86 results about "Reliability assurance" patented technology

The invention discloses an explosion-proof and intrinsic safety type combined feeder switch state monitoring method based on big data, and relates to the technical field of industrial electrical equipment state monitoring and fault diagnosis, and the method is realized based on a three-level architecture constructed by an edge computing node, a region computing node and a cloud platform. Comprising the following steps: S1, collecting multi-source sensing data of a feeder switch in real time by an edge computing node, and performing feature extraction and fusion calculation on the multi-source sensing data; according to the method for monitoring the state of the explosion-proof and intrinsic safety type combined feeder switch based on the big data, the contradiction between the real-time performance and the accuracy in multi-source heterogeneous data fusion processing is effectively solved, abnormity can be found in the first time, early warning can be triggered, and the reliability of a diagnosis conclusion is improved; and the accuracy and foresight of fault diagnosis are ensured. According to the grading processing mechanism, computing resources are reasonably distributed, the network transmission load is greatly reduced, and the system can stably operate in a complex industrial environment.

The application belongs to the technical field of temperature measurement, and particularly relates to a gear box temperature measuring device and a temperature measuring method. The infrared temperature sensor and the thermal resistance temperature sensor are integrated to be arranged, so that the installation of two temperature sensors on the gear box can be completed at one time, and the mounting and maintenance efficiency of the temperature measuring device is improved. The thermal resistance temperature sensor and the infrared temperature sensor are used to measure the oil temperature in the gear box, so that the reliability of the gear box temperature monitoring operation is improved, and the safe operation of the internal components of the gear box is ensured. The magnetic sleeve is arranged to be quickly adsorbed and installed in the accommodating hole of the gear box. The upper pipe section and the magnetic sleeve are arranged as a threaded connection structure to realize the sealed connection of the two, the length of the sealed section of the whole temperature measuring device is prolonged, and the probability of leakage of the oil in the gear box after seeping out through the gap between the lower pipe section and the threaded hole of the lower pipe section is reduced.

The application provides a kind of virtual marshalling under global optimization curve test method, device, equipment and medium, it is related to rail transit technical field, the method comprises: extracting the third speed information corresponding to the car after marshalling from the first speed information, extracting the fourth speed information corresponding to the car after marshalling from the second speed information;According to fourth speed information and third speed information, determine the speed difference mean of the car after marshalling;According to the speed difference mean and preset speed, output the test result of virtual marshalling train global optimization curve.The application combines the speed corresponding to different time when virtual marshalling train runs according to preset recommended speed and the preset limit speed corresponding to different time to prevent virtual marshalling train from triggering emergency brake, realizes accurate verification to marshalling train running global optimization curve, has higher real-time and accuracy, improves the test efficiency and reliability of virtual marshalling, guarantees the operation safety of virtual marshalling train.

The present disclosure provides a reliability assurance method and a related apparatus. A receiving end device (watchdog) detects a continuous packet loss state, and sends the continuous packet loss state to an access network device, so that the access network device adjusts differentiated scheduling and a reliability assurance policy based on the continuous packet loss state.

The invention provides a monitoring method of an optical module, the optical module and an optical communication device, which are used for improving the universality of log records of the optical module. The method comprises the steps that an optical module receives first information from first equipment, the first information is used for indicating current time determined by the first equipment, the optical module is inserted in an interface of the first equipment, and the first equipment is any one of a wavelength division single board, an optical switch or a router; the optical module records a first log according to the first information. The current time is sent to the optical module by using the parent equipment of the optical module, so that the time of the optical module is synchronized with that of the outside, the universality of log recording of the optical module is improved, and logs of the optical module can be effectively used for operating data analysis, long-term reliability guarantee, rapid problem delimitation, early warning and the like.

