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55 results about "Error checking" patented technology

Error checking tests assess a candidate’s ability to identify errors in data sets and assess the correctness of information. They are also known as Data checking tests. Candidates are required to complete error checking tests under timed test conditions.

Optical cable fitting fatigue damage detection method and system

The invention discloses an optical cable fitting fatigue damage detection method and system, and relates to the technical field of power transmission line state monitoring, and the method comprises the following steps: S1, constructing a wind field and structure coupling observation baseline, obtaining a full-time-domain vibration response signal of an optical cable fitting in a non-uniform wind field environment, generating a phase consistency distribution map, and obtaining a phase consistency distribution map; establishing a corresponding relation between the multi-path reflection source group and the time correlation sequence as a traceable reference for phase analysis; and S2, based on the phase consistency distribution map, performing causal beam demixing processing, performing arrival time difference densification calculation and curvature spectrum separation analysis on each sound wave propagation path, and extracting crack propagation pointing data. According to the method, through wind field-structure coupling observation, path unmixing, phase regression and error checking, multi-path propagation recognition and correction are achieved, crack propagation topology is reconstructed, polarization rotation and a phase suppression mechanism are combined, and direction recognition stability and detection adaptivity are improved.
Owner:SHANDONG RUINENG NEW ENERGY CO LTD

Error checking method and system for intelligent water meter

The invention provides an error checking method and system of an intelligent water meter, and relates to the technical field of error checking of the intelligent water meter, and the method comprises the following steps: collecting multi-modal monitoring data of the intelligent water meter; performing signal preprocessing on the water flow acoustic signal and the mechanical vibration signal to generate an acoustic fusion signal, extracting time-frequency domain features of the acoustic fusion signal related to errors, and constructing an optimal error feature set; performing pattern recognition based on the optimal error feature set and a preset standard verification feature library to generate an error preliminary result; constructing an error prediction and verification model, verifying the error preliminary result in combination with the optimal error feature set and the flow data, and outputting an error verification result; when the error grade reaches a preset error grade threshold value, an early warning mechanism is triggered, and early warning information is pushed, so that the metering performance of the water meter can be evaluated in real time, the error change trend can be dynamically predicted, the timeliness and effectiveness of error verification are effectively guaranteed, and the dynamic error management and control requirements of the intelligent water meter are comprehensively met.
Owner:NANJING ZIFENG WATER EQUIPMENT CO LTD

Systems and methods for error checking in magnetic field sensing applications

Disclosed are example systems and methods for error checking in magnetic field sensing applications. In particular, described are example systems and methods for error checking in magnetic field sensors used for determining a rotation angle of an object that rotates. In some embodiments, a plurality of signals representative of a magnetic field generated by a magnetic target may be received. The plurality of signals may be combined to determine a value, and a determination made as to whether the determined value is an expected value. When the determined value is not an expected value, an output signal representing an error may be output.
Owner:ALLEGRO MICROSYSTEMS LLC

Self-adaptive error checking method and communication equipment

PendingCN121940096ABalanced error detection capabilitiesBalancing computational efficiencyError preventionError checkingData transmission
The invention provides a self-adaptive error checking method and communication equipment, and the method comprises the steps that a data transmission sender obtains environment information; selecting polynomial bits according to the environmental information; transmitting the polynomial bits to a data transmission receiver; and the data transmission receiver performs error check through the received polynomial bits. By utilizing the technical scheme provided by the embodiment of the invention, the error detection capability, the calculation efficiency and the resource consumption can be balanced in a scene with strict requirements on the calculation efficiency and the resource consumption.
Owner:CHINA STAR NETWORK SYST RES INST CO LTD

Memory system and error correction method thereof

The invention provides a memory system and an error correction method thereof. The error correction method for a plurality of memory devices includes: an error check operation of generating an error sum data segment by performing a parity operation on a plurality of data segments from each of the memory devices; a test preparation operation of generating a third data segment by performing a parity operation between the error sum data segment and a second data segment from the target memory device to generate test data by replacing the second data segment with the third data segment; error correction operation: generating a correction data segment by correcting errors in the test data; judging operation: when the error correction operation is successful, judging whether error correction occurs in the correction data segment; and determining operation: determining whether the error correction method is successful or not according to a result of the judgment operation.
Owner:SK HYNIX INC

