60 results about "Fault list" patented technology

The invention discloses a power grid operation situation analysis system combined with a knowledge graph, which relates to the technical field of intelligent power grids and comprises a power grid data acquisition module, a power grid feature extraction module, a monitoring information event analysis module, a power grid graph construction module and a power grid event intelligent research and judgment module. The power grid data acquisition module acquires power grid data, the power grid feature extraction module extracts features of the power grid data, the monitoring information event analysis module outputs an overhaul label, a fault label, an associated equipment list and a fault list, and the power grid graph construction module generates a power grid knowledge graph and outputs a fault propagation path and an out-of-limit threshold. And the power grid event intelligent research and judgment module pushes abnormal data and fault information. According to the method, automatic cleaning of massive monitoring signals, intelligent fault research and judgment and cross-station propagation path analysis are realized through natural language processing and machine learning technologies, manual intervention is reduced, the fault recognition accuracy is improved, graded alarms are pushed in real time, and the power grid situation awareness and emergency disposal efficiency is remarkably improved.

Various embodiments provide methods, systems, computer program products, apparatuses, and / or the like for assessing vulnerability of an IC design to fault injection attacks, such as through a security property-driven vulnerability assessment framework for efficiently evaluating faults with respect to certain security properties associated with the IC design. In one embodiment, a method is provided. The method includes generating, using a fault-injection technique specification, one or more fault models describing attributes of one or more faults. The method further includes selecting, using the fault models and executable security properties associated with a design file of an IC design, a fault list identifying a plurality of possible faults for the IC design. The method further includes identifying, based at least in part on performing a fault simulation on the design file with the fault list, critical locations of the IC design. The method further includes implementing protections at the critical locations.

The invention provides a test vector construction method, which is used for constructing a test vector set required by a to-be-tested digital circuit, and comprises the following steps: S1, obtaining the to-be-tested digital circuit and a to-be-tested fault list corresponding to the to-be-tested digital circuit, the to-be-tested fault list comprising a plurality of circuit faults; s2, multiple rounds of simplification operation are executed until the number of circuit faults which can be detected by all the obtained test vectors is larger than or equal to a preset threshold value, all the test vectors obtained by each round of simplification operation are stored in a variable-capacity vector pool, the capacity of the vector pool corresponding to each round is a preset multiple of the capacity of the vector pool corresponding to the previous round, and the test vectors are stored in the variable-capacity vector pool; wherein each round of simplification operation comprises a static simplification stage and a dynamic simplification stage, the static simplification stage repeatedly fills a vector pool and reduces the number of test vectors in the vector pool, and the dynamic simplification stage fills a part of the uncertain items in the test vectors with the uncertain items obtained in the static simplification stage as 0 or 1.

The invention discloses a nuclear power station DCS fault simulation method, device, controller and system and a storage medium, the method comprises the following steps: determining at least one fault simulation task according to a historical fault list, the fault simulation task comprising fault deduction demand information, fault processing information and monitoring indexes; starting a nuclear power plant DCS simulation environment according to the fault deduction demand information so as to start a fault deduction simulation task in the nuclear power plant DCS simulation environment, and obtaining deduction data; meanwhile, according to the monitoring indexes, carrying out real-time monitoring on the fault simulation task which is started and deduced to obtain monitoring data corresponding to each monitoring index; and determining parameter change information according to the monitoring data and the fault processing information, and generating a task deduction report corresponding to the fault simulation task according to the parameter change information and the deduction data. According to the invention, the safety and efficiency of fault analogue simulation and fault processing deduction are improved, and the simulation precision, flexibility and reliability are also improved.

The invention provides a fault identification method for a parallel capacitor and a series reactor based on parameter characteristic analysis. The method comprises the following steps: carrying out simulation modeling on a real circuit, and initializing a reference characteristic value in a normal state; constructing a fault list and a fault impedance value set; constructing a fault comparison table based on the impedance deviation values under different faults; and the to-be-detected state of the power system is sampled, the actual impedance deviation vector is calculated, the fault type is determined through the comparison table, and early warning is given out. According to the method, accurate fault identification and real-time monitoring can be realized, the reliability of the power system is improved, the economic loss and the safety risk are reduced, and the practical value is relatively high.

