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

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 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.

The present invention relates to a method of an Ethernet switch data frame dividing and forwarding the VLAN. The present invention operates the VLAN division and realizes the forwarding according to a QinQ VLAN table established by a VLAN tag carried when the data frame enters into the switch and a port value when the data frame enters into the switch. By adopting the technical proposal of the present invention, when the switch operates the division of the data frame, the VLAN tag of the data frame entering into the switch PORT and the VLAN tag formerly carried by the data frame and the VLAN value in the VLAN tags are referenced at the same time, the division method of the data frame makes the VLAN value of the data frame more accurate, and more flexible, thereby, the broadcast domain is made smaller, the bandwidth wasted by the broadcast packet and the flood range of the broadcast packet are reduced, and the forwarding procedure is made more clear, the network is safer and the positioning of the fault is easy. More importantly, through the VLAN division method, the different services entering the switch can be distinguished with more details, and the different management and service grade division can be operated according to the different VLAN tags.

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.

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 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 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 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.

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.