РАСХОДОМЕР

Полезная модель относится к измерительной технике, предназначена для определения расхода среды при стабилизированном и нестабилизированном течениях в круглых трубопроводах. Расходомер включает в себя трубку, которая содержит три пары отверстий, размещенных на лобовой и кормовой частях трубки так, что осевая линия, проходящая через центры отверстий каждой пары, расположена нормально центральной оси трубки, причем каждая пара отверстий подключена соответственно к измерителю полного и статического давлений. Технический результат - повышение точности определения расхода теплоносителя. 2 ил.

Lichtwellenleitererfassungssystem

Ein Lichtwellenleitererfassungssystem (10) enthält ein in einem Strömungsweg (12) angeordnetes Gehäuse (14) und einen Lichtwellenleitersensor (16). Der Lichtwellenleitersensor (16) enthält einen in dem Gehäuse (14) befestigten Lichtwellenleiter (28), ein Bragg-Gitter (36), eine Lichtquelle (38) zur Weiterleitung von Licht zum Lichtwellenleiter (28) und einen Detektor (39) zum Detektieren des durch das Bragg-Gitter (36) des Lichtwellenleiters (28) gefilterten Lichts und zur Überwachung von Wellenlängenänderungen des detektierten Lichts. Der Lichtwellenleiter (28) ist im Wesentlichen rechtwinklig zum Strömungsweg (12) angeordnet. Das Gehäuse (14) weist eine Öffnung (20) auf einer stromaufwärts vorgesehenen Seite auf, um der entlang des Strömungswegs (12) fließenden Strömung das Ausüben eines Drucks auf den Lichtwellenleiter (28) zu ermöglichen und eine Verformung des Bragg-Gitters (36) zu verursachen.

Speed indicator for a liquid or gaseous medium

The invention serves for measuring the relative speed and other values, e.g. the flow direction between a pressure body (1) and a liquid or gaseous medium surrounding the latter. The rigid or slightly flexible pressure body (1) is firmly clamped in an anchorage (3). Arranged at at least one point is a clamping element (5, 8) whose measuring signals can be evaluated by a computer. The device can, e.g., be used as a log or anemometer. It has no mechanically moving parts and permits precise determination of various measured values. ...

Cloudbasiertes System zur Ermittlung der effektiven Windgeschwindigkeit für Elektrofahrzeuge

Verfahren zur Ermittlung einer effektiven Windgeschwindigkeit, der ein Fahrzeug während einer Fahrt ausgesetzt ist, anhand einer wirkenden Antriebsleistung. Die Antriebsleistung entspricht der Leistung zur Überwindung der notwendigen Fahrwiderstände, zu denen auch der Luftwiderstand gehört.

AUFTRIEBSKRAFT-STRÖMUNGSSENSOR ZUR MESSUNG VON FLUID-STRÖMUNGSGESCHWINDIGKEITEN

Verfahren und Vorrichtung zur Überprüfung des richtigen Funktionierens eines Fahrtmessers

Wind direction apparatus

WIND MEASUREMENT

FLOWMETERS

Convective accelerometer.

Convective accelerometer

PROCEDURE FOR THE ENTERPRISE OF AN AUTOMATED HOME DEVICE CONSISTING OF A WIND-SENSITIVE SCHUTZSCHIRM AND A HOME EXPENSIVE MECHANISM FOR ITS ENTERPRISE

FLOW MEASURING INSTRUMENT AND - PROCEDURES

WIND TURBULENCE METER

METHOD AND DEVICE FOR DETERMINING LOADS ON A WIND TURBINE TOWER

The invention relates to a method (100) for determining loads on a wind turbine tower. In a first step (110) of the method (100), bending moments in at least one rotor blade of the wind turbine are determined in order to provide a first variable, which identifies a first force acting on a nacelle of the wind turbine tower. In addition, in a second step (120) of the method (100), a nacelle deflection is determined order to provide a second variable which identifies a second force acting on the nacelle of the wind turbine tower. Furthermore, a third step (130) of the method (100) comprises entering the first variable and the second variable into a calculation model, which displays the behavior of the tower. A fourth step (140) of the method (100) comprises a determination of loads on the tower of the wind turbine by means of the calculation model.

APPARATUS AND METHOD FOR MEASURING VELOCITY PERTURBATIONS IN A FLUID

An apparatus for measuring velocity perturbation in a fluid includes one or more sensor vehicle adapted to be deployed in the fluid and a device that obtains position and acceleration data of each sensor vehicle. A physical model of the one or more sensor vehicle behaviour is used to transform the obtained data into a velocity field of the fluid, and output a map of the velocity field in the fluid. Sensor vehicles may be adapted to move passively through the fluid and/or to be transported by the fluid. The apparatus may be used in liquid and gaseous environments, and the velocity field map may be used to track movement of species and particulate matter of interest in the fluid in real time.

ACOUSTIC AIR DATA SENSING SYSTEMS WITH SKIN FRICTION SENSORS

An acoustic air data sensing system includes an acoustic transmitter, a plurality of acoustic receivers, and a skin friction sensor. The acoustic transmitter is located to transmit an acoustic signal into airflow about an exterior of a vehicle. Each of the acoustic receivers is located at a respective angle from a wind angle reference line and a respective distance from the acoustic transmitter. The skin fiction sensor is positioned in a boundary layer region of the airflow that interacts with the acoustic receivers and transmitter. Based on time of flight values of the acoustic signal from the transmitter to each of the receivers and a skin friction measurement from the skin friction sensor as inputs to a transformation matrix, the acoustic air data sensing system outputs, from the transformation matrix, the true airspeed, the relative wind angle, and the speed of sound for operational control of the vehicle.

Variometro di velocità per barche a vela da competizione

SPORT - TACHOMETER.

Device for measuring the speed of a moving vehicle and vehicle equipped with such a device.

L’invention concerne un dispositif (10) mécanique de mesure de vitesse relative d’un véhicule en mouvement par rapport à un milieu fluide, comportant des moyens de fixation à un tel véhicule pour son agencement dans une zone frontale dudit véhicule, dans le sens du déplacement dudit véhicule, et dans le milieu fluide dans lequel évolue ledit véhicule, caractérisé en ce que ledit dispositif mécanique est à géométrie variable, et agencé pour occuper, entre une position de repos repliée et une position extrême de service complètement déployée, au moins une position intermédiaire, et en ce que chaque position intermédiaire dudit dispositif est déterminée par les forces aérodynamiques (F) agissant sur différents tronçons successifs (11, 12) qu’il comporte et qui constituent ensemble au moins une aile attachée ou articulée auxdits moyens de fixation. L’invention concerne encore un véhicule équipé d’un tel dispositif.

System and method for determining airspeed

DISPOSITIF ANEMOMETRIQUE EMBARQUABLE A DETECTION

DISPOSITIF, FIGURE SCHEMATIQUEMENT PAR LA FIGURE 1, DESTINE A LA DETERMINATION DE L'ACTION RESULTANT DU MOUVEMENT RELATIF D'UN OBJET PAR RAPPORT AU MILIEU FLUIDE AMBIANT, COMPORTANT UN MOTEUR 2 QUI ENTRAINE UN ORGANE DETECTEUR 1 LEQUEL FOURNIT DES SIGNAUX A UN CALCULATEUR 3 QUI LES ANALYSE EN MODE SYNCHRONE ET ENVOIE A UN DISPOSITIF D'EXPLOITATION 4 L'INFORMATION CORRESPONDANT AUX PARAMETRES DIRECTION ET GRANDEUR DE L'ACTION EXERCEE. DISPOSITIF APPLICABLE A TOUT TYPE DE VEHICULE OU AUTRE MATERIEL POUR EN DETERMINER L'ETAT DE MOUVEMENT OU DE REPOS.

Speedometer

Apparatus warning signal of going beyond a speed limits on board a vehicle

ANEMOMETRE

APPAREIL A MESURER LA DIRECTION ET LA VITESSE D'UN FLUIDE, DONT LES MESURES SONT INSENSIBLES AUX CONTRAINTES DUES AUX VIBRATIONS, ACCELERATIONS, ETC. IL SE COMPOSE ESSENTIELLEMENT D'UNE SPHERE EXPOSEE AU FLUIDE ET FIXEE PAR UN TUBE A UN SOCLE. UNE TIGE SITUEE A L'INTERIEUR DU TUBE ET DE LA SPHERE, SANS POINT DE CONTACT AVEC CEUX-CI, EST EGALEMENT FIXEE SUR LE SOCLE. DES JAUGES DE CONTRAINTE, FIXEES A LA BASE DU TUBE ET DE LA TIGE, ENVOIENT LEURS SIGNAUX A UN POSTE A CALCUL, TENANT COMPTE DES DEPLACEMENTS RELATIFS DU TUBE ET DE LA TIGE. APPAREIL SPECIALEMENT COMPACT ET ROBUSTE, PARTICULIEREMENT ADAPTE, AUX SYSTEMES PORTATIFS OU FIXES SUR DES SUPPORTS TRES MOBILES.

DEVICE FOR MEASURING PARAMETERS OF FLIGHT WITH OPTICAL SENSORS CARRIED BY THE RADOME DEFORMATION OF AN AIRCRAFT

La présente invention concerne un dispositif de mesure d'au moins un paramètre de vol tel que la vitesse, l'angle de dérapage ou d'incidence ou tout autre paramètre en dépendant d'un aéronef (4) comprenant un radôme (8) et permettant d'offrir une alternative aux dispositifs de mesure de vitesse actuels. Le dispositif comprend à cet effet au moins une fibre (6) optique portée par le radôme (8) pourvue de systèmes permettant de mesurer la déformée de la paroi (10) due aux efforts exercés par l'air sur le radôme (8) et un calculateur (41) permettant de calculer à partir des mesures de déformée obtenues par la ou les dites fibres le ou lesdits paramètres de vol souhaités.

Ship velocity measuring system using dynamometer - detects resistance of body trailed in water behind ship and provides direct read=out in accordance with drag

Vibration and acceleration insensitive anemometer - has hollow sphere supported by hollow shaft and strain gauges protected from wind to sense inclination and acceleration

Road vehicle speed indicator - has spring loaded rod moved by air pressure to close alarm circuit

Process for the study of the currents

Ski stick with device to measure speed - has open transparent graduated tube with ball balanced by pressure in tube set up by air entering upper and lower orifices

FLOW METER PROVIDED WITH AN ORBITING SENSING ELEMENT

Log-sounder

METHOD FOR AIDING THE PILOTING OF AN AIRCRAFT, FOR ENSURING THE AVAILABILITY OF AN AUTOPILOT OR THRUST OF A GOVERNOR

Transducers and acoustic emitters for fiber-optic-based acoustic sensing

Mechanical acoustic actuators and methods for using these actuators to generate controlled acoustic signals to measure silent or quiet parameters are provided. One example method includes using fluid flows (whistle) and/or mechanical shocks between solids (bells) to stimulate the actuators, either proportionally from the parameter targeted for measurement or artificially modulated to create emitters. Some aspects provide for usage of the actuators within an oil and gas well or a fluid conduit, including in combination with arrays of acoustic sensors, to perform sonar array processing monitoring of acoustic wave propagation to derive properties of the media traversed.

FLUID FLOW MEASURING SENSOR

WIND TURBULENCE METERING

A weather vane is connected to a rotatable part by a one way in azimuth drive, such as a pawl and ratchet mechanism, and when the part has been moved angularly a specific number of degrees a signal is given and the time interval can be measured by a stop watch.

WAVE FORCE TRANSDUCER

A wave force transducer, including a shell mounted around a support column by a set of flexures which permit substantially only lateral movement of said shell and a set of hydraulic load cells spaced around said shell between said shell and support column which measure the total wave force acting upon said shell.

Drag force knotmeter

A drag force knotmeter for indicating the speed of a boat in water, especially in the range of 1-12 knots is a device attached to the boat by a flexible line and trails an elastomeric line attached to a drag. The drag is a rigid rod having an eye on one end and a circular disk on the other end. Said circular disk being attached to the rod by its center. The drag is heavier-than-water and is attached to the elastomeric line through its eye. System friction is minimized by maintaining an overall straight line configuration from the drag to the point of attachment to the boat. The elastomeric line isolates sudden surges on the drag from the indicator on the knotmeter.

Monitoring the structural health of columns

A method and apparatus for monitoring the structural health of a stock of columns such as lighting columns and/or columns within that stock each of which is connected to receive power from an external source or otherwise. The method comprises the steps of locating on an upper surface of each or a plurality of columns within the stock to be monitored a micro controller connected to receive power from the electrical source of the respective column. The micro controller includes an electronic chip or board which includes, in circuit, an accelerometer, a Wi-Fi/RF or 3G/4G component or the like and a global positioning system (GPS) component or the like. The micro controller is operable to detect and monitor the magnitude and direction of forces imposed on the respective column and the direction from which such forces are derived, and to transmit the received data to a remote server for analysis.

Miniature opto-mechanical anemometer

An opto-mechanical anemometer is particularly adapted to measure fluctuations in the flow of a turbulent fluid such as can be applied in the measurement of wind turbulence for meteorological purposes, the turbulent flow of fluid through a pipe or conduit, or the flow of air through a tube from the breath of a patient for medical diagnostics. An optical fiber is positioned in the flow path of the fluid and fixed motionless at one end. The free end is caused to bend in response to fluctuations in the flow. A beam of light is projected out the free end of the optical fiber toward a stationary optical detector placed in the path of the beam, which is sensitive to the point of maximum intensity of the beam of light. Deflection of the optical fiber translates into movement of the light beam over the detector, allowing measurement of the speed and direction of the fluid flow in two orthogonal planes.

VEHICLE CONTROLLER

The vehicle controller according to the present disclosure estimates disturbance acting on a vehicle, and performs driving assistance responsive to the disturbance. When reliability of the estimated disturbance is low, the vehicle controller lowers an assistance level of the driving assistance as compared with a case where the reliability is high. Thereby, it is possible to restrain the driving assistance responsive to the disturbance from causing a driver to feel uncomfortable. 1. A vehicle controller comprising: at least one memory coupled to the at least one processor, the at least one memory including at least one program that causes the at least one processor to execute:', 'first processing of estimating disturbance acting on a vehicle; and', 'second processing of performing driving assistance responsive to the disturbance,', 'wherein, when reliability of the disturbance estimated by the first processing is low, the at least one program causes the at least one processor to, in the second processing, lower assistance level of the driving assistance as compared with a case where the reliability is high., 'at least one processor; and'}2. The vehicle controller according to claim 1 ,wherein the at least one program causes the at least one processor to, in the first processing, estimate a lateral wind received by the vehicle,wherein the driving assistance includes lateral driving assistance acting on lateral motion of the vehicle and longitudinal driving assistance acting on longitudinal motion of the vehicle, andwherein, when reliability of the lateral wind estimated by the first processing is low, the at least one program causes the at least one processor to, in the second processing, lower an assistance level of the longitudinal driving assistance more than an assistance level of the lateral driving assistance as compared with a case where the reliability is high.3. The vehicle controller according to claim 1 ,wherein the at least one program causes the at least ...

Verfahren und Vorrichtung zur Bestimmung eines Geschwindigkeitsvektors eines in der Umgegebung eines Fluggeräts herrschenden Windes, und Fluggerät

Das erfindungsgemäße Verfahren zur Bestimmung eines Geschwindigkeitsvektors eines in der Umgebung eines Fluggeräts herrschenden Windes, umfasst ein Erfassen einer Globalposition des Fluggeräts, ein Ermitteln einer Differenz zwischen der erfassten Globalposition des Fluggeräts und einer vorbestimmten Sollposition, ein Berechnen von zumindest einer Flugsteuergröße basierend auf der ermittelten Differenz derart, dass die Globalposition des Fluggeräts mit der vorbestimmte Sollposition im Wesentlichen in Übereinstimmung gebracht wird, und ein Bestimmen des Geschwindigkeitsvektors eines in der Umgebung des Fluggeräts herrschenden Windes basierend auf der berechneten zumindest einen Flugsteuergröße. Dazu wird eine Steuerung des Fluggeräts derart durchgeführt, dass das Fluggerät mit einer vorbestimmten Winkelgeschwindigkeit um eine Hochachse des Fluggeräts rotiert. Der Geschwindigkeitsvektor des in der Umgebung des Fluggeräts herrschenden Windes wird basierend auf der während eines Rotierens um ...

Messumformer zur Umformung von Gas- bzw. Fluessigkeitsdruecken und/oder Stroemungsgeschwindigkeiten in elektrische Messgroessen

MULTIPLE SENSING DEVICE

Verfahren und Vorrichtung zum Messen von Strömungen.

STRÖMUNGSMESSEINRICHTUNG UND -VERFAHREN

Transducers for fiber-optic based acoustic sensing

Flow indicators for wind turbine blades

Means for indicating the speed and direction of the wind

... 1,003,006. Wind direction and force indicators. S. B. WILKS. March 12,1964 [May 21, 1963], No. 20117/63. Heading G1R. In a wind speed and direction indicator a circular mast 10 is universally pivotally mounted by a ball 11 on a board 12 and is attached to three equally spaced fluid filled flexible chambers 15 connected by pipes 19 to three equally spaced fluid filled flexible slave chambers 20 attached to the lower end of an indicator 25 universally pivotally mounted by a ball 24 in a bowl 23 provided with a spherical transparent dial e.g. calibrated with concentric circular rings 30 to indicate wind speed and surrounded by an annular disc 31 marked with compass points to indicate wind direction and the arrangement is such that as the wind force and direction moves the mast 10 the indicator is moved in harmony therewith to indicate the wind speed and direction on the dials 29, 31. In a modification, Fig. 3 (not shown) the indicator 25 is replaced by a bubble or a floating ball in a fluid ...

FLOWMETER

Monitoring the structural health of columns

Improvements in or relating to wind gauges

... 728,998. Wind gauges. SLETTENMABK, K. I. G. April 29, 1953 [April 30, 1952], No. 11854/53. Class 69 (1). A pressure-responsive wind gauge consists of a float 3 in a measuring tube 1 which is substantially vertical when in use, has an upwardly increasing cross-section, and is provided with a lower air inlet 4 and an upper air outlet 5 which are so relatively disposed that an air flow passing outside the gauge causes a difference in pressure between the inlet and the outlet. As shown, the float 3 is a thin light disc with a hub guided on a shaft 2, whilst the tube 1 is conical and made of transparent material which may carry a scale. The gauge may have a hollow transparent handle 6 containing readable matter.

SPEED MADE GOOD INDICATOR FOR YACHTS

... 1355185 Measuring speed of yachts electrically E M I Ltd 17 Sept 1971 [19 June 1970] 29762/70 Heading G1N Apparatus for measuring the speed of a yacht in the windward direction when the boat has to tack in order to proceed in that direction comprises a fluxgate 10 Fig. 3b mounted on the boat's compass card 8 which measures the angle # between the yacht and the wind, enabling the component of the boat's speed in that direction to be calculated. The compass card 8, carrying the fluxgate 10 aligned N-S, is initially adjusted correctly with respect to the compass 9 for the boat heading into the wind. The yacht, in accordance with a tacking manoeuvre, is then rotated through an angle #, and the ratio of the two fluxgate outputs is equal to cos #. The forward speed V. of the yacht is measured by a standard log (not shown) and the product Vs cos #, obtained by a Hall plate element or otherwise indicates on a meter the speed in the desired direction. A further fluxgate can be used to determine ...

Sensor system

Fluid flow measuring device, system and method

Flowmeter for waters

TRANSDUCER FOR FLOW RATE

PROCEDURE AND DEVICE FOR THE DETERMINATION OF THE FLOW RATE OF A FLUID WITH A PULSATING CURRENT.