The utility model relates to the field of household appliances, and discloses an installation structure, a spraying assembly and a dish washing machine. The installation structure is greatly simplified, the installation operation difficulty is small, the strength and reliability of the spraying arm structure can be improved, and the operation stability of the nozzle assembly is guaranteed. The mounting structure is applied to the spraying assembly, the spraying assembly comprises a spraying support and a spraying arm, the spraying support is provided with an assembly seat, the spraying arm is provided with an assembly hole, the assembly seat is rotationally assembled with the assembly hole through the mounting structure, the mounting structure comprises a guide structure and a limiting structure, the guide structure is arranged on the assembly seat and the assembly hole, and the limiting structure is arranged on the guide structure. The assembly seat is in inclined rotary butt joint with the assembly hole through a guide structure; the limiting structure is arranged on the assembling base and the assembling hole, and after the assembling base and the assembling hole are in rotary butt joint, the assembling base and the assembling hole are limited in the first direction through the limiting structure.

This invention relates to the field of early warning and risk state prediction technology for battery safety, and particularly to an attention-based multi-type feature-driven method for predicting early thermal runaway of marine power batteries. The invention establishes an attention-based multi-type feature-driven method for predicting early thermal runaway of marine power batteries through feature extraction methods and network structure design. This method is based on multiple types of signals and designs a comprehensive feature extraction scheme spanning the time and frequency domains. Secondly, it constructs a variational autoencoder network architecture with an attention feature fusion mechanism, embedding a self-attention mechanism into a traditional variational autoencoder network for multi-type feature fusion, and combining a cluster partitioning method to construct a multi-expert decoder and auxiliary decoder structure to achieve differentiated reconstruction under heterogeneous operating conditions. This solution improves the safety and reliability of the battery system and ensures long-term stable operation.

The utility model provides a wiring fixing device. The wiring fixing device comprises a pipe clamp device; the wire fixing device is rotatably arranged on the pipe clamping device; the locking structure is arranged between the pipe clamping device and the wire fixing device, and the pipe clamping device and the wire fixing device can be mutually locked through the locking structure. According to the wiring fixing device provided by the utility model, the wiring fixing device is used for connecting the wiring, and the pipe clamping device is used for connecting the pipeline at the set position, so that the purpose of quickly fixing the wiring at the set position is realized, quick assembly can be realized, and the wiring fixing device can also be matched with various straight pipes and bent pipes in position; according to the wiring fixing device, the wiring fixing range and the fixing reliability are improved, the wiring consistency of the air conditioner is guaranteed, the assembling efficiency and the product quality are improved, the wiring fixing device can be repeatedly used, and the production cost and the maintenance cost are reduced.

The invention belongs to the field of aircraft control surface servo control strategies, and particularly relates to a flight control actuator pressure supply system switching control method. The method comprises the following steps: determining flight control actuator pressure supply system switching control logics, including hydraulic switching judgment conditions, control cross-linking logics of an electromechanical computer and a flight control computer, communication cross-linking logics of the electromechanical computer and the flight control computer, flight control actuator hydraulic switching protection logics and a flight control actuator hydraulic switching signal algorithm; and realizing flight control actuator pressure supply system switching control based on the flight control actuator pressure supply system switching control logic. The flight control actuator pressure supply system switching control method can be used for flight control servo control and protection of a flight control actuator with a dual pressure supply system switching function, the safety and reliability of an aircraft flight control servo actuation system are improved, and the flight safety and stable landing of an aircraft are guaranteed.

The application discloses a kind of business compliance management evidence-based methods and system for financial and tax business system, it is related to the original single certificate of financial and tax business, report, audit, voucher generation, accounting, tax declaration and other activities, to ensure the authenticity, accuracy and compliance of financial activities, to trace and verify the reasonableness and reliability of financial data, guarantee the integrity and traceability of financial information, and prevent and find any potential financial risks and fraudulent behavior, the initiation, execution and approval of financial activities and other links.The initiator of financial activities should submit relevant vouchers and materials to ensure the accuracy and integrity of financial data.The approval link should be clear about responsibilities and authorities to ensure the compliance and standardization of financial activities.The method realizes the whole tracking and recording of business operation by using the distributed, tamper-proof and other characteristics of blockchain, ensures the authenticity and integrity of business traces.

