Настройки

Укажите год
-

Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

Подробнее
-

Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год

Применить Всего найдено 50. Отображено 50.
27-05-2015 дата публикации

Natural gas purification process modeling optimization method based on unscented kalman neural network

Номер: CN104656441A
Принадлежит:

The invention aims to overcome the disadvantages in the prior art, and provides a natural gas purification process modeling optimization method based on an unscented kalman neural network. The natural gas purification process modeling optimization method comprises the following steps: determining input variables; collecting process production data; carrying out preprocessing on the data; carrying out data normalization processing; adopting the unscented kalman neural network to carry out modeling on the data to obtain a model; designing a preference function by using two output variables of the model of the unscented kalman neural network, and applying a multi-target genetic algorithm to optimize the input variables; disaggregating the input variables after being optimized and bringing in the model of the unscented kalman neural network in sequence, calculating the two output values of the model at the time, comparing with a sample value average value, and observing the optimization effect ...

Подробнее
27-05-2015 дата публикации

Abnormity detection and diagnosis method for non-gaussian dynamic high-sulfur natural gas purification process

Номер: CN104656635A
Принадлежит:

The invention discloses an abnormity detection and diagnosis method for a non-gaussian dynamic high-sulfur natural gas purification process. The diagnosis method comprises the following steps: randomly collecting high-sulfur natural gas purification process data to form an original measurement sample set; preprocessing the data; determining the time delay order of the model by analyzing an industrial process autoregression model, then projecting the data to a nuclear independent element space, and realizing abnormity detection by monitoring whether the statistics of T2 and SPE corresponding to an independent element is beyond the control limit set under the normal state or not; finally, calculating a first-order partial derivative of the statistics of T2 for original variables, drawing the contribution chart of the first-order partial derivative, and thus realizing abnormity diagnosis. The method can detect failure occurrence in time and retrospects the reason of process operating parameters ...

Подробнее
26-08-2015 дата публикации

Multi-working condition model-based pumping unit oil exploitation optimization method

Номер: CN104865827A
Принадлежит:

The invention belongs to the oil exploitation technical field and provides a multi-working condition model-based pumping unit oil exploitation optimization method. The objective of the invention is to solve the technical problem of poor effects of unified model-based oil exploitation process optimization in the prior art. The method includes the following steps that: a plurality of kinds of typical working condition types are obtained according to historical indicator diagram data of a pumping unit; the historical indicator diagram data are classified according to the plurality of kinds of typical working condition types, and each indicator diagram datum contained in the historical indicator diagram data corresponds to the typical working condition types; a neural network model of each typical working condition type is generated respectively based on the indicator diagram datum corresponding to each typical working condition type; the type of the real-time working condition of the pumping ...

Подробнее
18-11-2015 дата публикации

This ampere of ultralow dew sample application gas processing apparatus of type

Номер: CN0204767975U
Принадлежит:

The utility model discloses a this ampere of ultralow dew sample application gas processing apparatus of type, including defogging filter (1), little fog separator (2), sample gas desicator (3) and pressure reducer (4), the sample gas of defogging filter (1) export (13) with little fog separator (2) intercommunication, a little fog separator (2) the gas outlet with sample gas desicator (3) intercommunication, the export and the pressure reducer (4) of sample gas desicator (3) are connected. It is showing the effect: investment cost is low, realizes high -efficient defogging, filtration and gas - water separation, and messenger's sample gas reaches the ultralow dew point of - 10 DEG C of left and right sides, application process essence safety.

Подробнее
18-11-2015 дата публикации

High -efficient defogging filtering separator

Номер: CN0204767983U
Принадлежит:

The utility model discloses a high -efficient defogging filtering separator, cross the filter core including urceolus and the defogging that cup joints in the urceolus, urceolus and defogging are crossed the upper end of filter core and are connected sealedly respectively through the mount pad, the lower extreme that the filter core was crossed to urceolus and defogging passes through the isolation of clearance space, the clearance space that urceolus and defogging were crossed between the filter core forms the gas - water separation chamber, be provided with the sample gas induction pipe in the upper end of mount pad, the lower extreme of this sample gas induction pipe passes the defogging and crosses the bottom of filter core and stretch into in the gas - water separation chamber, still be provided with the export of blowback scavenging entry and sample gas respectively on the lateral wall of mount pad, blowback scavenging entry communicates with each other through air flue and gas - ...

Подробнее
24-08-2005 дата публикации

On-line testing system for capacity of vehicle lead-acid battery

Номер: CN0001657966A
Принадлежит:

A vehicle on-line examination system uses the lead-acid battery electrolyte density, including: The outer covering, the launching tube, the light full amount collimation lens, optics reflector lens, optics reflection triangular prism, the receiving tube, the focusing lens, actuate the electric circuit, as soon as to enlarge the electric circuit, A\D transformation connection electric circuit, the monolithic integrated circuit electric circuit, thermistor Rt, second circuit enlarging the electric, the demonstration actuation electric circuit, the display circuit; The input end of second circuit enlarging the electric above paragraph and thermistor Rt, its out-port and A\D a transformation connection electric circuit input end IN foot is connected; States A\D the transformation connection electric circuit loses the entrance P0.0 end separately 8 digital quantities output port D0 end to the D7 end with monolithic integrated circuit electric circuit 8 to the P0.7 end connected, states the demonstration ...

