泳衣（239368）

Dangerous area exploration and post-treatment effect monitoring method

The invention provides a dangerous area exploration and post-treatment effect monitoring method, and belongs to the technical field of mining area monitoring. Comprising the following steps that S1, water drainage exploration holes are arranged, specifically, exploration holes are arranged in a water-immersed goaf ponding area on an adjacent working face, and the number of drilled holes is selected according to the range of the goaf ponding area; s2, arranging an in-hole monitoring device: installing the in-hole monitoring device between the bottom roadway and the water-immersed goaf; s3, a coal spontaneous combustion dangerous area is determined, and targeted prevention and control measures are taken; and S4, after the prevention and control measures are implemented, converting the probing hole into an effect monitoring hole. According to the method, gas components, temperature, air pressure changes and air leakage rules in the goaf in the three processes before, during and after goaf ...

Calculation method and construction method for heightening threshold value of bridge jacking support padstone

The invention discloses a calculation method and a construction method for a heightening threshold value of a bridge jacking support padstone, and the method comprises the following steps: determining a temperature force and a braking force borne by a support, comparing the temperature force and the braking force with frictional resistance, and taking a smaller value as the frictional force of the support; calculating the support reaction force under the action of the lane load, and calculating the critical bending moment when the minimum pressure of the interface of the new cushion stone and the old cushion stone is 0; and calculating the heightening threshold value height h of the padstone according to the obtained friction force of the support and the obtained critical bending moment, and adopting different construction methods based on the heightening threshold value height h of the padstone, so that the design is reasonable, a scientific theoretical basis is provided for a bridge jacking ...

Article information identification method, refrigeration equipment and computer storage medium

The invention discloses an article information identification method, refrigeration equipment and a computer storage medium. The article information identification method comprises the following steps: performing image processing on each continuously shot video frame image; when it is detected that the hand feature detection frame is overlapped with the food feature detection frame, the system enters an access mode; in the mode, continuously tracking the food material feature detection frame overlapped with the hand feature detection frame; when it is detected that the food material feature detection frame disappears from the video frame image, obtaining a video frame image before the food material feature detection frame disappears; if the central point of the food material feature detection frame in a video frame image before disappearance of the food material feature detection frame is located in a first pixel area, it is judged that the food material is taken out; and if the central ...

Bridge pier broken column joint construction method in bridge jacking transformation

The invention discloses a bridge pier broken column connector construction method in bridge jacking transformation. The bridge pier broken column connector construction method comprises the following construction steps that S1, the height H of a pier column after jacking is completed is determined; s2, when H is larger than or equal to 15 cm, the pier stud is chiseled away, and pier stud steel bars are exposed; when Hlt; when the height is 15 cm, the section of the pier column is enlarged; s3, when the pier column is chiseled away, vertical main reinforcements and stirrups are used for being connected with pier column steel bars; when the section of the pier column is expanded, steel bars are planted at the expanded section, and the planted steel bars are connected; s4, a steel formwork is adopted for formwork construction, and concrete is poured; and S5, removing the mold. The construction steps are simple, the design is reasonable, different bridge pier broken column connector connecting ...

Method for preparing water by directly drinking spring water

The invention mainly relates to the field of direct drinking water preparation, in particular to a method for preparing water by directly drinking spring water. The direct drinking spring water preparation method comprises the following three steps: S1, mixing test; S2, nanofiltration membrane effluent small-scale test; and S3, process adjustment and production application. According to the method, through various experiments, an appropriate water production scheme is selected as a final scheme according to actual requirements and detection results. On the basis that the water quality is qualified, spring water characteristic elements such as metasilicic acid can be effectively reserved, and meanwhile mineral substances such as calcium and magnesium meet the ideal value requirement of healthy water; beneficial trace elements and mineral substances which are rich in spring water and needed by human bodies are reserved while a large number of pollutants are removed, and the spring water characteristics ...

Article identification method and device for storage equipment

The invention discloses an article recognition method and device for storage equipment, and the method comprises the steps: obtaining a first image set, recognizing the first image set, and listing an image in which another recognition frame appears in a recognition frame into a to-be-recognized set; obtaining a second image set, wherein the shooting angle of the image of the second image set is different from the shooting angle of the first image set; and according to the second image set and the to-be-identified set, judging whether another identification frame appearing in the identification frame is a real object. By comparing the images shot at different angles to judge whether the article is a real article, it can be avoided that the article pattern printed on the article package is mistakenly recognized as a real article, and the article recognition accuracy is improved.

