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Power equipment infrared image fault positioning, identification and prediction method

The invention discloses a power equipment infrared image fault positioning, identification and prediction method. The power equipment infrared image fault positioning, identification and prediction method comprises the following steps: 1) collecting power equipment infrared thermal image data; 2) classifying the infrared images to form a data set; 3) constructing a convolutional neural network model; 4) separating out faulty power equipment; 5) monitoring faulty power equipment in real time, and longitudinally collecting temperature data; 6) positioning a fault part, segmenting the infrared image of the power equipment, and extracting a fault area; 7) diagnosing a fault area, and judging a fault level; 8) predicting an equipment state trend; 9) uniformly outputting and displaying the information; 10) storing the fault level; 11) making four types of infrared image data sets; 12) building a target detection model and training; 13) directly detecting an infrared image of power equipmentto be detected through a target to obtain a fault position and a fault level; 14) repeating the step (5); 15) repeating the step (8); and 16) repeating the step (9) facilitating positioning of the fault position, fault level judgment and prediction of the fault equipment and giving a maintenance suggestion.
Owner:XIAN UNIV OF TECH

Interactive automated testing system and method thereof

The invention discloses an interactive automated testing system and a method of the interactive automated testing system. The interactive automated testing system comprises a test master control end which is respectively connected with an automatic use-case editor and a plurality of agent actuating ends. The automatic use-case editor is connected with an interface record module through a recorded control library file. The automatic use-case editor and the test master control end are provided with a similar natural language manager. The interactive automated testing system and the method of the interactive automated testing system firstly solves the problem how to achieve generation and usage of temporary storage data variable, and how the interactive automated testing system achieves unified management of life cycles of the data variable when a traditional mode that a programming script drives an automated testing is abandoned so as to achieve high-speed generation of an automated testing use-case, and secondly solves the problems that how to automatically and accurately marking positions of occurrences of issues on a picture after the automated testing carries out an automatic screenshot, and how to accurately and detailedly scripting the problems, and meanwhile a issue script is printed on the picture and is used as issue remark of the picture.
Owner:彭勇

Hydraulic cylinder surface shot blasting, paint spraying and drying system and shot blasting, paint spraying and drying process thereof

The invention relates to a hydraulic cylinder surface shot blasting, paint spraying and drying system and a shot blasting, paint spraying and drying process thereof, and the hydraulic cylinder surface shot blasting, paint spraying and drying system consists of a hanging chain conveying system, a shot blasting working position, a paint spraying working position, a drying working position, an overhauling working position, an unloading working position, a loading working position, a paint mixing room, an air compressor and an operating room. The shot blasting, paint spraying and drying process comprises the following process steps: loading of a piece, shot blasting, derusting and cleaning (10-15min), automatic paint spraying (3-5min), paint refinishing, leveling (5min), drying at 60-80 DEG C (30min), natural cooling and unloading of the piece. The hydraulic cylinder surface shot blasting, paint spraying and drying system has the advantages of high degree of mechanical and electrical automation, small occupied area, good safety performance, and high production efficiency, is not affected by weather and can ensure the cleanliness, the temperature, the illumination and the safety and sanitation standard required by the paint spraying environment; and the shot blasting, paint spraying and drying process is simple, safe, time-saving, environment-friendly and high in working efficiency and can obtain the good appearance quality of a paint film.
Owner:中煤邯郸煤矿机械有限责任公司