Control method, master controller, system, and central controller for wind turbines

A start control method for wind turbines (102), comprising: a master control determines whether its real-time wind speed reaches a preset start wind speed when a wind speed of at least one wind turbine (102) or anemometer tower in a wind farm reaches or exceeds the preset start wind speed; the master controller updates a corresponding number simulative start times when determining that its real-time wind speed reaches or exceeds the preset start wind speed, and starts the wind turbine (102) when the number of simulative start times reaches a preset count value. The present invention also relates to a master controller, a system, and a central controller for wind turbines (102).

System and method for power transmission line monitoring

A transmission line monitoring system and central processing facility are used to determine the geometry, such as a height, of one or more conductors of a power transmission line and real-time monitoring of other properties of the conductors.

STRAIN GAUGE TRANSDUCER SYSTEM WITH FLEXIBLE DIAPHRAGM

SYSTEM AND METHOD FOR POWER TRANSMISSION LINE MONITORING

A transmission line monitoring system and central processing facility are used to determine the geometry, such as a height, of one or more conductors of a power transmission line and real-time monitoring of other properties of the conductors.

MEASURING ASSEMBLY ON A WIND TURBINE

The invention relates to a measuring arrangement of a wind power plant (100) having a tower (102) and an aerodynamic rotor (106) with at least one rotor blade (108), for sensing wind conditions, comprising at least a first and a second measuring device (120, 122) for arrangement at different heights on the tower (102), and wherein each measuring device is prepared so as to sense, at the respective height at which it is to be arranged, wind values for different horizontal directions, said values being representative of a wind pressure from the respective direction.

METHOD FOR ALIGNING A COMPONENT INTO A WIND DIRECTION AND SENSOR FOR DETERMINING MISALIGNMENT OF A COMPONENT RELATIVE TO A WIND DIRECTION

A method for aligning a component (2) into a wind direction (13) is disclosed. The component (2) comprises a sensor (7, 8, 9, 10, 11, 12, 23) which is located such that at least part of the sensor (7, 8, 9, 10, 11, 12, 23) is exposed to the wind. The method comprises the steps of measuring a sig-nal depending on the force acting on the sensor (7, 8, 9, 10, 11, 12, 23) due to the wind, and rotating the component (2) depending on the measured signal. Moreover a sensor (7, 8, 9, 10, 11, 12, 23) for determining misalignment of a component (2) relative to a wind direction (13) is described. The sen-sor (7, 8, 9, 10, 11, 12, 23) comprises at least one flat element (15, 15A, 15B, 16) and at least one tool or device (17) for measuring the force acting on the flat element (15, 15A, 15B, 16).

Device for measuring flight parameters with optical deformation sensors and corresponding measuring method

Speed controller of the wind

Static sensor for anemometer or ships log - senses direction and speed of fluid flow and employs strain gauges on blades deformed by cylinder assembly

Aerial and marine speed log recorder

Improvements with the logs of ships

PROCESS OF ORDERING Of a DEVICE HOUSE AUTOMATION INCLUDING/UNDERSTANDING a SCREEN SENSITIVE TO the WIND AND DEVICE HOUSE AUTOMATION FOR SA IMPLEMENTED

Cumulative wind potential energy recorder - has analytical pulse treatment of speed and direction information

DISPOSITIF DE MESURE DE LA VITESSE D'UN MOBILE EN DEPLACEMENT DANS UN LIQUIDE

LE DISPOSITIF COMPREND UN ELEMENT FIXE 1 DE DYNAMOMETRE POURVU DE MOYENS D'ATTACHE 3 AU MOBILE ET UN ELEMENT MOBILE 2 DE DYNAMOMETRE RELIE A UN CORPS PREVU POUR TRAINER DANS LE LIQUIDE, LES DEUX ELEMENTS ETANT MONTES MOBILES L'UN PAR RAPPORT A L'AUTRE, MAIS RELIES PAR DES MOYENS ELASTIQUES 7 TELS QU'ILS IMPOSENT UNE LOI DE VARIATION SENSIBLEMENT QUADRATIQUE ENTRE LA FORCE EXERCEE SUR L'ELEMENT MOBILE2 PAR LA RESISTANCE DUDIT CORPS AU DEPLACEMENT DANS LE LIQUIDE ET LE DEPLACEMENT DE CET ELEMENT PAR RAPPORT A L'ELEMENT FIXE 1. APPLICATION A LA MESURE DE VITESSE DES BATEAUX.

Dynamometric speedometer for boats

Multi-purpose indicator (speed, mileage, dagger-board angle, etc.), for sail boards and other craft

DEVICE OF VELOCITY MEASUREMENT AND/OR DIRECTION Of a FLOW FLUID ALONG a VEHICLE, AND PROCEEDED CORRESPONDING

Le dispositif de mesure d'une caractéristique représentative de la vitesse d'un écoulement fluide le long d'une surface d'un véhicule, le dispositif (3) comprend : - au moins une plaque mince (5) liée à la surface du véhicule, agencée de manière que l'écoulement fluide s'écoule le long et au contact d'une grande face de la plaque mince (5), de telle sorte que l'écoulement fluide influe les propriétés vibratoires de la plaque, en particulier ses fréquences de résonance (5); - un dispositif (7) d'excitation vibratoire et de mesure d'une fréquence de résonance de la plaque mince (5) mise en vibration ; et - un dispositif (9) de détermination de ladite caractéristique représentative de la vitesse de l'écoulement fluide en fonction de la fréquence de résonance mesurée.

Wind force sensor with threshold triggering

Capteur de la force du vent à déclenchement à seuil comprenant un corps tubulaire (1) d'axe vertical supportant une tige (4) d'axe vertical au repos, dont l'extrémité supérieure (5), extérieure au corps tubulaire (1), porte un organe (7) soumis à la force du vent, tandis que sa partie inférieure (6), située à l'intérieur du corps tubulaire (1), porte, au voisinage de son extrémité libre (11), un disque (12) reposant normalement sur une nervure annulaire (3) ménagée pour lui servir de siège à l'intérieur du corps tubulaire (1), un détecteur de présence (13) logé dans ce corps tubulaire (1) étant associé à l'extrémité inférieure libre (11) de la tige (4) précitée pour détecter tout déplacement de cette extrémité par suite du basculement de la tige (4).

Cable support system for extra-high voltage distribution line

ANEMOMETER

An anemometer comprises a rigid mount (10); a sensor plate (12) mounted for movement relative to the rigid mount (10), the sensor plate (12) having an outer surface which is substantially symmetrical about a first axis; a load sensor (17) to sense a wind load on the sensor plate (12); a deflector (15) having a tapered surface with an axis of symmetry substantially coaxial with the first axis (13), wherein, the deflector (15) is disposed adjacent the sensor plate (12) and aligned, and the tapered surface tapers inwardly towards the sensor plate (12), so that a wind stream in any direction in an incident plane perpendicular to the first axis (13) is deflected toward the sensor plate (12) and a proportion of the flow in the incident plane impinges on the sensor plate (12); and receiving and transmitting means configured to receive signals from the load sensor (17) and transmit an output signal indicative of wind speed.

SURFING PARAMETERS GAUGE AND TRANSFER APPARATUS

SURFING PARAMETERS GAUGE AND TRANSFER APPARATUS is a velocity, time and space covered by a surfboard measurement apparatus or any other similar solid body, comprising a multifunction module(2) enclosing a sensor adapted to pick up the surfboard displacement related to the water, transforming the data into electrical signals and send them to processing data unit. The multifunction module(2) comprising a housing(11) embedded in the surfboard(1) hull having inside a capsule(10) swiveling related to the housing; and capsule(10) having an external geometric sphere-shaped lobe(4) and a truncated cylinder stem radially connected to the sphere.

MINIATURE OPTO-MECHANICAL ANEMOMETER

An opto-mechanical anemometer (10) is particularly adapted to measure fluctuations in the flow (20) of a turbulent fluid such as can be applied in the measurement of wind turbulence for meteorological purposes, the turbulent flow of fluid through a pipe or conduit, or the flow of air through a tube from the breath of a patient for medical diagnostics. An optical fiber (40) is positioned in the flow path of the fluid and fixed motionless at one end (46). The free end (44) is caused to bend in response to fluctuations in the flow. A beam of light is projected out the free end of the optical fiber toward a stationary optical detector (70) placed in the path of the beam, which is sensitive to the point of maximum intensity of the beam of light. Deflection of the optical fiber translates into movement of the light beam over the detector, allowing measurement of the speed and direction of the fluid flow in two orthogonal planes.

LIFT FORCE FLUID FLOW SENSOR FOR MEASURING FLUID FLOW VELOCITIES

A fluid flow sensor (10) uses lift forces exerted on a plate-like airfoil member (14) to determine the velocity of a fluid flowing past the sensor (10). The member (14) has a pair of spaced, low aspect ratio airfoil elements (18, 20). A central portion of the airfoil member is coupled to a frame (12) that positions the airfoil member (14) in the fluid flow with an angle of attack with respect to the fluid flow direction. The flowing fluid generates velocity related lift forces on the airfoil member (14), the magnitude of which decrease along the airfoil member from the upstream end to the downstream end. The lift forces so applied deflect the upstream airfoil element to a greater extent than the downstream airfoil element. Strain gauges (32, 34, 36, 38) are coupled to the airfoil elements to detect their deflection. The strain gauges (32-38) are connected in a bridge configuration (50) to provide a signal indicative of fluid velocity.

Wind and water speed and direction measurement device

A device for measuring fluid flow, in particular, but not exclusively, wind and/or water speed and direction. The device includes magnetic measuring means having a core and first and second orthogonal windings arranged over the core, and deflector means adapted to be deflected in use by a fluid flow, the deflector means comprising a deflectable element resiliently connected to further magnetic field means, the deflector means being deflectably mounted with respect to the magnetic measurement means, which provides an output, the magnitude of which output corresponds to the magnitude of deflection of the deflector means, wherein the output is resolvable in two orthogonal axes such that a value for fluid flow direction can be determined.

UNDERWATER DETECTOR, INSTRUMENT AND METHOD FOR MEASURING VELOCITY AND DIRECTION OF GROUNDWATER

An underwater detector includes a sealed enclosure, inside an infrared sensor module is disposed. The module rotates around a spindle at a fixed angular velocity along a horizontal plane. An electronic compass disposed on the module. A bottom of the sealed enclosure connected to an indicator through a rotary shaft, and the indicator rotates around the rotary shaft on the horizontal plane. The indicator includes a head and tail fin. A light source emits a light beam vertically upwards on the tail fin. The module is configured to trigger, when receiving the light beam, the electronic compass records a real-time direction relative to the spindle, which is processed by a processor module to obtain a direction of the water flow. A spring connects between the head and tail fin. The infrared sensor module transmits a moment of receiving the light beam to the processor module to calculate the water flow. 1. An underwater detector , comprising:a sealed enclosure, inside which a spindle, an infrared sensor module, and a processor module are disposed, wherein the infrared sensor module is capable of rotating around the spindle at a fixed angular velocity along a horizontal plane; an electronic compass is disposed on the infrared sensor module; and a bottom of the sealed enclosure is connected to an indicator through a rotary shaft, and the indicator is capable of freely rotating around the rotary shaft on the horizontal plane under the action of a water flow;the indicator comprises a head and a tail fin, a light source configured to emit a light beam vertically upwards is disposed on the tail fin, and the light beam can be received by the infrared sensor module; the infrared sensor module is configured to trigger, when receiving the light beam, the electronic compass to work, and the electronic compass is configured to record a real-time direction thereof relative to the spindle, wherein the real-time direction is processed by the processor module to obtain a direction of the ...

OCEANIC NAVIGATION SYSTEM

The present invention relates to an oceanic navigation system, and more particularly to an oceanic navigation system including an oceanic navigation control apparatus which is interfaced with a GPS reception part and various sensing devices so as to check the problems of a vessel in real time, and a smart terminal for executing an oceanic navigation applet so as to display the state information and the navigation information provided by the oceanic navigation control apparatus on the display screen, thus improving the portability thereof.

Flow measuring unit for recording flow behaviour near base of flow, comprises hemispherical shell which is closed by baseplate and which contains weight enclosed by resin

A hemispherical shell (1) is closed by a baseplate (2) and contains a weight (4). A resin material (5) inside the shell encloses the weight. An Independent claim is also included for a manufacturing process for the flow measuring unit in which a hemispherical shell (1) is produced and positioned with the opening upwards. A weight (4) is then placed at the center of gravity and held in position while a synthetic resin (5), with or without a lightweight filler, is poured in to surround the weight. The shell is finally closed by a baseplate (2).

Wind velocity and direction indicator - has pivoted rod acting on bellows coupled to separate display unit

The indicator comprises a rod (15) supported by a mounting at one end which allows it to pivot in all directions within a plane. The rod (15) acts as a two-armed lever, one lever arm acted on by the wind and the other acting on three air-filled bellows (32) mutually offset by 120 degrees around the central axis of the rod (15). The bellows (32) are coupled to the pointer of a separate display instrument. The mounting of the rod (15) comprises a flexible annular cuff (14) with inner and outer clamp rings screwed together and to the housing (10) of the device. The part of the rod (15) within the housing (10) carries a counter-weight (18) and is centred by a spring (19), while that projecting from the housing (10) supports a hollow cylinder (17). The device is unaffected by interference and the working parts of the device itself. The separate display instrument can be fully encapsulated.(DS).

Fluid flow velocity and temperature measurement

A method is provided for monitoring velocity of a fluid flow through a predetermined fluid flow space. A fiber optic conductor includes a flow measurement portion defining an elongated dimension extending across a portion of the fluid flow space. The fluid flow in the fluid flow space causes the measurement portion of the fiber optic conductor to flex in a direction transverse to the elongated dimension. Optical radiation is supplied to the fiber optic conductor, and optical radiation is received from the fiber optic conductor after the supplied optical radiation has passed through the measurement portion. The received optical radiation is analyzed to effect a determination of a flow velocity of the fluid flow.

Anemometer Detecting Thermal Time Constant of Sensor

An anemometer and method for analyzing fluid flow is described. In one embodiment, a transistor sensor is heated by applying power to cause its base-emitter junction to rise from an ambient first temperature to a second temperature. The power is removed, and the Vbe is measured at intervals as the junction cools. The Vbe equates to a temperature of the junction. The temperature exponentially decreases, and the time constant of the decay corresponds to the fluid flow velocity. A best fit curve analysis is performed on the temperature decay curve, and the time constant of the exponential decay is derived by a data processor. A transfer function correlates the time constant to the fluid flow velocity. The transistor is thermally coupled to a metal rod heat sink extending from the package, and the characteristics of the rod are controlled to adjust the performance of the anemometer.

ELECTRO-ACTIVE MICROELECTROMECHANICAL DEVICE AND CORRESPONDING DETECTION PROCESS

An electroactive microelectromechanical device of the Artificial Hair Cell type includes a moving cilium structure having a substrate and a cantilever, partly or entirely in piezoelectric material, subject to bending or deformation following the action of a force and/or an applied voltage. The cantilever includes a multilayer inducing a stress-driven geometry in which a portion of the cantilever lies outside of a plane defined by the substrate. According to the invention, the cantilever is associated to a piezoresistive element, in particular of piezoresistive material configured to measure the bending or deformation of the cantilever. 1. Electroactive microelectromechanical device of the Artificial Hair Cell type , comprising:a moving cilium structure including a substrate and a cantilever, partly or entirely in piezoelectric material, subject to bending or deformation in response to an action of a force and/or an applied voltage,said cantilever including a multilayer inducing a stress-driven geometry in which a portion of said cantilever lies outside of a plane defined by the substrate, said cantilever associated to a piezoresistive element of piezoresistive material, configured to measure the bending or deformation of said cantilever.2. The device according to claim 1 , wherein said piezoresistive element includes a piezoresistive layer comprising a portion shaped to operate as a strain gauge device.3. The device according to claim 1 , wherein said cantilever includes:a piezoelectric layer in a sandwich structure of contact metal layers suitable to operate as electrodes to apply a voltage to said piezoelectric layer, andan insulation layer laying upon an upper layer of said contact layers, and in thatsaid piezoresistive layer located on said cantilever in a region subject to bending or deformation.4. The device according to claim 1 , wherein said piezoresistive element is included in a Wheatstone bridge structure of piezoresistive elements adapted to compensate ...

METHOD AND SYSTEM FOR DETERMINING AN ESTIMATION OF AN ANEMOMETRIC PARAMETER IN AN AIRCRAFT

A method and system for determining an estimation of an anemometric parameter of an aircraft. The anemometric parameter including an angle of attack, a sideslip angle and a calibrated airspeed. The method including obtaining an indication of a secondary surface state of the aircraft; obtaining a position indication of a horizontal primary surface; obtaining a load applied estimation on a corresponding actuator using the position indication of the horizontal primary surface and the position of the corresponding actuator; accessing a lookup table with the indication of the secondary surface state of the aircraft, the load estimation applied on the corresponding actuator, and the position of the corresponding actuator; obtaining an estimation of the anemometric parameter associated with the horizontal primary surface; providing the estimation of the anemometric parameter associated with the horizontal primary surface and wherein the lookup table is generated during a learning phase. 1. A method for determining an estimation of an anemometric parameter of an aircraft , the anemometric parameter selected from a group comprising at least one of an angle of attack , a sideslip angle and a calibrated airspeed , the method comprising:obtaining an indication of a state of at least one secondary surface of the aircraft;obtaining an indication of a position of a horizontal primary surface;obtaining an estimation of the load applied on a corresponding actuator used for actuating the horizontal primary surface of the aircraft using at least the indication of the position of the horizontal primary surface and the position of the corresponding actuator;accessing at least one lookup table with the indication of the state of the at least one secondary surface of the aircraft, the estimation of the load applied on the corresponding actuator used for actuating the horizontal primary surface of the aircraft, and the position of the corresponding actuator;obtaining a corresponding ...

Flow sensor devices and systems

A flow rate assembly can include a fluid flow interface portion having a front facing wall and a back facing wall. The flow interface portion can include an inlet passage within the fluid flow interface portion, an outlet passage within the fluid flow interface portion, at least one inlet aperture extending through the front facing wall of the fluid flow interface portion into the inlet passage, and at least one outlet aperture extending through the back facing wall of the fluid flow interface portion into the outlet passage. In some cases, the fluid flow interface portion includes a plug forming at least a portion of the inlet passage.

SYSTEM FOR MONITORING WIND INFLUENCES ON A WORKING MACHINE

The invention relates to a system for monitoring wind influences on a working machine, in particular a mobile crane or crawler crane, comprising at least one detection unit that is arranged on the working machine and by means of which a current wind speed can be detected, a recording unit that is configured to receive, to store, and to transmit data of the detection unit during and outside the operation of the working machine, a controller of the working machine that is configured to determine a current working machine state, an external processing unit that is configured to directly or indirectly receive and process data from the detection unit relating to an current wind speed and data from the controller, and an output device that is configured to receive data from the external processing unit. The controller and/or the external processing unit is/are configured here to determine a limit value for a wind speed in dependence on the current working machine state. The output device is further configured to output a warning on a reaching and/or exceeding and/or impending reaching of the limit value by the current wind speed. The invention further relates to a working machine having components of the system in accordance with the invention. 11. A system for monitoring wind influences on a working machine () , in particular a mobile crane or crawler crane , comprising:{'b': 10', '1, 'at least one detection unit () that is arranged on the working machine () and by means of which a current wind speed can be detected;'}{'b': 12', '10', '1, 'a recording unit () that is adapted to receive, to store, and to transmit data of the at least one detection unit () during and outside the operation of the working machine ();'}{'b': 14', '1, 'a controller () of the working machine () that is configured to determine a current working machine state;'}{'b': 16', '10', '14, 'an external processing unit () that is configured to receive and to process data from the detection unit () ...