METHOD AND APPARATUS FOR ENERGY-SAVING TYPE LONGITUDINAL MOTION CONTROL OF ELECTRIC VEHICLE, AND ELECTRIC VEHICLE

A method and apparatus for energy-saving type longitudinal motion control of an electric vehicle, and an electric vehicle. The method comprises: receiving a vehicle cruising speed, a speed fluctuation quantity and a total mileage, and obtaining an upper vehicle speed bound and a lower vehicle speed bound according to the vehicle cruising speed, the speed fluctuation quantity and the total mileage; controlling, according to the lower vehicle speed bound, a vehicle so that same enters a first cruising stage, and turning on an engine (100) and a first electric motor (MG1) and turning off a second electric motor (MG2); and when the current vehicle speed is larger than or equal to the upper vehicle speed bound, controlling the vehicle so that same enters a second cruising stage, and turning on the first electric motor (MG1) and the second electric motor (MG2) and turning off the engine (100). The method can reasonably distribute the power in the engine (100) and/or among a plurality of electric ...

Peripheral vehicle behavior recognition and trajectory prediction method based on cyclic convolutional neural network

The invention discloses a surrounding vehicle behavior recognition and trajectory prediction method based on a cyclic convolutional neural network, and belongs to the field of intelligent driving. Comprising the following steps: step 1, collecting vehicle related data according to a driving environment of an automatic driving vehicle; 2, based on the collected data set, modeling is conducted on vehicle behaviors, road environments and pedestrian/riding pedestrian behaviors, and a person-vehicle-road coupling relation model based on vector representation is constructed; 3, based on the human-vehicle-road coupling relation model, behavior pattern recognition is conducted on the target vehicle through the long-short-term memory network; and step 4, in combination with the human-vehicle-road coupling relation model and a vehicle behavior identification result, realizing trajectory prediction of the target vehicle based on a convolutional neural network. Compared with the prior art, the method ...

Stacker crane translation control device

The utility model discloses a stacker crane translation control device in the technical field of stacker crane control devices, which comprises a stacker crane body, a stacker crane translation control assembly and the like, through the arrangement of a controller shell, the controller body is protected, through the arrangement of a sealing door, the controller body is convenient to overhaul, and the maintenance cost is reduced. The first rain sheltering eave and the second rain sheltering eave are used for preventing water from entering the closed door and the ventilation holes in rainy days respectively, the draught fan is installed on the upper wall in the controller shell, when the stacker body encounters severe weather in the working process, the draught fan can be started at the moment, and air is blown out of the air outlet holes along the three-way pipe and the air outlet plate through working of the draught fan. At the moment, the vent holes are in a positive pressure state, and ...

SERVICE TRAFFIC PROTECTION METHOD AND APPARATUS

Disclosed is a service traffic protection method. Also disclosed is a service traffic protection apparatus. The method comprises: a provider edge (PE) receiving traffic, and searching a forwarding table to obtain status information of a first protection group, the status information of the first protection group comprising connectivity information of a first active tunnel and a first standby tunnel; determining whether the first protection group is valid according to the status information of the first protection group; if the first protection group is valid, determining a forwarding tunnel for the traffic according to the status information of the first protection group; if the first protection group is invalid, performing invalidation processing on the first protection group. The present invention allows status of a protection group to be detected timely and avoids the service interruption problem caused by sending service traffic to an invalid protection group.

Parallel data analysis method for flight data

The invention belongs to the field of industrial design research and development, and particularly relates to a parallel data analysis method for flight data. Through a parallel analysis means of a flight data file data packet, the analysis efficiency of the whole data can be effectively improved, so that the data use efficiency of engineering designers is improved; according to the characteristics of the flight data, the time value and the parameter value are coded, compressed and stored, so that the data storage space after analysis can be reduced, and the storage cost is saved; after a flight data file is parsed and stored in a distributed column database in a parameter granularity manner, an efficient parameter query service interface can be provided, rapid query and display of a parameter curve can be realized, and the data analysis efficiency of engineering designers can be improved; according to the method, log recording is carried out on the analysis process, so that analysis fault ...

Food material detection method, medium and refrigeration equipment

The invention provides a food material detection method, a medium and refrigeration equipment. Comprising the steps of controlling a visible light camera to shoot and obtain a color image of a storage space; detecting a color image, and generating an identification area Ci, i = {1, 2,...} at the maximum contour line of the food material Ai in the color image; acquiring position information CLi of the identification area Ci in the color image; controlling an infrared camera to shoot and obtain an infrared image of the storage space; acquiring corresponding position information HLi of the position information CLi in the infrared image through a position correlation model, wherein the position correlation model is used for enabling image positions, belonging to the same area of the storage space, in the image shot by the visible light camera and the image shot by the infrared camera to correspond to each other; obtaining an identification area Hi corresponding to the identification area Ci ...