The invention relates to a fault processing method and device, computer equipment, a readable storage medium and a program product, and belongs to the technical field of information. The method is applied to an access layer of a distributed storage system. The method comprises the following steps: acquiring error information, and determining an error type and an error source of the error information; determining a fault level of the error information according to the error type; determining a fault object related to the error information according to the fault level and the error source; the fault object comprises at least one of a fault disk and a fault data set, the fault data set is a data set related to error information in a cache of a proxy service, and the proxy service is used for completing the function of an access layer; and adding the fault object into the fault list, and determining the survival duration of the fault object in the fault list, so that the proxy service carries out fault shielding on the fault object when carrying out data processing in the survival duration. By adopting the method, the availability of the distributed storage system can be improved.

The invention relates to a circuit simulation method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring a circuit netlist file and a test vector file; generating a fault list according to the analysis result of the to-be-simulated circuit; sorting the plurality of target test vector groups in the test vector file according to a preset sorting scheme to obtain a grouping sorting result; performing logic simulation or fault simulation on the to-be-simulated circuit according to the target test vector groups in the grouping and sorting result by utilizing a plurality of threads of different kernels to obtain a logic simulation result and a fault simulation result corresponding to each target test vector; and outputting a circuit simulation result according to the logic simulation result and the fault simulation result. And logic simulation or fault simulation is carried out on the to-be-simulated circuit by utilizing a plurality of threads of different kernels and utilizing different target test vector groups, so that the problems of long time consumption and low efficiency in a simulation process of an existing circuit simulation method are solved.

The invention provides a configurable helicopter unit alarm management system and method. Belongs to the technical field of computer software, and is characterized in that a GPU (Graphics Processing Unit) reads an alarm configuration XML (Extensible Markup Language) file and converts the file into a local alarm information database, and after receiving fault data reported by each subsystem, the GPU updates existence information of all faults according to interface control file ICD (Interface Control Document) information in the alarm information database; for the data needing to be displayed in the fault list, the GPU performs unified sorting on the data and displays the data through the IDU; if the fault that the warning lamp needs to be triggered exists, the GPU lights up the warning lamp to give an alarm; according to the method and the device, the software change workload caused by design change can be effectively reduced, the reusability of a software module is improved, and the airborne software verification and airworthiness cost is reduced.

The invention discloses an optical fiber network intelligent regular checking and fault closed-loop processing system, method and device, and belongs to the technical field of optical fiber communication network intelligent operation and maintenance. The method comprises the following steps: collecting and fusing multi-source heterogeneous data such as resource management, fault network management, distributed sensing and geographic information; a multi-modal model based on a convolutional neural network and a graph neural network is utilized to analyze fusion data, meter-scale accurate positioning of faults is achieved, and a regular inspection plan is dynamically optimized by adopting a long and short-term memory network model; and based on an analysis decision result, a fault list, a mode list and a maintenance list are automatically created, circulated and associated, and a whole-process closed loop from diagnosis list sending to repair verification is realized. According to the scheme, the problems of data dispersion, single analysis dimension and lack of closed loop in the process in the prior art are solved, and the accuracy, efficiency and automation level of optical fiber network operation and maintenance are remarkably improved.

The invention discloses a fault uploading system and method for a domain controller in the technical field of automobiles, electronic equipment and a medium. The system comprises a diagnostic event management module, a diagnostic event monitoring module and a communication module, the diagnosis event management module is used for acquiring a real-time fault list; the diagnosis event monitoring module is used for acquiring diagnosis fault codes in the fault list according to a set period, and storing the diagnosis fault codes into corresponding data sending cache regions respectively according to the codes of the sub-control units; and the communication module is used for calling a CANFD communication channel bound with the sub-control unit code, and sending the diagnosis fault code to a CANFD bus based on the set data structure body in the data sending cache region. By adopting the method, the delay and complex operation caused by the traditional method of obtaining the fault information by depending on external diagnosis equipment can be avoided, and the fault information of the plurality of sub-control units can be uploaded independently, sectionally and parallelly.

