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49results about How to "Implement failure analysis" patented technology
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Method for fault diagnosis of wind turbines on basis of genetic neural network
InactiveCN101872165AWith global diagnosticsImplement global diagnosticsAdaptive controlElectricityReal-time data
The invention discloses a method for the fault diagnosis of wind turbines on the basis of a genetic neural network, in particular to a method for modeling the fault diagnosis of wind turbines on the basis of the genetic neural network capable of learning the operating data of the wind turbines in the history, more particularly a method for judging the probability that faults occur to a gearbox, a generator and a yaw system by reading the real-time operating data of the wind turbines online and calling the diagnosis model of the genetic neural network to carry out the analysis on the real-time data, thus judging the fault state of the wind turbines. Based on the method combining the genetic algorithm with the neural network, the invention can achieve the algorithm complementation, improve the model convergence and diagnostic capacity and ensure higher robustness; and the method capable of carrying out the online monitoring and fault diagnosis on the operating state of the wind turbines on a real-time basis to take maintenance measures as soon as possible can improve the reliability of the wind turbines and reduce the maintenance cost.
Owner:XI AN JIAOTONG UNIV
Small-current grounding fault line selection device-based power distribution network grounding fault location method
ActiveCN107144762AImprove power supply reliabilityImprove processing efficiencyFault location by conductor typesCurrent measurements onlyFault indicatorTransient state
The present invention belongs to the power system power distribution network single-phase grounding fault detection technical field and relates to a small-current grounding fault line selection device-based power distribution network grounding fault location method. The method specifically includes the following steps that: (1) a small-current grounding fault line selection device acquires bus-bar zero-sequence voltage and the zero-sequence current of the head end of each line at a fault time point; (2) a fault indicator acquires fault current peak signals and zero-sequence current signals at the fault time point; (3) the small-current grounding fault line selection device selects a fault line; (4) the small-current grounding fault line selection device collects characteristic signals acquired by the fault indicator on the fault line; and (5) and single-phase grounding fault location judgment is performed. With the method of the invention adopted, the single-phase grounding fault of a power distribution network can be accurately located; and the small-current grounding fault line selection device applies transient signal characteristic frequency band line selection theory, and therefore, the line selection accuracy of the small-current grounding fault line selection device can be higher than 98%, and transient signals can be accurately captured, fault analysis and traceability can be realized, and load on-line measurement, statistics and analysis are supported.
Owner:ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD +1
Transformer station intelligent expert system based on editable formula scripts
ActiveCN103544574AAssist in judging and handling accidents and exceptionsImprove real-time processingResourcesOnline analysisReal time analysis
The invention discloses a transformer station intelligent expert system based on editable formula scripts. The transformer station intelligent expert system comprises a real-time analysis display main module, an expert knowledge base offline configuration tool module, a knowledge database module, a processing unit in which an editable formula script preprocessing layer is combined with a rule mode matching layer, a discrete event dynamic comparison unit capable of configuring effective time domains, a rule condition delay effectiveness and delay return trigger mechanism unit and a configurable 'before happening' and 'after happening' correlation site information automatic collection unit. By the adoption of the scheme, information of a transformer station monitoring system, such as the electric quantity, signals, warning and events, can be processed in a unified and comprehensive mode, an expert knowledge base can be flexibly modified and extended, the expert system can accurately and timely assists transformer station operators on duty and maintenance staff in correctly judging and processing accidents and exceptions through intelligent warning and real-time online analysis, and therefore the new requirements oriented to digital and intelligent transformer stations are better met.
