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173 results about "Reliability assurance" patented technology

High-speed serial communication system protocol adaptation layer circuit oriented to interconnection between core particles and working method

According to the high-speed serial communication system protocol adaptation layer circuit oriented to interconnection between the core particles and the working method, the circuit serves as a bridging layer between an AXI-S bus and a SerDes physical coding sub-layer, and the problems of reliability and flow control in high-speed data transmission between the core particles are solved. The circuit adopts a modular design idea and comprises a transmitter and a receiver. In the aspect of data packet design, a first packet special processing mechanism is adopted, and an event serial number and target address information are only transmitted in a first packet, so that the bit utilization rate is improved. In the flow control design, a credit-based flow control mechanism is adopted, and the data transmission reliability is guaranteed through a special flow control packet. In addition, the system has a point-to-point retransmission function, data packets which fail in transmission are indexed and retransmitted, and successful data transmission is guaranteed within the configured retransmission times. According to the invention, an efficient and reliable protocol adaptation layer circuit solution is provided for high-speed interconnection requirements in core particle design.
Owner:58TH RES INST OF CETC

Explosion-proof and intrinsic safety type combined feeder switch state monitoring method based on big data

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.
Owner:HUNAN CHUANGAN EXPLOSION PROOF ELECTRIC APPLIANCE CO LTD

Remote intelligent control system of mine unmanned equipment

The invention discloses a remote intelligent control system for mine unmanned equipment, and particularly relates to the technical field of mine unmanned equipment, and the remote intelligent control system comprises an environment sensing modeling module which is used for collecting and processing mine environment data in real time to construct an accurate three-dimensional environment model. Mine environment data are collected and processed in real time through the environment sensing modeling module, an accurate three-dimensional environment model is constructed, basic data support is provided for intelligent decision making, an optimal decision making scheme is made based on environment information and task requirements through the intelligent decision making control module, intelligent operation is achieved, and the intelligent decision making efficiency is improved. A man-machine interaction interface is provided through the remote interaction monitoring module, remote real-time monitoring and operation are achieved, it is ensured that operators can intervene in time, and stable operation and emergency processing capacity of the system under various working conditions are ensured through multiple safety and redundancy design of the safety and reliability guarantee module.
Owner:JIANGSU LONGYU INTERNET OF THINGS TECHNOLOGY CO LTD

Intelligent detection system and method for air quality in medical refrigerator box body

The invention relates to the technical field of medical equipment, and discloses an intelligent detection system and method for the internal air quality of a medical refrigerator box body, the system comprises a data acquisition module, a data processing module and a detection execution module, when the internal air quality of a refrigerator is detected in real time, a dynamic and static parameter collaborative acquisition mechanism is established; dynamic detection references are set for different storage article types, monitoring pertinence of various medical article storage environments is guaranteed, meanwhile, data streams of a static sensor and a dynamic sensor are integrated and calibrated in real time, the problem of data fusion distortion caused by sampling frequency differences of the sensors can be synchronously reduced, and the accuracy of data fusion is improved. Detection deviation of temperature, humidity and pollutant concentration is avoided, accuracy and reliability of monitoring of the refrigerated medicine storage environment are improved, it is guaranteed that the detection logic and parameter characteristics are always kept in the optimal matching relation, and the misjudgment risk caused by algorithm stiffness is reduced.
Owner:HONGTAI ELECTRIC APPLIANCES LAIZHOU CITY

A method and apparatus for drone trajectory planning for edge data recovery

This invention discloses a drone trajectory planning method and apparatus for edge data retrieval, relating to the navigation field, to improve the reliability of data retrieval tasks while ensuring data retrieval efficiency. The invention obtains edge node information for all target edge nodes; acquires basic drone parameters and initial state information, thereby obtaining the drone's unit energy consumption; calculates the drone's flight energy consumption between each pair of nodes, constructing an edge node geographic information model; then iterates through the following steps until all edge nodes have been visited, obtaining the drone's flight trajectory: based on the edge node geographic information model and the drone's state information, a greedy strategy is used to plan the access trajectory corresponding to the maximum number of visited nodes; the drone visits nodes sequentially along this access trajectory and updates its state information. This invention can effectively improve the reliability of data retrieval, ensuring both data retrieval efficiency and energy efficiency of the system.
Owner:ZHEJIANG UNIV +1