Подробнее
29-03-2018 дата публикации

A correction method based on linear regression algorithm for PM2.5 sensors

Номер: AU2018100221A4
Принадлежит: Gloria Li

With the increasing booming population, use of transportation vehicles and the establishment of factories, the society is moving forward at an unprecedented rate. These advancement and innovation have greatly improved the lives of those who live in the 21" century, while many serious environmental and health issues emerged, one of which is PM2.5 or also known as atmospheric particulate matter with a diameter of 2.5 micrometers. This article present an invention that relates to a method for correcting PM 2.5 sensors based on linear regression algorithm. Based on accurate data received from PM 2.5 monitoring station near the proximity of the PM 2.5 sensor, the method uses linear regression algorithm to correct the PM 2.5 output value of the sensor, making the output value of the sensor consistent with the accurate value of PM 2.5 from the monitoring station, and therefore achieving the purpose of making the PM 2.5 sensor more accurate and reliable. This method is simple and has high precision ...

Подробнее
18-11-2015 дата публикации

Pneumatic sampling pump

Номер: CN0204783868U
Принадлежит:

The utility model discloses a pneumatic sampling pump, including a pump body that has the inner chamber, the left end of the pump body is provided with first joint, the right -hand member is provided with the second and connects, first joint is the sample gas entry, the right -hand member of this first joint stretches into in the inner chamber of the pump body and the toper of its tip for the evagination, the left end that the second connects is arranged in the inner chamber and the back taper of its tip for the indent of the pump body, the right -hand member that the second connects exports as the sample gas gas mixture, the right -hand member and the second joint left end of first joint set up relatively, the clearance space of the two constitutes the toper negative pressuren zone, it connects still to be provided with instrument air inlet on pump body intracavity lateral wall, connecting, the second still be provided with the flow control structure on. Its effect is: the constant current ...

Подробнее
01-04-2015 дата публикации

Method and device for acquiring frequency domain performance of controlled object

Номер: CN104483829A
Принадлежит:

The invention provides a method and device for acquiring frequency domain performance of a controlled object. The method comprises the steps that (a) a transfer function structure of the controlled object is determined; (b) a corresponding neural network is constructed for the determined controlled object; (c) a plurality of data samples of the controlled object are collected; (d) the collected data samples are input into the neural network, and the neural network is trained; (e) a phase angle margin and shearing frequency of the controlled object are acquired. When the method and the device are used for acquiring the frequency domain performance of the controlled object, a user is only required to input structure parameters of the controlled object so that the frequency domain performance parameter of the controlled object can be calculated rapidly and the process for acquiring the frequency domain performance of the controlled object is simplified, and accordingly, the design time of ...

Подробнее
08-04-2015 дата публикации

Detection method for purification and desulfuration process of natural gas with high sulfur content based on independent element similarity

Номер: CN104504271A
Принадлежит:

The invention discloses a detection method for a purification and desulfuration process of natural gas with high sulfur content based on independent element similarity. The method comprises the following steps: simplifying primitive characteristics, and determining fundamental influence factors representing the working condition characteristics of the purification and desulfuration process of the natural gas with the high sulfur content; preliminarily selecting M primitive characteristics representing the working conditions of the purification and desulfuration process of the natural gas with the high sulfur content to form a primitive variable group X, screening m independent elements with largest projections in the main element direction, and culling variables with lower contribution degree; recombining sample data of the primitive variable group X to form new sample data; selecting sample data from the new sample data as training samples, and constructing a working condition classification ...

Подробнее
20-03-2018 дата публикации

Stair car was climbed to thing in electronic year

Номер: CN0207120787U
Автор: ZHANG KUNTAO, TANG BO, LI TAIFU

The utility model provides a stair car was climbed to thing in electronic year, including carrying the thing automobile body, connect the flexible pull rod, planetary gear mechanism and the drive arrangement that upwards extend on the automobile body, drive arrangement includes controller, the battery that links to each other with the controller, two driving motor that link to each other with battery and controller, two differential mechanism s continuous with driving motor, differential mechanism's output links to each other with two transmission shafts respectively, and the end connection ofevery transmission shaft has a planetary gear mechanism who is used for the level land walking and climbs stair, and every transmission shaft still is connected with arresting gear, the controller isused for controlling the battery to two motor power supplies with two planetary gear mechanism actions of separately -driven. The utility model discloses compact structure, level land are operated steadily ...

Подробнее
11-11-2015 дата публикации

Share PLC gate device in lavatory of men and women

Номер: CN0204759160U
Принадлежит:

The utility model provides a share PLC gate device in lavatory of men and women, including PLC controller, infrared detector, setting first electromagnetic lock, first button and second button, second electromagnetic lock, third button and the fourth button of setting on the women's lavatory door on the men's lavatory door, wherein, infrared detector, first button, second button, third button and fourth button link to each other with the signal input part of PLC controller, and first electromagnetic lock, second electromagnetic lock link to each other with the output, first electromagnetic lock and second electromagnetic lock are the interlocking relation, and the PLC controller is opened according to the first electromagnetic lock of incoming signal control of first button or second button, open according to the incoming signal control second electromagnetic lock of third button or fourth button, and the incoming signal of first button or third button is received to the detected signal ...

Подробнее
28-10-2009 дата публикации

Baby sleep restlessness monitoring method based on multi-source information interfusion and detection system

Номер: CN0101564302A
Принадлежит:

The invention provides a baby sleep restlessness monitoring method based on multi-source information interfusion and detection system. The four-step time sequence of the sleeping baby body temperature, humidity is used as output and the artificial intelligence is used for reference, and the success experience of the housewife for monitoring the sleep of the baby is effectively simulated and the baby sleep restlessness biology signal is quantized as output, and a training sample data is obtained by the simulation experiment, two layers of forward direction artificial neural network technique are selected to perform the information interfusion and then a neural network model is obtained by the sample training, therefore the sleep restlessness degree is monitored by intelligently calculating the baby body temperature and humidity. The monitoring method effectively simulates the success experience of the housewife for monitoring the sleep of the baby and reliably monitors the baby sleep restlessness ...

