177results about How to "Convenient fault location" patented technology

The method comprises: a multiplexing control module used for controlling the switching between the functional module and general I / O interface module, and controlling the signal direction of the functional module and general I / O interface module; and a general I / O interface module used for controlling the signal direction of the I / O interface module and outputting CPU configuration level to multiplex pins, and reading the signal of the multiplex pin. Wherein, each multiplexing control combination logic module corresponds to a multiplexing pin.

The invention provides a large-scale parallel system-based distributed communication system and a control method of the large-scale parallel system-based distributed communication system. According to the control method, at a time of the triangle-carrier wave peak of a PWM (pulse-width modulation) module, sub-controllers pack collected analog signals and digital signals of a corresponding converter cabinets into a user-defined one-frame data format, and transmit the packet to a main controller, and trigger start signals are generated after all the sub-controllers transmit the collected data to the main controller; the main controller is responsible for the control algorithm and the treatment of fault signals, reads the data transmitted by the sub-controllers after receiving the trigger signals, and transmits control command information to each sub-controller after the computing treatment; the sub-controllers control the corresponding PWM converter cabinets after receiving the control information. Namely, one transmitting and receiving process can be completed by the distributed communication control. By the system and the control method, the modularization and the parallel control of the wind power converter can be easily realized, the faults of the system can be easily positioned, and the circulation flow and the uneven flow of the parallel system can be effectively restrained.

Disclosed in the invention is an automatic ground testing system of spaceborne electronic equipment. The invention aims at providing an automatic ground testing system having advantages of high integration, reliability, and extensibility, high comprehensive degree, and good capability of reduction of equipment and interfaces. According to the technical scheme, tested equipment, an integrated exciter, and a response analyzer are connected by testing switch matrix equipment; and one end surface of the testing switch matrix equipment faces the integrated exciter or the response analyzer and the other end surface faces the tested equipment. Loading and measurement of different parameters are carried out by switching connectors at different positions of the testing switch matrix equipment. A main control computer carries out data interaction with the integrated exciter, the response analyzer, the testing switch matrix equipment, integrated power supply equipment, and an integrated monitor by a fiber LAN switched network; analysis and testing data are outputted in a report mode; and instructions and remote telemetering information of the integrated monitor, an integrated channel unit, an integrated service unit, and an integrated management and control unit are transmitted by the fiber LAN switched network.

The invention provides a method and a device for acquiring node transmission information on a transmission path. The method comprises: network time of a source node and a target node are synchronized, when the source node transmits a Ping message to the target node, the transmission time of the message is recorded in the IP header option field of the Ping message; after the Ping message reaches the target node, at least one of the following information is recorded: the IP header option field which copies the transmission time to the Ping reply message, the time when the target node receives the Ping message, the time when the Ping reply message is generated, the time when the Ping reply message is transmitted, the CPU occupancy rate the memory occupancy rate, the interface type and MTU when the Ping reply is generated. At least one of the above information is transmitted to the source node; and according to the transmission time of the source node, the receiving time of the target node, the generation time and the transmission time, the delay information is calculated and CPU utilization rate, the memory occupancy rate, the interface type and the MTU are extracted. The invention can easily and effectively acquire relevant delay information system information and interface information of each node in the transmission path,.

The invention discloses an evolved Node B (eNodeB) monitoring system and an eNodeB monitoring method, which are applied to a long term evolution (LTE) network. The system comprises a UU air interface signaling acquisition module, a communication port programming interface (CPPI) / infrared (IR) interface signaling acquisition module, an intra-base band unit (BBU) signaling acquisition module, an S1 / X2 interface signaling acquisition module, an Ethernet switching module and a signaling analysis module. In the system and the method, analysis on control planes of an S1 interface and an X2 interface, each layer of a protocol stack in a BBU and a UU interface on a CPRI / IR link are combined to comprehensively analyze each kind of signaling of an eNodeB by the signaling analysis module to know the running conditions of the eNodeB, and data on a plurality of interfaces is associated for association analysis to solve the problem of comprehensive eNodeB signaling monitoring, so that comprehensive signaling monitoring can be performed for different interfaces, the problems of inconvenience of system maintenance and system instability caused by the adoption of different monitoring equipment are solved, and whole-course whole-network real-time association is realized; and the system and the method are favorable for the fault positioning of the whole network.