Self-adaptive interpolation restoration device and method for automatic driving continuous time-space data transmission

The invention discloses a self-adaptive interpolation restoration device and method for automatic driving continuous time-space data transmission, belongs to the technical field of automatic driving data transmission and processing, and solves the problems of high bandwidth occupation, insufficient restoration precision, poor scene adaptability and the like of an existing transmission scheme. The device comprises a data acquisition module, a vehicle end edge calculation module, a self-adaptive interpolation reduction module and an error verification module. The method comprises the steps that a vehicle end collects multiple types of spatio-temporal data and adds identifiers, dynamic characteristic parameters are extracted to divide low, medium and high dynamic driving scenes, a starting and ending point interval is adaptively configured, data are packaged in a customized mode, a cloud end restores the data according to a scene matching interpolation algorithm, error verification is conducted through original spatio-temporal data cached by the vehicle end, and the data are stored in the cloud end. If the threshold value is exceeded, triggering supplementary transmission and reducing the interval between the starting point and the ending point. According to the method, the data transmission quantity and bandwidth occupation are greatly reduced, the restoration precision and the data reliability are improved, the vehicle end energy consumption is reduced, and the real-time data interaction requirements of all working conditions of automatic driving are met.
Owner:AUTOMOBILE RES INST OF TSINGHUA UNIV IN SUZHOU XIANGCHENG

A method for evaluating the grade of the appearance of a circuit layout wiring schematic diagram

The present application relates to the technical field of circuit automation design, and provides a circuit layout wiring schematic diagram aesthetic grade evaluation method.The method comprises the following steps: based on a sliding window strategy, a circuit layout wiring schematic diagram obtained is segmented to obtain a local subgraph; a Laplace convolution kernel is used to extract a graph type subgraph feature of the local subgraph and reduce a feature vector space to obtain a numerical type subgraph feature vector; the local subgraph is clustered based on a genetic clustering algorithm according to the subgraph feature vector; a local subgraph with the smallest Euclidean distance to a clustering center point in each cluster in a clustering result is selected as a representative subgraph, a residual neural network is used to predict the representative subgraph, and a subgraph aesthetic evaluation score is obtained; a schematic diagram aesthetic evaluation score is calculated, and a score grade mapping relationship is used to calculate an aesthetic evaluation grade of a to-be-evaluated schematic diagram.The method improves a basic evaluation index of a circuit layout wiring generation algorithm, and facilitates early and rapid understanding of a circuit and error checking.
Owner:NANKAI UNIV

Method and device for correcting a digital map

The invention relates to a method for correcting a digital map (30) comprising the steps: Perform a calibration phase (3) with the following steps: Selection of a first map section (33) of the digital map (30), checking the first map section (33) for errors (9, 10, 11, 12, 13) and correcting the errors found (50) in the first map section (33) in a first correction stage (4), Checking the corrected first map section (33) for errors (9, 10, 11, 12, 13) and correcting the errors found (50) in the corrected first map section (33) in a further correction stage (5, 6, 7, 8), Repeating the next correction stage (7, 8, 43, 44) until, in at least two consecutive correction stages (7, 8, 43, 44), fewer than a predetermined number of errors (12, 13), in particular no errors (50), are found and in this way a first number of correction stages (4, 5, 6, 7, 8) of the first map section (33) from the calibration phase (3) is determined, Determination of a second number of necessary correction levels (17, 18, 19) for remaining map sections (34) based on the first number of correction levels (4, 5, 6, 7, 8) carried out in the calibration phase (3) for the first map section (33), wherein the second number of necessary correction levels is at least one correction level smaller, preferably at least three correction levels smaller, than the first number of correction levels carried out in the calibration phase, wherein each of the remaining map sections (34) of the digital map (30) is checked and corrected with the determined second number of correction levels (17, 18, 19).
Owner:ROBERT BOSCH GMBH

DNA storage medium-oriented scalable vector graphics (SVG) image coding method and system