Owner:南京国电南自轨道交通工程有限公司
Intelligent public traffic system
ActiveCN1529527ARealize automatic statisticsAchieve over-the-air updatesRoad vehicles traffic controlNetwork topologiesDynamic monitoringTransit bus
The system comprises wireless communication dedicated network and computer software management system. The dedicated network is composed of dedicated frequency channel, base station equipment, link transmission equipment and bus carried terminals. Computer software management system consists of subsystem of electric arranging buses and subsystem of dynamic monitoring. The system provides advantages of very low running expenses, large user capacity at single frequency point, fast information response speed, powerful linking ability of base station including individual call, group call and cluster call, automatic statistics for passenger flow of getting on and getting off as well as updating and down loading bus carried data wirelessly. Running condition of wireless network and fault analysis are monitored remotely. Computer software management system includes multifunctional subsystems assemble by user. The invention is suitable to areas of materials circulation, special vehicle etc.
Owner:HUALU ZHIDA TECH
Fault analyzing and diagnosing device and method of converter valve cooling system
ActiveCN104330275AImplement failure analysisImplement diagnosticsStructural/machines measurementStop timeEconomic benefits
The invention discloses fault analyzing and diagnosing device and method of a converter valve cooling system. The device and method are characterized in that the high-precision processing function of various special sampling information of the converter valve cooling system is realized, the real-time monitoring and remote storing function of the device fault working condition information of the converter valve cooling system, the comprehensive diagnosing function of the automatic fault analyzing and fault positioning of the converter valve cooling system is realized, and the emergency handling capacity of the converter valve cooling system is improved. With the adoption of the instrument, the reliability of safe running of the converter valve cooling system can be effectively improved, the emergency handling efficiency of the field technical person to the converter valve cooling system can be raised, and the abnormal stopping time of the device can be effectively reduced, and therefore, more economic benefit can be created, and a good market popularization and application prospect is brought.
Owner:QUJING BUREAU OF SUPERVOLTAGE POWER TRANSMISSION CHINA SOUTHERN POWER GRID
Distributed photovoltaic power station monitoring system based on virtual and real data fusion
PendingCN112994229ARealize comprehensive real-time monitoringAchieving identifiabilityCircuit arrangementsData switching networksCommunication interfaceMonitoring system
The embodiment of the invention provides a distributed photovoltaic power station monitoring system based on virtual and real data fusion. The distributed photovoltaic power station monitoring system comprises a plurality of data sensors, a virtual-real fusion data subsystem, a digital domain, a communication interface and protocol conversion unit, the communication interface and protocol conversion unit is used for data communication among a physical domain, the virtual-real fusion data subsystem and the digital domain, and a data uplink information channel and a data downlink instruction channel are communicated; physical data and information data of each physical device of the distributed photovoltaic power station are collected through the virtual-real fusion data subsystem, so that the operation state synchronization of the physical model of the digital domain and each physical device of the distributed photovoltaic power station is realized. And fault analysis and control are realized through other models of the digital domain. Comprehensive real-time monitoring of the distributed photovoltaic power station and real-time identification and control of a fault state are realized; the physical model records the operation state of the physical equipment, so that virtual reproduction can be carried out for fault tracing after the fault occurs.
Owner:STATE GRID E COMMERCE CO LTD +1
Hydropower station intelligent inspection system
PendingCN110110869ARealize online high concurrent computingGuaranteed uptimeData processing applicationsDigital data information retrievalData acquisitionData recording
The invention discloses a hydropower station intelligent inspection system. The system comprises a data layer which is used for the collection, convergence, analysis, calculation and storage of the operation parameters and the environment data of the hydroelectric equipment, the real-time recognition, analysis and diagnosis of the images and audio data, and the transmission of the data to an application layer; an application layer which interacts with a user and is used for service agency, engine scheduling, integrated management, identity authentication and authority control; and a client which performs visual display, alarming, linked playback and event recording of the historical data according to the data of the data layer and the application layer. According to the present invention,the state of the hydroelectric equipment is monitored through image acquisition, audio data acquisition, data linkage, data recording and playback, and the machine identification of equipment defectsand faults is realized; the data acquisition and analysis are carried out through the inspection robot, the visible light camera, the infrared thermal imaging device and the audio acquisition device,and the manual inspection work of the hydropower station is replaced.