The invention belongs to the field of flight control design, and particularly relates to a fault protection strategy of a rotary flight control actuation system. Comprising the following steps: acquiring fault monitoring and protection strategies including a control surface over-travel fault monitoring and protection strategy, a two-side control surface asymmetric fault monitoring and protection strategy, a single-side control surface inner and outer side over-torque fault monitoring and protection strategy and a sensor fault monitoring and protection strategy; and realizing fault protection based on fault monitoring and protection strategies. The invention provides a fault monitoring and protection function design of a plurality of typical rotary flight control actuation system fault modes, and the flight control computer monitors the typical faults of the rotary flight control actuation system and controls the flight control actuation system to execute corresponding protection measures. The safety and reliability of the aircraft flight control actuation system in the fault mode are improved, and the flight safety of an aircraft is ensured.

The utility model discloses an action connecting mechanism, it includes a pair of action components and bottom shell, a pair of action components installs on the both sides of bottom shell separately. Action component includes pin shaft, button and elastic part, button is hinged to bottom shell through pin shaft, and button top is equipped with the insertion bone part, and elastic part is covered in pin shaft outside, and elastic part provides reset elastic force for button, makes button restore to initial state. The action connecting mechanism cooperates through structure, when inserting equipment main part, first through bottom shell to equipment main part has a preliminary direction, when equipment main part inserts to the bottom, and the insertion bone part of left and right sides cooperates with the cooperation of the card slot on equipment main part, and equipment main part is buckled firmly, realizes fixed. When taking out, just need to press the button of both sides to take out equipment main part. The action connecting mechanism can effectively improve the fixed reliability of structure, guarantees equipment main part to be not taken off when receiving external force in the connecting process.

This invention discloses a dynamic memory scheduling method and apparatus for an industrial control terminal collaborative response system. The method includes creating a free linked list block based on the memory space status of the industrial control terminal collaborative response system; when a process requests memory space, allocating a free memory block to the process using a pre-set algorithm; when a free memory block is allocated to the requesting process, tracking ownership of the code segment, data segment, and stack segment; and when the process finishes running, releasing the memory and reclaiming ownership of the memory address space occupied by the process. This method, based on the ownership mechanism and type-safe language features of the system programming language Rust, designs a memory storage manager, achieving performance and reliability assurance for dynamic memory scheduling, and improving the overall operating performance and security of the industrial control terminal collaborative response system.

This invention discloses a multi-technology combined measurement method for ultra-long undersea twin-tunnel railway tunnels and service tunnels, including GNSS measurement outside the tunnels, traverse measurement considering vertical deviation correction, coordinate transfer measurement from free stations in deep shafts, and combined measurement of free stations, intersecting double traverses, and gyro-orientation inside the tunnels. Where the undersea tunnels are relatively short at the connecting points of the cross tunnels, a denser stationing method is used for direction and distance transfer. Combined traverses are used inside the tunnels to enhance azimuth accuracy with gyro-orientation measurement. This invention leverages the advantages of GNSS and total stations, improving the efficiency of deep shaft measurement in long tunnels and enhancing the accuracy of coordinate transfer in deep shafts. Furthermore, the denser stationing method used inside the cross tunnels for direction and distance transfer, along with closed-loop networking between different cross tunnels, improves the reliability of tunnel plane control measurement accuracy and ensures complete consistency of the coordinate systems of the left and right tunnels and the service tunnel.

The invention provides a voltage sag evaluation method and device. The voltage sag depth of the electric equipment is considered, the accuracy of the voltage sag can be improved, the power supply interruption risk can be reduced to the maximum extent, and a guarantee is provided for reliable and safe operation of the electric equipment. In the process of calculating the voltage sag depth of the electric equipment, the power grid coupling factor, the influence factor of the new energy equipment and / or the energy storage equipment and the comprehensive exposure index of the electric equipment are considered, the propagation and evolution process of the voltage sag in the power grid can be dynamically reflected, and the accuracy and reliability of evaluation are further improved. And normal operation of electric equipment is ensured. According to the invention, the grading evaluation of the voltage sag is realized by setting different risk thresholds, differentiated protection strategies can be provided for different power supply areas and different electric devices, and the emergency response capability of the power supply areas and the electric devices can be improved.