The invention provides a DNA storage medium-oriented scalable vector graphics (SVG) image coding method and system, and the method comprises the steps: reading an SVG file, analyzing the SVG image to obtain a document tree containing a plurality of nodes, and distributing structure information for representing the structure position of the nodes in the document tree for the nodes; coding the nodes to generate node fragments, wherein the node fragments comprise label codes generated according to labels of the nodes and attribute codes generated according to attributes of the nodes; aggregating the plurality of node fragments according to the label codes thereof to form at least one aggregation block, the aggregation block comprising header information and the plurality of node fragments, the header information being used for indexing the node fragments contained therein; the at least one aggregate block is converted into at least one DNA base sequence, and error correction information for error verification or repair is added to the at least one DNA base sequence. According to the method, the encoding length is reduced while the semantic integrity of the SVG is maintained, the error-resistant capability is improved, and the progressive decoding capability is provided.
Owner:SHANGHAI JIAOTONG UNIV

Pinyin error correction method

This invention provides a Pinyin error correction method that simplifies the noise channel model used in most current Pinyin error correction algorithms by employing a real-time frequency counting method, effectively improving the efficiency and lightweighting of the algorithm. Furthermore, this invention uses a direct character substitution method instead of the traditional edit distance calculation method, avoiding frequent edit distance calculations in the Pinyin error correction algorithm. The dictionary database itself is localized to the individual user, resulting in a highly personalized, targeted, and small-scale dictionary that provides accurate candidate words. Compared to existing algorithms, this invention offers significant improvements in error checking rate, candidate word accuracy, and execution efficiency.
Owner:ZHONGKE FANYU (WUHAN) TECH CO LTD

Continuous rigid frame aqueduct cantilever pouring hanging basket stress monitoring and early warning method and system

The application discloses a continuous rigid frame aqueduct cantilever pouring hanging basket stress monitoring and early warning method and system, relates to the technical field of hydraulic engineering construction, and comprises the following steps: arranging stress monitoring points and displacement monitoring points, and constructing a stress-displacement double-system collaborative perception model; carrying out double-channel vibration noise separation on real-time collected stress signals and displacement signals; based on a stress-wet weight nonlinear mapping relationship and a displacement-wet weight geometric inversion model, respectively calculating wet weight values, and verifying the consistency of the wet weight value measurement results through a residual error checking mechanism; constructing a multi-source driven safety threshold model, and generating a dynamic safety threshold in real time; when the monitored wet weight value exceeds the dynamic safety threshold, triggering a hierarchical early warning and executing risk control measures. The stress-displacement double-system independent measurement and cross-checking method, through a vibration frequency domain compensation algorithm, suppresses vibration interference, constructs a multi-source driven safety threshold model, and realizes high-precision monitoring of the stress of the continuous rigid frame aqueduct cantilever pouring hanging basket.
Owner:SINOHYDRO BUREAU 14 CO LTD +2

Class model inspection method, electronic equipment, storage medium and product

The invention discloses a class model inspection method, electronic equipment, a storage medium and a product. The method comprises the steps of obtaining context information of a target micro-service application in response to a class model check request from a client; performing class model compliance check based on the context information to generate a corresponding error check result; wherein the class model compliance check comprises at least one of the following items: class member reference validity check, interface and abstract method implementation integrity check, technical suite compatibility check, class name uniqueness check and request path uniqueness check; sending an error checking result to the client for visual display; receiving a correction instruction from the client; the correction instruction is associated with a target error item in the error checking result; and executing a response operation corresponding to the correction instruction. According to the scheme, the multi-dimensional compliance check is executed based on the micro-service context, and the class model design quality and efficiency are improved through visual interaction and intelligent response.
Owner:SHENZHEN COMTOP INFORMATION TECH

Risk-adaptive electric power system operation order anti-error checking method and system

