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146 results about "Slow response" patented technology

Pipeline welding all-position welding seam identification and tracking system and method

The invention provides a pipeline welding all-position welding seam identifying and tracking system and method, and belongs to the technical field of pipeline welding automation. In order to solve the problems of strong arc light interference, low tracking precision, slow response speed and insufficient robustness in the existing pipeline all-position welding tracking technology, the system comprises a sensing layer, a processing layer, a decision-making layer and an execution layer. The welding seam identifying and tracking method comprises the following steps: S1, calibrating the welding seam identifying and tracking system; s2, all-position welding tracking is carried out; and S3, performing adaptive adjustment on different scenes. According to the method, dynamic weighted fusion and fuzzy PID control are adopted, multi-posture welding such as flat welding, vertical position welding, horizontal position welding and overhead position welding can be automatically adapted, parameters do not need to be manually adjusted, and the operation threshold is lowered.
Owner:HARBIN INST OF TECH +1

Multipath load control acquisition device, system and load control acquisition method

The invention discloses a multipath load control acquisition device and system and a load control acquisition method, the device adopts an architecture in which a master device and a slave device cooperate, the master device comprises a master controller, a master communication module, a user display interface and a master interface unit, and the slave device comprises a slave interface unit, a slave controller, an acquisition unit and a slave communication module. Flexible marshalling management is achieved by distributing electronic identity numbers to the breakers, load parameters and the states of the breakers are synchronously collected through the collection unit, a two-way data transmission channel is constructed by means of the master-slave communication module, a control signal is generated based on preset logic and real-time data through the master controller, and the state of the breakers is controlled. And the slave controller issues an instruction to drive the circuit breaker electric operation mechanism to realize millisecond-level rapid switching-on and switching-off operation. According to the invention, the problems of insufficient number of loops, lack of state monitoring, slow response and the like of an existing load control system are solved, and accurate, rapid and intelligent management of multi-path loads on a client side is realized.
Owner:国网重庆市电力公司市南供电分公司

Fan state monitoring method and system based on BMC

The invention relates to the technical field of fan monitoring, in particular to a BMC (Baseboard Management Controller)-based fan state monitoring method and system. Demand level and energy efficiency modeling; matching coupling judgment is abnormal; carrying out abnormal mechanism cross positioning; performing combined construction of trend portraits; and outputting classification abnormity prompts. According to the invention, on the basis of a collaborative acquisition and hierarchical coupling analysis mechanism of BMC multi-source operation parameters, parameters such as a complete machine load rate, power supply input power, a fan rotating speed, a PWM duty ratio, a motor driving current, an air inlet and exhaust speed and a key heating device temperature are brought into a unified energy efficiency response relation set for modeling and analysis; the sensitivity, the accuracy and the interpretability of abnormal recognition are greatly improved, and the problems that due to the fact that only a single temperature parameter and fault triggering type control are relied on, fan performance degradation is recognized in time, the precision is low, and the response speed is low are effectively solved.
Owner:MEISHIER (ZHEJIANG) ENVIRONMENTAL INTELLIGENT ELECTRICAL APPLIANCES CO LTD

Three-degree-of-freedom micro-motion bonding head for wafer bonding machine

The invention provides a three-degree-of-freedom micro-motion bonding head for a wafer bonding machine, relates to the technical field of ultra-precision piezoelectric driving, and aims to solve the problems that a traditional bonding head structure is low in response speed and poor in multi-degree-of-freedom cooperative micro-motion stability. An external frame unit and an internal frame unit are fixedly assembled on the micropositioner main substrate; the external frame unit comprises an X-direction piezoelectric actuator, a Y-direction piezoelectric actuator, an X-direction balance weight, a Y-direction balance weight and a parallel guiding flexible hinge, wherein the X-direction balance weight and the Y-direction balance weight are symmetrically distributed, and the external frame unit is used for achieving X-direction linear motion and Y-direction linear motion. The internal frame unit comprises a Z-direction piezoelectric actuator, a wafer bonding head and a tandem decoupling flexible hinge, and is used for realizing Z-direction linear motion; the piezoelectric actuator is used as a driving element and is matched with the flexible hinge to form a guiding and transmission mechanism, three-degree-of-freedom micro-motion of the bonding head in space is achieved, and meanwhile the structural design is optimized to improve motion decoupling performance, compactness and adaptability of stroke and precision.
Owner:HARBIN INST OF TECH