The invention relates to the technical field of computing power networks and distributed computing, and provides a dynamic slicing and intelligent decision-making-based computing power network efficient data transmission method, which comprises the following steps of: performing main node election by adopting a Raf consensus algorithm; based on a dynamic slicing mechanism, the main node collects key information of the distributed computing power network; judging whether a re-slicing operation needs to be executed or not according to the key information by adopting a deep reinforcement learning algorithm; adopting a data transmission method based on dynamic slicing to carry out distributed storage transmission and slicing recombination of data in a computing power network environment; based on a deep reinforcement learning algorithm, a slicing strategy is optimized through experience playback and continuous training. According to the method, a main node election and deep reinforcement learning decision mechanism is adopted, dynamic optimization of the data slice size and the transmission path is achieved, the efficiency and reliability of large-scale data transmission in the computing power network are effectively improved, and the self-adaptability and stability under the conditions of network fluctuation and node failure are guaranteed.

The application belongs to the technical field of power dispatching management, and provides a power dispatching system based on a cloud platform, in order to solve the problem of low technical accuracy of power dispatching in traditional technologies, the system provides global and high-credibility decision basis for abnormal identification by fusing five layers of data of physical entities, control execution, model algorithms, business management and system operation and maintenance based on the cloud platform; through the layered diagnosis logic of 'wisdom first, then physics', the reliability of data and models is verified first, ensuring the accuracy of subsequent decision input; after confirming the abnormality of the physical system, the digital twin model is used for hypothesis simulation and abnormal propagation chain construction, realizing accurate positioning from abnormal appearance to physical root cause equipment; finally, alarm information is generated based on the traceability result, which can significantly improve the accuracy and reliability of abnormal monitoring of the power dispatching system, and ensure the accuracy and efficiency, intelligence and automation of power supply dispatching and control.

This invention belongs to the field of cavitation state prediction technology, specifically providing a method and system for predicting cavitation evolution based on multimodal information fusion. The method includes: acquiring multimodal signals of the workpiece under test in a cavitation environment and constructing cavitation state labels; performing modal-specific preprocessing and time synchronization on the multimodal signals to construct a global fusion feature set for cavitation evolution state identification; constructing a cavitation evolution state identification model; predicting the cavitation state of the target workpiece's multimodal signals to obtain the cavitation state level; and constructing a causal relationship between cavitation collapse behavior and material damage response based on the cavitation state level combined with cross-modal cavitation event correlation analysis results, thereby completing a comprehensive assessment. The multimodal information fusion method provided by this invention significantly improves the comprehensiveness, early detection, accuracy, and mechanistic interpretability of cavitation monitoring, and has outstanding practical value for promoting intelligent operation and maintenance and reliability assurance of hydraulic equipment.

The utility model relates to the technical field of battery cells, and discloses a CCS integrated assembly and a battery pack, the CCS integrated assembly comprises a substrate and a conductive busbar, the substrate is provided with a busbar fixing position and an avoidance hole for a pressure acquisition module to pass through, one side, close to the avoidance hole, of the busbar fixing position is provided with a retaining wall, and the conductive busbar is arranged on the retaining wall. The busbar fixing position and the avoiding hole are isolated; a wire passing area used for containing a wire harness is formed between the busbar fixing position and the receding hole, the blocking wall is provided with a first opening communicated with the wire passing area, and the first opening and the receding hole are arranged in a staggered mode. The conductive busbar is installed at the busbar fixing position. According to the CCS integrated assembly, the reliability of the CCS integrated assembly is improved by optimizing the structures between the busbar fixing positions and the avoiding holes. The receding hole provides a receding space for the pressure acquisition module and is separated from the conductive busbar by the retaining wall. And the first opening and the avoidance hole are arranged in a staggered manner, so that the reliability of the CCS integrated assembly and the pressure acquisition module is further improved, and the safety of the battery cell is ensured.

The application relates to a firefighter emergency self-rescue device with adjustable descending speed and relates to the technical field of emergency rescue devices for fire fighting. The device comprises a self-rescue rope, a self-rescue shell, an adjusting piece and an O-shaped lock. The self-rescue shell is arranged on the self-rescue rope, the self-rescue shell is provided with a penetrating through hole, the self-rescue rope is bent, and the bent part of the self-rescue rope penetrates through the penetrating through hole. The adjusting piece is rotatably arranged on the self-rescue shell, and one end of the self-rescue rope is wound on the adjusting piece. The self-rescue rope is arranged on the O-shaped lock. Before descending, the firefighter can select the number of turns of the self-rescue rope wound on the adjusting piece, adjust the friction between the self-rescue rope and the adjusting piece, control the descending speed of the firefighter using the firefighter emergency self-rescue device with adjustable descending speed, improve the adaptability and overall reliability of the application, ensure the safety of the firefighter, and solve the problems that the existing firefighter emergency self-rescue device cannot adjust the descending speed and has low reliability.