The invention provides a risk self-adaptive electric power system operation order anti-error checking method and a risk self-adaptive electric power system operation order anti-error checking system. Comprising the following steps: collecting and solidifying a real-time state of a power grid to generate a space-time reference snapshot, carrying out macroscopic risk identification and correction on an operation order on the basis, and constructing a dynamic trajectory map reflecting operation sequence evolution; potential linkage risks are identified through a sliding scanning map, a risk thermodynamic distribution map is generated, a risk diffusion coefficient matrix is extracted accordingly, and a plurality of risk sensitive sub-scene clusters are divided in a self-adaptive mode. And performing transient simulation verification on each sub-scene cluster in parallel, generating a local adjustment scheme for a risk exceeding scene, and coordinating and integrating the scheme and reconstructing an operation order through iterative optimization circulation until the overall risk is converged. And outputting a multi-dimensional decision report and archiving whole-process data to a knowledge base, so that the operation ticket checking has the capabilities of deep risk prediction, local accurate suppression, global iterative optimization and experience self-evolution.
Owner:青海绿能数据有限公司

A heavy haul railway dispatching instruction post-event checking method

This application relates to a post-event inspection method for heavy-haul railway dispatching instructions, belonging to the field of track control technology, which can improve the business processing efficiency of heavy-haul railway dispatching instruction inspection. The method includes: associating dispatching instruction data with preset business data to generate a standardized instruction object carrying business characteristics to be inspected; determining and sending the standardized instruction object to the target inspection terminal corresponding to the standardized instruction object based on a preset allocation strategy; receiving error inspection data returned by the target inspection terminal, matching the error inspection data with a preset error dictionary to determine an error type marker; obtaining the state transition path corresponding to the error type marker, and driving the standardized instruction object to flow and update its state among multiple business processing nodes included in the state transition path until the flow state of the standardized instruction object is updated to a business closed-loop state.
Owner:SHUOHUANG RAILWAY DEV

Intelligent scheduling operation ticket generation and error prevention method and system based on natural language processing and real-time topology simulation

The invention relates to the technical field of power grid dispatching automation, in particular to an intelligent dispatching operation ticket generation and error prevention method and system based on natural language processing and real-time topology simulation, and the method comprises the steps: analyzing a natural language instruction into a structured operation task through a special semantic understanding model in the power dispatching field; based on real-time topology and power flow data of a power grid, an optimal operation sequence is dynamically generated through a generation engine fusing graph search and power flow sensitivity analysis, and real-time simulation and safety early warning are carried out through a dynamic anti-error checking engine; historical operation logs are mined through a reinforcement learning model, and self-evolution of an anti-error rule and a generation strategy is achieved; the system comprises a semantic understanding module, a dynamic generation and error prevention module and a knowledge self-evolution module. The problems that in the prior art, labor is relied on, efficiency is low, and the anti-error capability is static and rigid are solved, and whole-process intelligentization and self-adaption security of operation ticket dispatching are achieved.
Owner:STATE GRID XINJIANG ELECTRIC POWER COMPANY HAMI POWERSUPPLY COMPANY

Error detection apparatus for data encryption

PendingCN122640106APlaintextError checking
The present invention relates to an error detection device for data encryption. The device comprises: an encoding circuit; and an error checking circuit. The encoding circuit is arranged to implement an encryption algorithm, wherein the encryption algorithm comprises a plurality of rounds and in each round a round key is used to encode a plaintext or an intermediate encryption result. The error checking circuit is arranged to predict a redundancy data corresponding to the plaintext or the intermediate encryption result; and to issue an error signal to a processing unit when the intermediate encryption result and the redundancy data do not match at a specified intermediate point in the encryption process. By the above arrangement of the error checking circuit, the error detection can be accomplished by a circuit with less area than the encoding circuit.
Owner:SILICON MOTION INC

A shaver linear motor adaptive control method and system

The application discloses a shaving razor linear motor adaptive control method and system, collects control input data and response data, analyzes envelope attenuation end section associated characteristics, and outputs early warning identification of drift; overshoot phase difference detection is carried out on input and output data, combined with matching of sub-working condition spectrum library to establish error checking matrix; gain rule groups are formed by implementing early phase section priority gain distribution on the error checking matrix according to the early warning identification of drift, and abnormal characteristic points are positioned by multi-working condition phase time difference analysis and deviation overrun judgment; an excitation sequence is obtained by activating the gain rule groups, an amplitude stability index is output by pseudo-convergent oscillation detection and cross-load reverse correlation strength evaluation; a control characteristic atlas is constructed by combining the amplitude stability index and excitation sequence deviation interval characteristics, adaptive control parameters are output by parameter deviation mapping to complete linear motor control parameter configuration, and adaptive configuration of control parameters of the linear motor under variable working conditions is realized.
Owner:WENZHOU LIQIAO ELECTRONICS CO LTD