Подробнее
03-06-2015 дата публикации

Multi-objective-decision-based pumping unit parameter optimization method

Номер: CN104680023A
Принадлежит:

The invention provides a multi-objective-decision-based pumping unit parameter optimization method, comprising the steps: 1, determining production efficiency influence factors and performance variables of a pumping unit; 2, requiring sample data; 3, performing dimensionality reduction on load data; 4, building a net input variable set by non-load variables and new principal elements of load; 5, building sample values of input variables; 6, performing normalization processing; 7, selecting training and test samples; 8, building a generalized regression neural network and training; 9, building a liquid production capacity preference function; 10, building a fitness function for evaluating decision variable individual dominance relation; 11, calculating a mean value of system environment variables; 12, building an initial population by decision variables and generating an elite population; 13, performing genetic iterative calculation to obtain a second generation of elite population and a ...

Подробнее
08-04-2015 дата публикации

Aluminum electrolysis cell condition diagnosing method based on sub-feature space optimization relative matrix

Номер: CN104499001A
Принадлежит:

The invention discloses an aluminum electrolysis cell condition diagnosing method based on a sub-feature space optimization relative matrix. The aluminum electrolysis cell condition diagnosing method based on the sub-feature space optimization relative matrix is characterized by including that 1, gathering an original measurement sample set, pre-processing the original measurement sample set, and projecting to a kernel space; 2, analyzing relative principal components of a centralization matrix, building an aluminum electrolysis cell condition diagnosing model, and diagnosing the aluminum electrolysis cell condition; 3, finding out the optimal relative transformation matrix in a search region through a bacterial foraging algorithm; 4, using the optimal relative transformation matrix to build the aluminum electrolysis cell condition diagnosing model according to the step 2 so as to precisely diagnose the aluminum electrolysis cell condition. The aluminum electrolysis cell condition diagnosing ...

Подробнее
18-11-2015 дата публикации

Integral sampling probe system

Номер: CN0204789072U
Принадлежит:

The utility model discloses an integral sampling probe system, including sampling probe, this sampling probe is provided with sampling tube and filter chamber, be provided with the sample gas export on the filter chamber, be connected with the laser survey air chamber in sampling probe's sample gas export, the gas outlet of this laser survey air chamber is connected with pneumatic sampling pump, the left and right sides at the laser survey air chamber is provided with laser emitter and laser receiver respectively, sampling probe's filter chamber, the laser survey air chamber, laser emitter, laser receiver and pneumatic sampling pump all set up in the probe protective housing, still be provided with electric heater in the probe protective housing. Beneficial effect: constitute monolithic structure, system simple structure has improved the degree of accuracy that micro - escape ammonia detected, and the maintenance volume reduces in the use, has prolonged the life cycle, has reduced investment ...

Подробнее
12-05-2023 дата публикации

Internet-related crime information digital acquisition system and method based on Internet

Номер: CN116108270A
Принадлежит:

The invention discloses an internet-based network-related crime information digital acquisition system and method, and belongs to the field of information acquisition. The system comprises an identity recognition module, an information acquisition module, an information processing module and an information feedback module, the identity information of the information providing personnel is identified through the identity identification module; information content provided by information providing personnel is collected through an information collection module, and information related to information is collected in real time through internet big data, so that the authenticity of the information content is verified; the real intelligence information is classified and key information is extracted and stored through the information processing module; and the information feedback module makes a timely, effective and specific scheme for real information on the terminal according to the Internet ...

Подробнее
08-08-2023 дата публикации

User experience test method for intelligent heating clothes

Номер: CN116562947A
Принадлежит:

The invention belongs to the technical field of intelligent heating clothes, and particularly relates to an intelligent heating clothes user experience testing method. According to the method, group intelligent heating clothes experience detection is performed on a target user group through a heating clothes user experience test, and meanwhile, comprehensive operation is performed through a core multi-attribute decision operator, so that a user experience test result of the group is obtained. By adding the multi-attribute group decision operator into the user experience test method for the intelligent heating clothes, comprehensive user experience group detection evaluation is made for the target group, compared with a single user experience detection means, the method has more practical significance, and meanwhile, the user experience detection means for the group has higher detection efficiency. A series of data errors such as overlarge deviation of experience evaluation results of individual ...

Подробнее
02-09-2015 дата публикации

PLC gating device of unisex toilet

Номер: CN104880990A
Принадлежит:

The invention provides a PLC gating device of a unisex toilet. The PLC gating device of the unisex toilet comprises a PLC controller; an infrared detector; a first electromagnetic lock, a first button and a second button which are arranged on a door of a men's room; and a second electromagnetic lock, a third button and a fourth button which are arranged on a door of a ladies' room, wherein the infrared detector, the first button, the second button, the third button and the fourth button are connected with signal input ends of the PLC controller, the first electromagnetic lock and the second electromagnetic lock are connected with output ends, the first electromagnetic lock and the second electromagnetic lock are interlocked, the PLC controller controls the opening of the first electromagnetic lock according to input signals of the first button or the second button and controls the opening of the second electromagnetic lock according to input signals of the third button or the fourth button ...