Owner:国能大渡河瀑布沟发电有限公司
Remote fault analysis method, vehicle-mounted terminal, server, equipment and medium
InactiveCN112233278AReduce tracking time cost and economic costFacilitate failure analysisRegistering/indicating working of vehiclesIn vehicleEmbedded system
The embodiment of the invention provides a remote fault analysis method, a vehicle-mounted terminal, a server, equipment and a medium. The method comprises the steps of determining the vehicle-mountedterminal to be monitored; receiving a configured log uploading request sent by a server, wherein the log uploading request at least comprises a unique identity identifier of the vehicle-mounted terminal and a preset time period; in response to the log uploading request, capturing log data of a mounting point of peripheral equipment on the vehicle-mounted terminal in the preset time period according to the unique identity identifier; and sending the log data to the server so as to facilitate the server to perform fault analysis on the log data. The log data of the vehicle-mounted terminal is obtained remotely, the overall logs of abnormal points in front of and behind the whole vehicle-mounted terminal are obtained at the vehicle-mounted terminal and transmitted to the server, the server side directly analyzes the logs of the abnormal points, fault analysis of the vehicle-mounted terminal is achieved more conveniently, and the tracking time cost and economic cost are reduced.
Owner:智道网联科技(北京)有限公司
Simulation platform for rod control system of nuclear power station
InactiveCN107123449AImplement failure analysisAchieve overhaulNuclear energy generationNuclear monitoringSilicon-controlled rectifierControl signal
The invention discloses a simulation platform for a rod control system of a pressurized water reactor nuclear power station. The simulation platform comprises a simulation and data acquisition cabinet, wherein the simulation and data acquisition cabinet comprises a simulation unit and a data acquisition unit, and the simulation unit outputs a simulation signal; the data acquisition unit acquires a process signal; a manual control console simulates a master control room and outputs a control signal; a logic cabinet produces a rod position movement command; a power cabinet comprises a circulatory monitoring logic unit and a silicon controlled rectifier circuit, and the circulatory monitoring logic unit controls the silicon controlled rectifier circuit to output a coil running signal; a load simulation cabinet simulates lifting and thrusting actions of a control rod according to the coil running signal; and a distribution box is used for power distribution of all the other cabinets. As the simulation platform for the rod control system of the nuclear power station comprises all typical equipment of the rod control system, on-site equipment failure analysis and maintenance of the rod control system, functional verification and burning of key equipment, and technical training and software and hardware operation training of on-site maintenance personnel of the rod control system are realized.
Owner:CHINA GENERAL NUCLEAR POWER OPERATION +2
Elevator control circuit
The invention discloses an elevator control circuit. The elevator control circuit comprises an elevator safety circuit, a lift car accidental movement protection relay, a releveling operation relay and a releveling state relay. According to the elevator control circuit, it is guaranteed that accidental movement of a lift car can be prevented, and the state of a door lock of a car door and the state of a door lock of a layer door can be precisely detected and distinguished. Furthermore, during detection, front and rear doors of an elevator are distinguished.
Owner:SHANGHAI MITSUBISHI ELEVATOR CO LTD
Power transmission and distribution measuring system based on unmanned plane technology and measuring method thereof
InactiveCN105891580AEasy to detect concealed electricity theftClandestine electricity theft was seizedCurrent measurements onlyCurrent transducerData synchronization
The invention relates to a power transmission and distribution measuring system based on an unmanned plane technology and a measuring method thereof. The system comprises a high-voltage circuit timely collection assembly, a monitoring assembly and an electric power company electricity consumption information collection system, wherein the high-voltage circuit timely collection assembly comprises an unmanned plane, and a current sensor and a network transmission module which are hung by the unmanned plane, the current sensor is used for collecting current data of a high-voltage circuit, and the network transmission module is used for being remotely connected with the monitoring assembly; and the monitoring assembly is used for being connected with the network transmission module of the high-voltage circuit timely collection assembly, being remotely connected with the electric power company electricity consumption information collection system and carrying out data processing and comparison on the received data information after the connection with the high-voltage circuit timely collection assembly and the electric power company electricity consumption information collection system. According to the invention, the data measured on the line is synchronized, converted and returned to an earth station for comparison, processing and analysis, whether the high-voltage current and a current practically used by a user end are abnormal is discovered, and alarming is carried out if an abnormity is discovered.