The invention discloses method and device for realizing warning. The method comprises the steps of: obtaining priority relation information of the warning, after acquiring the current warning, determining the priority of the current warning according to the priority relation information; inquiring whether warning with higher priority exists in a warning source generating the current warning according to the priority of the current warning, if so, not reporting the current warning; and if not, reporting the current warning. Through establishing a warning priority tree, the invention realizes effective filtration on the warning with lower priority in a manner of inhibiting warning with lower priority by warning with higher priority in a warning tree, ensures that a webmaster does not have the warning with lower priority but have effective warning with higher priority, is convenient for better positioning failures by an equipment maintaining personnel, and reduces the load of the webmaster.

The invention discloses a method and a system used for processing a log. The method comprises the steps of receiving requests from clients; adding a tracing identifier to each request; and processing the requests by utilizing at least a micro-service, wherein the at least one micro-service generates log information, and the log information comprises the tracing identifiers. In the embodiment, by adding the tracing identifiers to the requests, the log information of each request in different micro-services can be identified rapidly by utilizing the tracing identifiers, reoccurrence of the micro-services called by each request is accordingly carried out, the micro-services which the requests pass through can be positioned rapidly, and fault reason is further positioned conveniently.

The invention provides a data detection method and apparatus, a detection server and a storage medium. The method comprises the following steps: obtaining external network quality alarm data; mining alarm metadata from the external network quality alarm data; selecting alarm metadata to be detected from the mined alarm metadata, and determining a service impact weight of each area combination in the alarm metadata to be detected; selecting the detection feature of the alarm metadata to be detected at least according to the service impact weight of each area combination in the alarm metadata tobe detected; separately using at least two anomaly detection models to determine detection results of the alarm metadata to be detected in anomaly detection models; and determining a final detectionresult of the alarm metadata to be detected according to the detection results of the alarm metadata to be detected in anomaly detection models. By adoption of the data detection method and apparatus,the monitored external network quality alarm data can be automatically analyzed and detected to detect abnormal alarm from the data, thereby facilitating fault location of the service.

Provided are a conductive slip ring fault test device and a test method. The test device is electrically connected with the conductive slip ring to form a test loop, wherein the test device comprises a constant current generating circuit which provides a first constant current for the test loop when the test device is in a contact resistance test pattern, an acquisition system determining voltage values of two ends of the conductive slip ring when the first constant current flows through the conductive slip ring, a processor determining a contact resistance value of the slip ring in the first constant current based on the voltage values and comparing the contact resistance with the first resistance threshold value, wherein when the contact resistance value is no less than the first resistance threshold value, the result information indicating that the conductive slip ring is already faulty is sent and when the contact resistance value is smaller than the first resistance threshold value, the result information indicating that the conductive slip ring works normally is sent. According to the test device and method, the conductive slip ring fault is capable of being found timely and therefore the problem of being difficult in conductive slip ring fault detection on the spot is solved.

The invention provides a direct-current line single-terminal fault location method for a multiterminal flexible direct-current transmission system. The method comprises the following steps of: 1, acquiring fault transient state current magnitude from a current divider of a direct current line side of the multiterminal flexible direct-current transmission system; 2, extracting a characteristic frequency signal and calculating a characteristic frequency value according to the measured fault transient state current magnitude by spectrum analysis; and 3, calculating a fault distance according to the characteristic frequency value by combining the wave velocity under the characteristic frequency value. According to the method, only the single-terminal current data is used during fault location, the required sampling rate is low, and a calculation step is simple; a travelling wave tip is not needed to be identified, and the method is reliable and safe; and short data window accurate fault location can be realized. The fault location method is suitable for parallel, series and hybrid multiterminal flexible direct-current systems.

The embodiment of the invention discloses a V x LAN detection method and device, which are applied to a transmission node; the detection method comprises the following steps: detecting a sent detection message; when the detection message is detected, copying the detection message to form a duplicate message; adding transmission information transmitted by the detection message to the transmission node in the duplicate message; sending the duplicate message added with the transmission information to a control node; and sending the detection message to a next transmission node. In the embodiment,the detection message is duplicated, and the transmission information is added in the duplicate message, so that the transmission condition of the detection message in the transmission node can be known after the control node receives the duplicate message; therefore, whether the transmission node causes a network abnormal fault point or not is positioned according to the transmission condition;simple network fault positioning is realized, the fault positioning efficiency is improved, and the recovery speed of network communication is improved.