The fault recording system comprises a cloud server, a gateway and the high-power frequency converter, the cloud server is connected with the gateway through a wireless network, and the gateway is connected with the high-power frequency converter through a network cable. According to the invention, more monitoring means can be provided for testing, debugging, operation and maintenance personnel. Fault data collected by the system is wide in sampling period range and good in synchronization performance, the fault data is collected, stored and transmitted in a classified mode, key data are not lost in power failure, it is ensured that the data are not lost and not repeated in the communication process, and meanwhile network transmission blocking is avoided. A user can check a fault list or waveform data at a computer end and a mobile communication end.

The invention discloses an equipment fault detection and maintenance prediction system and method, and the method comprises the steps: an information collection module monitors the working state of equipment in real time through a sensor, collects operation data, and an information processing module carries out the arrangement and induction of the operation data, the fault diagnosis and analysis module analyzes the data output by the information processing module through an artificial intelligence model and identifies potential fault hidden dangers, and the diagnosis generation and push module receives the potential fault hidden danger information to generate a fault list and pushes the fault list to machine maintenance personnel. A machine maintenance worker in the maintenance confirmation and feedback module carries out equipment maintenance according to a fault list, an actual fault information record is fed back to the server after maintenance is completed, and the data analysis and prediction module adopts the actual fault record fed back by the machine maintenance worker as a new historical data source predicted by the artificial intelligence model to carry out archiving analysis and prediction. The data sources are continuously increased, the artificial intelligence model is continuously optimized, and the accuracy of fault prediction and maintenance suggestions can be gradually improved.

The invention discloses an instance fault recovery method and device, electronic equipment and a storage medium, and the method comprises the steps: firstly, determining a fault list of to-be-recovered instances in a cluster, grouping the to-be-recovered instances in the fault list according to a preset instance calling relation, and obtaining a plurality of to-be-recovered instance groups; and evaluating the plurality of to-be-recovered instance groups according to a preset evaluation attribute, determining a recovery sequence of each to-be-recovered instance group, and finally, recovering the to-be-recovered instances in parallel according to the recovery sequence of each to-be-recovered instance group and the cluster resource state. Due to the fact that the to-be-recovered instances in the to-be-recovered instance group are recovered through the reasonable recovery sequence, unnecessary waiting is avoided, the overall recovery time of the instances is shortened, and in addition, the recovery efficiency can be further improved by adopting a parallel recovery mode. The problems of error risk and low recovery efficiency in manual operation are solved.

The invention provides a fault processing method and system and a domain controller, and the method comprises the steps: collecting fault information in real time, the fault information at least comprising a fault count value, a fault state and a fault timestamp; writing the fault information into a preset fault list based on the fault count value; performing packaging processing on the fault information to obtain a fault information packet; and verifying the fault information packet based on the fault timestamp and the fault count value, so as to adopt corresponding fault processing based on the fault state after the verification is passed. According to the method provided by the invention, the technical problem that when communication abnormity or system jam occurs, the sequence of the fault state on a heartbeat packet or an error packet is disordered, so that a redundancy strategy is misjudged, and the fault state is repeatedly processed is effectively solved. And the robustness and the security of the security system are effectively enhanced.

A test pattern generation method includes: obtaining design data about a circuit under test (CUT); generating, based on the design data, a first test pattern for detecting transition delay (TD) faults and a pre-detection fault list (PDFL) including fixed type (SA) faults respectively corresponding to detectable TD faults included in the detectable TD fault list and detectable by simulation; and generating a second test pattern for detecting the SA fault based on the design data and the PDFL.