Owner:SKILL TRAINING CENT STATE GRID JIBEI ELECTRONICS POWER COMPANY +1
Method and device for detecting multiple electronic control units of automobiles
InactiveCN110069050AImplement failure analysisAvoid time-consuming troubleshootingProgramme controlVehicle testingFault analysisComputer science
The invention discloses a method for detecting multiple electronic control units of automobiles. The method for detecting multiple electronic control units of automobiles comprises the steps of respectively setting communication parameters of each ECU according to the type of an automobile; respectively communicating with each ECU through the communication parameters; judging whether the communication of each ECU is normal or not and adding the ECUs with normal communication to diagnosis menu list; and respectively carrying out fault diagnosis on the ECUs on the diagnosis menu list to realizethe fault analysis of the whole automobile. According to the method and device, excessive fault diagnosis time is prevented from being consumed on the ECUs which cannot work normally, and then the fault diagnosis and fault analysis efficiencies are improved.
Owner:SHENZHEN XTOOLTECH INTELLIGENT CO LTD
Electric energy meter measurement data fault analysis method based on improved AdaBoost algorithm
InactiveCN111551888AImprove the level of intelligenceStrong ability to process dataCharacter and pattern recognitionElectrical measurementsAlgorithmData information
The invention discloses an electric energy meter metering data fault analysis method based on an improved AdaBoost algorithm, relates to the technical field of electric energy metering detection, andsolves the technical problems of low data processing speed, lagged data management mode and low application efficiency in the prior art. According to the invention, the method comprises the steps: constructing a four-layer architecture comprising a metering detection layer, a data transmission layer, a data fusion calculation layer and a data application layer; combining the Internet of Things technology, the big data analysis technology and the data communication technology, and achieving the sensing, transmission, analysis and calculation of metering detection fault data of the electric energy meter and monitoring of upper-layer data, so that an electric energy management user can remotely monitor metering fault information of the electric energy meter in an online and real-time mode. According to the invention, the intelligent level is greatly improved, the data processing capacity is greatly enhanced, a large amount of multi-dimensional data can be processed within 10s, and a usercan rapidly obtain electric energy meter detection information from intricate multi-latitude data information.
Owner:宁夏隆基宁光仪表股份有限公司
Intelligent inspection system for substation and distribution station equipment, and inspection method thereof
ActiveCN109119923AReduce laborAccurate and comprehensive inspection dataCircuit arrangementsInformation technology support systemData acquisitionFault analysis
The invention discloses an intelligent inspection system for substation and distribution station equipment, and an inspection method thereof. The intelligent inspection system for substation and distribution station equipment includes an inspection robot, an information center, a fixed detection device and a mobile management terminal, wherein the information center and the inspection robot are inwirelessly communication connection; the mobile management terminal and the inspection robot are connected through a short message module; and the fixed detection device is in wired connection with the information center. The intelligent inspection system for substation and distribution station equipment uses the inspection robot to perform inspection of the substation and distribution station equipment, and uses an industrial camera and various sensors to collect images and data, thus being accurate and comprehensive in the inspection data, and being quick in inspection. Besides, the intelligent inspection system for substation and distribution station equipment uses the information center to concentratedly supervise the inspection data, thus reducing the amount of labor of workers, andaccumulating the operation situation of the equipment to achieve fault analysis and early warning at the same time.