Подробнее
04-03-2015 дата публикации

Oil well working fluid level measuring device and method

Номер: CN104389586A
Принадлежит:

The invention discloses an oil well working fluid level measuring device and method. The device comprises a sound source generating module, a signal receiving module and a signal processing module. The sound source generating module includes a control unit and an infra-sound generating unit. One air chamber is arranged inside the infra-sound generating unit, with one end connected to an air inlet of a horn by a connecting piece; a piston is also installed inside the air chamber, and the piston rod of the piston extends out from the other end of air chamber and is then connected with an expansion link of a linear motor through a connecting sleeve. The linear motor drives the piston to do push-pull movement in the air chamber under the control of the control unit. The beneficial effects of the device are as follows: 1) the high measuring precision can effectively prevent measuring error caused by bubbles, temperature, moisture, etc.; 2) infra-sound is adopted to be the sound source so that ...

Подробнее
05-02-2014 дата публикации

EOD (Explosive Ordnance Disposal) robot

Номер: CN103552056A
Принадлежит:

The invention discloses an EOD (Explosive Ordnance Disposal) robot. The EOD robot comprises a chassis, a searching mechanism and a grabbing mechanism, wherein the searching mechanism and the grabbing mechanism are arranged on the chassis; the chassis comprises a first platform, a middle platform and a second platform which are connected in sequence, two ends of the middle platform are respectively hinged to the first platform and the second platform, lifting mechanisms are respectively arranged between the middle platform and the first platform as well as the middle platform and the second platform, the first platform, the middle platform and the second platform are respectively provided with a pair of crawler wheel traveling mechanisms and two DC (Direct Current) speed reduction motors; the searching mechanism and the grabbing mechanism are arranged on a same rotating frame, the lower part of the rotating frame is connected with the middle platform through a rotating shaft, the grabbing ...

Подробнее
01-12-2017 дата публикации

Oil well working fluid level depth detection method based on short-time Fourier transform

Номер: CN0107420090A
Принадлежит:

The invention discloses an oil well working fluid level depth detection method based on short-time Fourier transform. Short-time Fourier transform is carried out on a Welch multi-band average power spectrum, that is, partial intervals are sequentially selected for the Welch multistage average power spectrum to carry out Fourier transform, and the frequency distribution condition is observed from parts. Short-time Fourier transform is carried out on the Welch power spectrum, and therefore the frequency band large in frequency spectrum amplitude can be highlighted according to the three-dimensional Fourier transform spectrogram. Only the frequency band large in amplitude is selected for Fourier transform, and the signal to noise ratio is effectively increased. The most accurate frequency value nD is read out according to the spectrogram, the accurate resonant frequency interval delta fD can be calculated out according to the formula (please see the specification), and finally the oil well ...

Подробнее
30-12-2015 дата публикации

Thin wall drilling tool is with drawing rock core jump ring

Номер: CN0204920870U
Принадлежит:

The utility model relates to a thin wall drilling tool is with drawing rock core jump ring for the wire line coring probing belongs to prospecting with creeping into technical field. Technical scheme is: contain jump ring body (1), axial breach (2), axial breach two (3) and anti -skidding screw thread (4), jump ring body (1) is the conical ring column structure, is equipped with anti -skidding screw thread (4) along the circumferencial direction on jump ring body (1) inner wall, antiskid screw thread (4) is the fish scale type, and jump ring body (1) upward is equipped with an axial breach (2) and an individual individual axial breach two (3) that does not link up whole jump ring body (1) of two (3), 3 -5 of axial breach that does not link up whole jump ring body (1) of 3 -5 that link up whole jump ring body (1) along the axial and evenly arranges along the circumferencial direction of jump ring body (1). The beneficial effects of the utility model are that: can be firm embrace the rock ...

Подробнее
27-08-2014 дата публикации

Method for applying Kalman filter to S7-300-series PLC

Номер: CN104009735A
Принадлежит:

The invention discloses a method for applying a Kalman filter to an S7-300-series PLC. The method comprises the steps that sixteen data blocks are defined in an S7-300-series PLC system, fourteen data blocks correspond to all matrix variables in a Kalman filter iteration equation in a one-to-one mode, and the two remaining data blocks are used for temporary storage of matrix operation; storage/access operation of a plurality of variables in the Kalman filter iteration equation is converted into the access operation of variables in the corresponding data blocks of the S7-300-series PLC system; addition and subtraction operation, multiplication operation and inverse operation of a matrix and the Kalman filter iteration equation are achieved directly through a command system of the PLC system. The calculation time of the Kalman filter is constant relatively. In addition, one-time iteration is conducted in each sampling period during practical application. Through reasonable setting of an alarming ...

Подробнее
30-07-2014 дата публикации

Weight optimization relative principal component analysis method for fault diagnosis of aluminum electrolysis cell conditions

Номер: CN103952724A
Принадлежит:

The invention relates to a weight optimization relative principal component analysis method for fault diagnosis of aluminum electrolysis cell conditions. The method is characterized by comprising a first step of randomly collecting the data of n groups of aluminum electrolysis cell conditions so as to form an original measurement sample set; a second step of obtaining a standardized sample matrix X*; a third step of randomly generating a relative transfer matrix lambda; a fourth step of obtaining a relativized sample matrix XR; a fifth step of carrying out principal component analysis on the XR, and calculating the false alarm rate of SPE (squared prediction error) checkout; a sixth step of optimizing the relative transfer matrix lambda through genetic algorithm, so as to obtain an optimal relative transfer matrix lambda*; a seventh step of obtaining an optimal relativized sample matrix XRZ through the optimal relative transfer matrix lambda*; and an eighth step of realizing fault diagnosis ...