The invention relates to a fault locating method and system of an active power distribution network. The method comprises the following steps that 1 fault current constant values of feeder terminals are set to be higher than the largest load current; 2 when the active power distribution network has faults, fault detection is started for the feeder terminal through which a fault current passes, and a short-circuit current measurement value is submitted to a power distribution network system master station; 3 the power distribution network system master station resets a fault current constant value according to the short-circuit current, passing through an outlet breaker, submitted by a circuit outlet switch feeder terminal and then judges whether the fault current passes through a switch of one certain circuit, and the fault section is recognized by adopting a common fault locating method. The system comprises the power distribution network master station, the feeder terminals and a communication system, and the power distribution network master station is connected with all the feeder terminals through the communication system to achieve information exchange. The method and system can locate the faults easily and rapidly, easy to achieve and good in use effect.

The invention provides a log management method and device. The method is applied to a terminal with an embedded system. A memory file system and a Flash file system are mounted in the embedded system. The method comprises the steps that log information of the embedded system is obtained; the working state of the embedded system is obtained; if the working state shows that the embedded system works normally, the log information is written to the memory file system; if the working state shows that the an exception occurs in the embedded system, the log information is written to the Flash file system. By means of the method, the log information which contains exception information occurring in the running process of an embedded device can be effectively stored and recorded, so that a user can position a fault, analyze causes of the exception and the like according to the log information, and meanwhile, the service life of the Flash file system is avoided from being affected.

The invention relates to a data network quality piecewise detection method and system based on service information. The method comprises the steps of S1, setting an atom probe at each network element in a data network; S2, deploying an atom probe controller in the data network and connecting the atom probe controller with the atom probe of each network element in the data network with an independent channel; S3, setting an information management platform and connecting the information management platform with the atom probe controller; and S4, carrying out piecewise detection on the quality of the data network by sending a detection command to each network element in the data network through the atom probe controller. The system comprises the atom probes, the atom probe controller and the information management platform. According to the data network quality piecewise detection method and system based on the service information provided by the invention, the quality detection is carried out on the data network through utilization of the atom probe connected with each network element in the data network; the whole data network is dived into a plurality of sublinks; the quality detection based on service is carried out on each sub-link; and a maintainer can position a fault in the data network conveniently.

The invention discloses single board wireless debugging method and device. In the single board wireless debugging method, a first wireless receiving and transmitting module on the debugging terminal side modulates first debugging information to a first wireless signal; the first wireless receiving and transmitting module sends the first wireless signal to a second wireless receiving and transmitting module on the single board side through a wireless signal transmitting window on the single board, and the first wireless receiving and transmitting module is connected with the wireless signal transmitting window; the second wireless receiving and transmitting module demodulates the first debugging information from the first wireless receiving and transmitting module, and then the single board can be debugged according to the first debugging information. The invention solves the problem that the single board debugging method is not beneficial to removing faults and has complicated operation and low efficiency in the prior art, and is convenient to locate faults on engineering site.

This invention discloses a process method and a device for broadband device fault position request, in which the device includes a test server, a memory module and an input / output module, the test server includes: a test task dispatch module, a monitor thread module, a test task process module and a result analysis process module. The test order is input via the input / output module the dispatch module judges its feature to store it in different task arrays, the task process module receives the order to start two pairs of test threads separately used in the communication with the being tested broadband devices and test device, the process module analyses the test result to the being tested device to transfer it to ordinary file and stores it in a memory module to be output by the output module.

The invention provides a fault processing system and method of a vehicle-mounted power source. The vehicle-mounted power source comprises a control module and a power storage module. The system is characterized by comprising a sampling unit, a buffer memory unit, a trigger unit and a nonvolatile memory positioned in the control module, wherein the sampling unit samples state data of the vehicle-mounted power source in real time when the vehicle-mounted power source starts working; the buffer memory unit caches the state data sampled by the sampling unit in real time; and when the state data sampled by the sampling unit exceeds a set threshold, the trigger unit writes the cached state data in the nonvolatile memory. According to the system and method, the state data is cached in real time, and stored in the nonvolatile memory when the state data is abnormal, related information when the vehicle-mounted power source has the fault can be recorded effectively, and the fault of the vehicle-mounted power source can be located conveniently.

The invention discloses a program broadcast testing method and device. The method is used for testing programs of an IPTV service system through a set top box. The method includes the following steps of: obtaining a broadcast testing request, wherein the broadcast testing request contains at least one target program identifier; controlling the set top box to switch a target program corresponding to the target program identifier according to the broadcast testing request; obtaining interactive information transmitted between the set top box and the IPTV service system; and testing the broadcast situation of the target program according to the interactive information so as to obtain testing results. Compared with the prior art, interferences which are caused by a situation in which a set top box is operation manually and the broadcast situation of a program is tested through subjective judgment can be eliminated, and testing efficiency is high, and the testing results has high accuracy.