DEVICE FOR MEASURING WATER CONTENT

Embodiments concern a high-precision, measurement device operative to measure the water content in media and/or water transport rate by media with high precision and with high dynamic range concerning the flow rate value. Based on a molecular transducer principle, captured water reacts with a reactant characterized by its ability to generate gas as a reaction product. By using an electro-chemical transducing element, an electric signal is generated in accordance with a stoichiometric volume of gas produced and water transferred, which is related to the flow rate of the circulating aqueous solution. 1. A measuring device for measuring water content in a media , comprising:a reactor comprising a reactant gas donor, wherein the reactor is configured to liberate a hydrogen stream having a stoichiometric equivalent to water in the media, the reactant gas donor having an ability to liberate hydrogen gas upon reaction with water; anda transducing element configured to transduce the hydrogen stream into an electrical signal,{'b': '6', 'wherein the reactor is configured such that the reactant gas donor () can be continuously subjected to flow of water-containing media.'}2. The measuring device of claim 1 , further comprising circuitry that is configured to determine a value related to a characteristic of water fluid in accordance with the electrical signal; and an output device configured to output the quantity of the water fluid.3. The measuring device of claim 1 , wherein the water fluid is implemented as liquid claim 1 , gas claim 1 , and/or vapor.4. The measuring device of claim 1 , wherein the reactant gas donor is implemented as metallic or non-metallic hydride.5. The measuring device of claim 4 , wherein the metallic hydride is selected from the group consisting of MgH2 claim 4 , NaAlH4 claim 4 , LiAlH4 claim 4 , LiH claim 4 , LiBH2 claim 4 , and LiBH4.6. The measuring device of claim 5 , wherein the metallic hydride is implemented as CaH2.7. The measuring device of ...

FLOATING DUAL ANEMOMETER - MAST AND DOPPLER

A device of a dual floating anemometer comprised of a mast, support arms for instruments, purlins, a central buoy, connecting beams, the edge floaters, the buoy hoop, the buoy—anchorage connector, anchorage hoop, anchorage, wind measuring instruments A, the connector beam of the anemometer base B, the wind instrument base B wind measuring instruments B, the anchorages of the edge floaters, the connections of the anchorages of the edge floaters with the edge floaters and the connector hoops of the anchorages with the edge floaters, which can be placed in shallow or big water depths and can simultaneously measure the characteristic wind parameters using both common anemometers and Doppler anemometers, so that the measurements of the wind potential (velocity, direction, turbulence) are extended to a higher altitude than the altitude of the mast which bears the cup anemometers, because of the combinatorial action.

SYSTEMS AND METHODS FOR AIRSPEED ESTIMATION USING ACTUATION SIGNALS

Systems and methods for airspeed estimation using actuation signals are provided. In one embodiment, an on-board avionics airspeed estimation system is provided. The system comprises: a flight control surface for an aircraft; a control surface actuator coupled to the flight control surface, wherein the control surface actuator receives an actuator control output signal from an actuator control system and drives the flight control surface into a position based on the actuator control output signal; a wind estimator coupled to a plurality of aircraft sensors, wherein the plurality of aircraft sensors output a set of aircraft measurements to the wind estimator and wherein the actuator control output signal is further provided to the wind estimator; wherein the wind estimator calculates a wind speed estimate by applying the actuator control output and the set of aircraft measurements to an onboard aircraft model. 1. An on-board avionics airspeed estimation system , the system comprising:a flight control surface for an aircraft;a control surface actuator coupled to the flight control surface, wherein the control surface actuator receives an actuator control output signal from an actuator control system and drives the flight control surface into a position based on the actuator control output signal; anda wind estimator coupled to a plurality of aircraft sensors, wherein the plurality of aircraft sensors output a set of aircraft measurements to the wind estimator and wherein the actuator control output signal is further provided to the wind estimator;wherein the wind estimator calculates a wind speed estimate by applying the actuator control output and the set of aircraft measurements to an onboard aircraft model.2. The system of claim 1 , further comprising a primary flight control system claim 1 , wherein the actuator control system transmits the actuator control output to the control surface actuator claim 1 , and wherein the actuator control output drives the flight ...

METHOD FOR CALCULATING TRUE WIND DIRECTION AND TRUE WIND SPEED BY ADJUSTING MEASURED VALUES OF ANEMOMETER MOUNTED ON MOVING BODY BASED ON OBSERVATION ERRORS CAUSED BY DEGREE OF SLANT OF MOVING BODY AND DEVICE USING THE SAME

A method for calculating a true wind direction and a true wind speed by adjusting measured values of an anemometer mounted on a vehicle based on observation errors caused by a degree of slant of the vehicle and a device using the same are provided. The method includes steps of: (I) acquiring a Gt, which is information on the degree of slant corresponding to a current time t, from an electronic compass module, and (II) acquiring a Wmt which is information on a measured wind measured by the anemometer at the current time t, to acquire a Wmt′, which is information on a measured corrected wind in a space after a first error correction on the Wmt by referring to the Gt, to thereby calculate a first true wind direction and a first true wind speed. 1. A method for calculating a true wind direction and a true wind speed by adjusting measured values of an anemometer mounted on a vehicle based on observation errors caused by a degree of slant of the vehicle , comprising steps of:(a) a true wind direction and true wind speed calculating device on which an electronic compass module is mounted, wherein the electronic compass module is dependent on a degree of horizontality of the anemometer, and wherein the degree of horizontality is changed according to the degree of slant of the vehicle, performing a process of (I) acquiring a Gt, which is information on the degree of slant corresponding to a current time t, from the electronic compass module, wherein the Gt includes: (i) information on an angle θXt which is an angle of a Zt-axis being rotated from a Z-axis toward an X-axis and (ii) information on an angle θYt which is an angle of the Zt-axis being rotated from the Z-axis toward a Y-axis, wherein the Z-axis is an axis along which gravity acts on the vehicle, wherein the X-axis and the Y-axis included in an XY plane are respectively related to a first direction and a second direction, the XY plane containing current coordinates of a predetermined reference point of the vehicle, ...

ADAPTIVE GUIDED WIND SONDE

An adaptive guided wind sonde (AGWS) includes a main body defining a longitudinal axis including a nose end and a tail end including a body that has main wings attached. Secondary wings are on the nose end. A measurement and control system inside the body includes a Global Positioning System (GPS) for providing position and velocity, and an Inertial Measurement Unit (IMU) is for providing inertial measurements. A wing driver is for adjusting a position of at least one of the secondary wings or control surfaces when included on the main wings. A Meteorological Sensor Suite (MSS) is for providing environmental data. An adaptive controller receives data including the position, the velocity, the inertial measurements, and the environmental data for generating wind calculations including a wind speed and a wind direction, and for providing autopilot for the AGWS. Wireless communications is for wirelessly transmitting the wind calculations. 1. An adaptive guided wind sonde (AGWS) , comprising:a main body defining a longitudinal axis including a nose end including a nose and a tail end comprising a body connected to the nose end by a spine;main wings on the tail end attached to the body;secondary wings on the nose end extending out from the nose end for providing active stabilization during freefall and glide, anda measurement and control system inside the body including a Global Positioning System (GPS) for providing a position and a velocity and an Inertial Measurement Unit (IMU) for providing inertial measurements;a wing driver for adjusting at least one of a position of the secondary wings or the main wings when including control surfaces;a Meteorological Sensor Suite (MSS) for providing environmental data;an adaptive controller including a processor coupled to receive data including the position, the velocity, the inertial measurements, and the environmental data for generating wind calculations including a wind speed, and a wind direction at various locations along a ...

Nose simulator with multisampling modes for airstream evaluation

A nasal simulator includes a three-dimensional (3D) printed nasal cavity within based on diagnostic imagery of a human nasal cavity. The nasal simulator comprising a fan system positioned to mimic air flow through the human nasal cavity. A first probe access bore is formed through the 3D printed nasal cavity to a first location having a first internal contour. An anemometer insert having an outer diameter sized to be slidingly received in and to pneumatically seal the first probe access bore, the anemometer insert having a distal contour that aligns with the first internal contour of the 3D printed nasal cavity, the anemometer insert having a longitudinal bore that is sized to receive a probe of an anemometer to detect characteristics of the air flow through the 3D cavity. 1. A nasal simulator comprising:a three-dimensional (3D) printed nasal cavity within based on diagnostic imagery of a human nasal cavity;a fan system positioned to mimic air flow through the human nasal cavity;a first probe access bore formed through the 3D printed nasal cavity to a first location having a first internal contour; andan anemometer insert having an outer diameter sized to be slidingly received in and to pneumatically seal the first probe access bore, the anemometer insert having a distal contour that aligns with the first internal contour of the 3D printed nasal cavity, the anemometer insert having a longitudinal bore that is sized to receive a probe of an anemometer to detect characteristics of the air flow through the 3D cavity.2. The nasal simulator of claim 1 , wherein the first probe access bore and the anemometer insert comprise a teeth and groove lock.3. The nasal simulator of claim 1 , further comprising:a second probe access bore formed through the 3D printed nasal cavity to a second location; anda resting insert having an outer diameter sized to be slidingly received in and to pneumatically seal the second probe access bore, and the resting insert having a distal contour ...

VEHICLE DOOR ASSIST SYSTEM BASED ON LOCATION AND CONDITIONS

A system to control an automatic vehicle door is disclosed. The system comprises an actuator, a sensor, and a controller. The actuator is configured to control a position of the door about a hinge assembly. The sensor is operable to measure a characteristic of a location of the vehicle, and the controller is configured to control the actuator to limit motion of the door based on the characteristic. 1. A door assist system for a vehicle comprising:an actuator configured to control a position of the door about a hinge assembly;a wind sensor operable to measure a wind speed of an environment of the vehicle; and detect the wind speed exceeding a speed threshold; and', 'control the actuator to limit motion of the door to a predetermined rate in response to the wind speed exceeding the speed threshold., 'a controller configured to2. (canceled)3. The system according to claim 1 , further comprising an incline sensor configured to measure an angle of an orientation of the vehicle.4. The system according to claim 3 , wherein the incline sensor corresponds to at least one of an accelerometer or a gyroscope.5. The system according to claim 1 , wherein the wind sensor corresponds to an anemometer configured to generate a wind speed signal.6. The system according to claim 5 , wherein the controller is configured to control the actuator to prevent an uncontrolled movement of the door in response to the wind speed signal.7. The system according to claim 5 , wherein the anemometer corresponds to at least one of a velocity anemometer or a pressure anemometer.8. The system according to claim 5 , wherein the anemometer is disposed on an exterior portion of the vehicle and configured to detect a direction and speed of wind proximate the vehicle.9. (canceled)10. A door assist system for a vehicle comprising:an actuator configured to control a position of the door about a hinge assembly;an incline sensor operable to measure an angular orientation of the vehicle relative to gravity; anda ...

MECHANICAL STRAIN-BASED WEATHER SENSOR

Weather sensors and particularly collect weather data by measuring bending and compression stresses in a weather sensor device. The sensors are based upon the principle of bending stresses and the linear variation of stress between the maximum and minimum point. The sensors model deformation of a hollow shaft or rod. The sensors encompass measuring compression, bending, and/or torsional stresses on other cross-sectional shapes using the appropriate relationship for the particular cross-section that finds use in the technology. 146-. (canceled)47. A weather-sensing apparatus comprising:a) a drag-generating component; andb) two or more strain sensors,wherein a force applied to the drag-generating component produces a strain detected by the two or more strain sensors.48. The weather-sensing apparatus of further comprising a shaft attached to the drag-generating component.49. The weather-sensing apparatus of wherein the shaft is attached to the two or more strain sensors.50. The weather-sensing apparatus of wherein the two or more strain sensors are attached to a grounded fixture.51. The weather-sensing apparatus of consisting of 3 or 4 strain sensors.52. The weather-sensing apparatus of consisting of 4 strain sensors placed at 90° intervals relative to one another or 3 strain sensors placed at 120° intervals relative to one another.53. The weather-sensing apparatus of wherein the two or more strain sensors are connected electrically by a Wheatstone bridge.54. The weather-sensing apparatus of comprising:a) a first strain sensor and a second strain sensor arranged opposite each other and connected electrically in a first Wheatstone bridge; andb) a third strain sensor and a fourth strain sensor arranged opposite each other and connected electrically in a second Wheatstone bridge.55. The weather-sensing apparatus of wherein one or more of the strain sensors is a load cell.56. The weather-sensing apparatus of wherein the load cell comprises four strain gages electrically ...

ANEMOMETER DETECTING THERMAL TIME CONSTANT OF SENSOR

An anemometer and method for analyzing fluid flow is described. In one embodiment, a transistor sensor is heated by applying power to cause its base-emitter junction to rise from an ambient first temperature to a second temperature. The power is removed, and the Vbe is measured at intervals as the junction cools. The Vbe equates to a temperature of the junction. The temperature exponentially decreases, and the time constant of the decay corresponds to the fluid flow velocity. A best fit curve analysis is performed on the temperature decay curve, and the time constant of the exponential decay is derived by a data processor. A transfer function correlates the time constant to the fluid flow velocity. The transistor is thermally coupled to a metal rod heat sink extending from the package, and the characteristics of the rod are controlled to adjust the performance of the anemometer. 1. A method of manufacturing an anemometer used for determining a fluid flow comprising:providing a temperature sensor having electrical characteristics that vary with temperature, the sensor being thermally coupled to a metal base; and calculating the mass of the rod needed to achieve a desired reaction of the thermal sensor to transients in the fluid flow, wherein different masses of the rod vary the reaction of the thermal sensor to transients in the fluid flow;', 'manufacturing the rod to have the calculated mass; and', 'attaching the rod to the metal base so that the entire rod is within the fluid flow to be measured and the rod is heated when the sensor is heated., 'providing a metal rod having one end configured for attachment to the base, the entire rod having a selectable mass, wherein providing the rod comprises2. The method of wherein the rod has a fixed cross-section and a selectable length dimension claim 1 , wherein the length dimension is selected to select the mass of the rod claim 1 , and wherein the length dimension is substantially normal to a primary direction of the ...

Apparatus and Method for Monitoring Liquid and Gas Flow through a Flow Meter

A system and related method for precisely monitoring fluid or gas flows, comprising: a flow meter comprising a mechanical metering component; the mechanical metering component comprising a ferrous material; a three-axis magnetic field sensor for sensing fluctuations of a magnetic field arising from movements of the ferrous material, and specifically, for sensing a magnetic field vector of the magnetic field; computer processing for receiving data from the magnetic field sensor and storing magnetic field behavior data representing time behavior of the magnetic field vector in three space dimensions; calibration programming for analyzing and learning a magnetic signature of the meter; programming for storing a unique calibration pattern of the magnetic signature representing baseline behaviors thereof; and comparison programming for comparing behaviors of the magnetic field during operation with the calibrated baseline behaviors and thereby deducing flows which are occurring during operation as a function of time under various conditions.

IDENTIFYING PHYSICAL LOCATIONS OF DEVICES WITHIN AN ELECTRONIC SYSTEM

A system comprises a plurality of fans, wherein each of the fans is configurable to run at a unique fan speed that is different from fan speeds of other fans from the plurality of fans. A plurality of variable-positioned devices, capable of being positioned at various locations within the system, are physically positioned such that airflow from one of the plurality of fans strikes a particular variable-positioned device. A plurality of anemometers, each of which is connected to a particular variable-positioned device, measure airflow across the variable-positioned devices. A system controller, which contains location information that identifies a physical position within the system of each of the plurality of fans, utilizes airflow readings from each of the anemometers to identify a physical location of each of the plurality of variable-positioned devices by matching physical locations of the fans to measured airflow across the variable-positioned devices. 1. A system comprising:a plurality of fans, wherein each of the fans is configurable to run at a unique fan speed that is different from fan speeds of other fans from the plurality of fans;a plurality of variable-positioned devices, wherein the plurality of variable-positioned devices are capable of being positioned at various locations within the system, and wherein each of the plurality of variable-positioned devices is physically positioned such that airflow from one of the plurality of fans strikes a particular variable-positioned device;a plurality of anemometers, wherein each of the anemometers is connected to a particular variable-positioned device, from the plurality of variable-positioned devices, for measuring airflow across the particular variable-positioned device, and wherein the anemometers are capable of transmitting airflow readings that describe the airflow across each of the multiple variable-positioned devices; anda system controller, wherein the system controller contains location information ...

Whisker sensor device, method or manufacturing the same, and computer method, system and software for the same

A sensor device for measuring a flow of a fluid. The sensor device can have a support structure and a sensing structure. The support structure can have an elongated shape; can be flexible; can comprise steel, tungsten, carbon nanomaterial, polymer or plastic; can have multiple sides with sensing structures on each side; and can have a rectangular or square cross-section. A plurality of the sensor devices can be adapted for use on a surface of a vehicle or a microelectronic device. A plurality of sensing structures can be provided in any suitable configuration on the support structure. The sensor device can have any suitable shape, preferably similar to a flexible whisker. The sensing structure can be formed using a semiconductor etching method. Also, a method for manufacturing the sensor device and a computer method, system and software related to the sensor device are described.

Rotorcraft flight parameter estimation

An aircraft is provided and includes an airframe. The airframe includes first and second rotor apparatuses at upper and tail portions of the aircraft, respectively, to provide for control and navigational drive. The aircraft further includes a stabilizer component disposed at the tail portion in a position displaced from downwash of the first and second rotor apparatuses at airspeed ranges and a control system configured to apply a dither actuation signal to the stabilizer component at the airspeed ranges by which an aircraft response to a stabilizer component input is measurable for airspeed estimation purposes.

FLIGHT COMPUTER SYSTEMS & METHODS TO DETERMINE AIRSPEED

According to one implementation of the present disclosure, a method for determining airspeed for an unpowered vehicle is disclosed. The method includes: during flight, determining, by an accelerometer disposed on the unpowered vehicle, first and second accelerometer outputs, where the first and second accelerometer outputs correspond to respective first and second body-fixed load factor measurements; determining an angle-of-attack parameter; determining a body Z-force coefficient based on the angle-of-attack parameter; and determining an airspeed value based on the second body-fixed load factor measurement and the second body-fixed coefficient. 1. A method to determine airspeed of an unpowered vehicle , comprising:during flight, determining, by an accelerometer disposed on the unpowered vehicle, first and second accelerometer outputs, wherein the first and second accelerometer outputs correspond to respective first and second body-fixed load factor measurements;determining an angle-of-attack parameter;determining a body Z-force coefficient based on the angle-of-attack parameter; anddetermining an airspeed value based on the second body-fixed load factor measurement and the second body-fixed coefficient.2. The method of claim 1 , further comprising claim 1 , in response to determining the airspeed value claim 1 , at least one of:generating, at least partially by a flight computer system, a flight profile of the unpowered vehicle; andadjusting, at least partially by the flight computer system, an airspeed setting of the unpowered vehicle based on the airspeed value.3. The method of claim 1 , wherein the angle-of-attack parameter is determined based on one of direct measurement or computation claim 1 , wherein determining the angle-of-attack parameter by computation comprises:determining a monotonic portion of a look-up curve of an angle-of-attack operating plot;determining an operating point on the monotonic portion by applying a quotient of the first and second ...