Подробнее
18-11-2015 дата публикации

Outer protection tube can prosthetic high temperature sampling probe pipe

Номер: CN0204789065U
Принадлежит:

The utility model discloses an outer protection tube can prosthetic high temperature sampling probe pipe, including outer protection tube, interior protection tube and sample gas sampling pipe, form first cooling chamber between outer protection tube and the interior protection tube, form second cooling chamber between interior protection tube and the sample gas sampling pipe, cooling water inlet and coolant outlet are located outer protection tube, the cooling water inlet communicates with each other with first cooling chamber, the coolant outlet cools off the chamber with the second and communicates with each other, the sample gas is carried from one end to the other end to the sample gas sampling pipe, realize the cooling protection through two cooling chambeies, outer protection tube is by the front end connector, middle pipeline section and rear end connector are formed by connecting, if and the restoration can be replaced in the damage of the pipeline section in the middle of the ...

Подробнее
18-11-2015 дата публикации

Compound electric bridge

Номер: CN0204788706U
Принадлежит:

The utility model discloses an electronic circuit technique, concretely relates to compound electric bridge. Compound electric bridge comprises inboard electric bridge and outside electric bridge, and inboard electric bridge is measured sensing element R1, reference sensing element R2, resistance R3 and resistance R4 by the sensitivity and is constituteed, and outside electric bridge comprises resistance R5, resistance R6, resistance R7 and resistance R8, and the both ends on the first diagonal of inboard electric bridge and outside electric bridge meet constant voltage power supply altogether, and the both ends on the second diagonal are jointly as measuring the output, just sensitive measurement element R1 is located with reference measurement element R2 the cornerwise same one side of second. This compound electric bridge's diagonal is the interchangeable not, and its simple structure, measuring precision are higher with stability.

Подробнее
07-05-2014 дата публикации

White noise generating method for detecting oil well working fluid level depth

Номер: CN103780205A
Принадлежит:

The invention discloses a white noise generating method for detecting the oil well working fluid level depth. The white noise generating method comprises the steps that firstly, two sets of even stochastic noise sequences are generated through the linear congruence method, secondly, the two sets of generated even stochastic noise sequences are whitened to obtain white noise sequences, thirdly, the two sets of stochastic white noise sequences are converted into gauss white noise sequences submitting to gauss distribution through the Box-Muller conversion algorithm, and lastly, window function filtering processing is carried out on the generated stochastic gauss white noise sequences to obtain a gauss white noise sequence meeting the frequency band requirement. The white noise generating method has the advantages that the gauss white noise is generated through the programmed algorithm and is output through a sound card of a computer, the frequency band of the output white noise can be given ...

Подробнее
03-06-2015 дата публикации

Intelligent optimization method for operation process of oil pumping unit

Номер: CN104680257A
Принадлежит:

The invention provides an intelligent optimization method for the operation process of an oil pumping unit. The method comprises the following steps: firstly, determining production efficiency influence factors and property variable of the oil pumping unit; secondly, obtaining the sample data of the oil pumping unit; thirdly, performing dimensionality reduction on load data; fourthly, constructing a network input variable set through non-load variable and a load new principal element; fifthly, constructing a sample value of input variable; sixthly, performing normalization processing; seventhly, selecting training and testing samples; eighthly, constructing a feedforward neural network and training; ninthly, constructing a liquid production capacity preference function; tenthly, constructing parent and descendant population; eleventhly, performing genetic cross and variation computation on parent population individuals, so as to produce descendant population individuals; twelfthly, solving ...

Подробнее
27-05-2015 дата публикации

Abnormal working condition detection-based high-sulfur natural gas purification process modeling optimization method

Номер: CN104657586A
Принадлежит:

The invention discloses an abnormal working condition detection-based high-sulfur natural gas purification process modeling optimization method, which comprises the following steps of extracting independent components by utilizing independent component analysis, and computing corresponding SPE (squared prediction error) statistics; then, comparing the SPE statistics with set control limits; judging sample data collected under the abnormal working condition, and rejecting the sample data; establishing a high-sulfur natural gas purification desulfurization process model by taking operating parameters of a purification process as input variables of an extreme learning machine, wherein model output is the content of H2S and CO2 in purified gas; performing optimization on the model structure of the extreme learning machine by adopting particle swarm optimization; different physical quantities, such as energy consumption and yield, are designed under the same measure criterion by physical programming ...

Подробнее
16-04-2014 дата публикации

Industrial sewage COD (chemical oxygen demand) online soft measurement method based on ELM (extreme learning machine)

Номер: CN103728431A
Принадлежит:

The invention discloses an industrial sewage COD (chemical oxygen demand) online soft measurement method based on an ELM (extreme learning machine). The method is characterized by mainly comprising the following steps of firstly, confirming six variables affecting industrial sewage COD, namely suspended solid concentration, feedwater COD, PH value, ammonia nitrogen, dissolved oxygen and total phosphorus; secondly, taking the six auxiliary variables affecting industrial sewage COD as input variable of the ELM, and COD as forecast output variable of the ELM; thirdly, confirming hidden node number and excitation function of the ELM and selecting a training set and a test set; fourthly, establishing an ELM soft measurement model according to the confirmed training set, and testing the effectiveness of the model by the test set; and fifthly, taking the output of the ELM model as industrial sewage COD. The purpose of online soft measurement of the industrial sewage is achieved by soft measurement ...