ENERGY-SAVING STABILITY MOTION CONTROL METHOD FOR NETWORKED AUTOMOBILE QUEUE

The present invention relates to the technical field of automobile driving assistance systems, and provides an energy-saving stability motion control method for a networked automobile queue. The method comprises: first establishing a single vehicle dynamic model in the networked automobile queue, and calculating the accelerations of vehicles respectively in a pulse phase and a glissade phase; by establishing an automobile following subsystem model using the relative speed Δvi and the relative inter-vehicle distance error ΔRi of an automobile following subsystem composed of two adjacent vehicles as state variables, determining four driving modes of the automobile following subsystem to obtain a host vehicle state trajectory on a Δv-ΔR plane; respectively obtaining host vehicle Δv-ΔR state plane partition maps for two cases of the pulse phase and the glissade phase of a front vehicle, and determining the host vehicle acceleration of the ranges; and finally synthesizing the respectively obtained ...

Detection system capable of realizing interface between molten matte and slag of smelting furnace

The invention relates to the technical field of metallurgical auxiliary soft detection equipment, discloses a detection system capable of realizing a molten matte and slag interface of a smelting furnace, and solves the technical problems of low manual measurement efficiency and delayed measurement in a measurement mode after cooling in the prior art. The lifting assembly comprises a lifting roller, a lifting cable, a servo motor and a dynamic gravity sensor; the lifting roller is installed at the top end of the supporting assembly, the servo motor is connected to the lifting roller in a driving mode and controls the lifting cable to move up and down, and the dynamic gravity sensor is installed at a servo motor shaft of the servo motor and used for detecting the total lifting gravity of the lifting cable. And the probe hammer is fixed at the tail end of the lifting cable and is pulled by the lifting cable to move up and down. According to the technical scheme, the interface between the ...

Method and device for improving information detection accuracy of articles in drawer and storage medium

The invention discloses a method and device for improving the accuracy of information detection of articles in a drawer and a storage medium, and the method comprises the steps: processing each continuously shot video frame image, and recognizing a drawer edge line perpendicular to the opening direction of the drawer in each video frame image; defining an extending area at the edge line of the drawer along the opening direction of the drawer as a monitoring area, and monitoring whether hand features appear in the monitoring area; if yes, acquiring continuous video frame images with the hand features appearing in the monitoring area; if the frame number of the obtained continuous video frame images is larger than or equal to a preset threshold value, and when drawer edge lines in the obtained continuous video frame images gradually move in the direction away from the monitoring area, the continuous video frame images are defined as first series images, and the first series images are video ...

Gas turbine square cabin

The invention relates to the technical field of gas turbine shelters, and particularly discloses a gas turbine shelter which comprises a first gas turbine cabin used for mounting a gas turbine, a second gas turbine cabin used for mounting a gas turbine, a third gas turbine cabin used for mounting a third gas turbine cabin, a fourth gas turbine cabin used for mounting a fourth gas turbine cabin, a fifth gas turbine cabin and a sixth gas turbine cabin, the second gas turbine cabin is communicated with the first gas turbine cabin through an exhaust transition section and comprises an exhaust transition section which is flush with an exhaust volute flow guide section and an exhaust silencer, and the problem that noise of a vehicle-mounted small gas turbine is too large is solved.

Hydraulic pneumatic device with automatic pressure relief structure

The invention relates to the technical field of hydraulic pneumatic, in particular to a hydraulic pneumatic device with an automatic pressure relief structure. According to the technical scheme, a base body is included, a cylinder body is installed at the bottom of the base body, a bottom plate is installed at the bottom of the cylinder body, a push plate is arranged in the cylinder body, an output shaft is installed at the bottom of the push plate, an oil cylinder is fixedly installed at the top of the base body, a first sealing plate is fixedly installed at the top of the oil cylinder, and a hydraulic filtering cavity is formed in the oil cylinder. The hydraulic filter cavity is arranged to be matched with the filter oil core, oil liquid can be filtered when the device is used, the situation that foreign matter contained in the oil liquid enters the device and scratches the interior of the device is avoided, the functionality of the device is increased, and the safety is improved; the ...