Bag nested type pipe automatic package machine

The invention discloses a bag nested type pipe automatic package machine, which comprises a machine frame, wherein a first sliding device, a second sliding device, a glue bag roll support frame, a glue bag traction device, a bag suction shearing opening sealing device, a guide pipe, a pipe traction device and an automatic control device are arranged on the machine frame, the glue bag roll supportframe is arranged above the right side of the machine frame, the glue bag traction device is arranged at the right side of the machine frame, the first sliding device is arranged above the machine frame, the bag suction shearing opening sealing device is arranged on the machine frame through the first sliding device, the guide pipe is arranged in the middle position of the machine frame, the second sliding device is arranged under the machine frame, the pipe traction device is arranged on the machine frame through the second sliding device, and the automatic control device is connected with the first sliding device, the second sliding device, the glue bag traction device, the back suction shearing opening sealing device and the pipe traction device. The bag nested type pipe automatic package machine realizes the fully automatic package and has the advantages that the labor is saved, the work efficiency is improved, each component of the bag nested pipe automatic package machine has clear assignment, the operation is easy, and the stability and the reliability are high.
Owner:LIANSU TECH DEV WUHAN

Heartbeat keep-alive method and apparatus for long connection in communication network

The invention provides a heartbeat keep-alive method for a long connection in a communication network and a heartbeat keep-alive apparatus for the long connection in the communication network. The method comprises the steps of: determining a current network type; according to the current network type, sending a heartbeat packet to a server in accordance with a corresponding default sending period; counting continuous failure times or continuous success times of sending the heartbeat packet to the serve; judging whether the continuous failure times are greater than or equal to first preset times, or judging whether the continuous success times are greater than or equal to second preset times; and according to a judgment result, regulating the default sending period corresponding to the current network type so as to send the heartbeat packet to the server in accordance with the regulated sending period. According to the technical scheme, the sending period of sending the heartbeat packet to the server can be effectively prolonged, and by analyzing a user behavior, a timing starting point of one sending period of the heartbeat packet is regulated, thereby reducing working time of a heartbeat to the greatest extent and saving an electric quantity and flow.
Owner:YONYOU NETWORK TECH

Energy management system and method for electric automobile

The invention relates to the field of energy management of electric automobiles, and provides an energy management method for an electric automobile, so that the running cost of the hybrid power electric automobile is lowered. Automobile speed information of the electric automobile is collected and analyzed, and the running working condition type of the electric automobile is identified through the average automobile speed Va or/and the highest automobile speed Vmax of the electric automobile; the corresponding Markov probability transition torque is selected according to the working condition type, so that the predicted automobile speed Vk+n of the electric automobile is obtained; and according to the predicted automobile speed Vk+n, control commands are sent to an auxiliary power unit (APU) controller and a composite power supply controller through a composite power supply control strategy optimized by the Bellman dynamic programming theory, so that the discharge power of an APU system and a composite power supply is equal to the required power PND of a driving motor, and the power consumption of the composite power supply is the minimum. The energy management method is used for managing energy of the composite power supply of the electric automobile, so that the number of use times of a super-capacitor is increased, the working time of the APU system is shortened, and the fuel economy of the electric automobile is improved.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

System for monitoring intrusion on basis of wireless sensor network

The invention, which is applicable to civil security and surveillance and military intrusion detection, relates to a wireless network system for monitoring, identifying and judging the pathway of an intruding target by setting up a plurality of nodes. The intruding target can be located, identified and tracked by carrying out the extraction, analysis and data integration on the signal characteristic quantity of the sensors at each monitoring node, moreover, the function for a user to set sensitive areas is served, so that various alarm signals can be sent according to the closeness of the intruding target to the sensitive areas. Additionally, a monitoring sensor at the monitoring node is used for generating sleeping and waking-up signals on a real-time basis, thus achieving the deep sleeping and waking of the processor and the communication module and achieving the purpose of saving the energy of the monitoring nodes and guaranteeing that the target intruding the monitoring area can be reliably monitored at the same time. The invention has the characteristics of low cost, low power consumption, flexible arrangement and high applicability and overcomes the defects that the conventional video monitoring method for monitoring the intrusion has complex installation, poor concealment, vulnerable circuit and limited monitoring range and requires artificial event discrimination.
Owner:BEIHANG UNIV

Airline planning method and device for surveying and mapping unmanned aerial vehicle

