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135results about How to "Reduce the difficulty of troubleshooting" patented technology

Region recognition system and method of power line carrier

The invention relates to region recognition system and a region recognition method of a power line carrier, mainly applied to a concentrated meter reading system under a power line carrier environment. The aim of the invention is completed by the technical scheme as follows: the region recognition system of the power line carrier comprises a main station, a concentrator, a region signal generatorand a plurality of intelligent electric meters. According to the system and the method provided by the invention, the accuracy of the region information can be ensured while the labor cost is reduced,region recognition can be achieved via an electric meter registering process, and the process is greatly simplified.
Owner:HEXING ELECTRICAL +1

Vehicle fault detection method and system and vehicle

The invention provides a vehicle fault detection method and system and a vehicle. The vehicle fault detection method comprises the following steps: when a vehicle is powered off, monitoring message data of a plurality of nodes in a first CAN network segment; judging whether the message data of the plurality of nodes comprise sleep response setting identifiers or not; and if not, recording the message data of the corresponding node in the first CAN network segment. According to the fault detection method for the vehicle, the data generated when the vehicle sends the non-dormant fault is recorded, the troubleshooting difficulty of the accidental non-dormant fault is reduced, the troubleshooting time of after-sales service is shortened, and therefore the maintenance time and the maintenance cost are reduced.
Owner:GREAT WALL MOTOR CO LTD

Urban railway traffic full automatic operation signal vehicle-mounted equipment failure emergency processing method

The embodiment of the invention provides an urban railway traffic full automatic operation signal vehicle-mounted equipment failure emergency processing method. The method comprises the steps that operation state monitoring is conducted on a control end vehicle-mounted train automatic operation system ATO and a control end vehicle-mounted automatic protection sub system ATP in real time; if the control end vehicle-mounted ATO is subjected to breakdown, and the control end vehicle-mounted ATP runs normally, the control end vehicle-mounted ATP sends out a constant speed train control signal anda forward operating signal, so that the train runs to a next station in a constant speed mode. When the vehicle-mounted ATO is subjected to breakdown, and the control end vehicle-mounted ATP runs normally, the control site vehicle-mounted ATP sends out the constant speed train control signal and the forward operating signal, accordingly the train is controlled to run to the next station, and thendriven manually, accordingly the failure rescue difficulty is lowered, and the influences to the operation order are decreased.
Owner:TRAFFIC CONTROL TECH CO LTD

Warm backup multi-format switching system and method for video conference

The invention discloses a warm backup multi-format switching system and a warm backup multi-format switching method for a video conference, the warm backup multi-format switching system including a video signal detection module, an audio signal AD module, a video and audio switching module, a video signal processing module, an audio signal DA module and a signal direct connection module, wherein the video signal detection module identifies video signals sent by a master video conference terminal or a standby video conference terminal and detects abnormality and break-off of the video signals, and converts the video signals into signals with unified format; the video and audio switching module is used for achieving seamless switching of video and audio digital signals output by the master video conference terminal or the standby video conference terminal, when meeting switching conditions. The warm backup multi-format switching system and method for the video conference, the warm backup mode is adopted for preventing that the video conference from being forcibly broken off by faults of conference terminals, the troubleshooting difficulty of fault points is reduced; meanwhile, the consistency of the video signals is ensured by the seamless switching effect, and automatic switching between the master signals and the standby signals can be achieved without being noticed by conventioneers.
Owner:大连科迪视频技术有限公司

Automobile network system and automobile

The invention provides an automobile network system and an automobile. The automobile network system comprises a plurality of communication modules located at different areas of an automobile body. Each communication module comprises a plurality of ECU modules which are electrically connected through lines. Each communication module further comprises at least one special ECU module provided with a transceiver, and the communication modules are connected in a wireless communication mode through the special ECU modules. The communication modules are divided out by analyzing the distribution areas of the ECU modules on the automobile body; then, the ECU modules in each communication module are connected in a wired mode to achieve signal transmission between the ECU modules in the same area; meanwhile, the communication modules are connected in a wireless module through the special ECU modules, and accordingly signal transmission between the ECU modules in different areas is achieved so as to finish signal transmission of the automobile network. Thus, the wired mode and the wireless mode are combined, the use quantity of wiring harnesses between the communication modules is reduced, and the cost of the wiring harnesses is lowered.
Owner:GREAT WALL MOTOR CO LTD