Trolling motor with wind sensor

A wind sensor, such as a sonic anemometer, may be utilized to cause a trolling motor to activate to propel a watercraft toward a virtual anchor location, route, or destination, in response to detection of an occurrence or wind. In some instances, the trolling motor may be steered to a direction opposite a wind direction when activated. The trolling motor may also be oriented to a corrective direction based on a comparison of a current location to the virtual anchor location, route, or destination. Propelling the watercraft may also include determining a propulsion correction based on wind speed, wind direction, and/or watercraft characteristics. Depending on the configuration, the wind sensor may be integrated into the housing of the trolling motor.

Bearing Assembly for an Anemometer

A bearing assembly for an anemometer configured to provide thrust and axial load protection and reduce exposure to potentially degradative debris and/or contaminants. The bearing assembly includes a first shaft and a second shaft and bearings, wherein the bearings are configured to rotate about at least the first shaft while enclosed within a portion of the second shaft. The second shaft is configured to isolate the bearings from any air flow through the anemometer and debris and/or contaminants carried therewith. The bearing assembly further includes a damping member configured to reduce forces imparted upon the bearings, thereby providing protection and preventing premature damage to the bearings from loads. 1. A anemometer comprising:a bearing assembly;a first shaft having a first end defining a cavity within, wherein a portion of said bearing assembly is positioned within and enclosed by said cavity; anda second shaft having a first end coupled to a portion of said bearing assembly and positioned within said cavity of said first end of said first shaft and a flange portion configured to support said bearing assembly and said first shaft thereon, wherein said first shaft is configured to rotate about said second shaft.2. The anemometer of claim 1 , wherein said bearing assembly comprises a first bearing and a second bearing positioned within said cavity of said first shaft claim 1 , said first and second bearings having inner races coupled to a portion of said first end of said second shaft and outer races coupled to an interior surface of said cavity of said first shaft.3. The anemometer of claim 2 , wherein said cavity of said first shaft encapsulates said first and second bearings and provides a generally closed environment.4. The anemometer of claim 2 , wherein said bearing assembly further comprises a retaining element positioned adjacent to a flange portion defined at a periphery of said cavity of said first shaft claim 2 , said retaining element configured ...

Equipment control based on environmental monitoring system

The techniques described herein may provide for more efficient power management of equipment based on weather conditions. For instance, weather measurements (e.g., or weather forecasts based on weather measurements) may be used to determine whether or not to initiate a power disconnect procedure. When some weather condition (e.g., wind, temperature, rain, humidity, etc.) exceeds a threshold, a power disconnect procedure may be initiated such that a power source of certain equipment may be disconnected from a power distribution system. In some examples, an environmental monitor may send environmental measurements or conditions to a programmable processor. In instances where the programmable processor determines that some environmental threshold or condition has been met, the programmable processor may send a disconnect signal (e.g., a disconnect power signal) to a power disconnect device. The power disconnect device may thus disconnect the power distribution system from the power source.

APPARATUSES, SYSTEMS, AND METHODS FOR GAS FLUX MEASUREMENTS WITH MOBILE PLATFORMS

Apparatuses, systems, and methods for open path laser spectroscopy with mobile platforms. An example system may include a first mobile platform and a second mobile platform, each of which supports a payload. A light beam directed from one payload to another may define a measurement path, which may be at a particular height above the ground. The payloads may determine a gas concentration along the measurement path. Wind information at the measurement height may be used to determine a gas flux. One or both of the mobile platforms may then move to a new location, and take a measurement along a new measurement path. By combining the measurement paths, gas flux through a flux surface may be determined. 1. A system comprising:a first drone configured to follow a first motion path;a second drone configured to follow a second motion path;a laser configured to produce a transmitted laser beam directed from the first drone toward the second drone, wherein the transmitted laser beam is used to perform a gas measurement;a receiver configured to receive at least a portion of the transmitted laser beam that is used to perform the gas measurement;a wind measurement device configured to produce wind data; anda processor configured to calculate a gas flux based at least in part on the gas measurement and the wind data.2. The system of claim 1 , wherein the second drone houses the receiver.3. The system of claim 1 , wherein the second drone is equipped with a reflector configured to reflect the transmitted laser beam back to the first drone claim 1 , and the first drone is equipped with the receiver configured to receive the transmitted laser beam.4. The system of claim 1 , wherein the wind measurement device is mounted on one of the first drone or the second drone.5. The system of claim 1 , wherein the wind measurement device is configured to produce the wind data based claim 1 , at least in part claim 1 , on attitude information of the first drone or the second drone.6. The system ...

COMPOUND SAMPLING SYSTEM AND METHOD FOR SAMPLING A COMPOUND USING SAME

A compound sampling system has a guiding assembly extending along a sampling path and a shuttle unit having a displacement mechanism engageable to the guiding assembly and configured to displace the shuttle unit onto the guiding assembly. The shuttle unit also includes at least one sampling component configured to monitor a gaseous substance and collect sampling data relative to the compound in the gaseous substance. The sampling system further includes a control system in communication with the shuttle unit. The control system includes a controller communicably coupled to the displacement mechanism and controlling the displacement of the shuttle unit along the sampling path. A method of sampling a compound uses the sampling system. 1. A compound sampling system comprising:a guiding assembly extending along a sampling path;a shuttle unit having a displacement mechanism engageable to the guiding assembly and configured to displace the shuttle unit onto the guiding assembly and at least one sampling component configured to monitor a gaseous substance and collect sampling data relative to the compound in the gaseous substance; anda control system in communication with the shuttle unit, the control system including a controller communicably coupled to the displacement mechanism and controlling the displacement of the shuttle unit along the sampling path.2. The compound sampling system of claim 1 , wherein the shuttle unit and the control system each comprise at least one transceiver configured to transmit the sampling data from the at least one sampling component to the control system.3. The compound sampling system of claim 2 , wherein the controller is configured to transmit control signals to the at least one sampling component claim 2 , via the transceivers claim 2 , to adjust at least one sampling parameter of the at least one sampling component.4. The compound sampling system of claim 1 , wherein the at least one sampling component comprises at least one of a ...

Installation and Method for Detecting and Locating a Leak in a Fluid Transport Circuit, Notably of an Aircraft

The invention relates to an installation () for detecting and locating a leak in at least one fluid transport circuit (Ps, Pt), notably an anemometer circuit of an aircraft, having a leak test apparatus () including means () for detecting a leak in the said at least one fluid transport circuit (Ps, Pt). In one example, the means for locating a leak includes injecting means (Pp, , Ev) of a trace gas under pressure into the said at least one fluid transport circuit (Ps, Pt), which means are situated in the said leak test apparatus (), and a trace-gas detection probe () intended to be moved along the said at least one fluid transport circuit (Ps, Pt) on the outside thereof, in order to locate the leak. 1. An installation for detecting and locating a leak in a fluid transport circuit of an anemometer circuit of an aircraft , the installation comprising:a leak test apparatus comprising means for detecting a leak in said fluid transport circuit; and means for injecting a trace gas under pressure into said at least one fluid transport circuit, said means for injecting a trace gas positioned in said leak test apparatus; and', 'a trace gas detection probe operable to selectively be moved along said at least one fluid transport circuit (Ps, Pt) on an outside thereof, in order to locate the leak., 'means for locating a leak comprising2. The installation according to claim 1 , wherein the detection probe is connected to said leak test apparatus by one of a wired or wireless link.3. The installation according to claim 1 , wherein said installation further comprises at least one indicator operable to alert an operator of a presence of a fluid leak claim 1 , the at least one indicator positioned on one of the leak test apparatus or the detection probe.4. The installation according to claim 1 , wherein said leak test apparatus further comprises draining means operable to selectively drain said trace gas positioned inside said fluid transport circuit.5. The installation according to ...

CROSSWIND COMPENSATION FOR RESIDUE PROCESSING

A wind speed sensor includes a shroud that is elongate along a longitudinal axis that is generally transverse to a direction of travel of a mobile machine to which it is mounted. The wind speed sensor senses a magnitude of a crosswind component. An action signal is generated based upon the crosswind component sensed by the wind speed sensor. The action signal can be used to control a direction of residue discharge from the mobile machine. 1. A mobile machine , comprising:a material processing system that engages material to be processed as the mobile machine travels in a direction of travel;a wind sensor, connected to a structural frame of the mobile machine that generates a wind sensor signal indicative of a wind speed and wind direction of air flow impinging on the wind sensor;an elongate shroud, having a longitudinal axis fixedly oriented generally transverse to the direction of travel of the mobile machine, disposed about the wind sensor; andan action signal generator, configured to receive the wind sensor signal and generate an action signal, based on the wind sensor signal.2. The mobile machine of and further comprising:a residue discharge system that discharges residue from the mobile machine; anda residue discharge control system configured to receive the action signal and control the residue discharge system based on the action signal.3. The mobile machine of wherein the residue discharge system includes a discharge direction mechanism that controls a direction in which the residue discharge system discharges the residue.4. The mobile machine of wherein the residue discharge control system controls the residue discharge system to preferentially discharge the residue in a given direction based on the action signal.5. The mobile machine of wherein the mobile machine comprises a combine and wherein the residue discharge system comprises:a first spreader, rotatably mounted on a first side of the combine, that rotates to spread the residue; anda second spreader, ...

DEVICE FOR MEASURING THE SPEED OF A MOVING VEHICLE

The invention relates to a mechanical device for measuring the relative speed of a vehicle in motion with respect to a fluidic medium, including an attachment member attached to the vehicle so that it can be arranged in a frontal zone of the vehicle, in the direction of travel of the vehicle, and in the fluidic medium in which the vehicle is evolving, wherein the mechanical device is a variable-geometry device, and is designed to occupy, between a folded rest position and a completely deployed extreme service position, at least one intermediate position, and in that each intermediate position of the mechanical device is determined by aerodynamic forces acting on various successive sections that together constitute at least one wing attached or articulated to the attachment member. The invention further relates to a vehicle including the mechanical device. 118.-. (canceled)19. A mechanical device for measuring the relative speed of a vehicle in motion with respect to a fluidic medium , comprising:means of attachment to the vehicle and adapted to be arranged in a frontal zone of said vehicle, in the direction of travel of said vehicle, and in the fluidic medium in which said vehicle is evolving; andat least one wing attached or articulated to said means of attachment, which wing is designed to change shape as a function of the relative speed of said vehicle with respect to the fluidic medium, wherein said wing comprises at least two adjacent sections that are joined together by an articulation or flexing zone, wherein said wing is designed to occupy, between a non-deployed rest position and a completely deployed extreme service position, at least one intermediate position, wherein each intermediate position of said wing is determined by aerodynamic forces acting on said adjacent sections, and wherein said articulation or flexing zone is coupled to elastic retracting means designed to tend to return said wing toward said rest position when the relative speed of the ...

GAS PURIFYING APPARATUS

A gas purifying apparatus is used to receive chemical liquid mixing with a gas, and used to clean the gas. The gas purifying apparatus includes a plurality of liquid status detection sensors, a plurality of gas status detection sensors, a plurality of pumping motors, a gas driving motor and a controller. The liquid status detection sensors are disposed in a chemical liquid transmission path, and detect a plurality of liquid status information of the chemical liquid. The gas status detection sensors are disposed in a gas transmission path, and detect a plurality of gas status information of the gas. The controller performs an operation on the liquid status information and the gas status information to adjust a first setting value and a second setting value. The first setting value and the second setting value are respectively used to drive the pumping motors and the gas driving motor. 1. A gas purifying apparatus , configured for receiving chemical liquid to be mixed with gas to purify the gas , the gas purifying apparatus comprising:a plurality of liquid status detection sensors, disposed in a transmission path for transmitting the chemical liquid, configured to detect a plurality of liquid status information of the chemical liquid;a plurality of gas status detection sensors, disposed in the transmission path for transmitting the gas, configured to detect a plurality of gas status information of the gas;a plurality of pumping motors, configured for providing a driving pressure of the chemical liquid according to a first setting value;a gas driving motor, configured for setting a flow rate of the gas according to a second setting value;a controller, coupled to the plurality of liquid status detection sensors and the plurality of gas status detection sensors, and performing operations on the plurality of liquid status information and the plurality of gas status information to adjust the first setting value and the second setting value.2. The gas purifying apparatus as ...

YAW AUTO-CALIBRATION FOR A WIND TURBINE GENERATOR

A yaw auto-calibration method configured to calibrate an anemometer of a yaw control system to correct for yaw misalignment, includes collecting wind speed and wind direction data from the anemometer over a plurality of time periods. The method includes determining from the collected data a wind direction compensation signal associated with a plurality of wind speed ranges. The step of determining a wind direction compensation signal includes determining from a plotted performance value, a maximum performance value for each wind speed range and the step of determining further includes correlating the maximum performance value for each wind speed range with the associated average generator speed and plotting the maximum performance wind direction against average generator speed for each wind speed range. The maximum performance wind direction associated with the average generator speed for each wind speed range constitutes the wind direction compensation signal for the wind speed range. 1. A yaw auto-calibration method configured to calibrate at least one anemometer of a yaw control system to correct for yaw misalignment , the yaw control system configured to adjust a wind turbine nacelle position about a yaw axis to align the wind turbine with the direction of the wind inflow , the yaw auto-calibration method comprising:collecting wind turbine data over a plurality of time periods, the wind turbine data including wind speed and wind direction from the at least one anemometer;determining from the collected data a wind direction compensation signal associated with a plurality of wind speed ranges; the wind direction compensation signals corresponding to the effects on the at least one anemometer data due to yaw misalignment;providing the wind compensation signals to the yaw control system to adjust the wind direction data of the at least one anemometer for each of the associated wind speed ranges;wherein the step of collecting includes calculating an average wind ...

WATERCRAFT SPEED SENSOR

A sensor for measuring movement of an object relative to a fluid has a housing fixed to a surface of the object and a spring on the housing formed by a plurality of blades each having an outer end fixed to the housing and an inner end connecting to a hub, with the plurality of blades defining a plane. Respective strain gauges are carried on the blades. A rigid pin is mounted on the hub of the spring, extends in a direction generally perpendicular to the plane, and projects from the surface of the object and into the fluid. 1. A sensor for measuring movement of an object relative to a fluid , the sensor comprising:a housing fixed to a surface of the object;a spring on the housing formed by a plurality of blades each having an outer end fixed to the housing and an inner end connecting to a hub, the plurality of blades defining a plane;respective strain gauges on the blades; anda rigid pin mounted on the hub of the spring and extending in a direction generally perpendicular to the plane and projecting from the surface of the object and into the fluid.2. The sensor according to claim 1 , wherein the plurality of blades comprises at least three blades.3. The sensor according to claim 1 , wherein the blades are arranged angularly equidistant from each other relative to an axis of the hub.4. The sensor according to claim 1 , wherein the plurality of strain gauges comprises at least three strain gauges positioned on three different blades.5. The sensor according to claim 1 , wherein the pin carries a float.6. The sensor according to claim 1 , wherein the housing comprises a cover flush to the surface of the object.7. The sensor according to claim 6 , wherein the cover has a bore through which the pin extends and having an inner diameter larger than an outer diameter of the pin.8. The sensor according to claim 1 , wherein the spring assumes a rest position for the pin when no forces act upon the pin.9. A sensor for measuring movement of an object relative to a fluid claim 1 ...

DEVICE AND METHOD FOR ACCURATE WIND MEASUREMENT

A device for accurate wind measurement includes a bench carrying a camera having camera optics and a moving object connected to the camera by a string. The camera is generally directed downward and takes images of the object's movement while influenced by gravity and aerodynamic forces and is configured to stream the images to a digital signal processor or computer, which is adapted to decode the images and compute the object location and spatial angles. 1. A device for accurate wind measurement , the device comprising:a bench carrying a camera having camera optics;a moving object connected to said camera by a string;said camera being generally directed downward and taking images of said object's movement while influenced by gravity and aerodynamic forces;said camera being configured to stream the images to a digital signal processor or computer, andsaid digital signal processor or computer being adapted to decode the images and compute the object location and spatial angles.2. The device as claimed in claim 1 , wherein said object has a predefined aerodynamic shape claim 1 , preferably spherical.3. The device as claimed in claim 1 , wherein said string is of a low cross-section.4. The device as claimed in claim 1 , wherein said string is of predefined length.5. The device as claimed in claim 1 , wherein an upper side of said string crosses the centerline of the camera optics.6. The device as claimed in claim 1 , wherein the string is at least indirectly connected to a tension sensor.7. The device as claimed in claim 1 , wherein said DSP or computer is connected to any one or more in a group consisting of a temperature sensor claim 1 , a pressure sensor and a compass.8. (canceled)9. (canceled)10. The device as claimed in claim 1 , wherein said DSP or computer is connected to a GPS.11. The device as claimed in claim 1 , wherein said DSP or computer is connected to a sensor adapted to measure the spatial angle between a centerline of the camera optics and the gravity ...

FLIGHT PARAMETER MEASURING DEVICE WITH OPTICAL DEFORMATION SENSORS CARRIED BY THE RADOME OF AN AIRCRAFT

A device for measuring at least one flight parameter such as the airspeed, the sideslip angle or the angle of attack, or any other parameter dependent thereon, of an aircraft including a radome, including systems for measuring the deformation of the radome wall due to forces exerted by the air on the radome and a computer for computing from deformation measurements obtained by the systems the required flight parameter or parameters. The systems include at least one optical fiber carried by the radome provided with Bragg gratings, each fiber including a plurality of Bragg gratings distributed over a length of the fiber so as to distribute the Bragg gratings over the radome when the fiber is installed. 1. A device for measuring at least one flight parameter of an aircraft including a radome , comprising:systems for measuring the deformation of a wall of the radome due to forces exerted by the air on the radome, and 'the systems including at least one optical fiber carried by the radome provided with Bragg gratings, each fiber including a plurality of Bragg gratings distributed over a length of the fiber so as to distribute the Bragg gratings over the radome when the fiber is installed.', 'a computer configured to compute, from deformation measurements obtained by said systems, said at least one flight parameter,'}2. The measuring device according to claim 1 , wherein the at least one flight parameter is selected from the group consisting of an airspeed claim 1 , a sideslip angle or an angle of attack of the aircraft claim 1 , and any other parameter dependent on the airspeed claim 1 , the sideslip angle or the angle of attack of the aircraft.3. The measuring device according to claim 1 , wherein the fiber is integrated into an interior of the radome wall.4. The measuring device according to claim 1 , wherein a block of foam is provided between skins of the radome wall so as to join the skins claim 1 , the block of foam being provided at a level of at least one Bragg ...

Forensic weather system

A forensic weather analyzer compares actual meteorological readings with data from multiple weather models. The data is compared and a forensic weather model is selected as the weather model that most closely matches the meteorological readings. The forensic weather model is then used to provide meteorological information pertaining to a weather event such as a hurricane, at a specific location such as a street address.

FLOW SENSOR DEVICES AND SYSTEMS

A flow rate assembly can include a fluid flow interface portion having a front facing wall and a back facing wall. The flow interface portion can include an inlet passage within the fluid flow interface portion, an outlet passage within the fluid flow interface portion, at least one inlet aperture extending through the front facing wall of the fluid flow interface portion into the inlet passage, and at least one outlet aperture extending through the back facing wall of the fluid flow interface portion into the outlet passage. In some cases, the fluid flow interface portion includes a plug forming at least a portion of the inlet passage. 130.-. (canceled)31. A method of manufacturing a fluid flow sensor , the method comprising:providing a sensor tube;providing a sensor body;connecting the sensor tube to the sensor body such that an inlet passage of the sensor tube is fluidly connected to an inlet passage of the sensor body;inserting a float into the inlet passage of the sensor body via an aperture; andsealing the aperture to enclose the float within the inlet passage of the sensor body.32. The method of claim 31 , further comprising inserting a plug into a recess of the sensor tube.33. The method of claim 32 , further comprising forming at least a portion of the inlet passage of the sensor tube with the plug.34. The method of claim 32 , wherein the plug has a wedge-shaped profile.35. The method of claim 32 , wherein the plug is constructed as a solid part that is absent an internal channel.36. The method of claim 32 , wherein the plug comprises an internal channel that forms a portion of the inlet passage of the sensor body.37. The method of claim 32 , wherein the plug is sized such that a back side of the plug is flush with a back side of the sensor tube.38. The method of claim 32 , wherein the plug is separate from the outlet passage of the sensor tube.39. The method of claim 31 , wherein the sensor tube is formed by an injection molding.40. The method of claim 31 ...