Tomato fruit taste evaluation method

The invention discloses a tomato fruit taste evaluation method. The method comprises the following steps: measuring a plurality of single quality index data of a plurality of tomato varieties; analyzing the plurality of single quality index data based on a principal component analysis method, and extracting a comprehensive quality index; comprehensively evaluating the comprehensive quality index of each tomato variety based on a membership function to obtain the membership degree of each tomato variety; analyzing a corresponding relationship between each single quality index and a tomato quality evaluation result based on a multivariate stepwise regression method, and screening out the single quality index having significant correlation with the tomato quality as a final tomato quality identification index; taking the membership degree of the tomato variety as a dependent variable and the tomato quality identification index as an independent variable to construct a quality evaluation model ...

Lithium battery safety protection system for coal mining

The invention provides a lithium battery safety protection system for coal mining, and belongs to the technical field of lithium battery protection systems. Comprising an over-discharge and over-charge monitoring module, a short-circuit monitoring module and a logic judgment and driving module, the over-discharge and over-charge monitoring module generates an over-charge output signal and an over-discharge output signal respectively when a lithium battery is over-charged or over-discharged and outputs the signals to the logic judgment and driving module; the short circuit monitoring module generates an overcurrent/short circuit output signal for outputting a low level to the logic judgment and driving module when overcurrent/short circuit occurs in a lithium battery power supply loop; and the logic judgment and driving module controls the charging, discharging and power supply turn-off of the lithium battery when receiving the corresponding output signal. According to the invention, monitoring ...

Method, device and equipment for regulating and controlling light and temperature of plant and storage medium

The invention provides a plant light temperature regulation and control method, device and equipment and a storage medium. The method comprises the following steps: acquiring basic information of a target plant of which the light temperature is to be regulated and controlled; wherein the basic information comprises at least one of the following items: a plant type and a plant growth period; acquiring a target light-temperature coupling curve corresponding to the basic information from a preset plant growth light-temperature coupling curve; based on the target light-temperature coupling curve, determining a target light control parameter and a target temperature control parameter corresponding to a preset target demand index when the target demand index meets a requirement; and based on the target light control parameter and the target temperature control parameter, carrying out light temperature regulation and control on the target plant. According to the embodiment of the invention, the ...

Intelligent short hole water injection system for coal roadway tunneling

The invention provides an intelligent short hole water injection system for coal roadway tunneling, which is characterized by comprising the following steps: S1, water injection connection, S2, working face drilling connection, S3, the initial stage of water injection is a high-pressure stage, and S4, static pressure water injection is adopted in the later stage of water injection, water in a water tank is connected with a bulletproof hole packer through a water injection pipeline, and the bulletproof hole packer is connected with the bulletproof hole packer through a water injection pipeline. An electronic flowmeter and an electronic pressure gauge are mounted on the water injection pipeline; the output end of the servo motor is connected with a rotating rod, and the rotating rod is connected with stirring blades through a connecting mechanism; the connecting mechanism comprises a first connecting part and a second connecting part, and the first connecting part and the second connecting ...

Typhoon condition-based railway operation safety prediction method and equipment and storage medium

The invention discloses a railway operation safety prediction method and device based on a typhoon condition and a storage medium, and the method comprises the steps: inputting the meteorological parameters of a current typhoon to a WRF mode, and carrying out the simulation of the future trend of the typhoon, and obtaining a simulation path of the typhoon; key longitude and latitude point coordinates in the running route of the train are selected according to the typhoon simulation path, and wind field parameters of the key longitude and latitude point coordinates are collected; determining a regional reconstruction landform through the coordinates of the key longitude and latitude points, and compiling UDF data for simulation according to wind field parameters of typhoon in the reconstructed landform to obtain a simulated wind field; collecting simulated wind field data in the simulated wind field; calculating aerodynamic data of the train influenced by typhoon according to the simulated ...

Transform and attitude estimation-based pedestrian trajectory prediction method and storage medium

The invention discloses a pedestrian trajectory prediction method based on transformer and attitude estimation and a storage medium, and belongs to the field of intelligent driving. Comprising the following steps: step 1, collecting vehicle related data by using a camera and a radar according to the current environment of the intelligent driving vehicle, and constructing a high-precision map; 2, based on the collected data, modeling is carried out on behaviors of road users and interaction between the behaviors, road environment information and pedestrian posture information; 3, fusing the attitude information into the model, and encoding the attitude information into a vector; and step 4, in combination with a pedestrian posture recognition result, based on an attention mechanism and a multi-layer sensor, realizing trajectory prediction of the target pedestrian. According to the invention, the accuracy of behavior recognition and trajectory prediction of surrounding pedestrians by the ...