Astronavigation SOPC system based on Loongson LA132 soft core processor

The invention provides an aerospace SOPC system based on a Loongson LA132 soft core processor, and the system comprises an on-chip system hardware unit which takes the Loongson LA132 soft core processor as a core, carries out the RTL design through a hardware description language, and achieves the configuration, connection and integration of the processor, a memory and peripheral equipment; the Makefile software compiling unit is used for generating a program code suitable for the Loongson LA132 soft core processor and supporting customized software development and deployment; the fault-tolerant unit is used for storing a bit configuration file of the FPGA and a program code of the processor in NOR Flash through a triple redundancy storage technology, performing consistency comparison on the program code through one-out-of-three operation when the system is started, loading a correct program code to the instruction RAM module, and performing error check and correction by adopting RS (12, 8, 4) codes when the processor is accessed; and errors caused by single event upset are prevented.
Owner:NAT SPACE SCI CENT CAS

Calibration method and device for pressure sensor

The application relates to the technical field of pressure sensor calibration, in particular to a pressure sensor calibration method and device. The method comprises the following steps: collecting temperature variation data output by a pressure sensitive element in a pressure sensor under different temperatures and different pressure points, and simultaneously storing analog voltage values corresponding to the temperature variation data; calculating compensation parameters according to the temperature variation data, and inputting the compensation parameters into the pressure sensor; cutting off the connection between the pressure sensitive element and a signal conversion device in the pressure sensor, inputting the analog voltage values into the signal conversion device, and replacing the actual output of the pressure sensitive element to perform error checking; if the checking is qualified, restoring the connection between the pressure sensitive element and the signal conversion device, burning the compensation parameters, and completing the calibration. The application can solve the problems in the prior art, such as that the invariable temperature rechecking is unqualified at different temperature points, the variable temperature rechecking reduces the production efficiency and increases the production cost in the pressure sensor calibration process.
Owner:MT MICROSYST

PCIe device error processing method, device, medium and product

The invention provides a PCIe device error processing method and device, a medium and a product, and relates to the technical field of processors. The method comprises the following steps: configuring a first register of the PCIe equipment to activate an error report enabling configuration bit of the PCIe equipment; simulating a non-support request error of the PCIe device by accessing an address space of the PCIe device; a second register of the PCIe device is checked to determine whether error reporting of the PCIe device is completed. According to the invention, the error test coverage range is expanded.
Owner:SHANGHAI EVEX INFORMATION TECHNOLOGY CO LTD

Adaptive interpolation restoration device and method for automatic driving continuous space-time data transmission

The application discloses an automatic driving continuous space-time data transmission adaptive interpolation restoration device and method, belongs to the automatic driving data transmission and processing technical field, and solves the problems of high bandwidth occupation, insufficient restoration precision, poor scene adaptability and the like of an existing transmission scheme. The device contains six modules of data acquisition, vehicle end edge calculation, adaptive interpolation restoration, error checking and the like. The method is that multiple types of space-time data are collected at the vehicle end, and an identifier is added, dynamic characteristic parameters are extracted to divide low, medium and high dynamic driving scenes, adaptive configuration of start and end point intervals is carried out, and customized data packaging is carried out, data is restored according to a scene matching interpolation algorithm at the cloud end, error checking is carried out through original space-time data cached at the vehicle end, and if a threshold value is exceeded, supplementary transmission is triggered and the start and end point intervals are reduced. The application greatly reduces data transmission quantity and bandwidth occupation, improves restoration precision and data reliability, reduces vehicle end energy consumption, and adapts to real-time data interaction requirements of automatic driving in all working conditions.
Owner:AUTOMOBILE RES INST OF TSINGHUA UNIV IN SUZHOU XIANGCHENG

CXL-based ddr4 / 5 memory expansion controller error checking and correction method