Non-invasive fluid flow detection using digital accelerometers

A system for estimating fluid flow in a system including a pump and a fluid vessel operatively coupled to the pump via a conduit is described herein. The system comprises an accelerometer affixed to an exterior surface of the conduit, wherein the accelerometer is configured to generate signals representing physical movement of the conduit, and wherein the signals are suitable for estimating fluid flow in the conduit.

MONITORING THE STRUCTURAL HEALTH OF COLUMNS

A method and apparatus for monitoring the structural health of a stock of columns such as lighting columns and/or columns within that stock each of which is connected to receive power from an external source or otherwise. The method comprises the steps of locating on an upper surface of each or a plurality of columns within the stock to be monitored a micro controller connected to receive power from the electrical source of the respective column. The micro controller includes an electronic chip or board which includes, in circuit, an accelerometer, a Wi-Fi/RF or 3G/4G component or the like and a global positioning system (GPS) component or the like. The micro controller is operable to detect and monitor the magnitude and direction of forces imposed on the respective column and the direction from which such forces are derived, and to transmit the received data to a remote server for analysis. 1. Apparatus for measuring the structural health of a stock of columns such as lighting columns each connected to receive a supply of power and/or columns within that stock , the apparatus comprising:a micro controller for location on an upper surface of each or a plurality of columns within the stock to be monitored and connectable to the power supply for those columns, the micro controller including an electronic chip or board which includes in circuit an accelerometer, a wireless transmitter and an electrical surge protector, the micro controller being programmed to detect and monitor data recording the magnitude and direction and effect of forces imposed on the column on which the micro controller is to be mounted and to transmit the received data to a remote server for analysis.2. The apparatus as claimed in wherein the wireless transmitter is a WI-FI/RF or 3G/4G transmitter.3. The apparatus as claimed in claim 1 , wherein the global positioning component is a GPS component.4. The apparatus as claimed in claim 1 , wherein the micro controller also includes a gyroscope ...

ROBOTIC SYSTEMS AND METHODS FOR SURFACE IMAGING OF STRUCTURE'S VERTICAL SURFACE

A frame body may be parallel to and proximate with a surface of a structure and extend substantially horizontally from a first side to a second side. At least one first connecting portion may be attached to a first cable to provide for vertical movement of the frame body, and at least one second connection portion may be attached to a second cable to limit undesired movement of the frame body and/or provide constant tension. At least one buffer portion may be located proximate the first side to move vertically on the surface, and at least one buffer portion may be located proximate the second side to move vertically on the surface. A surface imaging device attached to the frame body may let the system image a structure's substantially vertical surface (e.g., an optical camera may photograph an exterior wall of a building as the frame body is moved). 1. A system for imaging a structure's substantially vertical surface , comprising:a frame body to be positioned parallel to and proximate with the surface and extend substantially horizontally from a first side to a second side;at least one first connecting portion to be attached to a first cable to provide for vertical movement of the frame body;at least one second connection portion to be attached to a second cable to limit undesired movement of the frame body and/or provide constant tension;at least one buffer portion located proximate the first side to move vertically on the surface;at least one buffer portion located proximate the second side to move vertically on the surface; anda surface imaging device attached to the frame body.2. The system of claim 1 , wherein the surface imaging device is associated with at least one of: (i) an optical camera claim 1 , (ii) a video camera claim 1 , (iii) an infrared camera claim 1 , (iv) a laser-based apparatus claim 1 , and (v) a radar-device apparatus.3. The system of claim 1 , wherein at least one buffer portion absorbs and distributes impulse via mechanical dampeners and ...

SENSOR SYSTEM

A sensor system is disclosed comprising a sensor and a mast on which the sensor is mounted. The mast comprises a core body and a shroud, whereby the shroud is provided about the core body and the shroud is rotatable with respect to the core body under the influence, in use, of a fluid flow flowing past the shroud. The shroud is shaped so as, from at least one fluid flow direction, it presents a different flow resistance in dependence upon its rotational orientation. The rotational orientation of the shroud adjusts to reduce the flow resistance produced by the shroud to the fluid flow in response to the commencement of, or a change in the fluid flow direction to, one of the at least one fluid flow directions. 1. A sensor system comprising a sensor and a mast on which the sensor is mounted , the mast comprising a core body and a shroud , whereby the shroud is provided about the core body and the shroud is rotatable with respect to the core body under the influence , in use , of a fluid flow flowing past the shroud , and where further the shroud is shaped so as , from at least one fluid flow direction , it presents a different flow resistance in dependence upon its rotational orientation , such that the rotational orientation of the shroud adjusts to reduce the flow resistance produced by the shroud to the fluid flow in response to the commencement of , or a change in the fluid flow direction to , one of the at least one fluid flow directions.2. A sensor system in accordance with further comprising a duct in which the sensor is positioned and through which in use the fluid flow is passed.3. A sensor system in accordance with where the largest dimension of the mast extends in a longitudinal direction between proximal and distal ends thereof the mast being adapted to be secured to the duct at or adjacent its proximal end.4. A sensor system according to where the sensor is provided at or adjacent the distal end.5. A sensor system according to where the distal end of the ...

MEASURING ASSEMBLY ON A WIND TURBINE

The disclosure relates to a measuring arrangement of a wind power plant having a tower and an aerodynamic rotor with at least one rotor blade, for sensing wind conditions, comprising at least a first and a second measuring device for arrangement at different heights on the tower, and wherein each measuring device is prepared so as to sense, at the respective height at which it is to be arranged, wind values for different horizontal directions, said values being representative of a wind pressure from the respective direction. 1. A measuring arrangement of a wind turbine having a tower and an aerodynamic rotor with at least one rotor blade , for sensing wind conditions , the measuring arrangement comprisinga first measuring device and a second measuring device for arrangement at different heights on the tower,wherein the first and second measuring devices are prepared so as to sense, at the respective height at which it is to be arranged, wind values for different horizontal directions, said wind values being representative of a wind pressure from the respective direction.2. The measuring arrangement according to claim 1 , wherein the first and second measuring devices are prepared for arrangement around the tower and configured to sense wind pressure.3. The measuring arrangement according to claim 1 , wherein the first and second measuring devices comprise a pressure sensor film which is prepared so as to sense a direction-dependent pressure profile.4. The measuring arrangement according to claim 1 , wherein the pressure sensor film is a piezo-electric film or a nanosensor film.5. The measuring arrangement according to claim 1 , wherein the first measuring device is arranged on the tower of the wind turbine at a height at which a rotor blade tip passes the tower during the rotation of the rotor.6. The measuring arrangement according to claim 5 , wherein the second measuring device is arranged above the first measuring device and below the nacelle of the wind turbine. ...

Positioning of In-Situ Methane Sensor on a Vertical Take-Off and Landing (VTOL) Unmanned Aerial System (UAS)

Unmanned Aerial Systems (UAS) for use in the detection, localization, and quantification of gas leaks are provided. More specifically the use of an in-situ sensor mounted to a UAS such that the sensor is positioned in a region unaffected by prop wash that is relatively undisturbed by the effects of the propeller(s) and other environmental conditions when in use is described. Additionally, methods of determining the optimal placement of the in-situ sensor on any given UAS are also provided. 1. An unmanned aerial system comprising:a body,at least one propulsion control system integrally connected to the body,at least one power source electronically connected to the at least one propulsion control system,at least one propulsion system electronically connected to and in signal communication with the at least one propulsion control system and connected to the body wherein the at least one propulsion system, in conjunction with the propulsion control system, is capable of producing at least a vertical and horizontal propulsion of the UAS and wherein the propulsion system generates at least a turbulent airflow region and at least a region unaffected by prop wash,at least one mounting apparatus having an elongated body having a first end and a second end wherein the at least one elongated is connected to the body of the UAS,at least one sensing device moveably connected to the at least one mounting apparatus and configured to be positioned near the first end wherein the sensing device is situationally configured to be positioned within a region unaffected by prop wash of the UAS, andat least one sensing control device electronically connected to and in signal communication with the sensing device.2. The unmanned aerial system of wherein the at least one sensing control device is moveably connected to the at least one mounting apparatus and configured to be positioned near the second end.3. The unmanned aerial system of further comprising at least one anemometer connected to ...

Navigating drifter

A variable frontal area craft for performing drift measurements. The craft includes a variable frontal area mechanism and a propulsion assembly, and is configured to operate at least partially submerged in a liquid. The variable frontal area mechanism is configured to operate in a first, high frontal area state and in a second, low frontal area state.

MONITORING THE STRUCTURAL HEALTH OF COLUMNS

A method and apparatus for monitoring the structural health of a stock of columns such as lighting columns and/or columns within that stock each of which is connected to receive power from an external source or otherwise. The method comprises the steps of locating on an upper surface of each or a plurality of columns within the stock to be monitored a micro controller connected to receive power from the electrical source of the respective column. The micro controller includes an electronic chip or board which includes, in circuit, an accelerometer, a Wi-Fi/RF or 3G/4G component or the like and a global positioning system (GPS) component or the like. The micro controller is operable to detect and monitor the magnitude and direction of forces imposed on the respective column and the direction from which such forces are derived, and to transmit the received data to a remote server for analysis. 1. A method for monitoring the structural health of a stock of columns , such as lighting columns and/or columns within that stock , each of which is connected to receive power from an external source , the method comprising: locating a micro controller on an upper surface of each column or a plurality of columns , within the stock to be monitored , the micro controller connected to receive power from the external source of the respective column , the micro controller including an electronic chip or board which includes , in circuit , an accelerometer , a wireless transmitter , and a global positioning component and/or a real time clock component , the micro controller being operable to detect and monitor the magnitude and direction of forces imposed on the respective column and the direction from which such forces are derived , and to transmit the received data to a remote server for analysis.2. The method as claimed in wherein the wireless transmitter is a WI-FI/RF or 3G/4G component.3. The method as claimed in claim 1 , wherein the global positioning component is a GPS ...

Gas Detection Systems and Methods Using Measurement Position Uncertainty Representations

In some embodiments, a natural gas leak detection system generates display content including indicators of remote and local potential leak source areas situated on a map of an area of a gas concentration measurement survey performed by a vehicle-borne device. The remote area may be shaped as a wedge extending upwind from an associated gas concentration measurement point. The local area graphically represents a potential local leak source area situated around the gas concentration measurement point, and having a boundary within a predetermined distance (e.g. 10 meters) of the gas concentration measurement point. The local area may be represented as a circle, ellipse, or other shape, and may include an area downwind from the measurement point. Size and/or shape parameters of the local area indicator may be determined according to survey vehicle speed and direction data, and/or wind speed and direction data characterizing the measurement point. 1. A natural gas leak detection system comprising:at least one hardware processor and associated memory configured to generate display content according to gas concentration and associated wind direction and wind magnitude data characterizing a gas concentration measurement run performed by a mobile gas measurement device; anda display device coupled to the at least one hardware processor and associated memory, the display device configured to present the display content; at least one angular search area indicator situated on a street map, the search area indicator indicating a search area suspected to have a natural gas leak source, the search area indicator having an axis indicating a representative wind direction relative to a geo-referenced location of at least one gas concentration measurement point, and the search area indicator having a width relative to the axis, wherein the width is indicative of a wind direction variability associated with a plurality of wind direction measurements in an area of the gas concentration ...

METHOD AND APPARATUS FOR COMBINED ANEMOMETER AND PLASMA ACTUATOR

A method and a device for measuring a fluid flow characteristic of an ambient fluid and modifying fluid flow of the ambient fluid, the method including: applying a first voltage between a first electrode and a second electrode, the first voltage being sufficient to generate a plasma in the first space; applying a second voltage between the first electrode and a third electrode, the second voltage being sufficient to generate a plasma in the second space; measuring a first current between the first and second electrodes, and a second current between the first and third electrodes; determining a fluid flow characteristic of the ambient fluid; and applying a third voltage between the first and second electrodes, the third voltage being sufficient to generate a plasma in the first space sufficient to modify fluid flow of the ambient fluid in the first direction in the first space. 1. A method for measuring a fluid flow characteristic of an ambient fluid and modifying fluid flow of the ambient fluid , the method comprising:applying a first voltage between a first electrode and a second electrode electrically insulated from the first electrode, the first electrode extending in a plane and the second electrode extending along the plane, the first and second electrodes being laterally spaced apart from each other in a first direction in the plane, the ambient fluid at least partially occupying a first space adjacent to the first electrode,wherein the first voltage is sufficient to generate a plasma in the first space;simultaneously to applying the first voltage, applying a second voltage between the first electrode and a third electrode electrically insulated from the first electrode, the third electrode extending along the plane and laterally spaced apart from the first electrode in a second direction in the plane opposite the first direction, the ambient fluid at least partially occupying a second space adjacent to the first electrode and opposite to the first space, ...

ELASTIC FILAMENT VELOCITY SENSOR

Disclosed is an apparatus for measuring velocity of a fluid stream via deflection of a wire filament. Also disclosed is a process for measuring velocity of a fluid stream, requiring deflecting two or more wire filaments in a fluid stream, measuring two or more resistances, and equating the velocity of the fluid stream to the result of a function of the two or more resistances. In both the apparatus and method, one wire filament must have a length dimension longer than at least one of a dimension of the wire filament in the primary sensing or transverse direction, as well as a dimension of the wire filament in the primary sensing and/or transverse direction less than 2. The velocity sensor system according to claim 1 , wherein at least one of the two or more electrically conductive wire filaments is supported at both ends.3. The velocity sensor system according to claim 1 , wherein at least one of the two or more electrically conductive wire filaments is freestanding.4. The velocity sensor system according to claim 1 , wherein at least two of the electrically conductive wire filaments are connected in series.5. The velocity sensor system according to claim 1 , wherein at least two of the electrically conductive wire filaments are connected in parallel.6. The velocity sensor system according to claim 1 , wherein the length of at least one of the two or more electrically conductive wire filaments is between and including 10 and 100 claim 1 ,000 times that of both the primary sensing and transverse dimensions.7. The velocity sensor system according to claim 1 , wherein at least one wire filament comprises material with a Young's modulus between and including 0.001 and 500 GPa claim 1 , and a yield strength between and including 30 and 3 claim 1 ,000 MPa.9. The velocity sensor system according to claim 1 , wherein at least one of the two or more electrically conductive wire filaments comprises a material that experiences a change in its resistance when deformed.10. The ...

SYSTEM AND METHOD FOR DETERMINING AIRSPEED

A method of determining airspeed of a movable object includes performing a calibration process to determine a relationship between forces exerted on the movable object and airspeed of the movable object, determining forces exerted on the movable object while the movable object is moving, and determining an airspeed of the movable object based on the determined forces and the relationship. 1. A method of determining airspeed of a movable object , comprising:performing a calibration process to determine a relationship between forces exerted on the movable object and airspeed of the movable object;determining forces exerted on the movable object while the movable object is moving; anddetermining, based on the determined forces and the relationship, an airspeed of the movable object.2. The method of claim 1 , wherein the calibration process comprises determining a relationship between forces exerted on the movable object in a lateral direction and lateral airspeed of the movable object.3. The method of claim 1 , wherein the calibration process comprises determining a relationship between forces exerted on the movable object in a vertical direction and vertical airspeed of the movable object.4. The method of claim 1 , wherein the calibration process comprises:determining a relationship between forces exerted on the movable object in a lateral direction and lateral airspeed of the movable object; anddetermining a relationship between forces exerted on the movable object in a vertical direction and vertical airspeed of the movable object.5. The method of claim 1 , wherein the calibration process comprises:a) controlling the movable object to move in a first direction;b) adjusting a speed of the movable object in the first direction;c) detecting an acceleration of the movable object along the first direction;d) detecting flight parameters, including at least one of air density, rotation speeds of one or more propellers, attitude of the movable object, or ground speed of the ...

Airflow test method, airflow test apparatus and clean room control system

The present invention provides an airflow test method comprising: setting a plurality of test points within a test space; detecting the respective one-dimensional velocities of the airflow at each test point along a plurality of test directions, said plurality of test directions including at least three directions; calculating the actual direction and the actual velocity of the airflow at each test point based on the respective one-dimensional velocities of the airflow at the test point along the plurality of test directions. Also, the present invention provides an airflow test apparatus and a clean room control system. The present invention enables detecting the distribution of airflow in the test space with simple method.

MONITORING THE STRUCTURAL HEALTH OF COLUMNS AND LIKE STRUCTURES

Apparatus for monitoring the structural health of a column or a stock of columns or a column or columns within that stock is disclosed in the application. The apparatus comprises a microcontroller located on the or each column which includes an integrated MEMS device programmed to measure and record accelerations, angular velocities and magnetic field strengths in X, Y and Z axes. The apparatus includes means for connecting said microcontroller to a source of power, and means operable to transmit said measured data to a central data hub and from there to a remote server for analysis using bespoke software. 1. Apparatus for monitoring the structural health of a column or a stock of columns or a column or columns within that stock , the apparatus comprising a microcontroller located on the or each column and including an integrated MEMS device programmed to measure and record accelerations , angular velocities and magnetic field strengths in X , Y and Z axes , means for connecting said microcontroller to a source of power , and means operable to transmit said measured data to a central data hub and from there to a remote server for analysis using bespoke software.2. Apparatus as claimed in wherein the integrated MEMS device of the or each microcontroller further comprises a magnetometer function.3. Apparatus as claimed in wherein the means operable to transmit said measured and recorded data to the remote server comprises a WI-FI/RF transmitter or a 3G/4G component.4. Apparatus as claimed wherein the means operable to transmit said measured and recorded data comprises a wireless transmitter connected to receive data from a column mounted global positioning component.5. Apparatus as claimed in wherein the micro-controller also includes an electrical surge protector and photo cell.6. Apparatus as claimed in wherein the photo cell is programmed to detect the presence or lack of daylight in the vicinity of said stock and to switch off/on the supply of electrical power to ...

FORENSIC WEATHER SYSTEM

A forensic weather analyzer compares actual meteorological readings with data from multiple weather models. The data is compared and a forensic weather model is selected as the weather model that most closely matches the meteorological readings. The forensic weather model is then used to provide meteorological information pertaining to a weather event such as a hurricane, at a specific location such as a street address. 1. A system comprisingat least one anemometer;at least one computing device, the at least one computing device comprising a processor, and a memory coupled to said processor, wherein the memory contains instructions, that when executed by the processor, perform the steps of:receiving temporal event data;receiving a subject location;generating a measurement region based on the subject location; andreceiving a plurality of meteorological measurements that are collected within the measurement region;determining a station location for each of the plurality of meteorological measurements;retrieving an estimated data value from each of a plurality of weather models for each station location based on the temporal event data;for each station location, computing a difference between a received meteorological measurement and a received estimated data value for each of the plurality of weather models; andselecting a weather model from the plurality of weather models as a forensic weather model based on the computed differences.2. The system of claim 1 , wherein the system further includes at least one barometer claim 1 , and wherein the memory further contains instructions claim 1 , that when executed by the processor claim 1 , perform the step of retrieving pressure data from the at least one barometer.3. The system of claim 1 , wherein the system further includes at least one thermometer claim 1 , and wherein the memory further contains instructions claim 1 , that when executed by the processor claim 1 , perform the step of retrieving temperature data from ...