Carbon tank cleaning electromagnetic valve leakage monitoring method

The invention relates to a carbon tank cleaning electromagnetic valve leakage monitoring method, and belongs to the technical field of engine fault diagnosis. The method comprises the following stepsthat after an engine is successfully started, an EVAP system closes a cleaning electromagnetic valve and a ventilation valve of an evaporation system, so that the evaporation system is in a closed state; a vacuum degree change value of the evaporation system is monitored in a set desorption flow integral threshold [delta]INT, and the vacuum degree change value of the evaporation system is converted into a real vehicle vacuum degree change curve; the EVAP system compares the real vehicle vacuum degree change curve with a calibration vacuum degree change curve to obtain an equivalent leakage aperture of the cleaning electromagnetic valve; and the EVAP system detects whether the equivalent leakage aperture is larger than a set value or not, if the equivalent leakage aperture is larger than the set value, an OBD system judges that leakage exists in the cleaning electromagnetic valve, and overhaul prompting is conducted on the cleaning electromagnetic valve. The monitoring method can accurately monitor whether leakage exists in the cleaning electromagnetic valve or not, and the troubleshooting difficulty of the OBD system is lowered.
Owner:DONGFENG MOTOR CORP HUBEI

Vehicle door safety loop line fault point detection system and fault judging method

The invention relates to a vehicle door safety loop line fault point detection system. The vehicle door safety loop line fault point detection system includes a vehicle door safety loop line and doorcontrollers assigned to all vehicle doors, wherein the vehicle door safety loop line connects a first group of contacts at both ends of state switches of all vehicle doors in series, and the vehicle door safety loop line is correspondingly provided with a first safety loop line end and a second safety loop line end of each vehicle door at the two ends of each door state switch; the first safety loop line end and the second safety loop line end are connected to the input end of the corresponding door controller; and the door controller collects an electric level state fed back from the first safety loop line end and the second safety loop line end, and the vehicle door safety loop line fault point detection system judges whether the vehicle door safety loop line has a fault or not and the location of a fault point by comparing an collected electric level state fed back from the first safety loop line end and an electric level state fed back from the second safety loop line end. In addition, the invention further provides a fault judging method for the vehicle door safety loop line fault point detection system.
Owner:CRRC DALIAN CO LTD

Pole and tower power transmission line fault indicator

The invention relates to a high-voltage power transmission line grounding fault indicating and positioning device, in particular to a pole and tower power transmission line fault indicator and belongs to the technical field of electric power tools. The pole and tower power transmission line fault indicator comprises a base, a current transformer and a control circuit board connected with a power source are arranged on the base, an MCU processor is welded to the control circuit board, the secondary current output end of the current transformer is connected with the signal input end of the MCU processor through a rectifying and filtering circuit and an amplifying circuit which are arranged on the control circuit board, the signal input end of the MCU processor is further connected with a photoresistor, the control output end of the MCU processor is respectively connected with a turnover indicator and an LED caution light, a semicircular shell is arranged above the base, a display window is arranged on the semicircular shell, and the display window corresponds to the turnover indicator, the LED caution light and the photoresistor which are arranged on the base. The pole and tower power transmission line fault indicator is simple in structure, the fault of a power transmission line can be fast and accurately positioned, the fault finding difficulty is reduced, the workload and the labor intensity of inspection personnel are reduced, and stable and reliable power supply is guaranteed.
Owner:STATE GRID CORP OF CHINA +2