Automatic production line for new energy automobile controller

The invention discloses an automatic production line of a new energy automobile controller, and relates to the technical field of intelligent processing of new energy automobile parts, and the automatic production line of the new energy automobile controller eliminates the interval time of traditional manual carrying, positioning and detection through seamless connection of 24 procedures from OP010 (PCBA automatic feeding) to OP240 (automatic boxing), and improves the production efficiency. Full-process intelligent production is realized, full-process automatic operation from circuit board detection, program burning, protective coating to complete machine assembly is realized, and the production efficiency and the product consistency are remarkably improved; precise interception of defects is ensured through AOI optical detection, ICT / FCT multi-level testing and AI appearance inspection, the manual misjudgment rate is reduced, reliability guarantee is enhanced by combining automatic aging testing and air tightness verification, the flexible production line design adapts to the production requirements of various controllers, and a high-stability manufacturing basis is provided for industrial large-scale development while the labor cost is reduced.
Owner:DONGGUAN GUANJIA ELECTRONICS EQUIP CO LTD

Gearbox temperature measuring device and temperature measuring method

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.
Owner:CHINA ERZHONG GRP DEYANG HEAVY IND

Method for using a formation fluid sampling device

The application discloses a kind of formation fluid sampling device's use method, solve the technical problem that manual control valve cannot detect, sampling success rate is difficult to guarantee.The formation fluid sampling device includes sample cylinder body, energy storage mechanism, sampling connector, sampling channel, sampling interface and manual control valve, further includes: inspection port, is set on sampling connector, and with sampling channel communication;Inspection plug, is screw-connected in inspection port;Pressure relief port, is set on sampling connector, and with sampling channel communication;Pressure relief valve, is screw-connected in pressure relief port;First check valve, is set in sampling channel, and is located between sampling interface and pressure relief valve, manual control valve is between inspection port and pressure relief port.The application can realize the detection of manual control valve, also can prevent sample liquid from flowing out of sampling device, improve the use reliability of sampling device, guarantee sampling success rate.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Safety interlocking system and railway vehicle

PCT designated stageWO2025200397A1LocomotivesSafety InterlockOperation safety
A safety interlocking system and a railway vehicle. The safety interlocking system comprises: a starting switch, a circuit breaker provided with a coil and a contact, and a hydrogenation device, wherein the contact of the circuit breaker is in a normally-closed state when the coil is not electrified; thus, when the starting switch is in a closed state, the coil in the circuit breaker is electrified, and the normally-closed contact is converted into a disconnected state; at the moment, it is ensured that the hydrogenation device does not execute a hydrogenation operation on the railway vehicle when the starting switch is not completely closed; and at the moment, the reliability of determining that a power supply of the railway vehicle is completely disconnected is improved by means of the provided circuit breaker, ensuring the operation safety.
Owner:ZHUZHOU ELECTRIC LOCOMOTIVE CO LTD

Adjustable flow control device of barrel type economizer

The utility model relates to the related technical field of barrel type economizers, in particular to an adjustable flow control device of a barrel type economizer, which comprises a flow control device, an adjusting mechanism and a sealing mechanism are arranged in the flow control device, the flow control device comprises a pipeline, a display and a detector, and the pipeline is connected with the display and the detector. A display is arranged at one end of the pipeline, and a detector is arranged at one end of the pipeline. According to the adjustable flow control device of the barrel type economizer, through the arrangement of the first valve, the ball valve, the second valve and the flow adjusting plate and the rotary structural design of the first valve and the ball valve, flow adjustment is more flexible and convenient, the size of the flow adjusting plate is matched with the inner wall of the ball valve, the smoothness of fluid passing is guaranteed, fluid resistance is reduced, and the service life of the flow adjusting plate is prolonged. And due to the arrangement of the second valve, the accuracy and reliability of flow control are further improved, the simplicity and convenience of operation are ensured, and the stability and efficiency of the system are improved.
Owner:JIANGSU MAVEN TECH CO LTD

