68results about How to "Shorten fault location time" patented technology

The invention discloses a fault alarm processing method, comprising the following steps: a rule engine receives multi-dimensional fault alarm information inputted from a monitoring platform; the faultalarm information is logically judged based on the configuration rule to determine the fault cause of the current alarm; based on the fault cause, the operation and maintenance database is retrievedto obtain a fault treatment scheme corresponding to the fault cause. The invention also discloses a fault alarm processing system and a computer-readable storage medium. The invention improves the timeliness and accuracy of fault alarm processing and enhances the fault operation and maintenance efficiency.

The invention discloses a PON network fault diagnosis method for household broadband service. The method includes: configuring the fault diagnosis process of each fault category according to fault diagnosis experience; selecting the fault diagnosis process corresponding to the fault category according to the fault category of a user; entering the selected fault diagnosis process, obtaining equipment information and service information corresponding to a broadband service account of the user, and starting to execute each step in the fault diagnosis process in sequence; and obtaining the corresponding fault processing method in a fault diagnosis knowledge base according to a diagnosis result of the fault diagnosis process. By employing the method, the time for fault positioning can be effectively reduced, and the efficiency for processing the faults is improved. The invention also discloses a PON network fault diagnosis apparatus for the household broadband service.

The invention discloses a diagnosis method for the failure of a network management system, which comprises the following steps of: indexing a log of the network management system according to key sentences by using a search engine to generate an index file; taking each key sentence out of an analyzing experience library corresponding to a failure category according to the failure category selected by a user on an interface, and searching the index file by using the search engine; and finding out a cause analyzing and processing measure corresponding to the key sentence in the analyzing experience library after a matched log is searched and the failure occurs. The invention also discloses a diagnosis system for the failure of the network management system; thus, the failure positioning time is saved, and the satisfaction of an operator for the network management system is improved; and moreover, a self-learning function of failure analyzing experiences is also provided in a scheme of the invention, so that the network management system has stronger expansibility and flexibility.

The invention provides a distributed scheduling method and device, electronic equipment and a computer storage medium. The distributed scheduling method is used for scheduling tasks in a big data platform, and the distributed scheduling method comprises the following steps: S1, determining the range of calculation tasks needing to be scheduled, and generating an initial task set; S2, performing layer-by-layer statistics on tasks of upstream reference objects of the tasks in all the initial task sets, and arranging the tasks according to an upstream and downstream sequence; S3, estimating the memory and processor overhead of each task, calculating respective scores through a resource overhead assessment algorithm, and sorting according to the scores to generate an execution task set; and S4, distributing the tasks in the execution task set to a plurality of computing nodes of the big data platform so as to enable the computing nodes to execute respective tasks. According to the distributed scheduling method provided by the invention, distribution control and overhead measurement are carried out, so that the resource waste condition is solved.

The invention discloses a primary and secondary workstation consistency judging method by detecting the static data and the dynamic data. The steps are as follows: starting the static data or dynamic data consistency detection; suspending the static data or dynamic data primary and secondary synchronization; the primary workstation collects static data or dynamic data, calculates the calibration value and sends the calibration data to the secondary workstation; the secondary workstation receives the calibration data, collects data according to data types, calculates the calibration value and compares the result with the calibration value of the primary workstation; if the two calibration values are equal, the primary and secondary data are considered as the same; if the two calibration values are different, the primary and secondary data are considered to be not consistent and the secondary workstation sends the consistency detection result to the primary workstation; the primary and secondary synchronization is restored. The invention can detect the synchronization of the primary and secondary workstation dynamically at real time. When the primary and secondary data are not consistent, the inconsistency can be warned and recorded in time and the primary and secondary data consistency can be restored automatically, which is convenient for locating the inconsistency fault and shortening the fault location time.

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.