Подробнее
17-06-2015 дата публикации

Acquisition method and device for structure parameters of lag corrector

Номер: CN104714409A
Принадлежит:

The invention provides an acquisition method and device for structure parameters of a lag corrector. The method includes the steps that a, a controlled object of an automatic control system, a transfer function structure of the lag corrector, and a system expected frequency-domain characteristic are determined; b, a corresponding neural network is established for the determined system transfer function structure and the determined expected frequency-domain characteristic; c, multiple data samples of the system are acquired; d, the acquired data samples are input in the neural network, and the neural network is trained; e, the structure parameters of the lag corrector are acquired. When the structure parameters of the lag corrector are acquired through the method and device, a user only needs to input the structure parameter K, the structure parameter alpha and the structure parameter beta of the controlled object of the system and the system expected frequency-domain performance parameter ...

Подробнее
04-02-2015 дата публикации

Energy information management system

Номер: CN104331763A
Принадлежит:

The invention relates to an energy information management system. The management system comprises a central server. The central server is abutted with a government supervision platform, an informationized enterprise platform and an existing enterprise energy management system. The central server is connected with a data transfer station system, a newly-added intelligent energy management meter system and other area metering systems. The central server comprises a database server and an application server. The informationized enterprise platform comprises a third system server and a third workstation. The data transfer station system comprises a data transfer station server. The data transfer station server is connected with an enterprise network. The enterprise network is connected with a collector through a switch. The collector is connected with an intelligent meter. The system can effectively monitor and manage the intelligent meters of the enterprises and the like, thereby improving ...

Подробнее
29-06-2011 дата публикации

Baby sleep restlessness monitoring method based on multi-source information interfusion and detection system

Номер: CN0101564302B
Принадлежит:

The invention provides a baby sleep restlessness monitoring method based on multi-source information interfusion and detection system. The four-step time sequence of the sleeping baby body temperature, humidity is used as output and the artificial intelligence is used for reference, and the success experience of the housewife for monitoring the sleep of the baby is effectively simulated and the baby sleep restlessness biology signal is quantized as output, and a training sample data is obtained by the simulation experiment, two layers of forward direction artificial neural network technique are selected to perform the information interfusion and then a neural network model is obtained by the sample training, therefore the sleep restlessness degree is monitored by intelligently calculatingthe baby body temperature and humidity. The monitoring method effectively simulates the success experience of the housewife for monitoring the sleep of the baby and reliably monitors the baby sleep restlessness ...

Подробнее
03-06-2015 дата публикации

Oil pumping unit parameter optimization method on basis of genetic algorithm extreme learning machine

Номер: CN104680025A
Принадлежит:

The invention provides an oil pumping unit parameter optimization method on the basis of a genetic algorithm extreme learning machine, which comprises the following steps: 1, determining a production efficiency influence factor and a performance variable of an oil pumping unit; 2, acquiring sample data of the oil pumping unit; 3, carrying out dimensionality reduction on load data; 4, constructing a network input variable set by a non-load variables and a load new pivot element; 5, constructing sample values of input variables; 6, carrying out normalization processing; 7 selecting training and testing samples; 8, constructing a feedforward neural network and training; 9, constructing a liquid production capacity preference function; 10, constructing a fitness function for evaluating and deciding a variable individual dominance relationship; 11, calculating an average value of system environment variables; 12, constructing an initial population by utilizing decision variables and generating ...

Подробнее
28-05-2014 дата публикации

Sound signal processing method used for measuring oil well working fluid level depth

Номер: CN103821499A
Принадлежит:

The invention discloses a sound signal processing method used for measuring oil well working fluid level depth. The sound signal processing method includes acquiring well sound field signals after system parameters are set, performing window function processing, fast Fourier transform (FFT), frequency spectrum signal processing and the like on the acquired sound field signals to acquire resonant frequency of each stage of the well sound field, calculating average value of adjacent stage resonant frequency differential values, adopting a resonant frequency differential value method to acquire a depth calculation formula according to a tubular column sound field module, and calculating and displaying oil well working fluid level depth. The sound signal processing method has the advantages that the resonant frequency differential value method is acquired by adopting the tubular column sound field module to calculate oil well working fluid level depth, hardware establishment is easy and small ...

Подробнее
26-11-2014 дата публикации

Fighting detection method in intelligent video monitoring

Номер: CN104168451A
Принадлежит:

The invention discloses a fighting detection method in intelligent video monitoring. The method employs a dynamic energy characteristic to quantify the possibility of fighting in a video image. The dynamic energy characteristic comprises kinetic energy, potential energy and a confusion degree, wherein the kinetic energy needs motion speeds and object quality, the potential energy needs the object quality and distances between objects, the confusion degree needs a total motion direction of the objects and the motion direction of each point in the objects, and the object quality, the motion speeds and the directions are not easily obtained. According to the scheme, the object quality is simplified to proportions which the objects occupy in the video image, for the motion speeds and the directions of the objects, the motion direction and the speed of each point in the objects are obtained by use of an optical flow method on the basis of preceding extraction of a foreground through a background ...

Подробнее
18-11-2015 дата публикации

No liquid cooling dry process high temperature sampling probe

Номер: CN0204789064U
Принадлежит:

The utility model discloses a no liquid cooling dry process high temperature sampling probe, including the sampling tube with connect the filter chamber in sampling tube one end, installed the filter core in the filter chamber, the tip that was somebody's turn to do filter core and filter chamber passes through the pedestal and is connected sealedly, forms outer cavity between the outer wall of crossing the filter core and the inner wall of filter chamber, crosses cavity in inside formation of filter core, blows being provided with on the pedestal outside mouthful and to blow in, mouthful and the sample gas export, blow outward mouth and outer cavity communicate with each other blow in, the mouth and the sample gas exports and interior cavity communicates with each other, is provided with the ring flange in the junction of sampling tube and filter chamber, cup joints the flange of taking the pillar on the sampling tube, and flange and ring flange pass through bolt fixed connection, still ...