Owner:HEFEI UNIV OF TECH
Wave-recording data transmission method, device and system
InactiveCN106549735AAchieve positioningImplement failure analysisError prevention/detection by using return channelComputer hardwareMaster station
The invention discloses a wave-recording data transmission method, device and system. The method comprises: after a line occurs a fault, a wave-recording device acquires sampling data within a preset time; the wave-recording device obtains wave-recording data according to the sampling data based on the preset general standard, wherein the wave-recording data comprises a head file and a data file; and after receiving a data request sent by a master station, the wave-recording device sends the wave-recording data to the master station, wherein the master station processes the wave-recording data and obtains a processing result. According to the wave-recording data transmission method, device and system, a technical problem that the wave-recording data transmission method in the prior art does not utilize the industry general standard is solved.
Owner:STATE GRID BEIJING ELECTRIC POWER +1
Wafer failure analysis method
ActiveCN112180231AImplement failure analysisAvoid damageElectronic circuit testingWaferFailure analysis
The embodiment of the invention discloses a wafer failure analysis method, which comprises the steps of determining a target test area in a cutting channel of a wafer, the wafer comprising a driving wafer layer and an array wafer layer which are stacked, wherein the array wafer layer comprises a stacking layer located on the driving wafer layer and a substrate located on the side, deviating from the driving wafer layer, of the stacking layer, and the target test area comprises a through contact penetrating through the array wafer layer and a test structure formed in the driving wafer layer andlocated below the through contact; performing protection processing on the surface of the through contact to obtain a wafer after protection processing; etching the substrate, located in the array wafer layer, in the wafer after the protection processing to obtain a wafer after the etching processing; and performing failure analysis on the wafer after the etching processing.
Owner:YANGTZE MEMORY TECH CO LTD
Avionics system fault analysis method based on graph database
ActiveCN111552848AImplement queryAchieve statisticsOther databases indexingOther databases queryingSystems designSystem maintenance
The invention belongs to the technical field of avionics system maintenance and guarantee. The invention discloses an avionics system fault analysis method based on a graph database And the method comprises the steps of utilizing an avionics system design document and fault case data; creating a graph database according to the modeling method; according to the method, modeling definition is performed on an architecture entity, a fault mode, a fault case and a relationship respectively, and setting related attribute information to store system design knowledge and fault data, so that a retrieval function for query, statistics and interpretation can be conveniently created by subsequent applications, and the method is applied to interactive query of graph data to assist fault maintenance guarantee work of an avionic system.
Owner:CHINESE AERONAUTICAL RADIO ELECTRONICS RES INST
Fault wave recording networking system
InactiveCN103683509AAchieve accessImplement failure analysisCircuit arrangementsData acquisitionFault analysis
The invention provides a fault wave recording networking system. The fault wave recording networking system comprises an IDM fault wave recording device, a wave recording server and a dispatching automation system, wherein the IDM fault wave recording device comprises a data acquisition system and a local storage unit, the data acquisition system transmits acquired fault wave recording data to the local storage unit to be stored, when the local storage unit receives a dispatching request sent by the wave recording server, the local storage unit sends the stored fault wave recording data to the wave recording server, the wave recording server receives the fault wave recording data and conducts fault analysis on the fault wave recording data, and then the fault analysis report is sent to the dispatching automation system. It can be seen that according to the fault wave recording networking system, accessing of the IDM fault wave recording device is achieved, meanwhile, fault analysis is conducted on the fault wave recording data, and therefore the difficult problems in the prior art are solved.