The invention relates to a slat tilting detection device of an aircraft high lift system. The slat tilting detection device comprises a slat tilting detection sensor and a steel rope, wherein the steel rope sequentially penetrates through a plurality of parallel slats, one end of the steel rope is fixedly connected with the outermost slat, and the other end of the steel rope is fixedly connected with the innermost slat through the slat tilting detection sensor; the slat tilting detection sensor comprises a fixed support seat, a step cylinder, a sleeve cylinder, a piston, a target and a probe, the fixed support seat is fixedly arranged on the corresponding slat, the step cylinder is fixedly arranged on the fixed support seat, the sleeve cylinder and the piston are sequentially sheathed into the step cylinder, the target is fixedly arranged at the sealing end of the sleeve cylinder, and the probe is fixedly arranged on the fixed support seat corresponding to the target; the probe and the target form a proximity sensor, and the output end of the probe is used as the output end of the slat tilting detection detector; a sleeve cylinder spring is sheathed on the exterior of the sleeve cylinder; one end of the sleeve cylinder spring is connected with the sleeve cylinder, and the other end of the sleeve cylinder spring is connected with a spring clamping boss; a pre-tightening piston spring is sheathed on the part, extending into the sleeve cylinder, of the piston; one end of the piston spring is connected with the piston, and the other end of the piston spring is connected with the sleeve cylinder; the extending end of the piston is connected with the steel rope.

The invention provides a battery management system and a battery management method. The battery management system comprises at least one battery module, at least one battery management chip, at leastone sampling circuit, at least one equalization circuit, a power supply module, a central control unit and a fault wake-up circuit, wherein each battery module corresponds to one battery management chip, one sampling circuit and one equalization circuit; the sampling circuit and the equalization circuit are respectively connected with one battery module and one battery management chip; and the fault wake-up circuit is respectively connected with the battery management chip, the power supply module and the central control unit. According to the battery management system provided by the invention, in the sleep mode, when the battery module has an undervoltage or overvoltage fault due to the failure of the equalization circuit, the battery management system can be awakened in time through thefault wake-up circuit to process the fault, so that the battery module is prevented from being damaged due to continuous overcharge or overdischarge.

The present invention discloses a data acquisition method for a process industry production system, and belongs to the field of informatization and automatization of process industry production systems. The method comprises the five steps: preparing data extraction and driver pushing; deploying an interface adapter service, a data extraction driver, and a data pushing driver, and an interface adapter client; creating a data transmission channel; establishing a corresponding relational table; and starting a data transmission channel. According to the method provided by the present invention, the problem of real-time acquisition of a great amount of production system data in a typical production environment of the process industry is solved.

The invention belongs to testability technologies, and relates to a digital-analog hybrid circuit BIT device based on boundary scan. The device is composed of a link scanning module, a boundary scan controller, a master controller, a test vector storage and a tested digital-analog hybrid circuit, the boundary scan controller and the master controller are needed in scan test execution, the test vector storage is loaded with test vectors, the device can achieve a BIT based on the boundary scan according to the characteristic of a digital-analog hybrid complex circuit, and therefore the test problem caused by the structure and cross link complexity of the digital-analog hybrid circuit can be effectively solved, and universal and reliable testability design is provided for the device. The fault detection and locating of the circuit can be facilitated, testing efficiency and reliability are improved, development and maintenance cost is lowered, and operational effectiveness and overall economic benefits are improved.

The present invention discloses an industrial Ethernet switch with optical power detection, relates to the industrial Ethernet switch optical power detection technology, and provides an industrial Ethernet switch capable of automatically detecting and receiving optical power. The industrial Ethernet switch comprises an optical power meter and a processor. The optical power meter is configured to detect the optical power of the optical signals inputted by the optical port of the industrial Ethernet switch; and the processor is configured to calculate the difference value of the optical power and the optical receiving sensitivity, and if the difference value therebetween is smaller than a margin setting value, the alarm information about insufficient receiving power margin and corresponding optical fiber numbers are sent to a management server through a network.

The invention belongs to the technical field of an electromechanical actuator, and provides a modular parallel type electromechanical actuator having the advantage of compact structure, concise transmission and simple assembly debugging. The modular parallel type electromechanical actuator comprises a servo motor (1), a gear reducer (2), an electromagnetic lock (3), a ball screw assembly (4) and a bolt assembly (5). An output shaft of the servo motor (1) is connected with a small gear shaft of the gear reducer (2), a large gear shaft of the servo motor (1) is connected with an input shaft of the ball screw assembly (4), the servo motor (1) and the ball screw assembly are arranged in parallel, and the electromagnetic lock (3) is installed on a housing of the gear reducer (2). Functions between the various function modules are independent, interfaces are clear, and an electromechanical actuator having complete functions can be formed through simple combinations. The modular parallel type electromechanical actuator has the advantages of high universality between the modules, simple assembly, high production efficiency and convenient fault positioning, is suitable for batch production, and greatly improves maintainability and supportability of a system.