The invention discloses an accelerated positioning method for an IGBT open-circuit fault in a modular multilevel converter. The method comprises: after an open-circuit fault is detected, performing enabling fault location, after entering a fault location link, firstly, calculating predicted values Ucpre of capacitor voltages of all sub-modules of a fault bridge arm, and a difference [delta]Uc between the predicted value and the measured value Ucma; after obtaining a measured value and a predicted value of the capacitor voltage of the sub-module, further calculating to obtain a virtual capacitor voltage value of each sub-module; finally, using virtual capacitor voltage as a sorting voltage value in the sorting link. According to the invention, it can be ensured that the capacitor of the fault sub-module is charged when the bridge arm current is greater than 0. When the bridge arm current is smaller than 0, the bridge arm current is kept unchanged, the rise of the capacitor voltage of the fault sub-module can be accelerated, the fault positioning time is obviously reduced, no extra hardware circuit needs to be added, the algorithm is simple and easy to implement, and both single-fault sub-module positioning and multi-fault sub-module positioning can be realized.

Provided is a fault diagnosis method of transformer thunder impacts based on big data. The method comprises steps of collecting historical data of a transformer thunder impact voltage withstanding test and carrying out rapid Fourier transform on head end voltage data and neutral point current data measured in the test; establishing a fault standard database, and carrying out standardization processing so as to obtain transfer function data; carrying out standardization processing on the new thunder impact voltage withstanding test data to obtain transfer function data, and by comparing the transfer function data under 50% thunder impact voltage and under full voltage, judging whether a failure occurs; selecting related data of the same type of transformers in a fault database, and solving a correlation index rho between the transfer function data of the new test and the transfer function data in the fault database; and selecting the proximal fault information according to sequenced fault lists, setting a deviation value eta% and by taking a fault corresponding position as a center, selecting a winding segment of the eta% of the total turn number to be a test range for carrying out fault positioning diagnosis. According to the invention, feature classification is performed on massive data with fault waveforms, so the rough range of the faults can be determined; fault positioning time can be greatly reduced; and fault diagnosis is allowed to be quite quick and effective.

The invention discloses a wind turbine generator fault diagnosis method based on data analysis and belongs to the technical field of wind turbine generator fault diagnosis. According to the wind turbine generator fault diagnosis method, wind turbine generator historical data analysis is utilized to diagnose wind turbine generator faults; fault diagnosis comprises steps of collecting historical data of the wind turbine generator and acquired field data information; identifying the data, and classifying and processing the data according to data types; and carrying out initial fault modeling on aspecific wind turbine generator; the method comprises the following steps of selecting a quantity which may be related to a wind power fault from SCADA system monitoring quantities, converting the quantity into a fault sample transaction set, analyzing according to expert experience and theoretical knowledge, and judging a fault development mode. According to the method, the wind turbine generator system fault is quickly identified by effectively utilizing the wind turbine generator system data, the fault positioning time of operation and maintenance personnel can be shortened, manpower resources are saved, the cost is reduced, and the method has positive guiding significance for researching a wind turbine generator system fault development mode.

The invention relates to an optical cable fault accurate location method and relates to the technical field of power optical cable communication detection, which solves the problem that the existing method only obtains the fiber length of a measurement point from a fault point but cannot obtain the actual geographical position of the fault point, and leads to extension of maintenance. When monitoring that the optical cable breaks down, the fiber length information of the OTDR from the fault point is obtained; the average value of the distance measured by OTDR for multiple times is calculated and used as the actual distance of the fault point from the measurement point to store the information of an optical cable connector box into a GIS database; a linear reference system for a specific optical cable line is established; the relevant marker point is placed in the established linear reference system; the optical fiber distance of the optical cable fault point from the measurement pointis converted into the distance of an actual optical cable, which is converted into a point event in the linear reference system and displayed on the GIS map. The method can quickly and accurately findthe specific geographical location of the fault point of the optical cable, shorten the fault maintenance time, improve the fault processing efficiency, and reduce the loss caused by the communication fault.

The embodiment of the invention provides router protocol message tracing method, device and system, relating to the field of communication and having the advantages that Debug commands of the operation are reduced; the knowledge and skill threshold of operation and maintenance personnel is reduced; and each protocol layer can be uniformly traced. The method comprises the following steps of receiving a trace command containing protocol message tracing conditions input by a client; successively and respectively tracing the protocol message by utilizing each protocol layer processing module through which the corresponding protocol message passes according to the tracing conditions; receiving the tracing information of the protocol message reported by each protocol layer processing module; and displaying the tracing information to the client. The embodiment of the invention is used for the router protocol message tracing.