Подробнее
05-02-2014 дата публикации

EOD (Explosive Ordnance Disposal) robot control system, EOD robot control method and EOD robot using EOD robot control method

Номер: CN103552084A
Принадлежит:

The invention discloses an EOD (Explosive Ordnance Disposal) robot control system. The EOD robot control system is characterized by comprising an upper computer remote control platform and a lower computer control platform, wherein the upper computer remote control platform comprises a computer, a server, an upper computer RFID (Radio Frequency Identification) module and a network base station; the lower computer control platform comprises a lower computer RFID module, a controller, a motion module, a 3G (The 3rd Generation Telecommunication) network card, an image processor, a camera and a signal collecting module. The EOD robot control system disclosed by the invention has the beneficial effects that the size of the EOD robot is minimized, the performance is stable, RFID transmission distance is moderate, and simultaneous monitoring by multiple computers or remote monitoring can be realized. The layout of the EOD robot control system is rationalized, and thus the EOD robot is unlikely ...

Подробнее
03-06-2015 дата публикации

Energy-saving optimization method for running parameters of oil pumping unit

Номер: CN104680259A
Принадлежит:

The invention provides an energy-saving optimization method for running parameters of an oil pumping unit. The method comprises the following steps: (1) determining a production efficiency factor and a performance variable of the oil pumping unit; (2) obtaining sample data; (3) performing normalization processing on the sample data; (4) selecting a training sample set and a test sample set; (5) constructing a generalized regression neural network and performing training; (6) constructing a preference function according to liquid production capacity; (7) constructing a parent population and a progeny population, and performing initialization; (8) performing genetic cross calculation or variation calculation on parent population individuals to generate progeny population individuals; (9) working out a fitness function for the parent and progeny population individuals; (10) partitioning the individuals in the parent and progeny populations into non-dominated sets at different levels according ...

Подробнее
22-04-2015 дата публикации

Aluminum cell condition diagnosis method based on relative kernel principal component analysis

Номер: CN104532299A
Принадлежит:

The invention discloses an aluminum cell condition diagnosis method based on relative kernel principal component analysis, which is characterized by comprising the following steps: (I) collecting n groups of aluminum cell condition data to form an original measurement sample set X<0>, wherein each sample contains m independent aluminum cell condition parameter sampling values; (II) performing standardization treatment on the original measurement sample set X<0> to obtain a standardized sample matrix X; (III) projecting the standardized sample matrix X to a high-dimensional feature space by use of a kernel function to obtain a matrix K<0>; (IV) performing centralization treatment on the matrix K<0> to obtain a centralized matrix K; (V) randomly generating a relative transfer matrix A; (VI) obtaining a relative sample matrix K; and (VII) performing principal component analysis on the K, calculating the phi test statistics and corresponding control limit phi0 to realize diagnosis of ...

Подробнее
17-06-2015 дата публикации

Acquisition method and device for structure parameters of lag lead corrector

Номер: CN104714408A
Принадлежит:

The invention provides an acquisition method and device for structure parameters of a lag lead corrector. The method includes the steps that a, a controlled object of an automatic control system, a transfer function structure of the lag lead corrector and a system expected frequency-domain characteristic are determined; b, a corresponding neural network is established for the determined system transfer function structure and the determined expected frequency-domain characteristic; c, multiple data samples of the system are acquired; d, the acquired data samples are input in the neural network, and the neural network is trained; e, the structure parameters of the corrector are acquired. When the structure parameters of the lag lead corrector are acquired through the method and device, a user only needs to input the structure parameter K, the structure parameter alpha and the structure parameter beta of the controlled object of the system and the system expected frequency-domain performance ...

Подробнее
29-09-2004 дата публикации

一种基于模糊控制响应表的模糊控制器

Номер: CN0001532653A
Принадлежит:

The fuzzy controller based on fuzzy control response meter includes fuzzy control circuit set on circuit board, and features that the fuzzy control circuit consists of subtracter, A/D converter, latches, memory, D/A converter, signal processing circuit, signal amplifier and time sequence control circuit. The fuzzy control circuit is connected to the power source, the subtracter is connected to the potentiometer in the controlled target and transducer, the signal amplifier is connected to the driving and executing unit and thus the controlled target. The present invention has no demerit of memory content independent on address, has the advantages of simple circuit, fast response, small size, simple use and low cost, and is suitable for use in household appliance.

Подробнее
18-11-2015 дата публикации

Few sampling probe of maintenance is swept in outer blowback of high efficiency filter

Номер: CN0204789066U
Принадлежит:

The utility model discloses a few sampling probe of maintenance is swept in outer blowback of high efficiency filter, including the sampling tube that cup joints the dust cage and the filter chamber that has the high efficiency filter core, it is sealed fixed that the end of crossing filter core and filter chamber passes through the pedestal, has inside and outside cavity in the filter chamber, be equipped with anti - sweeping gas entry on the pedestal and communicate with each other with outer cavity with sample gas export, anti - sweeping gas entry, through anti - sweeping gas enter the mouth the gas that insufflates followed the tangential direction entering of filter core outer wall outside the cavity to at the indoor formation spiral air current of exocoel, the sample gas export communicates with each other with interior cavity for clean sample gas after output is filtered. Beneficial effect: the dust finally goes from sweep back the flue in the other direction along with the motion ...

