6results about How to "Reduce troubleshooting costs" patented technology

The invention relates to the technical field of coal mine bracket sensor detection, in particular to a sensor fault detection method based on bracket action change, which comprises the following steps: collecting data through a multi-source data fusion monitoring architecture, and filtering non-fault abnormal data through a Bayesian network; constructing a mapping model of bracket action and dip angle change, and defining monitoring logic; an inclination angle value is accurately predicted in combination with a Kalman filtering algorithm, the inclination angle value is compared with a real-time observation value, and intelligent early warning is triggered when an error exceeds a preset threshold value; the method realizes accurate and real-time fault detection, avoids missed judgment, greatly shortens the troubleshooting time, reduces the labor cost, improves the safety production guarantee capability of a working face, and is suitable for complex working conditions of an underground coal mine.

The utility model provides an intelligent wiring harness connector device of real time monitoring connection state relates to wiring harness connection technical field, including intermediate seat, the both ends fixed setting of intermediate seat have put pipe terminal, two groups put pipe terminal top fixed setting have the connection buckle, the inside below of intermediate seat is fixedly set with the battery, the shell of battery is wrapped insulating layer, and the electrode of battery sets in the top both sides of battery, the top of battery is fixedly set with the electromagnet A and electromagnet B, the middle fixed setting of connection buckle has the pilot lamp, the utility model discloses through the pilot lamp bright and dark state monitoring circuit, and the pilot lamp is always bright when the circuit is normal, and the abnormality flashes, and the circuit failure is visualized, compares traditional investigation mode, can fast identification failure, shortens the investigation time, reduces the failure processing cost of power system, communication base station and so on scene, has solved the problem that the existing connector is inconvenient real time monitoring.

The invention belongs to the field of FTU fault identification, and particularly relates to a zero sequence voltage abrupt change characteristic grounding fault identification method and system for FTUs, and the method comprises the steps: firstly obtaining a power distribution network bus zero sequence voltage discrete sequence, calculating a continuous sampling point difference absolute value sequence, and constructing an abrupt change characteristic quantity sequence through sliding time window integration; the time window features are input into a pre-trained capsule neural network, and the primary capsule layer encodes the time window features into primary capsule vectors; and updating the connection weight between the primary capsule and the high-level capsule to be converged through iterative computation, and judging a fault according to the converged high-level capsule vector: judging the fault and outputting a starting signal when the model length of the capsule in a grounding fault state exceeds a first threshold value and the included angle between the capsule and the fault feature base vector is smaller than a second threshold value, otherwise, judging that the system is normal. The FTU identification precision and efficiency can be improved.

The application provides a low-code application correctness verification method and system based on formal verification. The low-code application correctness verification method based on formal verification comprises the following steps: extracting a flow of a low-code application, setting a formal model for the flow of the low-code application; verifying the formal model, determining whether the low-code application meets performance requirements according to a verification result, and when the verification result indicates that the low-code application does not meet the performance requirements, performing a performance test on the low-code application to obtain test items that do not meet the performance requirements; extracting the test items that do not meet the performance requirements, and performing performance unqualified grade division on the test items to obtain unqualified grades. The system comprises modules corresponding to the method steps.

The application discloses a multi-data-source automatic acquisition and comparison system, relates to the technical field of data processing and automatic test, and comprises the following steps: a scheduling center generates a task context containing a task identifier and a time range; an intelligent sampler determines a sample set based on a strategy-driven random algorithm and a hash modulo operation; a data extraction agent acquires multi-source heterogeneous data in parallel through a unified interface and encapsulates the multi-source heterogeneous data into a virtual data context; a rule execution engine loads a declarative rule, converts data into standard semantic values, constructs a rule execution topology graph, traverses nodes according to a dependency relationship to execute logical assertions or blockages; and a report generation module outputs a diagnostic report by summarizing checking results and original data snapshots. Through full-link data tracking and topological rule checking, the application realizes accurate automatic comparison of multi-source heterogeneous data consistency in a distributed environment.

The invention discloses a firmware upgrading method of a vehicle camera, a vehicle and a computer readable storage medium. The method comprises the steps of obtaining deserializer identification information of a vehicle domain controller in response to a firmware upgrading instruction; configuring a firmware upgrading communication link of the target camera to be upgraded according to the deserializer identification information; first identification information of the target camera is acquired through the firmware upgrading communication link; determining target upgrading firmware matched with the target camera from a firmware upgrading file package obtained in advance according to the first identification information; and according to the target upgrading firmware, performing firmware flashing on the target camera so as to perform firmware upgrading on the target camera. Therefore, the target upgrading firmware adaptive to the target camera can be automatically determined for firmware flashing, manual identification of camera models and matching firmware are not needed, the stability and reliability of vehicle camera firmware upgrading are guaranteed, the firmware upgrading efficiency is improved, and then the batch upgrading requirement of cameras is met.