The invention discloses an airline planning method for a surveying and mapping unmanned aerial vehicle. The airline planning method comprises the following steps: S1: determining a target surveying and mapping area; S2: determining the initial position and the heading angle of the unmanned aerial vehicle; S3: determining a flight strip interval and flight height; S4: according to target area information obtained in the S1 and initial position data of the unmanned aerial vehicle obtained in the S2, generating longitude and latitude coordinates of all waypoints capable of completely covering the target surveying and mapping area; S5: determining a landing point and a landing direction, and generating a longitude and latitude coordinate of a homeward voyage waypoint and a longitude and latitude coordinate of a landing waypoint; S6: connecting the longitude and latitude coordinates of all waypoints, and combining with the flight height obtained in the S3 to generate an airline. The invention also discloses an airline planning device for the surveying and mapping unmanned aerial vehicle. The airline planning device comprises an input end, a sensing module, a collection module, a calculation module, a homeward voyage processing module and an airline generation module.
Owner:深圳市九天创新科技有限责任公司

Communication system for realizing information encryption/decryption transmission based on quantum network and communication method

The invention discloses a communication system for realizing information encryption/decryption transmission based on a quantum network and a communication method. The communication system comprises quantum network service stations configured at a network side and clients configured at a user side. The system is also equipped with a quantum key card. True random numbers are generated at the network side. The true random numbers are respectively stored in the quantum key cards and the network side to form corresponding user side keys. The user side keys of the quantum key card and the network side are respectively used for encrypting and decrypting information when the clients communicate with the corresponding quantum network service stations. According to the system and the method, a quantum key seed is operated through utilization of the quantum key card, a large number of keys are generated in a short time, and the keys directly participate in the encryption and decryption processes of the information. The utilization efficiency of the keys is improved, the working process of the communication system is optimized, and the system and the method are beneficial for establishment and production of the quantum communication system and the application promotion of the quantum communication system in life.
Owner:ZHEJIANG SHENZHOU QUANTUM NETWORK TECH CO LTD

Dual platform switching system for mask aligner silicon slice platform using conveyer structure

The invention provides a double-platform exchanging system for a photoetching machine silicon chip platform with a conveyor belt and belongs to the technical field of the manufacturing equipment of a semiconductor. The invention comprises a silicon chip platform operated on a pretreatment station and a silicon chip platform operated on an exposure station; the pretreatment station and the exposure station are respectively provided with a H-typed driving unit and the H-typed driving unit consists of X-directional straight line motors on the two sides and a Y-directional straight line motor, both of which are used for driving the silicon chip platform to move along X direction and Y direction on the pretreatment station and the exposure station; the two sides of a base station are respectively provided with a conveyor belt in the system and a butt slide block is fixed on and connected with the lateral side of the conveyor belt; with the conveyor belt and the butt slide block, the transition of the silicon chip platform 1 from the pretreatment station to the exposure station can be realized. As the invention adopts the conveyor belt structure, the invention effectively avoids the problem of accurate abut joint of the guide rail of the patent ZL03156436.4 double-platform exchanging system and has the characteristics of simple operation and small size of outline, etc.
Owner:TSINGHUA UNIV

Multi-layer oil reservoir overall yield prediction method

The present invention discloses a multi-layer oil reservoir overall yield prediction method. The method comprises: dividing a multi-layer oil reservoir into a plurality of blocks, determining a reservoir stratum type, a formation factor Kh and an evaluated reserve volume of each small layer of each block; selecting, from the plurality of blocks, a block representing a multi-layer oil reservoir geological feature as a representative block, establishing a fine geological model of the representative block; establishing a corresponding fine numerical simulation model according to the fine geological model of the representative block, determining a typical mining curve of different types of reservoir strata in different development manners; determining a relationship curve between a single well injection amount and Kh in the multi-layer oil reservoir, and a relationship curve between a produced quantity and Kh; and predicting a multi-layer oil reservoir yield according to the typical mining curve, the relationship curve between the injection amount and Kh, the relationship curve between the produced quantity and Kh, and the reservoir stratum type, Kh and evaluation reserve volume of each small layer of each block. According to the multi-layer oil reservoir overall yield prediction method, the prediction accuracy of the multi-layer oil reservoir overall yield is improved, and further, working efficiency is improved.
Owner:PETROCHINA CO LTD