The embodiment of the application provides a method, device and system for releasing F1 connection, the method is used for IAB node, the method comprises the following steps: receiving a first message from a source IAB host node, the first message is used for indicating that the centralized unit CU of the IAB host node connected with the IAB node changes; according to the first message, the F1 connection between the CU of the source IAB host node is released. Therefore, the IAB node in the application can release the F1 connection in time under the indication of the source IAB host, avoid the resource waste caused by not releasing the F1 connection in time, or release the F1 connection too early, but the new F1 connection has not been established, leading to the terminal service interruption, improve the reliability of releasing the F1 connection, and ensure the IAB communication performance.

The invention provides an authority management method and system for a vacuum packaging machine, and the method comprises the steps: obtaining and verifying the identity information of an operator, and allowing the login and use of the vacuum packaging machine when the identity information is matched with the pre-stored account information; according to the authority level corresponding to the identity information, corresponding operation interfaces are displayed, the operation range is limited, and the operation interfaces comprise the first operation interface, the second operation interface and the third operation interface; and controlling the vacuum packaging machine to execute a corresponding program according to the corresponding operation of the operator on the operation interface. According to the technical scheme, by locking parameters and executing authority management in a graded mode, standardized operation can be guaranteed, management efficiency can be improved, industrial accidents or equipment damage possibly caused by misoperation can be prevented, and production safety is guaranteed. In addition, only an operator with specific authority can set parameters, the consistency and reliability of the packaging effect can be ensured, and the product quality is ensured.

The application discloses a task authentication and scheduling method, a task scheduler and a storage medium, relates to the technical field of distributed systems, and realizes identity authentication on an authentication request through container group configuration in the task scheduler. Each container group can flexibly configure resource quotas according to actual needs, maximally avoids unreasonable resource allocation, and has strong expansion capability. Each container group is independent of each other and redundant to each other, avoids single-point dependence of authentication services, improves the reliability of the whole authentication and task scheduling process, guarantees the fault tolerance of the task scheduler, and meanwhile, each container group can adopt different authentication strategies for identity authentication, so that the scheduler can effectively adapt to various types of authentication requests existing in a multi-data center scenario, realizes unified identity management and cross-cluster resource collaborative scheduling, improves authentication efficiency, and realizes more fine-granularity authorization based on request attributes during task scheduling execution, and further improves the security of the authentication and scheduling process.

This invention discloses a physical-attention fusion prediction method for micro-disturbance impact failure of vehicle ECUs, comprising: 1. Based on the operating conditions of the vehicle ECU, real-time determination of transient impact events is achieved through temperature, humidity, and instantaneous vibration impact intensity; the impact energy index and cumulative damage index are calculated; and a physical quantification model of micro-disturbance cumulative damage and transient impact is established; 2. In the prediction stage, the encoder hidden state is weighted and modulated using physical perception attention weights, combined with a threshold control screening attention mechanism, to realize the context vector calculation of physical-data dual-channel residual fusion; 3. Based on the synchronous output of a multi-task classification head, the failure type probability prediction of each key subsystem of the vehicle ECU at future time steps is predicted, and a dynamic weighted joint loss function is used to optimize model training. This invention can solve the problem of decreased prediction accuracy of traditional data-driven models under complex operating conditions and small sample conditions, providing support for the reliability assurance of vehicle ECUs.