Owner:STATE GRID CORP OF CHINA +3
Three-dimensional imaging method for realizing dendritic crystals in lithium metal battery by using photoacoustic imaging
ActiveCN110398461AGrowth can be observedEasy to observeMaterial analysis by optical meansButton batteryLithium metal
The invention discloses a three-dimensional imaging method for realizing dendritic crystals in a lithium metal battery by using photoacoustic imaging. Sample preparation comprises: cutting out a portion having a flat cross section on a symmetric battery sample, wherein the side surface of the portion is a photoacoustic imaging observation surface; cutting off one corner of a cathode lithium sheetfor marking a relative position of the sample; placing the portion into a stainless steel button battery shell for electrochemical test, and performing charging test by using set current intensity; and after charging is completed, disassembling a button battery, and taking out the battery sample to complete the sample preparation. Image acquisition comprises: putting the sample on a sample platform, and fixing the sample; ensuring that the sample is located on a focal plane of laser by adjusting the height of the sample and observing the intensity of an ultrasonic signal; and performing two-dimensional scanning on the sample. The three-dimensional imaging method disclosed by the invention realizes three-dimensional imaging of the dendritic crystals in the lithium metal battery by using thephotoacoustic imaging, so that the method has an extremely large penetrating depth; metal features can also be directly observed even in a membrane; and the three-dimensional imaging method has the advantages of relatively low cost and easy operation.
Owner:SHANGHAI JIAO TONG UNIV
Intelligent communication type battery charge and discharge optimization control system and method
InactiveCN104009525AImprove securityImprove stabilityBatteries circuit arrangementsElectric powerElectricityBattery charge
The invention provides an intelligent communication type battery charge and discharge optimization control system. The system is composed of battery control panels and at least one battery unit control module set connected with the battery control panels, wherein the battery unit control module set is composed of a plurality of battery unit control modules which are electrically connected with the battery control panels in parallel. Each battery control panel comprises a signal processing module a, a signal processing module b, a voltage adjusting circuit module, a communication module, a power bus and a data bus which are all connected with the corresponding control module. The method for implementing the system includes the steps that when the current input voltage is larger than a preset norminal voltage, the multiple battery control panels are connected with the power buses in parallel so that charging can be performed; otherwise, the multiple battery unit control modules are connected with the power buses in series, and the multiple battery unit control modules are controlled to perform discharging. Due to the intelligent communication type battery charge and discharge optimization control system, safety and stability of battery packs can be improved, the charging speed of the battery packs is increased, and the service life of the battery packs is prolonged as a whole.
Owner:徐宪华
Sample preparation method and sample preparation equipment for chip failure analysis
ActiveCN114280451AImplement failure analysisOvercome Bonding Wire ProblemsElectronic circuit testingPreparing sample for investigationElectrical connectionEngineering
The invention provides a sample preparation method and sample preparation equipment for chip failure analysis. The method comprises the following steps of: removing the back surface of a chip to be processed until a processed chip exposing the back surface of a bare chip in the chip to be processed and the cross section of a chip lead is obtained, and fixing the front surface of the processed chip on a fixing plate; and electrically connecting the cross section of the chip lead with the analysis circuit board through the target wire by adopting a preset wire welding machine based on the configured wire welding debugging parameters. According to the method, the defect that failure analysis of multi-welding-spot power-up cannot be carried out on the failure chip in the prior art is overcome, and meanwhile, the failure analysis efficiency is improved.
Owner:GIGA FORCE ELECTRONICS CO LTD +1
Inspection robot system for wind turbine generator
InactiveCN112621745ARealize condition monitoringRealize data analysisProgramme-controlled manipulatorConvertersTransceiver
The invention relates to an inspection robot system for a wind turbine generator. The inspection robot system comprises an intelligent cabin inspection robot, a robot cabin cabinet, a robot tower bottom cabinet and an intelligent inspection robot remote monitoring station, the intelligent cabin inspection robot carries a monitoring sensor and is used for advancing in a cabin according to a specified route and inspecting monitoring points in the cabin through the carried monitoring sensor, the monitoring sensor comprises an infrared night vision camera, a thermal imaging camera, a smoke sensor body, a sound sensor body and a temperature and humidity sensor body, the monitoring points in the cabin comprise a generator, a high-speed shaft, a gear box, a main shaft, a main shaft bolt and a cabin cabinet, the robot cabin cabinet comprises a controller, a stabilized voltage supply, a photoelectric converter and an optical transceiver. the robot tower bottom cabinet comprises an optical transceiver, a wifi gateway and a handheld operation terminal, and the intelligent inspection robot remote monitoring station comprises a monitoring device. The inspection robot system has the advantages of being capable of realizing cabin internal state monitoring, data analysis and fault analysis, reliable, high in efficiency, time-saving, safe and the like.