The application discloses a CXL-based DDR4 / 5 memory expansion controller error checking and correction method, comprising the following steps: configuring a CXL protocol in a CPU; reading and writing 64-byte data of a memory by the CPU through a CXL from a memory controller; generating N groups of 8-bit Side-Band ECC according to the front and rear halves of each N burst; and checking and correcting according to error results, so that the application has the opportunity to correct the error, and solves the problem that the existing MC error checking and correction method cannot guarantee accurate error correction when two or more errors occur in each burst.
Owner:PENG TI STORAGE TECH (NANJING) CO LTD

A method and system for testing the performance of high temperature resistant cables

The application relates to the technical field of electric digital data processing, and discloses a high-temperature-resistant cable performance test method and system, which comprises the following steps: synchronously collecting thermal imaging, optical imaging and gas component data streams in a combustion test, and establishing a shared time-space domain for alignment; when the temperature reaches the glass transition temperature of the material, crack and outgassing events are detected within a constrained time window, and the events that pass error checking are paired to form a causal event chain, and then a structured pyrolysis failure fingerprint is generated; the application changes the traditional end-point evaluation mode, which no longer relies on a single static index at the end of the test, but reconstructs and quantifies isolated measurement results in different physical dimensions in the whole combustion process into a dynamic failure process model with internal time sequence and causal correlation, so that the information density and decision value of the test are improved.
Owner:ECHU SPECIAL WIRE & CABLE KUNSHAN CO LTD +1

Double-fed wind turbine generator impedance error checking method and related device

The invention belongs to the technical field of new energy power generation grid-connected modeling and stability analysis, and discloses a doubly-fed wind turbine generator impedance error checking method and a related device. The double-fed wind turbine generator impedance error checking method comprises the following steps: acquiring actually measured impedance data and identification impedance data; the method comprises the following steps: respectively calculating an impedance harmonic peak frequency deviation, a full-band impedance amplitude, a phase average deviation and an average absolute deviation based on acquired actually measured impedance data and identification impedance data, and then acquiring an impedance error checking result based on a comparison result of a calculation result and a preset index error threshold value. According to the technical scheme disclosed by the invention, the precision of the structured model of the doubly-fed wind turbine generator can be quantitatively evaluated, the structured modeling efficiency of the doubly-fed wind turbine generator can be improved, and the improvement of the accuracy of new energy grid-connected system simulation and stability analysis can be further supported.
Owner:CHINA ELECTRIC POWER RESEARCH INSTITUTE CO LTD +2

A method and system for automatically extracting upstream and downstream relationships of monitoring points in a watershed based on GIS spatial topology

ActiveCN121147430BSolve the problem of misjudgment of responsibilityAccuracy has a significant impact2D-image generation3D modellingError checkingMonitoring site
The application discloses a GIS space topology-based automatic extraction method and system for upstream and downstream relations of a monitoring point in a river basin, which comprises the following steps: determining the association between the monitoring point and the river section; constructing a river basin water flow direction network topology according to the association between the monitoring point and the river section; perfecting the tributary information in the river basin water flow direction network topology; processing the perfected river basin water flow direction network topology into a directed graph structure, and extracting the association between the upstream and the downstream in the directed graph structure; generating an interactive topology network graph according to the directed graph structure; storing the interactive topology network graph and checking storage errors; if the storage error checking is passed, the interactive topology network graph is continuously stored normally and used; and if the storage error checking is not passed, the interactive topology network graph is checked and the storage of the interactive topology network graph is re-performed. The application solves the responsibility misjudgment problem caused by the topology loss by inserting a virtual node at a tributary confluence point.
Owner:CHINA NAT ENVIRONMENTAL MONITORING CENT

Field inspection method and error correction method for infrared temperature measurement inspection device of transformer substation