Подробнее
09-12-2015 дата публикации

Separator is washed in coke oven gas washing

Номер: CN0204841314U
Принадлежит:

The utility model discloses a separator is washed in coke oven gas washing, which comprises a tank body, be provided with the baffle on the internal wall of this jar, two cavities about this baffle falls into the jar body, the disengagement chamber that condenses that chamber and upper portion were washed in the washing of lower part communicates with each other through the through -hole in the middle of the baffle, top at the jar body is provided with the sample gas induction pipe, the one end of this sample gas induction pipe is as mixing the sample gas entry, the other end stretches into the washing from the through -hole in the middle of the baffle and washs in the chamber, , the washing is provided with cold water entry and sewage discharge mouth on washing the chamber wall in chamber respectively, it has stainless steel fiber to fill in the disengagement chamber that condenses, still be provided with the sample gas export on the wall of the chamber of the disengagement chamber that ...

Подробнее
29-09-2004 дата публикации

一种基于存储器地址映射的二维模糊控制器

Номер: CN0001532773A
Принадлежит:

The present invention relates to one kind of 2D fuzzy controller based on memory address mapping. The 2D fuzzy controller includes fuzzy control circuit on circuit board comprising subtracter, A/D converter, latches, memory, D/A converter, signal processing circuit, signal amplifier circuit, time sequence control circuit, AND gate circuit and frequency dividing control logic circuit. The fuzzy control circuit is connected to power source, potentiometer in the controlled target, transducer and drive executing unit separately and the drive executing unit is controlled also to the controlled target. The present invention has no demerit of no relation between the memory address and the stored content, and has the advantages of simple circuit, fast response speed, small size, powerful anti-jamming capacity, simple use and low cost. The present invention is suitable for the fuzzy control of household appliance and the motion control of some fast continuous amounts.

Подробнее
14-07-2023 дата публикации

Product production parameter optimization method and device and terminal equipment

Номер: CN116432846A
Принадлежит:

The invention is suitable for the technical field of machine translation, and provides a product production parameter optimization method and device and terminal device.The method comprises the steps that multi-dimensional user experience test data generated by a test user based on a to-be-tested product is obtained, and the multi-dimensional user experience test data comprises user experience evaluation scores of J test users for I to-be-tested products, obtaining test user portraits of J test users; processing the multi-dimensional user experience test data through constrained group decision comprehensive calculation to obtain a test result; acquiring key production parameters of the to-be-tested product; classifying test results according to the test user portraits and then taking the test results as output, taking the key production parameters as input, and training and establishing a user experience parameter optimization model; and inputting a target user portrait of the target user ...

Подробнее
16-09-2015 дата публикации

Coke oven gas water washing separator

Номер: CN104906912A
Принадлежит:

The invention discloses a coke oven gas water washing separator, comprising a tank, wherein a baffle is arranged on the inner wall of the tank for dividing the tank into an upper cavity and a lower cavity, the water washing cavity at the lower part communicates with the condensation separating cavity at the upper part by a through hole in the middle of the baffle, a sample gas introduction pipe is arranged on the top of the tank, one end of the sample gas introduction pipe serves as a mixed sample gas inlet while the other end stretches into the water washing cavity through the through hole in the middle of the baffle, a cold water inlet and a sewage drain hole are respectively arranged on the cavity wall of the water washing cavity, stainless steel fibers are filled in the condensation separating cavity, a sample gas outlet is also arranged on the cavity wall of the condensation separating cavity. The coke oven gas water washing separator has the advantages that cooling and scrubbing of ...

Подробнее
24-12-2014 дата публикации

Intelligent cell inspection system based on behavior analysis and control method thereof

Номер: CN104239851A
Принадлежит:

The invention discloses an intelligent cell inspection system based on behavior analysis and a control method of the system. The system is composed of a server, a mobile inspection terminal, a cell camera and an intelligent access control system. The mobile inspection terminal is used for obtaining face image information of suspected persons in a cell. The cell camera is used for obtaining cell video information or/and image information in real time. The intelligent access control system is used for achieving dual authentication of an IC card and the face image information. The server is used for achieving video monitoring and video image processing. The behavior analysis and identity authentication are involved in video image processing. The system has the advantages that as the mobile inspection terminal is additionally arranged, the suspected persons can be identified in real time; the intelligent video technology is fully applied, and on one hand, the safety protection ability of the ...

Подробнее
27-08-2014 дата публикации

Method for implementing BP neural network in S7-300 series PLCs

Номер: CN104007659A
Принадлежит:

The invention discloses a method for implementing a BP neural network in S7-300 series PLCs. Twelve data blocks, namely DB1-DB12 are defined in a S7-300 series PLC system and correspond to variables including an input variable, an implicit node input, an implicit node output, an output node input, an output variable, a weight wij, a weight wjk, a threshold value aj, a threshold value bk, an error ek, a learning efficiency eta and a desired output in an iteration equation of the BP neural network in a one to one mode, and access operation of the variables in the iteration equation of the BP neural network is converted into access operation of variables in the corresponding data blocks of the PLC system. Iterative operation of the BP neural network can be achieved directly by using an instruction system of the PLC system, the BP neural network can be adapted to multiple application occasions of the PLC system by means of three operation modes of single iteration, end of limit of errors and ...

Подробнее