Owner:大唐可再生能源试验研究院有限公司
Ultrahigh-frequency testing device for transponders
InactiveCN101014876AImplement failure analysisAccurate assignmentCo-operative working arrangementsTransmission monitoringUltrahigh Frequency WavesUhf antennas
The invention relates to an ultrahigh-frequency testing device for transponders that are two-dimensionally disposed behind and / or next to each other on or in an area of a joint support. Said testing device is used for checking ultrahigh-frequency functions and other transponder (2) data by means of at least one ultrahigh-frequency antenna element (3). Said antenna element (3) is located within a shielding housing (4) which acts in an isolating manner on ultrahigh-frequency waves and is provided with an opening (5) that faces a selected transponder (2) which is to be checked. Said opening (5) has an area that is adapted to the basal surface of the transponder (2).
Owner:MUEHLBAUEHR AG
Intelligent public traffic system
InactiveCN100531452CRealize automatic statisticsRealize monitoringRoad vehicles traffic controlNetwork topologiesUplink transmissionOn board
The intelligent public transportation system relates to the intelligent transportation system in the fields of communication and computer software technology. Including wireless communication private network and computer software management system, wireless communication private network is composed of dedicated frequency band, base station equipment, link transmission equipment and vehicle terminal, computer software management system includes two subsystems of electronic scheduling and dynamic monitoring. The operating cost of the system is extremely low, the user capacity of a single frequency point is large, the response speed of dispatching information is fast, the base station has strong networking capabilities, and can dispatch vehicles in real time in various calling methods such as single call, group call, and group call; fully automatic station announcement service, up and down Automatic statistics of vehicle passenger flow, wireless update and download of vehicle data; remote monitoring of the entire wireless network operation status and fault analysis, computer software management system with fully functional subsystems, which can be disassembled and assembled by users as needed, bringing economic benefits and Social benefits can also be applied to logistics, special vehicles, shipping, airport transportation and other fields.
Owner:智达信科技术股份有限公司
SD card redundant data processing method based on alarm function
InactiveCN110389881AReduce storage pressureReduce consumptionHardware monitoringReal-time dataThe Internet
The invention relates to the field of Internet of Vehicles, in particular to an SD card redundant data processing method based on an alarm function. The method comprises the steps of judging whether alarm information exists or not in real time, when the alarm information exists, driving cycles before M pieces of driving cycle data of the alarm information are deleted, reserving M nearest driving cycle data, and if the number of the driving cycles is smaller than M, reserving all the data, and uploading the reserved data to a cloud platform after fault backup; and when the stored driving cycleexceeds N, deleting the driving cycle before the M driving cycles. The function of storing real-time data in the research and development process can be met, redundant data can be deleted to relieve the storage pressure of an SD card, and it can be guaranteed that effective data is obtained for analysis during alarming.