PROBE SYSTEM, MIXED PRIMARY REFERENCE PROBE FOR AN AIRCRAFT, ASSOCIATED AIRCRAFT AND MEASURING METHOD

A probe system, mixed primary reference probe for an aircraft, associated aircraft and measuring method are disclosed. In one aspect, the probe system includes a base designed to be fastened on the cockpit of an aircraft, a plurality of regularly spaced static pressure taps, arranged through the base and designed to be connected to a pressure measurement device. The system includes at least one optical window transparent to laser radiation and inserted into the base. 1. A probe system , comprising:a base configured to be fastened on the cockpit of an aircraft;a plurality of regularly spaced static pressure taps arranged through the base and configured to be connected to a pressure measurement device; andat least one optical window transparent to laser radiation and inserted into the base.2. The system according to claim 1 , wherein the optical window has an outer face flush with an outer surface of the base.3. The system according to claim 1 , wherein the optical window comprises a porthole formed of glass transparent to infrared radiation.4. The system according to claim 3 , wherein the optical window comprises a seal inserted between the base and the porthole claim 3 , and wherein the seal is formed of a material with a thermal expansion coefficient lower than the thermal expansion coefficient of the material of the base.5. The system according to claim 3 , wherein the optical window comprises an insert secured to the base and in which the porthole is received claim 3 , and wherein the difference between the thermal expansion coefficient of the insert and that of the porthole below 100%.6. The system according to claim 3 , wherein the base defines an orifice configured to receive the optical window claim 3 , and wherein the porthole is maintained by mechanical engagement in the receiving orifice.7. The system according to claim 1 , wherein it comprises a fastener configured to fasten the optical window on the base claim 1 , wherein the fastener comprises a ...

Method and System for Determining Effective Wind Speeds for Motor Vehicles

Various embodiments include a method for determining an effective wind speed to which a vehicle is exposed while driving comprising: determining an effective mechanical drive power for the vehicle by measuring the current and voltage at an electric motor and using an efficiency characteristic diagram of the electric motor and accounting for losses in a drive train of the motor vehicle; and calculating the effective wind speed based on the effective mechanical drive power. 1. A method for determining an effective wind speed to which a vehicle is exposed while driving , the method comprising:determining an effective mechanical drive power for the vehicle by measuring the current and voltage at an electric motor and using an efficiency characteristic diagram of the electric motor and accounting for losses in a drive train of the motor vehicle; andcalculating the effective wind speed based on the effective mechanical drive power.2. The method as claimed in claim 1 , further comprising determining the effective drive power of the vehicle while underway.3. (canceled)4. The method as claimed in claim 1 , wherein calculating the wind speed acting on the vehicle includes determining an air resistance by subtracting known and/or estimated driving resistances from the effective drive power.5. The method as claimed in claim 1 , wherein calculating the air resistance depends at least in part on at least one factor from the group consisting of: data from a sensor system internal to the vehicle claim 1 , surroundings sensor system of the vehicle claim 1 , position data of the vehicle claim 1 , data from digital maps claim 1 , infrastructure data claim 1 , data received from other vehicles and/or data received from a backend.6. The method as claimed in claim 1 , further comprising detecting overtaking maneuvers and/or vehicles driving in front with a surroundings sensor system claim 1 , a sensor system internal to the vehicle claim 1 , and/or vehicle-to-vehicle communication.7. The ...

SYSTEM AND METHOD FOR POWER TRANSMISSION LINE MONITORING

A transmission line monitoring system and central processing facility are used to determine the geometry, such as a height, of one or more conductors of a power transmission line and real-time monitoring of other properties of the conductors. 1. A transmission line monitoring method , comprising:using a clearance sensor to measure conductors of a transmission line; andprocessing data from the clearance sensor to assess transmission line conductors including their geometry and/or motion.2. A method for measuring electric power flow along one or more conductors , comprising:measuring an electric and/or magnetic field of the one or more conductors;measuring a position of the conductors; andusing the position to improve an estimation of the power being transmitted by the conductors from the electric and/or magnetic field measurement.3. A method as claimed in claim 2 , wherein the position of the conductors is measured with a LIDAR based clearance sensor.4. A method as claimed in claim 2 , wherein the position of the conductors is specified in three dimensions.5. A method as claimed in claim 2 , wherein the inter-conductor spacing of several conductors is computed from multiple three-dimensional conductor position specifications.6. A method as claimed in claim 2 , further comprising using weather sensor information or weather data to adjust the electric field model used to estimate the power being transmitted by the conductors.7. A method as claimed in claim 2 , further comprising using an electromagnetic field model with the measured position to determine power conducted by the conductors.8. A system for generating a power measurement claim 2 , comprising:one or more electromagnetic field sensors for measuring an electric and/or magnetic field of one or more conductors;a clearance sensor measuring a position of the conductors; anda computer that uses the measured position to improve an estimation of the power being transmitted by the conductors from the electric and/or ...

HOT WIRE ANEMOMETER AIR FLOW MEASUREMENT, PUFF DETECTION AND AMBIENT TEMPERATURE TRACKING

A method of controlling a hot wire anemometer (HWA) of a non-nicotine e-vaping device includes controlling, by a first PID controller, a level of power applied by the non-nicotine e-vaping device to the HWA based on a temperature of a heated element of the HWA and a temperature setpoint; generating a puff detection signal indicating whether or not a puff is currently occurring with respect to the non-nicotine e-vaping device; and while the puff detection signal indicates that a puff is not currently occurring with respect to the non-nicotine e-vaping device, detecting, by a second PID controller, a change in an ambient temperature of the HWA, and controlling, by the second PID controller, the temperature setpoint such that the temperature setpoint changes in response to the detected change in the ambient temperature of the HWA. 1. A method of controlling a hot wire anemometer (HWA) of a non-nicotine e-vaping device , the method comprising:controlling, by a first PID controller, a level of power applied by the non-nicotine e-vaping device to the HWA based on a temperature of a heated element of the HWA and a temperature setpoint;generating a puff detection signal indicating whether or not a puff is currently occurring with respect to the non-nicotine e-vaping device; and detecting, by a second PID controller, a change in an ambient temperature of the HWA; and', 'controlling, by the second PID controller, the temperature setpoint such that the temperature setpoint changes in response to the detected change in the ambient temperature of the HWA., 'while the puff detection signal indicates that a puff is not currently occurring with respect to the non-nicotine e-vaping device,'}2. The method of claim 1 , wherein the controlling of the level of power applied by the non-nicotine e-vaping device to the HWA comprises:generating, by the first PID controller, a drive signal setting value,the level of power applied by the non-nicotine e-vaping device to the HWA being based on ...

DETERMINING A WIND SPEED VALUE

Provided is a method of determining a value of a wind speed, the method including: measuring a first value of the wind speed using a first wind speed sensor; measuring at least one second value of the wind speed using at least one second wind speed sensor; estimating a third value of the wind speed based on at least one operational parameter of a wind turbine having a rotating rotor at which rotor blades are connected and having a generator coupled to the rotor; determining a fourth value of the wind speed by taking into account the first value and the at least one second value weighted based on the third value. 1. A method of determining a value of a wind speed , the method comprising:measuring a first value of the wind speed using a first wind speed sensor;measuring at least one second value of the wind speed using at least one second wind speed sensor;estimating a third value of the wind speed based on at least one operational parameter of a wind turbine having a rotating rotor at which rotor blades are connected and having a generator coupled to the rotor;determining a fourth value of the wind speed by taking into account the first value and the at least one second value weighted based on the third value.2. The method according to claim 1 , wherein the fourth value is determined to be between the first value.3. The method according to claim 1 , wherein the fourth value is obtained as a sum of the first value multiplied with a first weight and the second value multiplied by a second weight claim 1 , further wherein the first weight and the second weight depend on a first difference between the first value and the third value and on a second difference between the second value and the third value.4. The method according to claim 3 , wherein the first weight and the second weight are different.5. The method according to claim 3 , wherein the first weight is the larger the smaller the first difference is claim 3 , further wherein the second weight is the larger the ...

MEMS CHIP FOR WIND SPEED MEASUREMENTS

A MEMS chip for wind speed measurements is provided. The chip integrates one or multiple embedded channels and a pressure sensor. The pressure sensor consists of a sensing membrane with a cavity beneath it. Each channel has one end connects to the cavity while the other end opens on the edge of the chip. To measure the wind speed, the membrane faces the wind and the air stagnates onto it while the channel connects the cavity to the static pressure. And the membrane deforms according to the wind pressure. The wind speed is then derived from the measured wind pressure. 1. A MEMS chip for wind speed measurements including:a pressure sensor;and one or multiple embedded channels that are sealed inside the MEMS chip except the opening ends on the edges of the chip.2. A MEMS chip as claimed in claim 1 , wherein the pressure sensor including a substrate with a cavity and a pressure sensing membrane sitting on top of the said substrate with the said cavity beneath it.3. A MEMS chip as claimed in claim 2 , wherein each embedded channel is sealed inside the said MEMS chip with one end connects to the said cavity and another end opens on the edge of the said MEMS chip.4. A method of measuring the wind speed by a MEMS chip as claimed in including:the said pressure sensing membrane faces the wind and stagnates the wind onto its surface;each said embedded channel connects the said cavity to the static pressure;the said pressure sensing membrane senses the wind pressure;the wind speed is derived from the wind pressure. 1. Field of the InventionThe present invention relates generally to flow measurement techniques. More particularly, the present invention provides a MEMS chip for wind speed measurements.2. Description of the Related ArtWind speed is a fundamental atmospheric rate and affects weather forecasting, aircraft and maritime operations, construction projects, growth and metabolism rate of many plant species, and countless other implications. Wind speed is measured using ...

Temperature sensing apparatus and method of measuring a temperature outside a housing

A method for measuring a temperature outside a housing unit includes the steps of measuring a first temperature inside the sealed housing of the housing unit, measuring a second temperature inside the sealed housing of the housing unit, and measuring a airflow speed outside the housing of the housing unit and along the front cover of the housing. A multiple of the difference between the first temperature and the second temperature is added to the first temperature, and a multiple of the product of airflow speed ¦v A ¦ and the difference between the first temperature and the second temperature is further added.

System and method for airspeed determination

A method for determining airspeed of an aircraft that includes determining a rotor model relating a power coefficient of a propeller of the aircraft to an axial inflow velocity through the propeller as a function of a set of rotor operating parameters; determining the set of rotor operating parameters by sampling an electronic control signal associated with an electric motor actuating the propeller; computing the axial inflow velocity through the propeller based on the set of rotor operating parameters using the rotor model; and determining the airspeed based on the axial inflow velocity.

Piloting Assistance Method For An Aircraft, Making It Possible To Ensure The Availability Of An Automatic Pilot

A piloting assistance system for an aircraft includes a measuring module for measuring a vertical manoeuvre of the aircraft, a computational module for computing a first load factor from the measured vertical manoeuvre and from a setpoint vertical manoeuvre, a measuring module for measuring an inclination angle, a pitch rate and a pitch acceleration, a protection module including a computational submodule configured to compute a second load factor and a comparison submodule in order to compare the first and the second load factor in order to determine an applicable load factor equal to the minimum between the first and the second load factor, a computational module configured to compute elevator control from the applicable load factor and a sending module configured to send the elevator control to the automatic pilot. 1. A piloting assistance method for an aircraft , making it possible to ensure the availability of at least an automatic pilot , comprising:a first measuring step, implemented by a first measuring module, including measuring a vertical manoeuvre of the aircraft;a first computational step, implemented by a first computational module, including computing a first load factor from the measured vertical manoeuvre and from a setpoint vertical manoeuvre;a second measuring step, implemented by a second measuring module, including measuring an inclination angle, a pitch rate and a pitch acceleration of the aircraft;a protection step, implemented by a protection module, including:a computational substep), implemented by a computational submodule, including computing a second load factor from the measured inclination angle, from the measured pitch rate and from the measured pitch acceleration,a comparison substep, implemented by a comparison submodule, including comparing the first load factor with the second load factor in order to determine an applicable load factor equal to the load factor having the smallest value between the first load factor and the second ...

ANEMOMETER

Anemometer for independently measuring wind speed and direction in fluid medium. A second anemometer portion has at least one attribute resulting in different wind resistance in fluid medium than a first anemometer portion, such as a different: mass, shape, density, specific gravity, drag coefficient and/or freedom of motion. Different wind resistance causes inclination of anemometer when deployed to fall autonomously along a trajectory of fluid medium, where anemometer drag coefficient curtails initial ballistic trajectory such that anemometer enters free-fall descent after deployment. Anemometer includes inclinometer to obtain inclination measurements, and memory/transmitter to store/transmit inclination measurements. Local wind direction/speed is determined from inclination measurements based on direction/degree of anemometer inclination in correlation with measurement timings. Anemometer may be deployed from moving airborne platform. Anemometer may include conical second portion embedded into spherical first portion, where conical second portion has smaller mass and larger surface area than spherical first portion. 1. An anemometer for independently measuring wind speed and wind direction in a fluid medium , the anemometer comprising:a first anemometer portion; anda second anemometer portion, having at least one attribute resulting in a different wind resistance in the fluid medium than the first anemometer portion,the anemometer configured to be deployed to fall autonomously along a trajectory of the fluid medium, wherein the different wind resistance causes an inclination of the anemometer, and wherein the drag coefficient of the anemometer is effective for curtailing an initial ballistic trajectory such that the anemometer enters a free-fall descent after deployment;the anemometer further comprising:at least one inclinometer, coupled to at least one anemometer portion, the inclinometer configured to obtain inclination measurements of the anemometer from when ...

Distributed Weather Monitoring System

A distributed weather system includes a storage, a plurality of wireless weather stations, a server, and an interface. Each of the plurality of wireless weather stations is associated with a user and has a battery, a location sensor generating location information, an anemometer generating apparent wind speed, a transmitter transmitting the location information with the apparent wind speed to a network at periodic intervals, and a receiver receiving control commands that include a length of the periodic intervals. The server receives the location information with the apparent wind speed and stores them in the storage. The interface is accessible by a mobile computer, and receives the control commands from a user and sends them to the receiver of the wireless weather station associated with the user. The interface displays a true wind speed for each of the plurality of wireless weather stations, which is calculated using the apparent wind speed, the location information, and historical location information. 1. A distributed weather monitoring system , comprising:a storage; a battery for providing portability of the wireless weather station;', 'a velocity sensor generating velocity information indicative of both speed and direction of movement of the wireless weather station;', 'an anemometer generating an apparent wind signal indicative of both apparent speed and apparent direction of the wind; and', 'a transmitter transmitting the velocity information and apparent wind signal to a network;, 'a plurality of wireless weather stations, each associated with a user and havinga server receiving the velocity information and apparent wind signal and storing them in the storage; andan interface displaying true wind data for each of the plurality of wireless weather stations, the true wind data calculated from the apparent wind signal and velocity information.2. The distributed weather monitoring system of claim 1 , wherein each of the plurality of wireless weather stations ...

METHOD AND DEVICE FOR DETERMINING LOADS ON A WIND TURBINE TOWER

The invention relates to a method () for determining loads on a wind turbine tower. In a first step () of the method (), bending moments in at least one rotor blade of the wind turbine are determined in order to provide a first variable, which identifies a first force acting on a nacelle of the wind turbine tower. In addition, in a second step () of the method (), a nacelle deflection is determined in order to provide a second variable which identifies a second force acting on the nacelle of the wind turbine tower. Furthermore, a third step () of the method () comprises entering the first variable and the second variable into a calculation model, which displays the behavior of the tower. A fourth step () of the method () comprises a determination of loads on the tower of the wind turbine by means of the calculation model. 1. Method for determining loads on a wind turbine tower , comprising:Determining bending moments in at least one rotor blade of the wind turbine in order to provide a first variable, which identifies a first force acting on a nacelle of the wind turbine tower;Determining a nacelle deflection in order to provide a second variable, which identifies a second force acting on the nacelle of the wind turbine tower;Entering the first variable and the second variable into a calculation model that displays the behavior of the tower; andDetermining loads on the wind turbine tower by means of the calculation model.2. Method according to claim 1 , wherein claim 1 , when determining the bending moments in the at least one rotor blade claim 1 , a strain in the at least one rotor blade is measured using at least one strain sensor.3. Method according to claim 2 , wherein claim 2 , when determining the bending moments in the at least one rotor blade claim 2 , the strain in the at least one rotor blade is measured in two directions.4. Method according to claim 2 , wherein the at least one strain sensor is arranged in the at least one rotor blade.5. Method according ...

System and Method for a Wind Speed Meter

According to an embodiment, a method of measuring wind speed includes measuring atmospheric pressure at a first pressure sensor arranged inside a case and shielded from wind, measuring air pressure at a second pressure sensor arranged at an opening in the case, and determining wind speed at the opening in the case based on measuring the atmospheric pressure and the air pressure. 1. A method of measuring wind speed comprising:measuring atmospheric pressure at a first pressure sensor arranged inside a case and shielded from wind;measuring air pressure at a second pressure sensor arranged at an opening in the case; anddetermining wind speed at the opening in the case based on measuring the atmospheric pressure and the air pressure.2. The method of claim 1 , wherein determining the wind speed comprises:generating a first signal based on measuring the atmospheric pressure;generating a second signal based on measuring the air pressure;generating a difference signal by subtracting the first signal from the second signal; andcalculating the wind speed using the difference signal.32112. The method of claim 2 , wherein calculating the wind speed comprises calculating wind speed S using an equation S=√{square root over (2·(P−P)≧ρ)} claim 2 , wherein the first signal is P claim 2 , the second signal is P claim 2 , and density of air is ρ.4. The method of claim 1 , wherein measuring air pressure at a second pressure sensor comprises measuring a plurality of air pressures at a plurality of pressure sensors arranged at a plurality of openings in the case.5. The method of claim 4 , further comprising determining wind direction based on measuring the plurality of air pressures.6. The method of claim 4 , wherein each opening of the plurality of openings is arranged facing in a direction that is separated from a direction of another opening of the plurality of openings by about 90°.7. The method of claim 1 , wherein the first pressure sensor and the second pressure sensor each ...

Gas Detection Systems and Methods Using Measurement Position Uncertainty Representations

In some embodiments, a natural gas leak detection system generates display content including indicators of remote and local potential leak source areas situated on a map of an area of a gas concentration measurement survey performed by a vehicle-borne device. The remote area may be shaped as a wedge extending upwind from an associated gas concentration measurement point. The local area graphically represents a potential local leak source area situated around the gas concentration measurement point, and having a boundary within a predetermined distance (e.g. 10 meters) of the gas concentration measurement point. The local area may be represented as a circle, ellipse, or other shape, and may include an area downwind from the measurement point. Size and/or shape parameters of the local area indicator may be determined according to survey vehicle speed and direction data, and/or wind speed and direction data characterizing the measurement point. 1. A natural gas leak detection system comprising:at least one hardware processor and associated memory configured to generate display content according to gas concentration and associated wind direction and wind magnitude data characterizing a gas concentration measurement run performed by a mobile gas measurement device; anda display device coupled to the at least one hardware processor and associated memory, the display device configured to present the display content;wherein generating the display content comprisesidentifying at least one angular search area suspected to have a natural gas leak source and extending upwind from a gas concentration measurement point, the angular search area having an axis indicating a representative wind direction relative to a geo-referenced location of the gas concentration measurement point, the angular search area having a width relative to the axis, wherein the width is indicative of a wind direction variability characterizing a plurality of wind direction measurements in an area of the ...