Six-axis joint robot distributed control system and method

The invention discloses a six-axis joint robot distributed control system and a six-axis joint robot distributed control method. The control method includes the following steps that: a master station transmits a six-axis joint robot positioning instruction in a user program to a robot inverse solution calculation module; the robot inverse solution calculation module carries out inverse solution calculation on the position of a target point, analyzes the position of the target point to obtain corresponding parameters, and sends the parameters to the motor drivers of slave stations through a bus; after receiving valid data, the motor drivers obtain positioning operation parameters in the valid data through analysis, and send the positioning operation parameters to electronic cam modules; the electronic cam modules carry out periodic calculation under the driving of a virtual spindle and calculate periodic pulse quantity of each period; and motor control modules drive motor to operate according to the periodic pulse quantity. With the six-axis joint robot distributed control system and the six-axis joint robot distributed control method of the invention adopted, requirements for the calculation ability of the master station and requirements for the bandwidth of the bus can be lowered, and wiring and troubleshooting difficulty can be reduced, and anti-interference ability can be improved.
Owner:SHENZHEN VMMORE CONTROL TECH

Building fire alarm classification method and system

The invention discloses a building fire alarm classification method and system, and the method comprises the following steps: S1, obtaining the alarm equipment, alarm time and alarm place of a to-be-classified fire alarm in real time, and collecting the log data of the fire alarm in a fire alarm system; S2, performing statistics on associated data of the alarm equipment in the log data in combination with the obtained alarm time and place to obtain characteristics of the fire alarm; and S3, standardizing the obtained fire alarm features, inputting the standardized fire alarm features into a pre-trained building fire alarm classification model, and dividing the fire alarm into a fire-alarm-like alarm and a fault alarm. Through the steps above, the type of the fire alarm can be quickly judged; therefore, under the condition of limited fire-fighting conditions, managers of the fire alarm system can determine the fire alarm processing priority according to the types of the fire alarms, preferentially process the fire alarms, the classification speed is high, the false alarm rate of the fire alarms can be rapidly reduced, and the managers can be helped to reasonably allocate limited fire-fighting resources.
Owner:HUAZHONG UNIV OF SCI & TECH

Wiring detection method and detection system

ActiveCN109269804ASolve the problem of fault detection when the connection is reversedSolve the problem of fault detectionEngine testingElectric connection testingEngineeringSquare wave
An embodiment of the invention discloses a wiring detection method and a wiring detection system. The wiring detection method comprises the steps of: acquiring voltage signals generated by an magnetoelectric sensor within at least one period; generating square wave signals according to the voltage signals; acquiring a variation law of the voltage signals within a preset time after a moment of arrival of falling edges of the square wave signals; and determining that positive and negative wiring of the magnetoelectric sensor is normal when the variation law satisfies a preset condition. The wiring detection method and the wiring detection system solve the problem of positive and negative wiring detection of the magnetoelectric sensor, can detect the fault of inverse connection of positive and negative electrodes, and reduce the difficulty of troubleshooting.
Owner:WEICHAI POWER CO LTD

Multilayer mirror image management method

The invention discloses a multilayer mirror image management method and system. The method comprises the steps of packaging at least one code file to generate at least one code mirror image file; and based on a system mirror image file and a tool mirror image file generated by pre-packaging, creating an inheritance relationship between each code mirror image file and the tool mirror image file for enabling each code mirror image file to inherit the tool mirror image file, wherein the tool mirror image file inherits the system mirror image file. According to the method and system, an operation system and a business tool are pre-packaged to generate the system mirror image file and the tool mirror image file respectively, so that only codes need to be packaged to generate the code mirror image files subsequently and the mirror image creation time is shortened; and the inheritance relationship exists between the system mirror image file or the tool mirror image file and the code mirror image file, so that a user only needs to upload or download the code mirror image file during uploading or downloading, and the user experience is improved.
Owner:LETV HLDG BEIJING CO LTD +1