The invention discloses a node fault positioning method, which comprises the following steps: when monitoring that an abnormal information record file has a modification action through an inotify process service, analyzing the modified abnormal information record file to obtain target abnormal information; detecting whether the target abnormal information carries log function module recognition information or not; if yes, a target function module log collection instruction corresponding to the log function module recognition information is generated, and node fault positioning is conducted according to the collected target function module log information; and if not, sending a full-amount log collection instruction to the log processing layer so as to carry out node fault positioning according to the collected full-amount log information. According to the method, the log collection efficiency is greatly improved, the fault positioning duration is shortened, and rapid troubleshooting ofnode faults is realized. The invention further discloses a node fault positioning device and equipment and a storage medium, which have corresponding technical effects.

The invention discloses a distribution network fault range-finding method, and the method comprises the steps: carrying out reclosing operation of a circuit start end circuit breaker after a fault happens, and measuring a voltage value and a current value at a high frequency after a permanent fault state; calculating the high-frequency impedance value of a circuit between a corresponding fault point under the high frequency and a measurement point according to the voltage value and the current value; and calculating and determining a fault distance according to the high-frequency impedance value of the circuit between the corresponding fault point and the measurement point and the high-frequency impedance value per unit length of the circuit under the high frequency. According to the embodiment of the invention, the method shortens the fault positioning time while guaranteeing the positioning precision of the fault, is very high in efficiency and practicality, and does not need to introduce additional equipment and signal channels.

The invention discloses a fault location device based on disturbance signals. The fault location device comprises an injection signal generator and a signal tracking detector, wherein the injection signal generator comprises a primary assembly, a controller and a peripheral circuit; the primary assembly comprises a disconnecting switch, a fuse protector, a contactor, a transformer, a thyristor, afirst current transformer and a second current transformer, and the first current transformer is connected in series with the disconnecting switch, the fuse protector, the contactor, the transformer,the second current transformer and the thyristor; the signal tracking detector comprises a conditioning circuit, a single chip microcomputer, a communication module and a communication terminal. By means of combination of technologies such as fault indication alarm, power disturbance signal injection, rapid disturbance signal sensing, mobile data communication and the like, online rapid and accurate location of a single-phase earth fault is realized, location success rate and location efficiency of the single-phase earth fault are improved, fault location time is shortened, and besides, the fault location device is low in computational load and is more convenient.

The invention discloses an OSD fault location method and system based on an ICFS system. The method comprises the steps of classifying faults of OSD in the ICFS system in advance, and classifying fault determination manners corresponding to the faults; obtaining fault determination information of the ICFS system, wherein the fault determination information includes OSD information of each OSD in the ICFS system and/or data redundancy rules of the ICFS system; determining whether or not there are faults of the OSD according to the fault determination information combined with the preset fault determination manners and the classification of the faults. The method classifies the faults and fault determination manners of the OSD in advance, which serves as a basis for determining subsequent OSD fault location, so that convenience is provided for subsequently determining whether or not there are the faults of the OSD in combination with the fault determination information of the ICFS system, a location direction is provided for a possible fault, and the method shortens the fault location time, improves the fault handling efficiency, and improves the performance of a cluster.

The invention provides a network fault positioning method and device and electronic equipment. The method comprises the following steps of detecting the node type of a current network node; determining a current finite state machine corresponding to the current network node according to a pre-generated finite state machine model and the node type of the current network node; determining a currentstate and an anchor point of the current finite state machine; judging whether the current state of the current finite state machine is abnormal or not; and if the current state of the current finitestate machine is abnormal, positioning a network fault based on the anchor point of the current finite state machine. According to the network fault positioning method and device and the electronic equipment, the state and the anchor point of the current finite state machine can be determined based on the node type and the pre-generated finite state machine, and the network fault is positioned finally, so that the fault positioning time can be effectively shortened, and the fault positioning efficiency can be improved.