Owner:WEICHAI POWER CO LTD
High-frequency RFID radio frequency signal monitoring system and method
ActiveCN109194370BListen for transmissionsImplement debuggingNear-field in RFIDShort range communication serviceComputer hardwareRadio frequency signal
The invention discloses a high-frequency RFID radio frequency signal monitoring system and method. The high-frequency RFID radio frequency signal monitoring system includes: waveform acquisition module, rectification and filtering module, data preprocessing module, and decoding module. The waveform acquisition module is used to collect the waveform data of the radio frequency signal between the reader and the transponder. The rectification and filtering module is coupled with the waveform acquisition module and is used for rectifying and filtering the waveforms collected by the waveform acquisition module. The data preprocessing module is coupled with the rectification and filtering module, and is used for digitally preprocessing the rectified and filtered waveform data. The decoding module is coupled to the data preprocessing module and is used to decode the digital data of the data preprocessing module to obtain communication data between the reader and the responder. The high-frequency RFID radio frequency signal monitoring system and method can use existing general-purpose equipment to monitor high-frequency radio frequency signals, have low implementation cost, and can be widely used.
Owner:BEIJING SMARTCHIP MICROELECTRONICS TECH COMPANY +1
Intelligent communication battery charge and discharge optimization control system
InactiveCN104009525BImprove securityImprove stabilityBatteries circuit arrangementsElectric powerElectricityBattery charge
Owner:徐宪华
Mechanical fault simulation analysis system and method
PendingCN113821762AImplement failure analysisSubsonic/sonic/ultrasonic wave measurementComplex mathematical operationsReal-time computingSoftware
The invention discloses a mechanical fault simulation analysis system and a mechanical fault simulation analysis method, which can simulate various different mechanical faults and remotely output fault results in real time through a network, can observe an experimental process outside a laboratory in real time, timely discover problems of each stage in the experimental process, and can also store experimental records at the same time. According to the invention, the software arranged on the server or the client is adopted to carry out frequency spectrum and time domain analysis on the fault signal, so that the whole process of mechanical fault simulation can be more intuitively and directly known, that is, fault simulation and fault analysis are realized, and the system is a set of relatively perfect analysis system.
Owner:杭州云知物智能科技有限公司
Intelligent inspection system and inspection method for substation and distribution station equipment
ActiveCN109119923BReduce laborAccurate and comprehensive inspection dataCircuit arrangementsInformation technology support systemData acquisitionFault analysis
The invention discloses an intelligent inspection system for substation and distribution station equipment, and an inspection method thereof. The intelligent inspection system for substation and distribution station equipment includes an inspection robot, an information center, a fixed detection device and a mobile management terminal, wherein the information center and the inspection robot are inwirelessly communication connection; the mobile management terminal and the inspection robot are connected through a short message module; and the fixed detection device is in wired connection with the information center. The intelligent inspection system for substation and distribution station equipment uses the inspection robot to perform inspection of the substation and distribution station equipment, and uses an industrial camera and various sensors to collect images and data, thus being accurate and comprehensive in the inspection data, and being quick in inspection. Besides, the intelligent inspection system for substation and distribution station equipment uses the information center to concentratedly supervise the inspection data, thus reducing the amount of labor of workers, andaccumulating the operation situation of the equipment to achieve fault analysis and early warning at the same time.
Owner:HEFEI UNIV OF TECH
A remote multi-channel optional video navigation and driving record system
ActiveCN103345784BAchieve positioningRealize monitoringRegistering/indicating working of vehiclesVideo monitoringImaging processing
The invention provides a navigation and driving recording system for a remote multipath optional video. The navigation and driving recording system comprises a camera component, an image processing module, an image storage module, a main control display module, a navigation module, a network module and a background receiving module, wherein the camera component comprises one or more cameras and is used for collecting multipath image information; the image processing module is connected with the camera component; the image storage module is connected with the image processing module; the main control display module is connected with the camera component and the image processing module respectively; the navigation module is connected with the main control display module; the network module is connected with the main control display module and the image processing module respectively; the background receiving module is connected with the network module. With the adoption of the navigation and driving recording system, a navigation function is supported, the functions of remote location, remote multipath optional video monitoring, vehicle fault real-time uploading, safety alarm and the like are also realized, and theft prevention, fault analysis and maintenance warning are realized.
Owner:SHENZHEN HANGSHENG ELECTRONICS
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