The invention relates to the technical field of fault detection, in particular to an FPGA-based fault injection optimization method and device.The method comprises the steps that RTL codes to be subjected to fault injection are obtained, and an FPGA gate-level netlist and an initial fault list are extracted from the RTL codes; determining predictable faults and / or equivalent fault groups in the initial fault list based on the netlist characteristics of the FPGA gate-level netlist; optimizing an initial node in the initial fault list by using the predictable fault and / or equivalent fault group to obtain an optimized node, and constructing an optimization list corresponding to the initial fault list by using the optimized node; and performing fault injection on the optimization list to obtain a fault injection result of the RTL code. Therefore, the problems that in the related technology, as the scale of the FPGA circuit is enlarged, the number of injected faults is increased at an approximately exponential speed, time is consumed during fault injection, and the actual use requirement cannot be met are solved.

The invention discloses an operation and maintenance quick response method and system under power market monitoring and a medium, and relates to the technical field related to power operation and maintenance, and the method comprises the steps: carrying out the continuous monitoring of a power market, and obtaining a multi-source data set; calling a state sequence identification plan to identify and analyze the state data set; calling a composite current criterion plan to carry out criterion analysis on the current data set; cooperating with the real-time state sequence and the real-time electric leakage information to obtain a real-time fault list; obtaining a preset equipment weight, and analyzing the first fault in combination with the operation data set to obtain a first priority index; and performing operation and maintenance response on the first fault based on the first priority index. The technical problems that in the prior art, multi-source electric power data are dispersed, fault recognition lags behind, composite fault diagnosis precision is insufficient, and operation and maintenance response priorities are not clear are solved, and the technical effects of real-time accurate monitoring, rapid fault positioning, intelligent priority ranking and efficient operation and maintenance response are achieved.

The invention provides a water feed pump fault early warning and diagnosis processing method and device. The technical problem that effective fault early warning and diagnosis cannot be formed through diversified field monitoring data in the existing monitoring process is solved. The method comprises the following steps: forming a potential fault list and a fault function module list associated with each potential fault according to prior data; extracting presentation monitoring data related to potential fault performance from the field monitoring data, and binding the presentation monitoring data with the potential faults; extracting entity monitoring data related to the entity of the associated function module from the field monitoring data, and binding the entity monitoring data with the potential fault; and forming a fault diagnosis process according to the presentation monitoring data and the entity monitoring data, and forming a fault removal process according to a fault diagnosis result. Faults are divided into potential faults reflecting overall abnormity and entity faults needing to be clearly positioned, and then effective clustering of mass field monitoring data to fault types and optimization of a fault diagnosis process are formed. And the accuracy of early warning and evaluation of the fault is improved.

The application provides a fault processing method and device, relates to the technical field of communication, and can guarantee the continuity of user service. The method comprises the following steps: after receiving an internet protocol multimedia subsystem (IMS) registration request sent by a user equipment, determining a target user plane function (UPF), acquiring a fault P-CSCF identifier corresponding to the target UPF in a P-CSCF fault list, then determining a normal P-CSCF identifier from the P-CSCF list according to the fault P-CSCF identifier, and finally sending the normal P-CSCF identifier to the user equipment, so that the user equipment determines a target P-CSCF identifier from the normal P-CSCF identifier and completes the IMS registration by using the target P-CSCF identifier. The embodiment of the application is used in the IMS registration request process.

1. The name of the design product: graphical user interface of intelligent purification system control software for electronic equipment. 2. The use of the design product: for an electronic device. 3. The design points of the design product: in the graphical user interface. 4. The picture or photo that best indicates the design points: front view. 5. The use of the graphical user interface: for managing and displaying purification system parameter control. 6. The human-computer interaction mode of the graphical user interface: the front view is the main interface for the user to enter the system, and the user can view the equipment running state, filter core life condition, etc.; when a fault occurs, the main interface will pop up a fault prompt, and the interface is interface change state diagram 1; clicking "view all" in the fault prompt pop-up window of interface change state diagram 1 enters the fault list interface, and the user can view the type, time and information content of the fault, and the interface is interface change state diagram 2.