SYSTEM AND METHOD FOR POWER TRANSMISSION LINE MONITORING

A transmission line monitoring system and central processing facility are used to determine the geometry, such as a height, of one or more conductors of a power transmission line and real-time monitoring of other properties of the conductors. 1. A transmission line monitoring system , comprising:a clearance sensor; anda controller for processing data from the clearance sensor to assess geometry and/or motion of transmission line conductors.2. A system as claimed in claim 1 , wherein the clearance sensor generates three-dimensional point cloud measurements.3. A system as claimed in claim 1 , wherein the controller extrapolates paths of the conductors from the data.4. A system as claimed in claim 1 , wherein the controller employs three dimensional search regions defined for each conductor.5. A system as claimed in claim 1 , wherein the clearance sensor is angled to scan the conductors between 30 degrees and 80 degrees above horizontal.6. A system as claimed in claim 1 , wherein the controller processes the data of repeated scans to resolve and characterize the motion of the conductors.7. A system as claimed in claim 1 , wherein the controller processes the data to measure a thickness of ice formed on the conductors.8. A system as claimed in claim 1 , wherein the controller processes the data to measure inter-conductor spacing between the conductors.9. A transmission line monitoring method claim 1 , comprising:using a clearance sensor to measure conductors of a transmission line; andprocessing data from the clearance sensor to assess transmission line conductors including their geometry and/or motion.10. A method for measuring electric power flow along one or more conductors claim 1 , comprising:measuring an electric and/or magnetic field of the one or more conductors;measuring a position of the conductors; andusing the position to improve an estimation of the power being transmitted by the conductors from the electric and/or magnetic field measurement.11. A method as ...

WIND DIRECTION AND WIND VELOCITY MEASURING APPARATUS FOR WIND TURBINE, AND DEVICE AND METHOD FOR CONTROLLING YAW ANGLE OF WIND TURBINE BY USING SAME

A technical object of the present disclosure is to provide an anemometer for a wind turbine which is capable of precisely measuring a wind velocity and a wind direction. To this end, an anemometer for a wind turbine of the present disclosure is an anemometer for a wind turbine which is used for a wind turbine including a plurality of rotating blades and a hub which is equipped at a rotation center of the plurality of rotating blades and has a nosecone and is equipped in the nosecone. 1. An anemometer for a wind turbine which is used for a wind turbine including a plurality of rotating blades and a hub which is equipped at a rotation center of the plurality of rotating blades and has a nosecone ,wherein the anemometer is equipped in the nosecone.2. The anemometer according to claim 1 , comprising:a first ultrasonic sensor which oscillates a first ultrasonic wave and receives a second ultrasonic wave;a second ultrasonic sensor which oscillates the second ultrasonic wave and receives the first ultrasonic wave;a third ultrasonic sensor which oscillates a third ultrasonic wave in a first direction intersecting the first ultrasonic wave and receives a fourth ultrasonic wave in a second direction opposing to the first direction; anda fourth ultrasonic sensor which oscillates the fourth ultrasonic wave in the second direction and receives the third ultrasonic wave in the first direction,wherein the first and second ultrasonic sensors measure a first wind velocity in the same direction as the transmitting direction of the first ultrasonic wave andthe third and fourth ultrasonic sensors measure a second wind velocity in the same direction as the transmitting direction of the third ultrasonic wave.4. The anemometer according to claim 3 , wherein the support unit includes:a center support shaft which is equipped in the nosecone to be disposed to coincide with an axial direction of the rotary shaft;a first support member which is branched at a distal end of the center support ...

FLUID MOVEMENT SENSOR WITH INSTRUMENTED CENTERBODY

A fluid sensing device includes an outer shell, a three-axis force and moment balance, a strut, and a centerbody. The outer shell has an inlet at a first end of the outer shell, an aft vent at an opposing second end of the outer shell, and an interior space connecting the inlet and the aft vent. The three-axis force and moment balance is positioned in the interior space of the outer shell. The strut is connected to the outer shell and the three-axis force and moment balance such that the strut supports the three-axis force and moment balance in the interior space. At least a portion of the centerbody is positioned in the interior space of the outer shell. The centerbody is connected to the three-axis force and moment balance such that the three-axis force and moment balance is configured to measure force, moment, and/or movement of the centerbody. 1. A fluid sensing device , the fluid sensing device comprising:an outer shell, the outer shell having an inlet at a first end of the outer shell, an aft vent at an opposing second end of the outer shell, and an interior space connecting the inlet and the aft vent;a three-axis force and moment balance positioned in the interior space of the outer shell;a strut connected to the outer shell and the three-axis force balance, the strut supporting the three-axis force balance in the interior space; anda centerbody, at least a portion of the centerbody positioned in the interior space of the outer shell, the centerbody being connected to the three-axis force and moment balance such that the three-axis force balance is configured to measure force and/or movement of the centerbody relative to the outer shell.2. The fluid sensing device of claim 1 , wherein the device includes only one strut connected to the outer shell and supporting the centerbody in the interior space.3. The fluid sensing device of claim 1 , wherein the device includes three struts connected to the outer shell and supporting the centerbody in the interior space. ...

Method and System for Measuring a Perpendicular Wind Component

The present invention concerns a method for measuring a perpendicular wind speed component with respect to a suspended cable span (), comprising the steps of monitoring a motion of at least one point of said suspended cable span () over a time interval, and determining whether said motion comprises an Aeolian vibration. If said motion is not determined to comprise an Aeolian vibration, a transverse swing angle of the suspended cable span () is measured and said perpendicular wind speed component is calculated as a function of said transverse swing angle, whereas if said motion is determined to comprise an Aeolian vibration, a frequency of said Aeolian vibration is measured and said perpendicular wind speed component is calculated as a function of said Aeolian vibration frequency. The present invention also relates to methods for measuring an effective incident radiation and for determining a maximum allowable current rating, or “ampacity”, for the suspended cable span, as well as for supplying electric power over a power line comprising said power span. It also relates to systems for implementing any one of these methods. 1. Method for measuring a perpendicular wind speed component with respect to a suspended cable span , comprising the following steps:monitoring a motion of at least one point of said suspended cable span over a time interval;determining whether said motion comprises an Aeolian vibration, and:if said motion is not determined to comprise an Aeolian vibration, measuring a transverse swing angle of the suspended cable span and calculating said perpendicular wind speed component as a function of said transverse swing angle;if said motion is determined to comprise an Aeolian vibration, measuring a frequency of said Aeolian vibration and calculating said perpendicular wind speed component as a function of said Aeolian vibration frequency.2. Method according to claim 1 , wherein said function of the Aeolian vibration frequency is a linear proportional ...

YAW AND PITCH ANGLES

Methods for determining a yaw angle and a pitch angle cycle for a wind turbine are disclosed. The methods comprise measuring during a measuring time a wind speed and a wind direction at a plurality of measuring heights between the maximum and minimum height at the wind site, determining an average wind speed and an average wind direction for each of the measuring heights during the measuring time, and determining a wind speed distribution and wind direction distribution between the maximum height and the minimum height, and determining one or more yaw-pitch combinations of yaw angle and pitch angle cycles as a function of an azimuth position of a rotor blade that lead to a desired angle of attack along the rotor swept area. The present disclosure further relates to methods of operating a wind turbine and suitable wind turbines. 1. A method of determining a yaw angle and a pitch angle cycle for a wind turbine located at a wind site , the wind turbine havinga support structure,a nacelle rotatably mounted upon the support structure,a generator and a system for varying a torque of the generator,a rotor with a plurality of blades defining a rotor swept area between a maximum height and a minimum height, and operationally connected with the generator,a pitch mechanism for each of the blades for rotating the blades around their longitudinal axes, determining pitch angles for the blades and having a maximum pitch speed, anda yaw system for rotating the nacelle around a longitudinal axis of the tower, measuring during a measuring time a wind speed and a wind direction at a plurality of measuring heights between the maximum and minimum height at the wind site;', 'determining an average wind speed and an average wind direction for each of the measuring heights during the measuring time;', 'determining a wind speed distribution and wind direction distribution between the maximum height and the minimum height based on the average wind speed and average wind direction for each of ...

APPARATUS FOR DETERMINING AND/OR MONITORING AT LEAST ONE PROCESS VARIABLE

The present disclosure relates to an apparatus for determining and/or monitoring a process variable of a medium in a containment, including an oscillatable unit with a membrane, three rods secured to the membrane and extending perpendicularly to a base area of the membrane, a housing, wherein the rods extend into the housing a driving/receiving unit disposed at an end region of the rods and configured to excite the oscillatable unit and transduce mechanical oscillations into a received signal, and an electronics unit configured to produce an exciter signal from the received signal and to ascertain the process variable at least from the received signal. At least one of the rods is secured to the membrane at a site on the base area where the second derivative of the deflection of the membrane from a rest position as a function of the site on the base area is essentially zero. 114-. (canceled)15. An apparatus for determining and/or monitoring a process variable of a medium in a containment , the apparatus comprising:an oscillatable unit with a membrane having a base area, which can be caused to execute mechanical oscillations;at least three rods attached to the membrane and extending perpendicular to the base area of the membrane;a housing, wherein the membrane forms at least a portion of a wall of the housing, and wherein the rods extend into the housing;a driving/receiving unit disposed opposite the membrane in an end region of the at least three rodsand configured to excite the oscillatable unit using an electrical exciting signal via the at least three rods to execute mechanical oscillations, to receive the mechanical oscillations of the oscillatable unit, and to transduce the mechanical oscillations into an electrical received signal; andan electronics unit configured to generate an exciter signal from the received signal and to ascertain the process variable at least from the received signal,wherein at least one of the at least three rods is attached to the ...

Mechanical strain-based weather sensor

Provided herein is technology relating to weather sensors and particularly, but not exclusively, to devices, methods, and systems related to collecting weather data by measuring bending and compression stresses in a weather sensor device.

DISTRIBUTED WEATHER MONITORING SYSTEM

A distributed weather system includes a storage, a plurality of wireless weather stations, a server, and an interface. Each of the plurality of wireless weather stations is associated with a user and has a battery, a location sensor generating location information, an anemometer generating apparent wind speed, a transmitter transmitting the location information with the apparent wind speed to a network at periodic intervals, and a receiver receiving control commands that include a length of the periodic intervals. The server receives the location information with the apparent wind speed and stores them in the storage. The interface is accessible by a mobile computer, and receives the control commands from a user and sends them to the receiver of the wireless weather station associated with the user. The interface displays a true wind speed for each of the plurality of wireless weather stations, which is calculated using the apparent wind speed, the location information, and historical location information.

Acoustic Vector Sensor

An acoustic vector sensor (“AVS”) includes one or more sensitive elements arranged in an orthogonal configuration to provide high-sensitivity directional performance. The one more sensitive elements may be seismometers arranged in a pendulum-type configuration. The AVS further includes a hydrophone. 1. An acoustic vector sensor system comprising:a housing including therein at least three acoustically sensitive elements arranged in a 3-axis orthogonal configuration; andat least one omni-directional hydrophone.2. The acoustic vector sensor system of claim 1 , further comprising a pendulum assembly including the at least three acoustically sensitive elements connected to an interior portion of the housing via a pendulum mount.3. The acoustic vector sensor system of claim 1 , further comprising:a set of electronics for receiving analog signals from the one or more sensitive elements and for pre-amplifying the analog signals therefrom.4. The acoustic vector sensor system of claim 1 , wherein the housing is filled with a fluid.5. The acoustic vector sensor system of claim 1 , wherein the one or more sensitive elements are seismometers.6. The acoustic vector sensor system of claim 1 , wherein the at least three acoustically sensitive elements includes six seismometers claim 1 , wherein three pairs of the six seismometers are arranged in a different direction of the 3 axis.7. The acoustic vector sensor system of claim 1 , wherein the system further includes a flotation mechanism.8. An acoustic vector sensor system comprising:a waterproof housing containing therein a pendulum assembly, the pendulum assembly being attached to an interior portion of the waterproof housing via a pendulum mount and including therein an arrangement of seismometers;a flotation mechanism, wherein the waterproof housing is secured to the flotation mechanism; andat least one omni-directional hydrophone.9. The acoustic vector sensor system of claim 8 , wherein the arrangement of seismometers includes ...

Self-Illuminating Windsock

An illuminated windsock, including a windsock assembly coupled to a windsock. The windsock assembly may comprise a base in which a windsock ring is attached. The windsock ring is coupled to the windsock, attaching the windsock to the windsock assembly. A housing provides for the rotation of the ring and base around a vertical axis. The windsock assembly may further include a mount to secure the windsock assembly to a structure and a light shade to house an illumination device. Solar panels or cells may be present to provide energy for the illumination device. 1. A system for placement of a windsock assembly at an outlying oil and gas facility comprising:a windsock assembly base comprising:a ring to receive a windsock;a housing providing for rotation of the ring around a vertical axis of the windsock assembly;a mount to secure the windsock assembly base to a conduit or structure;a light shade to contain a light; anda solar panel or cell that supplies power to the light.2. The windsock assembly of claim 1 , further comprising the windsock coupled to the ring to form the windsock assembly comprising the windsock assembly base and the windsock.3. The windsock assembly of claim 1 , wherein the windsock is connected to the ring with a cable tie.4. The windsock assembly of claim 1 , wherein the ring is supported by a plurality of legs.5. The windsock assembly of claim 4 , wherein the legs connect the ring to the housing.6. The windsock assembly of claim 1 , comprising a rechargeable battery coupled to the solar panel or cell and the light.7. The windsock assembly of claim 1 , wherein the light shade is translucent.8. The windsock assembly of claim 1 , wherein the light is a LED.9. The windsock assembly of claim 8 , wherein the light is positioned above the windsock to illuminate the windsock.10. The windsock assembly of claim 8 , wherein the light is positioned in line with the windsock to illuminate the inside of the windsock.11. The windsock assembly of claim 1 , wherein ...

SYSTEM AND METHOD FOR DETERMINING WIND DIRECTION AND VELOCITY MEASUREMENT FROM ALTITUDE FOR AN UNMANNED AERIAL VEHICLE

Wind speed and direction experienced by the UAV at altitude is determined by placing an accelerometer, gyroscope and compass on the UAV. A change in velocity experienced by the UAV is determined by the accelerometer. An orientation relative to a reference plane and an angular velocity experienced by the UAV is determined by the gyroscope. A magnetic bearing of the UAV is determined with the compass. A roll and pitch exhibited by the UAV is determined as a function of the change in velocity, orientation and change in angular velocity. Projected roll and projected pitch vectors onto a horizontal plane cutting through the center of rotation of the UAV are determined as a function of the roll and the pitch. The wind speed of the wind experienced by the UAV is determined as a function of the projected roll vector and projected pitch vector. The wind direction is determined as a function of the projected roll vector and projected pitch vector and the magnetic bearing of the UAV. 1. A method for determining wind speed and wind direction experienced by an unmanned aerial vehicle at altitude comprising the steps of:placing an accelerometer, a gyroscope and a compass on the unmanned aerial vehicle;determining a change in velocity experienced by the unmanned aerial vehicle with the accelerometer;determining an orientation of the unmanned aerial vehicle relative to a reference plane and an angular velocity experienced by the unmanned aerial vehicle with the gyroscope;determining a magnetic bearing of the unmanned aerial vehicle with the compass;determining a projected roll vector and a projected pitch vector onto a horizontal plane cutting through the center of rotation of the unmanned aerial vehicle as a function of the roll and pitch of the unmanned aerial vehicle in response to known wind conditions;determining a wind speed of a wind experienced by the unmanned aerial vehicle as a function of the projected roll vector and the projected pitch vector; anddetermining a wind ...

METHOD AND ARRANGEMENT FOR CONTINUOUS CALIBRATION OF A WIND DIRECTION MEASUREMENT

A method for calibrating a wind direction measurement for a wind turbine is provided. The method including: measuring plural samples of a relative wind direction representing a difference angle between a real wind direction and an orientation of a measurement equipment, in particular a direction orthogonal to a rotor blade plane, to obtain plural measured relative wind directions; deriving a measured relative wind direction change based on the measured relative wind directions; measuring plural samples of a performance parameter indicating a performance of the wind turbine; deriving a performance change based on the plural samples of the performance parameter; determining a correlation value between the measured relative wind direction change and the performance change; measuring further plural samples of the relative wind direction; and correcting the further measured relative wind directions based on the correlation value, to obtain corrected further measured relative wind directions. 1. A method for performing a wind direction measurement for a wind turbine , the method comprising:measuring plural samples of a relative wind direction representing a difference angle between a real wind direction and an orientation of a measurement equipment, to obtain plural measured relative wind directions, wherein the orientation is a direction orthogonal to a rotor blade plane;deriving a measured relative wind direction change based on the measured relative wind directions;measuring plural samples of a performance parameter indicating a performance of the wind turbine;deriving a performance change based on the plural samples of the performance parameter;determining a correlation value between the measured relative wind direction change and the performance change;measuring further plural samples of the relative wind direction; andcorrecting the further measured relative wind directions based on the correlation value, to obtain corrected further measured relative wind directions ...

OMNI-DIRECTIONAL ANEMOMETER

An omni-directional anemometer may include a housing, a cavity, and a plurality of ports in fluid communication with the atmosphere. The ports may include at least one sensor configured to measure air pressure. The robust housing may be formed by additive manufacturing, casting, machining, or molding. The anemometer may include a controller configured to determine wind speed and direction using the air pressure measurement signals from the at least one sensor. The anemometer may include a communication module configured to send and/or receive signals from the at least one sensor and the controller using wired and/or wireless communication. The communication module may send or receive signals to or from a network, a server, a vehicle, a structure, and/or a user interface. The anemometer may include a power supply connected to the at least one sensor, controller and/or communication module. 1. A system for measuring wind speed and direction comprising:a housing, wherein the housing defines a cavity;a plurality of ports disposed about the housing, the ports disposed between the exterior of the housing and the cavity, and disposed in fluid communication with the atmosphere; andat least one sensor, disposed in the cavity, wherein the at least one sensor is in fluid communication with the plurality of ports, and wherein the at least one sensor is configured to measure air pressure and send air pressure measurement signals.2. The system for measuring wind speed and direction as set forth in claim 1 , wherein the housing is further defined by a top portion claim 1 , one or more side portions claim 1 , and a bottom portion.3. The system for measuring wind speed and direction as set forth in claim 2 , further comprising:an access panel for accessing the cavity; anda mounting device for selectively securing the housing to a vehicle and/or structure.4. The system for measuring wind speed and direction as set forth in claim 1 , wherein the housing is formed by one of additive ...

Electronic vaporizing device with weather detection functionality

The present disclosure is directed to an electronic vaporizing device having a weather detection functionality or component for detecting a plurality of weather data associated with an environment proximate to the weather detection component, analyzing the plurality of detected weather data to determine at least one weather condition, and outputting the data and/or analysis to a user of the device. The determination of the weather condition and generation of the plurality of weather status data is based on a plurality of weather data capture parameters and a plurality of weather detection device operating parameters.