Stacking and conveying device for three-dimensional drying and curing oven

A stacking and conveying device for a three-dimensional drying and curing oven relates to the technical field of drying and curing ovens and comprises an oven body, a tray conveying and clamping device B and a workpiece tray, an intermediate plate E is fixed on a bottom plate of the oven body, and a stacking left-right limiting lifting device A2, a transition section jacking device G and a jacking device A1 are mounted on the intermediate plate E respectively. The stacking and conveying device for the three-dimensional drying and curing furnace is compact in overall structure, small in size, easy to manufacture and convenient to operate, a heating furnace can be expanded in the width direction, the application range of the furnace in the market is greatly expanded, conveying of the stacking and conveying device is driven in a stepping mode, a material disc set of the stacking and conveying device can be clamped and limited by a fence, and the stacking and conveying efficiency is improved. Therefore, the tray set cannot slip during conveying, accuracy and reliability of the conveying position are guaranteed, it is guaranteed that subsequent tray set stacking work can be smoothly carried out, the tray lifting mechanism adopts a chain transmission driving mechanism, heat resistance, driving quality and working efficiency of the tray lifting mechanism are greatly improved, and the tray lifting mechanism is suitable for large-scale popularization and application. Compared with stacking, conveying, lifting and discharging operations in the prior art, the working reliability, the conveying position precision and the working efficiency of the stacking and conveying device are remarkably improved.
Owner:LUOYANG TENGJIE FURNACE IND CO LTD

Test method, device and equipment for globally optimizing curve under virtual marshalling and medium

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.
Owner:TRAFFIC CONTROL TECH CO LTD

Portable cleaning machine

The invention relates to the technical field of high-pressure cleaning machines, in particular to a portable cleaning machine which not only has a basic high-pressure water cleaning function, but also can be conveniently moved at different places through the design of moving wheels and a handle, and a machine body of the cleaning machine can be detached, so that the cleaning machine is convenient to use. And the machine body can work at different heights. In addition, through the matched design of the fixing frame, the bearing rod and the bearing plate, the stability of the machine body on the frame body is ensured, and the risks of shaking and falling off in the transportation process are effectively prevented. And through the arrangement of the locking columns and the locking grooves, the fixing reliability is further enhanced, and the stability and safety of the cleaning machine in the working state are guaranteed.
Owner:ZHEJIANG BOGAO MECHANICAL & ELECTRICAL TECH CO LTD

Reliability assurance method and related apparatus

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.
Owner:HUAWEI TECH CO LTD

Monitoring method of optical module, optical module and optical communication device

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.
Owner:HUAWEI TECH CO LTD

Mounting structure, spraying assembly and dish washing machine

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.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Battery early thermal runaway prediction method based on attention multi-type feature driving

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.
Owner:烟台哈尔滨工程大学研究院

Wiring fixing device and air conditioner

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.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Flight control actuator pressure supply system switching control method

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.
Owner:SHENYANG AIRCRAFT DESIGN INST AVIATION IND CORP OF CHINA

A business compliance management evidence-based method and system for a finance and tax business system

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.
Owner:ZHEJIANG ZHEKE INFORMATION TECH CO LTD

Fault protection strategy for rotary flight control actuation system

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.
Owner:SHENYANG AIRCRAFT DESIGN INST AVIATION IND CORP OF CHINA

action connecting mechanism

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.
Owner:HYTERA COMM CORP

Method and device for correcting current loop bandwidth, electronic equipment and medium

The present disclosure relates to a current loop bandwidth correction method and device, electronic equipment and medium, the method comprising: obtaining the high-pressure side pressure of the refrigerant system at the current time, and obtaining the outer ring temperature of the compressor at the current time; in response to the outer ring temperature being greater than or equal to a preset outer ring temperature threshold, determining the load state of the compressor at the current time according to the high-pressure side pressure; and correcting the current loop bandwidth of the compressor at the current time according to the load state. Thus, the load state of the compressor is determined according to the outer ring temperature and the high-pressure side pressure of the refrigerant system, and the current loop bandwidth of the compressor is corrected according to the load state, so that the current loop bandwidth adapts to the operating state of the compressor, precise control of the current loop bandwidth is achieved, the reliability of the compressor operation is improved, and the operating effect is ensured.
Owner:XIAOMI TECH (WUHAN) CO LTD +1