This disclosure relates to the field of semiconductor technology, providing a memory and its operating method to mitigate the damage caused by row hammer attacks. The memory includes a memory array and a control circuit. The control circuit is configured to, upon meeting preset conditions, respond to a command address signal and a mode control signal to enter a first mode, whereby it begins updating the count memory cell corresponding to the active word line at a first moment, and begins pre-charging the active word line at a second moment, using the count data as the count value for row hammer refresh; or, upon not meeting preset conditions, respond to the command address signal and the mode control signal to enter a second mode, whereby it does not perform an update operation on the count memory cell corresponding to the active word line, and begins pre-charging the active word line at a second moment, using the activation count value of the active word line in a dynamic lookup table as the count value for row hammer refresh. This achieves a balance between flexible configuration and reliability assurance, mitigating the damage caused by row hammer attacks.

The application relates to a jacquard assembly moving iron hitting test equipment, characterized by comprising an equipment frame, an assembly test mechanism and a motor driving mechanism; the assembly test mechanism comprises a jacquard assembly, the jacquard assembly comprises a bottom plate, a face plate, an electromagnet, a spring, a moving iron and a vertical hook quick connection assembly, the vertical hook quick connection assembly comprises a vertical hook quick connection, a hook and a tension spring; the vertical hook quick connection is connected with the tension spring via the hook, and the lower end of the tension spring is connected to a spring fixed sliding table; the motor driving mechanism drives the vertical hook quick connection on the vertical hook quick connection assembly to make up-and-down reciprocating motion, and then triggers the moving iron above the vertical hook quick connection to make contact with the electromagnet and hit the electromagnet. Through the design of the test mechanism, the stability and reliability of the jacquard assembly are realized, and the accuracy of the experiment is ensured.

The utility model relates to the technical field of advanced repair of high-speed rail bogies, in particular to a man-machine cooperation device in an advanced repair scene of high-speed rail bogies, which comprises an in-factory and out-factory management system, an information display screen and a camera, and the information display screen and the camera are both in communication connection with the in-factory and out-factory management system. The camera is arranged in a high-speed rail bogie advanced repair plant area; the information display screen is arranged in the high-speed rail bogie advanced repair plant area, information of personnel entering and leaving the factory and information of inspection robots entering and leaving the factory are displayed, the management difficulty of management personnel can be reduced, personnel not leaving the factory or the inspection robots can visually check through the information display screen, manual comparison is avoided, waiting time is shortened, and the efficiency of maintenance is improved. Therefore, the operation efficiency of high-grade repair of the bogie is improved; and the problems of missing recording, misrecording and wrong recording caused by manual registration can be avoided, the management reliability of the personnel not leaving the factory and the inspection robot is improved, the man-machine separated operation environment is ensured, and the operation is safe and reliable.

The utility model discloses a kind of heating pipeline exhaust pressure relief safety device, it is related to heating system technical field, including heating pipeline and the water storage tank being set on heating pipeline, the water inlet and water outlet of water storage tank are communicated with heating pipeline respectively, form the water inlet line and water outlet line of water storage tank;Water outlet line is provided with electromagnetic relief valve;The side of water storage tank is communicated with communication casing, pressure transmitter is installed in communication casing, for detecting the pressure of heating pipeline;It further includes controller, controller is connected with pressure transmitter and electromagnetic relief valve respectively, for receiving the signal of pressure transmitter and controlling the opening and closing of electromagnetic relief valve;The utility model detects heating pipeline pressure in real time by pressure transmitter, and sets controller to control electromagnetic relief valve, can automatically open relief valve to carry out pressure relief by controller when pressure transmitter displays pressure anomaly, effectively improve the safety and reliability of heating system, ensure that heating system runs stably.

The invention discloses a heat shield riveting fixing structure and a mounting method thereof, the structure comprises a rivet, a heat shield, a gasket and an adjusting sheet, the heat shield is arranged on one side of the adjusting sheet, the gasket is arranged between the heat shield and the adjusting sheet, and the rivet sequentially penetrates through the heat shield and the gasket and then is connected with the adjusting sheet. By means of the structure, the riveting reliability of the rivet can be improved, it is guaranteed that certain high-temperature deformation is released in a reserved gap of the fixing portion of the heat shield, and the situation that local high-temperature gas leaks into a spray pipe adjusting piece and a heat shield interlayer due to large-area stress concentration, large deformation and crack chipping of the heat shield is avoided; the completeness of a cooling flow path at the adjustable nozzle adjusting sheet part is kept, and the use reliability of the adjustable nozzle adjusting sheet of the engine is ensured.