ACOUSTIC AIR DATA SENSING SYSTEMS WITH SKIN FRICTION SENSORS

An acoustic air data sensing system includes an acoustic transmitter, a plurality of acoustic receivers, and a skin friction sensor. The acoustic transmitter is located to transmit an acoustic signal into airflow about an exterior of a vehicle. Each of the acoustic receivers is located at a respective angle from a wind angle reference line and a respective distance from the acoustic transmitter. The skin fiction sensor is positioned in a boundary layer region of the airflow that interacts with the acoustic receivers and transmitter. Based on time of flight values of the acoustic signal from the transmitter to each of the receivers and a skin friction measurement from the skin friction sensor as inputs to a transformation matrix, the acoustic air data sensing system outputs, from the transformation matrix, the true airspeed, the relative wind angle, and the speed of sound for operational control of the vehicle. 1. An acoustic air data sensing system comprising:an acoustic transmitter located on a vehicle being configured to transmit an acoustic signal into airflow about an exterior of the vehicle;a plurality of acoustic receivers, each of the plurality of acoustic receivers located at a respective angle from a wind angle reference line and a respective distance from the acoustic transmitter being configured to receive the acoustic signal;a skin friction sensor positioned in a boundary layer region of the airflow that interacts with the acoustic transmitter and the plurality of acoustic receivers; and determine respective times of flight of the acoustic signal from the acoustic transmitter to each of the plurality of acoustic receivers;', 'determine a measured skin friction value indicative of a parameter of the boundary layer region;', 'determine at least one of a true airspeed of the airflow, a relative wind angle of the airflow, and a speed of sound in the airflow based on the respective times of flight of the acoustic signal and the measured skin friction value; ...

Control method, master controller system, and central controller for wind turbines

A start control method for wind turbines (102), comprising: a master control determines whether its real-time wind speed reaches a preset start wind speed when a wind speed of at least one wind turbine (102) or anemometer tower in a wind farm reaches or exceeds the preset start wind speed; the master controller updates a corresponding number simulative start times when determining that its real-time wind speed reaches or exceeds the preset start wind speed, and starts the wind turbine (102) when the number of simulative start times reaches a preset count value. The present invention also relates to a master controller, a system, and a central controller for wind turbines (102).

SYSTEM AND METHOD FOR AIRSPEED DETERMINATION

A method for determining airspeed of an aircraft that includes determining a rotor model relating a power coefficient of a propeller of the aircraft to an axial inflow velocity through the propeller as a function of a set of rotor operating parameters; determining the set of rotor operating parameters by sampling an electronic control signal associated with an electric motor actuating the propeller; computing the axial inflow velocity through the propeller based on the set of rotor operating parameters using the rotor model; and determining the airspeed based on the axial inflow velocity. 1. A method for an aircraft comprising:determining a set of propeller operating parameters based on an electronic control signal controlling actuation of a propeller;determining an inflow velocity through the propeller based on the set of propeller operating parameters and a propeller model relating a power coefficient of the propeller of the aircraft to the inflow velocity through the propeller; anddetermining a vehicle state parameter of the aircraft based on the inflow velocity through the propeller.2. The method of claim 1 , wherein the inflow velocity comprises an axial inflow velocity.3. The method of claim 1 , wherein the set of rotor operating parameters further comprises a tilt angle of the propeller claim 1 , wherein determining the vehicle state parameter further comprises modifying at least one of the inflow velocity by a correction factor relating the tilt angle of the propeller to the inflow velocity4. The method of claim 1 , wherein vehicle state parameter comprises an airspeed of the aircraft.5. The method of claim 4 , wherein the airspeed of the aircraft is not determined by an airflow sensor unless a trigger condition is satisfied.6. The method of claim 5 , wherein the trigger condition comprises an inflow velocity exceeding a threshold.7. The method of claim 6 , wherein the threshold comprises a slipstream velocity value behind the propeller.8. The method of ...

APPROACH TO ASSESS AVAILABLE WIND RESOURCE DISTRIBUTION BASED ON INTERPOLATION METHOD

An approach to assess available wind resource distribution based on interpolation method includes following steps. A correlation coefficient is obtained between each two of a number of anemometer towers, and a number of first groups are formed by grouping the anemometer towers for the first time with the shortest distance clustering method. A number of second groups are obtained by grouping the plurality of anemometer towers in each of the first groups for the second time, wherein anemometer towers are grouped with absolute value of differences of mean wind velocity between each two of the anemometer towers. A number of values of wind velocity and wind direction at an target point are obtained through at least two anemometer towers in one of the second groups by the inverse distance weighting method, wherein the at least two anemometer towers are nearest to the target point. 1. An approach to assess available wind resource distribution based on interpolation method comprising:calculating a correlation coefficient between each two of a plurality of anemometer towers, and forming a plurality of first groups by grouping the plurality of anemometer towers for the first time with the shortest distance clustering method, wherein values of wind velocity and wind direction of the two of the plurality of anemometer towers are taken as two different random variable;forming a plurality of second groups by grouping the plurality of anemometer towers in each of the plurality of first groups for the second time, wherein the plurality of anemometer towers are grouped with absolute value of differences of mean wind velocity between each two of the plurality of anemometer towers; andobtaining a plurality of values of wind velocity and wind direction at an target point through at least two anemometer towers in one of the plurality of second groups by the inverse distance weighting method, wherein the at least two anemometer towers are nearest to the target point.2. The approach of ...

A wind turbine component having an optical fibre wind sensor

The application relates to a wind turbine component 18 having an optical fibre sensor 10 arranged to detect the wind speed over the surface of the component. In one embodiment, the optical fibre sensor 10 has a light loss portion 15 that allows some of the light transmitted in the core 11 of the optical fibre to escape. The amount that the optical fibre bends in the air flow across the surface causes the effective surface area of the light loss portion 15 to increase or decrease. With increased or decreased surface area of the light loss portion, more or less light is lost from the fibre. The intensity of the light transmitted in the fibre can therefore be used as a measure of the amount of bending, and therefore as a measure of the air flow's speed. In other embodiments, the optical fibre can comprise optical gratings, such as Fibre Bragg Gratings or Long Period Gratings. Further embodiments use interferometry to measure the extension of the optical fibre.

Method and system for estimating and predicting airflow around air vehicles

A method, system, and sensor for air flow sensing. The system can include a cantilever, a transducer, and a processing module. The method can include measuring beam deflections of one or more cantilevers, extracting information about air flow, and determining one or more of an airspeed, an angle of attack, and a sideslip, based on extracted information. The system and method can exploit nonlinearities in the behavior of the cantilever in fluid flow.

METHOD AND SYSTEM FOR CALIBRATING A WIND VANE

A method and a system for calibrating a wind vane of a wind turbine, a method for monitoring a wind turbine, and a method for operating a wind turbine are provided. The method comprises: measuring a first wind speed by means of a first anemometer, a second wind speed by means of a second anemometer, and a wind direction by means of the wind vane, a multiplicity of measurement values being recorded over a defined time period; determining differences between the first wind speed and the second wind speed at least substantially at the same instants in each case; determining a model function for a relationship between measured wind directions and determined differences that correspond at least substantially to the same instants, at least one first model function being determined for a first wind-speed bin and at least one second model function (being determined for a second wind-speed bin; determining at least one intersection point value of the measured wind direction at which the first model function and the second model function intersect; and outputting the intersection point value as an installation angle of the wind vane. 1. A method for calibrating a wind vane of a wind turbine that is arranged , together with two anemometers , on a leeward side of a rotor of the wind turbine , comprising:measuring a first wind speed by means of a first anemometer, a second wind speed by means of a second anemometer, and a wind direction by means of the wind vane, a multiplicity of measurement values being recorded over a defined time period;determining differences between the first wind speed and the second wind speed at least substantially at the same instants in each case; determining a model function for a relationship between measured wind directions and determined differences that correspond at least substantially to the same instants, at least one first model function being determined for a first wind-speed bin and at least one second model function being determined for a ...

MECHANICAL STRAIN-BASED WEATHER SENSOR

Provided herein is technology relating to weather sensors and particularly, but not exclusively, to devices, methods, and systems related to collecting weather data by measuring bending and compression stresses in a weather sensor device. 146-. (canceled)47. A method for providing hail data to an insurance agency , the method comprising:a) collecting hail data using a weather-sensing apparatus; andb) providing said hail data to an insurance agency.48. The method of wherein said weather-sensing apparatus comprises:i) a rigid fixture;ii) a drag-generating component directly attached to said rigid fixture by a plurality of strain sensors; andiii) a processor configured to produce hail data from signals provided by said plurality of strain sensors.49. The method of further comprising producing a time series of hail data.50. The method of wherein said hail data comprises hail size.51. The method of wherein said hail data comprises hail energy claim 47 , hail momentum claim 47 , hail volume claim 47 , hail density claim 47 , number of individual hail impacts claim 47 , hail direction claim 47 , and/or hail velocity.52. The method of further comprising providing an alert to an insurance agency.53. The method of further comprising predicting hail impacts using said hail data.54. The method of further comprising producing historical hail data.55. The method of further comprising producing a statistical analysis of historical hail data.56. The method of further comprising producing a statistical analysis of real-time hail data.57. The method of further comprising modeling or predicting hail using historical hail data and real-time hail data.58. The method of wherein said processor is configured to process said signals by frequency analysis to determine an amount of hail impacting the device during a time period.59. The method of wherein said weather-sensing apparatus further comprises an accelerometer and/or a sound sensor.60. The method of wherein providing hail data to an ...

SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR DETERMINING A NUISANCE GENERATED BY AN INDUSTRIAL INSTALLATION, AND INDUSTRIAL INSTALLATION EQUIPPED WITH THE SYSTEM

Disclosed is a system for determining a level of nuisance generated by an industrial installation, including at least one aerial drone, the aerial drone being controllable to move to a measurement point above the industrial installation, and to determine, at the measurement point, by way of at least one sensor fitted to the aerial drone, at least one level of a quantity generating the nuisance, the system furthermore including a treatment unit configured to determine the nuisance level on the basis of the level of the sensed quantity 1100200300304306400. A system for determining () a nuisance level generated by an industrial installation () , comprising at least one aerial drone () , said aerial drone being controllable for moving to a measuring point above or near said industrial installation , and for determining , at the measuring point , at least one level of a quantity generating said nuisance , by means of at least one sensor ( , ) fitted to said aerial drone , said system further comprising a processing unit () configured for determining said level of nuisance based on said level of said sensed quantity.2. The system as claimed in claim 1 , further comprising means for regulating the nuisance generated by the industrial installation claim 1 , servo-controlled according to the determined level of nuisance.3304. The system as claimed in claim 1 , wherein the at least one sensor is an anemometer ().4. The system as claimed in claim 1 , wherein the at least one sensor is a sound sensor.5306. The system as claimed in claim 1 , wherein the at least one sensor is a gas concentration sensor ().6. The system as claimed in claim 1 , wherein the aerial drone is fitted with a boom arranged for having the sensor at a distance from said aerial drone.7. The system as claimed in claim 1 , further comprising wireless communication means fitted in the aerial drone and the industrial installation and configured for establishing wireless communication between the aerial drone ...

METHOD AND APPARATUS FOR ARRANGING WIND TURBINES BASED ON RAPID ACCESSMENT FLUID MODEL AND WAKE MODEL

A method and an apparatus for arranging wind turbines based on a rapid assessment fluid model and a wake model. The method for arranging wind turbines includes: calculating, via a rapid assessment fluid model and based on an anemometry data of a predetermined area in a wind farm, a flow field data of the predetermined area in the wind farm; selecting a first wind-speed area from the predetermined area in the wind farm based on at least one of an occupied area limitation, a gradient limitation, a turbulence limitation or a wind speed limitation; and calculating, via a differential evolution algorithm, coordinates for arranging wind turbines that make annual power production of each wind turbine in the first wind-speed area highest. The annual power production of each wind turbine in the first wind-speed area is calculated based on the flow field data and the wake model. 1. A method for arranging wind turbines , comprising:calculating, via a rapid assessment fluid model and based on an anemometry data of a predetermined area in a wind farm, flow field data of the predetermined area in the wind farm;selecting a first wind-speed area from the predetermined area in the wind farm based on at least one of: an occupied area limitation, a gradient limitation, a turbulence limitation or a wind speed limitation;calculating, via a differential evolution algorithm, coordinates for arranging wind turbines to acquire a scheme for arranging wind turbines, wherein the coordinates for arranging wind turbines make annual power production of each of a plurality of wind turbines in the first wind-speed area highest, the scheme for arranging wind turbines makes annual power production of the first wind-speed area highest; andarranging the plurality of wind turbines in the first wind-speed area based on the coordinates for arranging wind turbines;wherein the annual power production of each of the plurality of wind turbines in the first wind-speed area is calculated based on the flow field ...

DISTRIBUTED WEATHER MONITORING SYSTEM

A distributed weather system includes a storage, a plurality of wireless weather stations, a server, and an interface. Each of the plurality of wireless weather stations is associated with a user and has a battery, a location sensor generating location information, an anemometer generating apparent wind speed, a transmitter transmitting the location information with the apparent wind speed to a network at periodic intervals, and a receiver receiving control commands that include a length of the periodic intervals. The server receives the location information with the apparent wind speed and stores them in the storage. The interface is accessible by a mobile computer, and receives the control commands from a user and sends them to the receiver of the wireless weather station associated with the user. The interface displays a true wind speed for each of the plurality of wireless weather stations, which is calculated using the apparent wind speed, the location information, and historical location information. 1. A weather monitoring system , comprising: a sensor generating velocity information indicative of both speed and direction of movement of the wireless weather station;', 'a processor receiving an apparent wind signal from an anemometer, the apparent wind signal being indicative of both apparent speed and apparent direction of the wind; and', 'a transmitter transmitting the velocity information and apparent wind signal to a network;, 'a wireless weather station havinga server receiving the velocity information and apparent wind signal; andan interface displaying true wind data for the wireless weather station, the true wind data calculated from the apparent wind signal and velocity information.2. The weather monitoring system of claim 1 , wherein the wireless weather station further comprises another sensor for generating location information;the location information is transmitted by the transmitter to the network;the server associates the velocity information ...

Flowfield sensors for monitoring liquid flow

Data relating to fluid dynamics is obtained using a flow field sensor that measures acceleration and angular velocity of the sensor on three axes. Ballast control allows the sensor to obtain neutral buoyancy within the fluid. The sensor is effective in opaque fluids and closed containers as data is stored in a removable memory. Froth flotation systems are among the applications for the sensor. The small size, the geometry, and the center of mass of the sensor allow it to follow the flow field in a vessel without material disruption of the flow field or weight-induced angular displacement.

VIBRATORY APPARATUS WITH ELECTRO-MECHANICAL SENSOR

A vibratory apparatus includes a deck, an electro-mechanical sensor and at least one vibratory exciter. The deck has an upper surface configured to receive items to be conveyed in at least a first direction along a longitudinal axis from a first deck end to a second deck end. The electro-mechanical sensor includes a wheel disposed above the upper surface of the deck, the wheel being rotatable about a wheel axis disposed transverse to the longitudinal axis, and an electronic sensor associated with the wheel, the electronic sensor configured to generate a signal representative of the revolutions per unit time of the wheel. The at least one vibratory exciter is attached to the deck and is configured to move the material along the deck.

風向風速計

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Wind tunnel test system

풍력 시험부의 턴테이블 하부에 별도의 밸런스 챔버를 구성하여 상기 풍력 시험부와 밸런스 챔버 내부의 공기압 차이를 제거하여 실차 공력 풍동 시험시, 휠 패드에 작용하는 양력을 소멸시켜 정확한 실차 공력 풍동 시험에 의한 차체의 공력 특성을 산출할 수 있도록 하는 실차 공력 풍동 시험용 시스템을 제공할 목적으로, A separate balance chamber is formed in the lower part of the turntable of the wind test part to remove the air pressure difference between the wind test part and the balance chamber, thereby eliminating the lift force acting on the wheel pads. In order to provide a system for testing aerodynamic wind tunnel of a real vehicle that can calculate the aerodynamic characteristics of 외부와 차단된 풍동 시험부의 전방에는 풍동 노즐부가 구성되고, 그 후방에는 확산부가 구성되며, 상기 풍동 시험부 내부에는 그 바닥면에 차체의 타이어가 얹혀지도록 4개의 휠 패드를 구성한 턴테이블이 구성되며, 상기 턴테이블의 하부에는 상기 4개의 휠 패드와 아암을 통하여 밸런스 시스템이 연결되어 상기 휠 패드로부터 전달되는 힘을 전달받아 밸런스 신호를 출력하도록 구성되는 실차 공력 풍동 시험용 시스템에서, A wind tunnel nozzle unit is formed at the front of the wind tunnel test unit, which is blocked from the outside, and a diffusion unit is formed at the rear of the wind tunnel test unit. A turntable including four wheel pads is configured to place a tire of the vehicle body on the bottom surface of the wind tunnel test unit. In the lower part of the turntable, a balance system is connected through the four wheel pads and the arms, and receives a force transmitted from the wheel pads and outputs a balance signal. 상기 밸런스 시스템을 내부에 포함하도록, 상기 풍동 시험부의 바닥면 턴테니블 하부에 외부와 기밀이 유지되도록 설치되는 밸런스 챔버와; 상기 풍동 시험부 내부의 휠 패드 일측과 밸런스 챔버 내부의 공기압 차이를 검출하여 밸런스 챔버 내부의 공기압을 조절하여 상기 공기압 차이를 제거하도록, 상기 밸런스 챔버에 구성되는 압력제어수단을 포함하는 것을 특징으로 하는 실차 공력 풍동 시험용 시스템을 제공한다. A balance chamber installed to keep the outside and airtight under the bottom turntable of the wind tunnel test part to include the balance system therein; And a pressure control means configured in the balance chamber to detect the difference in air pressure between one side of the wheel pad inside the wind tunnel test unit and the balance chamber to adjust the air pressure inside the balance chamber to remove the difference in air pressure. Provides a real vehicle ...

Low cost ultrathin chromium doped carbon rod for enhancing the resolution on the axis of acceleration sensor

본 발명은 가속도 센서축 분해능 향상을 위한 저가 초박형 크롬 도핑 탄소봉에 관한 것으로, 지지대인 플라스틱 봉; 및 플라스틱 봉에 형성되는 크롬 도핑 탄소 코팅층을 포함하는 크롬 도핑 탄소봉을 제공한다. The present invention relates to a low-cost ultra-thin chrome-doped carbon rod for improving acceleration resolution of an acceleration sensor, And a chromium-doped carbon coating layer formed on the plastic rods.

Road Ice Response System

The present invention relates to a road thin ice response system, capable of increasing accuracy and efficiency, which comprises: a sensor unit (50) including an anemometer (10), a road surface temperature sensor (20), an atmospheric pressure sensor (30), and a temperature and humidity sensor (40); an analysis module (500) for predicting a road thin ice; a remote controller (600) for operating and controlling a brine spray device; and a display unit (700) for displaying a road condition.

Device for testing face wind speed and face temperature of automobile driver and using method thereof

一种汽车驾驶员面部风速和温度测试装置，包括垂直调节支座、水平调节支座、固定支座、风速温度测试仪、刻度尺、铅锤，水平调节支座的底部与垂直调节支座的顶端固定连接，固定支座的后端与水平调节支座的前端固定连接，固定支座的前端与刻度尺固定连接，风速温度测试仪位于刻度尺上且可沿刻度尺的长度方向移动，铅锤的上端固定在刻度尺的中线处，使用时，通过调节风速温度测试仪至对应的测量点，同时调节空调的风量，调整出风格栅的方向即可测得驾驶员面部的风速与温度。该设计不仅实现了驾驶员面部风速和温度直观的测量，而且结构简单、使用方便、成本低廉。

Converter oxygen lance jet flow simulation detection system and detection method thereof

本发明公开了一种转炉氧枪射流的模拟检测系统及其检测方法，包括通过供气管道依次连接的储气罐、减压阀、单向阀、调节阀、流量计和氧枪喷管，氧枪喷管上的出口相对位置还设置有射流检测装置，调节阀与流量计之间还设有压力表。本发明通过模拟不同氧枪尺寸结构和吹炼工艺条件的射流流股，能够检测射流到达熔池表面时的速度大小及其分布，用以评估射流与熔池的接触面积和对熔池的搅拌强度。