Multi-rotor unmanned aerial vehicle detection platform system for detecting surface cracks of structural member and method for detecting surface cracks of structural member with multi-rotor unmanned aerial vehicle detection platform system

The invention discloses a multi-rotor unmanned aerial vehicle detection platform system for detecting surface cracks of a structural member. The multi-rotor unmanned aerial vehicle detection platform system comprises a multi-rotor unmanned aerial vehicle, a control system and a wireless communication system; the multi-rotor unmanned aerial vehicle for providing a task load and detecting the surface cracks of the structural member comprises a vehicle body, a power system and a sensing system; the control system comprises an upper computer, a lower computer and a hand-held remote control unit; the upper computer is a ground station provided with a main control computer; the lower computer is an execution control module arranged on the multi-rotor unmanned aerial vehicle; the wireless communication system comprises a data transfer radio, a gain antenna and an image transmission module; the main control computer arranged on the ground station transmits information by means of the data transfer radio and controls the flight of the multi-rotor unmanned aerial vehicle through the execution control module arranged on the multi-rotor unmanned aerial vehicle. The platform detecting system is high in degree of automation; by use of a method for detecting the surface cracks of the structural member with the platform detecting system, the working time required by detecting can be effectively saved, and the detection cost is greatly reduced; the multi-rotor unmanned aerial vehicle detection platform and the method are particularly suitable for detection work of cracks on the surface of a large-sized structural member.
Owner:LIUZHOU OVM MASCH CO LTD

Grid drive circuit and array substrate and display panel thereof

The invention relates to a grid drive circuit and an array substrate and a display panel of the grid drive circuit. The grid drive circuit comprises multi-stage grid drive units, each stage of grid drive unit comprises a starting unit, an energy storage unit, a pulling-up unit, a first pulling-down unit and a second pulling-down unit, wherein the second pulling-down unit is coupled with the energy storage unit and a grid line and used for generating second control signals intermittently according to a driving voltage, a time pulse signal and a second reference voltage so that the driving voltage and a grid signal on the grid line can be pulled down to the second reference voltage. Besides, in order to prevent the problem because a leakage current exists between a first reference voltage and the second reference voltage, a chip responsible for providing the reference voltages is burnt, transistors which are located between the first reference voltage and the second reference voltage and the leakage current may flow through are further changed to a plurality of transistors in series connection so that the electric leakage probability is reduced. The grid drive circuit and the array substrate of the grid drive circuit are enhanced in reliability, the service life is long, and the grid drive circuit can be applied to various display panels.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD

Method for extracting germanium from chlorinated distillation slag

The invention relates to a method for extracting germanium from chlorination distillation slag. The method comprises the following processes: primary alkaline leaching, secondary alkaline leaching, desiliconization, the alkaline leaching of silica residue, germanium precipitation, drying and ignition, chlorination and distillation, and the like. The germanium leaching efficiency is above 85 percent, the desiliconization rate is above 95 percent, the germanium precipitation rate is above 95 percent, and the recovery rate of germanium is above 70 percent. The method for extracting the germanium can annually process more than 2,000 tons of chlorination slag, recover more than 1 ton of germanium (by Ge in GeCl4), and obtain 4.5 million RMB of profit payment and tax turnover. The method solves the problems of the silicon germanium separation in alkaline liquid, germanium precipitation technology, and the like. The method opens up a reasonable path to extract the germanium from the chlorination distillation slag, reduces the piling amount of the waste slag, reasonably utilizes the resources, reduces the working time, and indirectly reduces the production cost. The cost of germanium precipitation is reduced from 695 RMB/kg Ge which is the cost of germanium precipitation through the prior tannin extract (high price) to 370 RMB/kg Ge.
Owner:YUNNAN LINCANG XINYUAN GERMANIUM IND
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