Intelligent substation online fault analysis method

The invention relates to an intelligent substation online fault analysis method. The intelligent substation online fault analysis method comprises the steps of: performing real-time analytical processing on multi-source alarm information at a station end; analyzing signal action validity according to time constraint conditions; reading a fault instance associated with a valid signal for fault matching, wherein matching criteria comprises signal full action and signal action logics; combining with a fault recording file generated when a protective action signal is produced; performing false alarm degree analysis of the fault, and finally forming a comprehensive fault briefing comprehensively covering information such as fault data, fault instance, troubleshooting strategy and false alarm degree; and transmitting briefing data to a scheduling center. The intelligent substation online fault analysis method disclosed by the invention can effectively extract action signals, improve the analysis value of the data, improve the comprehensiveness of the alarm information, remove the false alarms in the station, improve the alarm precision, improve the system reliability, reduce the troubleshooting difficulty of the operation personnel, and save the troubleshooting time.
Owner:STATE GRID SHANDONG ELECTRIC POWER +1

Device for preventing billet from tipping in steel tapping and steel loading of hot rolling heating furnace and control method thereof

The invention discloses a device for preventing a billet from tipping in steel tapping and steel loading of a hot rolling heating furnace. The device is arranged at the outer side of a furnace door, comprises a plurality of base, and also comprises hydraulic cylinders, tracks, a slide rod, and a heat-resisting cushion block, wherein the hydraulic cylinders and the tracks are arranged on each base; the slide rod is coaxially connected with a piston rod of each hydraulic cylinder; the heat-resisting cushion block is arranged at the end part of the slide rod; the slide rod is matched with each track in a sliding manner; the slide rod is vertical to the plane on which a fire hole is located; the slide rod is arranged inside a corresponding notch arranged on the end wall of the furnace body under a completely stretching state. A control method of the device for preventing the billet from tipping is also disclosed by the invention. By adopting the technical scheme, the billet is prevented from tipping in the steel tapping process and steel loading process of the hot rolling heating furnace; the fault treatment difficulty is reduced; a derivative security incident in the treatment process is avoided; meanwhile, the equipment needs to be protected; the treatment time is shortened; and the loss is also reduced.
Owner:MAGANG (GROUP) HOLDING CO LTD +1

Method for realizing loopback detection of EoC (Ethernet over coax) network

The invention provides a method for realizing loopback detection of an EoC network. The method is characterized in that the EoC network loopback automatic detection is carried out by transmitting a loopback detection message, and the network storm can be obviated by force a terminal generating the loop off the line. According to the invention, the method can effectively lower the possibility of occurrence of storm in the entire EoC network so as to ensure the normal operation of the network business. Meanwhile, the difficulty in detecting the loopback network can be lowered effectively by recording and reporting the loop information, thereby enhancing the maintenance and management ability of the EoC network.
Owner:SHANGHAI BROADBAND TECH

Communication method and communication device

The invention discloses a communication method and a communication device. The communication method comprises steps that uplink business data transmitted by a terminal device is received; the uplink business data is packaged according to a preset interface message format to acquire the packaged uplink business data; the packaged uplink business data is transmitted to a communication module, and the communication module is used to unpackage the received packaged uplink business data according to the interface message format, and then the uplink business data is acquired. Interface unification between the terminal device and the communication module is realized, and the interconnection and the intercommunication of the business data between the terminal device and the communication module are realized.
Owner:NEW SINGULARITY INT TECHN DEV

Virtual reality game equipment fault monitoring method and device

The invention provides a virtual reality game equipment fault monitoring method and device, and relates to the technical field of game equipment. The method comprises the steps that virtual reality (VR) game equipment signals are monitored, wherein the VR game equipment signals comprise the hardware signals of VR game equipment and / or platform software signals of the VR game equipment; according to the VR game equipment signals, whether the VR game equipment is abnormal or not is judged; if it is determined that the VR game equipment is abnormal, an abnormal notification message is sent to a management terminal. By using the method, the abnormal state of the VR game equipment can be monitored periodically, and the abnormal state is fed back to the management terminal for management personnel to maintain the VR game equipment.
Owner:HANGZHOU JOYPORT TECH