The invention relates to the technical field of extruding machines, in particular to a high-efficiency and stable full-automatic plunger type PTFE strip extruder. The high-efficiency and stable full-automatic plunger type PTFE strip extruder comprises a rack, a material bin, an automatic weighing and feeding mechanism, a pre-pressing and blank-forming device and a long-strip extruding mechanism, wherein the pre-pressing and blank-forming device comprises a circulation conveying mechanism, a material injecting cylinder and a pre-pressing driving system; the high-efficiency and stable full-automatic plunger type PTFE strip extruder further comprises a first detection element arranged at the pre-pressing and blank-forming device and a second detection element arranged at the long-strip extrusion mechanism; and the high-efficiency and stable full-automatic plunger type PTFE strip extruder further comprises a controller which saves manpower consumption, reduces the influence of manual operation on the PTFE fiber finished product, improves the quality of the PTFE long fiber product, is small in occupied area and simple to operate, achieves integration, greatly improves the production efficiency, greatly improves the stability, and greatly improves the production processing efficiency.

The invention discloses an Internet-of-Things test method, system and device. The Internet-of-Things test method comprises the following steps: receiving a test task of a dial test terminal and a number segment of an Internet-of-Things card; and enabling the number card verification module to verify the Internet-of-Things card according to the test task. The terminal verifies the Internet-of-Things card according to the dial testing task issued by the dial testing terminal, compared with traditional manual verification, the cost of manual verification is reduced, the method has the advantage of being high in efficiency, and faults can be well positioned in the testing process of the Internet-of-Things card. The method can be widely applied to the technical field of Internet of Things testing.

The invention discloses a detection positioning method for a single-phase grounding fault of an overhead line of a power distribution network. The method comprises the following steps of: 1) under offline state, injecting same high-voltage pulses into three phases of a busbar terminal of the power distribution network and detecting three-phase voltage waveforms at the busbar terminal of the power distribution network and the tail end of the trunk line; 2) utilizing Karen Bauer transformation matrix to perform phase-mode transformation on the signals of the two terminals acquired in the step 1), performing modulus uncoupling on the three-phase voltage acquired from the busbar terminal of the power distribution network, thereby acquiring a line model voltage; 3) calculating a fault distance according to the moment corresponding to the first nonzero mutational site of the line model waveform of the busbar terminal of the power distribution network acquired in the step 2); and 4) positioning a fault section according to the moment corresponding to the first nonzero mutational site of the three-phase waveform, the moment corresponding to the first nonzero mutational site of the line model waveform of the tail end of the trunk line acquired in the step 2) and the fault distance acquired in the step 3). When the detection positioning method provided by the invention is used for detecting the single-phase grounding fault of the overhead line of the power distribution network, the fault section can be conveniently positioned.

A method for diagnosing a state in a vehicle, which has a CAN communications bus to which electronic control units of the vehicle are connected, includes providing a rest state of the vehicle; coupling a diagnostic testing device to at least one diagnostic terminal of the vehicle; monitoring of the CAN communications bus by the diagnostic testing device with regard to CAN messages sent out after entry into the rest state; detecting of a CAN message sent out on the CAN communications bus after entry into the rest state, and assigning of the detected CAN message to an electronic control unit sending out the CAN message; providing information regarding a chronological appearance of the detected CAN message in a series of CAN messages appearing on the CAN communications bus after entry into the rest state; and providing information for identifying the electronic control unit sending out the detected CAN message.

The invention discloses an alarm log monitoring method and system, electronic equipment and a readable storage medium. The method comprises the steps that multiple alarm logs generated by network equipment in a preset time period are acquired; key feature extraction is carried out on the obtained alarm log to obtain attribute information of the alarm log; according to the attribute information ofthe alarm log, clustering analysis is carried on the alarm logs and a clustering analysis operation result is output; and abstract information of the alarm log is generated according to the clusteringanalysis operation result. According to the embodiment of the invention, the network equipment generates a plurality of alarm logs; under the condition of covering all alarm contents, the number of alarm logs is reduced in a clustering manner; developers can quickly and conveniently locate faults only by clustering the abstract information of the alarm logs covering all the alarm contents, so that the time cost of locating the faults by the developers can be effectively saved, and the developers can conveniently check and solve the faults.