A method and apparatus for dynamic memory scheduling in an industrial control terminal collaborative response system

ActiveCN115599553BMemory addressData segment
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.
Owner:STATE GRID LIAONING ELECTRIC POWER CO LTD +1

Multi-technology joint measurement method for ultra-long undersea twin-tunnel railway tunnel plus service tunnel

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.
Owner:CHINA RAILWAY DESIGN GRP CO LTD

P-gear key state identification method and device, medium and vehicle

The invention relates to a P-gear key state recognition method and device, a medium and a vehicle. The P-gear key state identification method comprises the following steps: acquiring loop voltage of each key signal loop in multiple key signal loops of a P-gear key; determining the loop state of each key signal loop based on the comparison between the loop voltage and the voltage threshold range; the voltage threshold range is used for dividing loop states, and the loop states are used for representing on-off conditions or abnormal conditions of the key signal loop; a target loop state is determined based on the loop states and the correlation degree of the loop states and the P-gear key state, the target loop state is the loop state with the maximum correlation degree with the P-gear key state in the loop states, and the correlation degree reflects the judgment reference of the P-gear key state; and setting the P-gear key state matched with the target loop state as the current P-gear key state. According to the technical scheme, the state of the P-gear key can be accurately recognized, the use reliability of the P-gear key is improved, and driving and personal safety is guaranteed.
Owner:SHANGHAI LIXIANG AUTOMOBILE CO LTD

Fabricated temporary pavement structure

The utility model relates to the technical field of pavement assembly, in particular to an assembly type temporary pavement structure which comprises a pavement base body, a splicing seat arranged on one side of the pavement base body, a splicing head arranged on the other side of the pavement base body and a reinforcing inserting rod arranged at the bottom of the pavement base body. An inserting rod is arranged at the bottom of the splicing head, the inserting groove is matched with the inserting rod, and the inserting rod and the inserting groove are both located above the fixed inserting rod; the splicing seats are arranged on one sides of the pavement base bodies, and the splicing heads are arranged on the other sides of the pavement base bodies, so that the two pavement base bodies can be spliced through the adjacent splicing heads and splicing seats during paving, the paving attractiveness can be ensured, the situation that the pavement base bodies deviate to reduce the pavement use experience is avoided, and meanwhile, the reliability of the pavement can be improved; and the stability and reliability of the pavement base body are further improved through the reinforcing inserting rods at the bottom of the pavement base body, and it is guaranteed that the laid pavement can meet the use requirement.
Owner:XIAN HIGHWAY INST

Voltage sag evaluation method and device

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.
Owner:CHINA ELECTRIC POWER RESEARCH INSTITUTE CO LTD

A zero-sample image classification method and system in machine learning

The present invention belongs to the field of computer vision technology and discloses a zero-shot image classification method and system in machine learning. The method comprises the following steps: obtaining a zero-shot image dataset; extracting data features through a pre-trained network; selecting two images and inputting them into an encoder 1, calculating a difference loss for the results; inputting the results into a decoder 1, and calculating an image reconstruction loss; selecting an image and inputting it into the encoder 1, inputting semantic features into the encoder 2, swapping the semantic features, and inputting them into the decoder 2, calculating a difference loss, an image reconstruction loss, and a semantic reconstruction loss; calculating a total loss; training the encoder and decoder; generating new data using the trained encoder and decoder; combining the new data with the original data to train a classifier; and testing a test sample using the classifier. The present invention provides a more reliable feature generation method by using a decoupled approach, providing reliability assurance for generating features for unseen classes, and ultimately better training a classifier for unseen classes.
Owner:YANGTZE DELTA REGION INST OF UNIV OF ELECTRONICS SCI & TECH OF CHINE (HUZHOU)

Dynamic slicing and intelligent decision-making-based efficient data transmission method for computing power network

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.
Owner:NORTHEASTERN UNIV CHINA