Civil subsidy declaration management method and device

The invention discloses a civil subsidy declaration management method and device, and relates to the technical field of computers. The method comprises the following steps: configuring a plurality ofscreening rules corresponding to a civil subsidy declaration policy according to the civil subsidy declaration policy; after a request for generating a declaration form is received, generating a structured query statement according to the multiple screening rules, and querying a user information base according to the structured query statement to obtain user information conforming to the multiplescreening rules; and generating a civil administration subsidy declaration form according to the user information conforming to the plurality of screening rules, and sending a declaration form approval request carrying the civil administration subsidy declaration form to a civil administration system by calling an interface provided by the civil administration system. Through the steps, the efficiency of civil subsidy declaration management work can be improved, and the error probability is reduced.
Owner:TAIKANG LIFE INSURANCE CO LTD

Onboard data processing method and server

The invention discloses an onboard data processing method and a server. The method comprises following steps: obtaining a search command with vehicle searching information; extracting the vehicle searching information, finding whether operation diagnosis information that is matched with the vehicle searching information exists in first database or not; if the result is positive, taking the operation diagnosis information as the target diagnosis information, then according to the target diagnosis information, determining a target vehicle that is corresponding to the search command, controllingthe target vehicle to upload information of images in the vehicle, and locking the target object based on the image information. The provided method can reduce the difficulty of finding a target vehicle and improves the efficiency of investigation.
Owner:GOLO IOV DATA TECH CO LTD

Monitoring method and device based on feedback type link

The invention discloses a monitoring method and device based on a feedback type link. The monitoring method comprises the steps: enabling a server side to extract error description from monitoring information collected by a client side; performing error classification and filtering in sequence according to the error description; and feeding back the filtered error description to the business partyfor analysis and processing. The purpose of the present invention is at least to quickly locate a fault and significantly increase the repair speed of the fault.
Owner:上海汇付支付有限公司

Wireless networked temperature and humidity inspection system and calibration method

The invention relates to a wireless networked temperature and humidity inspection system and calibration method. The method comprises the steps that by means of a ZigBee wireless networking technology, on-site monitoring of a PC or a cellphone APP on multiple ZigBee temperature and humidity collection terminals on a job site; by means of an Internet network technology, the PC or the cellphone APP can upload collected data to a remote server; the remote server achieves temperature and humidity data storage, curve analysis and temperature and humidity warning functions, and meanwhile the remote server automatically generates a calibration report through error analysis of a field instrument. The temperature and humidity inspection and calibration system is set up by means of the ZigBee networking technology, a large amount of wiring is not needed, the cost and the construction difficulty are greatly lowered, the function is more flexible, and development is convenient and rapid.
Owner:CHINA JILIANG UNIV

Method based on distributed fault monitoring and virtual machine high-availability system

The invention discloses a method based on distributed fault monitoring and a virtual machine high-availability system. The method comprises the steps: monitoring the state of a physical machine from amanagement network layer, a storage network layer and a business network layer of the physical machine, and detecting the abnormality of the life cycle of the virtual machine and the operation stateof an operation process; and executing different reaction actions in time according to different fault combinations, and recovering the interrupted virtual machine in time. According to the method, the state of a cloud platform is detected from multiple dimensions, unexpected service interruption caused by triggering the same HA operation due to abnormal states of different layers is avoided, different isolation recovery operations are executed according to different faults, unexpected faults caused by service recovery actions are avoided, interruption of other virtual machines due to recoveryof faulty virtual machine services is avoided, and the stability and reliability of the cloud platform are improved. According to the invention, distributed fault detection is realized, and unavailability of a high-availability system caused by a single-node fault is avoided.
Owner:BEIJING ICHINAE SCI & TECH CO LTD

High-speed wire rod quality defect diagnosis and traceability method based on distributed Bayesian network