The invention discloses a method for detecting the consistency of main data and stand-by data, which includes the following steps: the data is classified; consistency detection of the main data and the stand-by data is started; main and stand-by synchronization of the data is paused; the consistency detection is operated by a main engine; the consistency detection is operated by a stand-by engine; and the synchronized operation of main and stand-by engines is recovered. The invention can detect the main engine and the stand-by engine dynamically and real-timely, and can alarm timely and automatically recover the consistency of the main data and the stand-by data when the main data and stand-by data is inconsistent. Besides, the invention can record the inconsistent alarm of the main data and the stand-by data, which is convenient to locate an inconsistent fault and shorten the time of locating the fault.

The embodiment of the invention relates to the technical field of computers, in particular to a system exception alarm processing method and device, and is used for solving the problems that exception processing is poor in timeliness, and pre-alarm and prevention cannot be achieved. The method comprises the steps that any one of all systems serves as a first system, and for the first system, the following processes are executed: according to corresponding time data, transaction information data of the first system are analyzed and calculated, and time sequence data of a system index are determined; sequentially whether the time sequence data of the system index meets an abnormal alarm condition of the system index or not is determined; when it is determined that the time sequence data at any moment meets the abnormal alarm condition of the system index, a second system associated with the first system in all the systems is determined; and an abnormal alarm indication is sent to the second system.

The invention provides a packet tracking method and device in a network device and the network device. The method comprises the steps that a packet processed by one or more subsystems in the network device is detected, and statistical reporting is carried out based on the detection record of the packet. According to the invention, layer-by-layer tracking and statistics of the packet which comes into the network device and is processed by the network device are carried out; a user can easily track the packet to know the position of the packet immediately; the health status of the Ethernet business of a device is reflected in real time; once a fault occurs and the position of the packet does not match the expected, the user can quickly locate a failed subsystem; the fault location time is saved; and the work efficiency of maintenance staff is improved.

The invention relates to the technical field of cable fault detection, and particularly relates to a fault point detection device and method for a mine power transmission cable. The device comprises aplurality of control circuits arranged at a cable body, wherein each control circuit comprises an alternating-current contactor, a fuse, a current acquisition module, a boost control circuit and a main controller; the alternating-current contactors and the fuses are connected into the cable body in series; the alternating-current contactors and the fuses at the plurality of control circuits divide the cable body into a plurality of independent detection node sections at equal intervals; the current acquisition module is arranged in the middle of the corresponding detection node section, a detection endpoint M and a detection endpoint N are arranged at the two ends of each detection node section, and traveling wave detection circuits are arranged at the detection endpoint M and the detection endpoint N; and the main controllers at the plurality of control circuits communicate with an upper computer through a communication unit. The method is implemented based on the device. According to the invention, fault point detection is simpler and more convenient, and safe transmission of the whole cable can be guaranteed.

The invention discloses a high-voltage loop fault positioning method and device of an electric automobile, the electric automobile and a storage medium, and the method comprises the steps: collecting the actual current of a plurality of sampling points on a high-voltage loop of the electric automobile; judging whether the actual current is smaller than a preset current, and determining the fault position of the high-voltage loop according to at least one sampling point smaller than the preset current; and generating a fault position code of the high-voltage loop according to the fault position so as to identify the fault position by using the fault position code during fault maintenance of the high-voltage loop. Therefore, the problems that in the prior art, since maintenance personnel need to troubleshoot and locate the fault positions of the high-voltage loop one by one, the fault position cannot be rapidly and accurately located, the maintenance efficiency is low, and the maintenance cost is increased are solved.

The invention discloses a service monitoring and diagnosis visualization method and service monitoring and diagnosis visualization equipment used for an audio/video platform. The method includes a service monitoring and diagnosis step and a service view presentation step. The service monitoring and diagnosis step includes a data collection sub-step, a service model building sub-step and a data decision sub-step. In the data collection sub-step, service data of the audio/video platform are collected to obtain service model data, and the same are stored in a data pool, in the service model building sub-step, service model summary information is read from the data pool, in the service view presentation step, a service summary information view is built, in the data decision sub-step, current service object status is monitored in real time, and in the service view presentation step, the service summary information view is refreshed; or in the service model building sub-step, the service model data are read from the data pool, in the service view presentation step, a service diagnosis view is built, in the data decision sub-step, real-time monitoring is carried out, and corresponding current service object status information and threshold exceeding marks are pushed, and in the service view presentation step, the current service diagnosis view is updated.