The present invention relates to the field of chip testing technology, and in particular to a test generation method, device, equipment and storage medium for eliminating redundant faults, wherein the method determines whether redundant fault elimination is currently required through system operation data, thereby increasing the success rate of dynamic streamlining in test generation, reducing the generated test vectors, and when the test vector is generated, all faults in a fault list are judged through a single fault test generator, and when the selected main fault cannot generate a test cube, the main fault is eliminated, and when the main fault can generate a test cube, a test cube is generated for the main fault, and a fault is randomly selected from the remaining faults in the fault list as a secondary fault, and bits are filled in the test cube through the secondary fault to generate a test vector, thereby solving the current test generation scheme. Since redundant faults are not eliminated, the system has a low ability to streamline vectors, resulting in a long running time and a large number of test vectors.

The invention discloses a nuclear power plant inspection method and system. The method comprises the following steps: S1, based on the security level of an item to be inspected, generating a structured inspection plan according to an inspection program file, and setting inspection personnel; s2, pushing the inspection plan to inspection personnel according to preset time; s3, collecting and uploading state data of the to-be-inspected object item by an inspector according to the inspection plan; verifying the state data of the to-be-inspected item in real time according to a preset verification rule and prompting; s4, analyzing the state data of the to-be-inspected item, and generating an inspection report; and S5, if the state data of the to-be-inspected item is abnormal, generating a fault list and performing progress tracking management. By implementing the technical scheme of the invention, the accuracy of the inspection plan and the timeliness of pushing can be improved, the accuracy of the collected data is ensured, the data analysis efficiency is improved, the fault management is perfected, the closed-loop management of the whole inspection process is realized, and the inspection efficiency is improved.

The application discloses a TFDS-based freight car fault identification method and device, equipment and a storage medium, and belongs to the technical field of railway freight car fault detection. The method comprises the following steps: acquiring component identification results of a freight car output by TFDS intelligent identification, and storing the component identification results in a database and a cache respectively; performing fault matching on the component identification results based on a preset accident car fault list to obtain target fault information; calculating a fault weight score of the freight car based on the target fault information through fault weight accumulation, and when the fault weight score reaches a preset weight threshold and there is no accident car identifier corresponding to the freight car in the cache, marking the freight car as an accident car and adding the accident car identifier to the cache; and pushing the accident car identifier of the freight car to a maintenance platform to generate a maintenance work order. The fault weight score can be calculated based on fault list matching and fault weight weighting to accurately identify the accident car, mark the accident car identifier, and improve the identification accuracy and efficiency.

The invention provides a method for reporting a charging disconnection event of a charger and electronic equipment, and relates to the technical field of computers. The method comprises the steps that when it is detected that a charger is in place, whether the charger is in a charger fault list or not is determined; if yes, a delay report instruction is issued to an embedded controller EC, so that when the EC detects that the charger disconnects charging and restores charging within a first time interval, the EC does not report a charging disconnection event of the charger, and when the EC detects that the charger disconnects charging and does not restores charging within the first time interval, the EC does not report a charging disconnection event of the charger. And reporting a charger disconnection charging event. By using the method, the change of the user interface of the electronic equipment cannot be triggered by the charging disconnection event, so that a user cannot perceive short charging disconnection, and the use experience of the electronic equipment can be improved.

The invention provides a two-stage fault simulation method based on a multi-core CPU, and the method comprises the steps: obtaining a circuit model, a test vector set and a fault list, the vector set comprises a plurality of test vectors, and the fault list comprises a plurality of faults; the number N of threads of the multi-core CPU is obtained, the multiple test vectors are distributed to the N threads in a balanced mode, the multiple faults are divided into M fault blocks, a fault block set is obtained, and M is larger than N; simulation is carried out by N threads according to a preset simulation mode, and the mode comprises that each thread executes the following operations: executing simulation of a first stage: each thread obtains a remaining fault block for testing each time, when the self-acquired fault blocks are tested and no residual fault blocks exist, switching to second-stage simulation, and updating undetected faults according to the faults detected during simulation and the fault list; and executing simulation of a second stage, wherein the simulation comprises the step of testing all the faults which are not detected by utilizing the self-assigned test vectors.