The invention discloses a substation infrared temperature measurement inspection device field inspection method and an error correction method, and relates to the technical field of substation equipment infrared accurate temperature measurement, the inspection method comprises the following steps: respectively dividing the detection distance and the temperature measurement range of a detected infrared temperature measurement inspection device to obtain N + 1 detection distances and M + 1 inspection temperature points; the distance between the black body combination and the detected infrared temperature measurement inspection device is sequentially adjusted to be N + 1 detection distances, and M + 1 detection temperature points are sequentially set; obtaining an inspection temperature measurement result of the black body combination detected by the detected infrared temperature measurement inspection device; carrying out error checking on the checking temperature measurement result, if the error requirement is not met, carrying out error correction through an error correction method, and taking an error correction result as an effective temperature measurement result; the temperature measurement accuracy error of the substation infrared temperature measurement inspection device is determined under different environment conditions and detection distances, error correction is performed according to the environment conditions and the detection distances of the temperature measurement error data, and the temperature measurement accuracy of the device is improved.
Owner:STATE GRID SICHUAN ELECTRIC POWER CORP ELECTRIC POWER RES INST

Acoustic detection method and system for bolt axial force of wind driven generator

The invention provides a sounding method and system for the axial force of a bolt of a wind driven generator, and relates to the technical field of electrical digital data processing, and the method comprises the steps: obtaining an original voiceprint of the bolt; preprocessing the original voiceprint to obtain a denoised voiceprint signal set; performing feature extraction on the denoised voiceprint signal set to obtain a voiceprint feature data set; performing standardization and principal component analysis dimension reduction on the voiceprint feature data set to obtain a standardized feature vector set; a CNN-LSTM fusion prediction model is constructed, and training is executed; inputting the standardized feature vector set into the trained CNN-LSTM fusion prediction model to execute training, and obtaining an axial force prediction value; executing error verification and state judgment; and outputting an error verification result and a state judgment result. The problems that in the prior art, when bolt axial force detection is carried out on a wind driven generator, bolts need to be disassembled, the detection precision is low, and complex working conditions in the operation process cannot be adapted are solved.
Owner:HUNAN UNIV OF SCI & TECH

System crash event based diagnostics of an information handling system

PendingUS20260252428A1Error checkingOperational system
Managing system crash event-based diagnostics of an IHS, including detecting a crash event of an OS of the IHS, and in response: capturing telemetry data of the IHS related to the crash event, including a particular bug check code associated with the crash event; accessing a diagnostic profile associated with the crash event, the diagnostic profile including, for each bug check code of bug check codes, diagnostic tests associated with the bug check code; identifying, from the diagnostic profile, a mapping from the particular bug check code to a particular diagnostic test; automatically executing the particular diagnostic test at a computing device of the IHS that is associated with the particular bug check code; determining whether the diagnostic test was successful at the computing device; determining that the diagnostic test failed at the computing device, and in response, performing, independent of user action, a corrective action at the computing device.
Owner:DELL PROD LP

Special transformer acquisition terminal integrated with error verification function

The invention relates to the technical field of intelligent electric meter data acquisition, and specifically provides a special transformer acquisition terminal integrated with an error verification function. The special transformer acquisition terminal is arranged in a sealed shell and comprises an analog signal conditioning and acquisition module, a high-precision metering and calculating module, a general management and control module, an external electric energy pulse interface module, a dual-channel data communication module, a nonvolatile data storage module and a system power supply module. The technical problems that in the prior art, an independent verification device is introduced for achieving online error monitoring of the electric energy meter, so that system architecture is complicated, wiring is tedious, reliability is reduced, and the installation space is limited are solved. According to the invention, the integrated fusion of the metering verification function and the data acquisition function is realized, the metering error of the electric energy meter can be monitored online in real time without additional equipment, the error discovery period is shortened from several months to the minute level, and the operation and maintenance efficiency and the intelligent level are remarkably improved.
Owner:CHENGDU XINHANG ELECTRIC MEASURING INSTR & METER CO LTD

Data sending method, data receiving method, device and chip

The present application relates to the technical field of optical communications, and provides a data sending method, a data receiving method, a device and a chip. The method is applied to a sending device, and comprises: the sending device mapping data to be sent to data units carrying data, and on the basis of the data units carrying data, generating data units carrying error checking and correction information; and by means of an optical fiber link, sending the data units carrying data and the data units carrying error checking and correction information together to a receiving device. In this way, error checking and correction information is further sent when data is sent, and the error checking and correction information is used for performing error correction on the data; therefore, the reliability of data transmission can be improved.
Owner:HUAWEI TECH CO LTD