The invention discloses a high-speed wire rod quality defect diagnosis and tracing method based on a distributed Bayesian network. The method comprises the following steps: firstly, collecting normalworking condition data of a steel high-speed wire rod rolling process, decomposing a whole production process into a plurality of sections by combining a process mechanism and production process big data, then constructing a distributed Bayesian network with a multi-layer structure based on data characteristics and process knowledge, and constructing a local monitoring statistic, a global monitoring statistic, a local contribution degree and a global contribution degree, and finally realizing high-speed wire rod quality defect diagnosis and traceability through information fusion. By applyingthe method, deep-level quality anomaly tracing, propagation path analysis and root positioning in the high-speed wire rolling process can be achieved, and safe and stable operation of the high-speed wire rolling process is guaranteed.
Owner:ZHEJIANG UNIV

Overhead line discharge breakdown fault monitoring apparatus and method

ActiveCN110632458AEffectively judge the location of the discharge breakdown fault pointReduce the difficulty of troubleshootingFault location by conductor typesTesting using acoustic measurementsElectricityHuman power
The present invention discloses an overhead line discharge breakdown fault monitoring apparatus and method. The overhead line discharge breakdown fault monitoring apparatus comprises a power taking module, a battery module, a control module, an audio acquisition module, a photographing module, and a communication module. The power taking module is arranged on an overhead line, and takes power fromthe overhead line to charge the battery module; the battery module supplies power to other modules excluding the power taking module; and the control module communicates with other modules. The technical effects of the apparatus and method provided by the present invention are that: 1), a point location of a line discharge breakdown fault can be effectively determined; 2), whether the fault belongs to a fault type such as mountain fire, construction and the like can be initially determined and the original picture evidence can be obtained; and 3), difficulty of finding faults can be reduced for the operation and maintenance personnel, and manpower and resources can be saved.
Owner:STATE GRID HUNAN ELECTRIC POWER +2

Power consumption data anomaly detection method and system based on big data analysis

PendingCN114722722AContribute to line loss controlEfficient investigationData processing applicationsDesign optimisation/simulationElectricityAnomaly detection
The invention discloses an electricity consumption data anomaly detection method and system based on big data analysis, and belongs to the field of electric power safety detection. The method comprises the following steps: integrating historical electricity stealing behaviors, obtaining historical electricity stealing data, and constructing an electricity stealing accurate identification and electricity stealing feedback data analysis model; measuring the accuracy of the electric power stealing accurate identification and electric power stealing feedback data analysis model through the standardized covariance, and correcting the electric power stealing accurate identification and electric power stealing feedback data analysis model by using a loss function; and collecting real-time power utilization data, and inputting the real-time power utilization data into the accurate identification and electricity stealing feedback data analysis model to obtain whether an electricity stealing phenomenon exists or not and line loss data. The user electricity larceny analysis method based on the big data is beneficial to efficient investigation of electricity larceny behaviors, can analyze the electricity larceny behaviors, and is beneficial to line loss treatment of a power supply company.
Owner:深圳微言科技有限责任公司

Health management method and system for intelligent manufacturing equipment

PendingCN111367909AReduce difficultyShorten the fault repair cycleMeasurement devicesResourcesData informationData set
The invention relates to a health management method and system for intelligent manufacturing equipment, and the method comprises the steps: collecting historical operation parameters of the intelligent manufacturing equipment in a normal state, and constructing an equipment state historical data set; performing association analysis on the equipment state historical data set to construct an equipment fault mode library; acquiring current operation parameters of the intelligent manufacturing equipment in the operation process in real time; and matching the current operating parameters with datainformation of the equipment fault mode library, evaluating the state of the current intelligent manufacturing equipment, and carrying out fault early warning when judging that a fault hidden danger exists. According to the invention, the problems of potential safety hazard, large economic loss and threatening of life safety of workers due to lack of effective supervision on the operation state oflarge intelligent manufacturing equipment in the prior art can be solved.
Owner:TONGDING INTERCONNECTION INFORMATION CO LTD
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