A test pattern generating method includes obtaining design data with respect to a circuit under test (CUT); generating, based on the design data, a first test pattern for detecting a transition delay (TD) fault and a pre-detected fault list (PDFL), wherein the PDFL comprises stuck-at (SA) faults, which respectively correspond to detectable TD faults that are included in a detectable TD fault list and are detectable through a simulation; and generating a second test pattern for detecting SA faults based on the design data and the PDFL.

The invention relates to an unmanned aerial vehicle ground comprehensive one-key detection system and a detection and record playback method. The system comprises a human-computer interaction interface, an instruction generation module, a data analysis module, a data monitoring alarm module and a data record playback module. A detection system automatically sends an instruction according to a configured equipment detection instruction time sequence, meanwhile, a sent instruction data frame is recorded into a binary file, and a software page is automatically switched to the equipment tab to be displayed; detected abnormal parameters and alarm information are displayed in a current equipment page and stored in a comprehensive detection report, the alarm information is independently recorded in a comprehensive detection fault list, and meanwhile, received data frames are recorded in a binary file; and step 4, according to the above steps, completing detection of all devices in sequence, and finally generating a ground comprehensive detection report. And 5, aiming at fault analysis, replaying a detection process by loading historical data to reproduce a fault. According to the method, the process is simplified, and a convenient means is provided for postmortem analysis and comprehensive troubleshooting of faults.

The invention provides a water feed pump fault early warning and diagnosis processing method and device. The technical problem that effective fault early warning and diagnosis cannot be formed through diversified field monitoring data in the existing monitoring process is solved. The method comprises the following steps: forming a potential fault list and a fault function module list associated with each potential fault according to prior data; extracting presentation monitoring data related to potential fault performance from the field monitoring data, and binding the presentation monitoring data with the potential faults; extracting entity monitoring data related to the entity of the associated function module from the field monitoring data, and binding the entity monitoring data with the potential fault; and forming a fault diagnosis process according to the presentation monitoring data and the entity monitoring data, and forming a fault removal process according to a fault diagnosis result. Faults are divided into potential faults reflecting overall abnormity and entity faults needing to be clearly positioned, and then effective clustering of mass field monitoring data to fault types and optimization of a fault diagnosis process are formed. And the accuracy of early warning and evaluation of the fault is improved.

The application discloses a vehicle fault information processing method, device and equipment and a storage medium, the method obtains whole vehicle information and ECU characteristic data of an electronic control unit (ECU) of a current vehicle, generates a characteristic list according to the whole vehicle information and the ECU characteristic data, generates a structure of the current vehicle according to the characteristic list, generates a fault list according to the structure, processes faults of the current vehicle according to the fault list, can more intuitively reflect a fault state of a current product, reduces processing difficulty of the vehicle fault information processing method, can better process fault information according to a design object, solves the problems of poor software reusability and expandability, the method code is relatively simple to maintain, and the speed and efficiency of the vehicle fault information processing are improved.

The present invention relates to a redundant communication method of a dual wireless link hot standby circuit, wherein a module that actively sends data is set in a network composed of N modules; ZIGBEE is preset as a default wireless link between the N modules that need to communicate; when the transmitting end cannot receive confirmation information fed back by any receiving end after sending data, or the received confirmation information is wrong; the transmitting end first checks the fault list; if the receiving end is not recorded in the fault list, the transmitting end suspends the current data communication task; when it is determined that the communication failure is due to the receiving end being unable to receive data, the transmitting end starts the ZIGBEE link test thread; after the main link is restored, the transmitting end switches the data back to the ZigBee communication link. The present invention solves the problem that data cannot be transmitted when the wireless link fails to communicate due to interference or equipment failure in a single wireless communication ad hoc network, thereby improving the stability and real-time performance of wireless communication.