Moving target identification and tracking system based on simulation micromirror array

The invention discloses a moving target identification and tracking system based on an analog micromirror array (AMA), belongs to the technical field of photoelectric tracking and machine vision, and aims to solve the technical problems of slow response, large inertia and complex structure of a traditional mechanical tracking system. According to the technical scheme, an AMA composed of a plurality of MEMS micromirror units which can be independently controlled and have the static or quasi-static two-dimensional deflection capacity is adopted as a non-mechanical light beam deflection actuator, the AMA can be composed of micromirror arrays in various forms, digital image data are analyzed in real time to solve the target offset, and the non-mechanical light beam deflection actuator is obtained. And an instruction is generated to drive the AMA to deflect at a high speed so as to compensate the deflection, so that continuous and stable locking and tracking imaging of the moving target are realized. The system has the advantages of being high in response speed, high in tracking precision, free of mechanical inertia and compact in structure, supports flexible switching of various working modes such as wide-area scanning and long-distance tracking, and is high in application flexibility.
Owner:BEIJING INST OF TECH +1

Virtual power plant rapid frequency modulation control system and control method

The invention discloses a virtual power plant rapid frequency modulation control system and control method, and the method comprises the steps: adaptively adjusting a sampling period through a dynamic sampling algorithm based on a sliding window variance; low-delay calculation of high-frequency data is realized by adopting a multi-thread queue communication technology; a multi-core ARM processor running a real-time operating system is used for executing a multi-thread control model, and data acquisition, algorithm control, fault diagnosis and communication tasks are processed in parallel; according to the control algorithm, frequency prediction feedforward signals based on an AI model and SOC state feedback are fused, and dynamic optimization of PID parameters is achieved. According to the method, millisecond-level frequency modulation response can be realized, the instruction response delay is less than 80ms, the frequency adjustment error is less than + / -0.01 Hz, the frequency modulation performance of a virtual power plant and the stability of a power grid are remarkably improved, and meanwhile, the service life of energy storage equipment is prolonged through SOC collaborative optimization. The invention aims to solve the problems of slow response and low precision of the existing frequency modulation technology.
Owner:JIANGSU AURORA YUNNENG NEW ENERGY CO LTD

Building flexible load regulation and control method, equipment and medium

The invention discloses a building flexible load regulation and control method, equipment and a medium, relates to the technical field of Internet of Things and intelligent control, and solves the problems of high communication cost and low response speed of an existing regulation and control method. The method comprises the following steps: acquiring environmental parameters and equipment operation data in a building, and transmitting the environmental parameters and the equipment operation data to an edge computing node through a low-power wide area network; the environmental parameters and the equipment operation data are preprocessed, logic judgment is conducted on the preprocessed data through a machine learning model, and a preliminary regulation and control instruction is generated; performing load prediction on the global information of the building and the preprocessed data abstract, generating a load optimization strategy, and issuing the load optimization strategy to an edge computing node; and regulating and controlling the preliminary regulation and control instruction according to a load optimization strategy to generate a final regulation and control instruction. Through a hierarchical architecture of edge computing and cloud collaboration, dual effects of fast local response and high global efficiency are obtained, and at the same time, low-cost control equipment is used to reduce deployment and communication costs.
Owner:山东浪潮智慧建筑科技有限公司

Laser interferometric control system and method integrating multimodal collaborative photoelectric detection and intelligent control algorithm

PendingCN122084000AGood interference contrastImprove locking robustnessAdaptive controlConverting sensor output opticallyContrast levelAlgorithm
This invention relates to a laser interferometric control system and method that integrates multimodal collaborative photoelectric detection and intelligent control algorithms, belonging to the field of laser interferometry. It solves the problems of slow response speed, high complexity, and insufficient adaptability in existing laser interferometric control systems. The system includes: a light source module, whose optical path is connected to a static reference optical path module and an active adjustment optical path module. Both the static reference optical path module and the active adjustment optical path module are optically connected to an interference signal detection module, which outputs the interference contrast. A processing and decision-making module is configured to receive and fuse the interference contrast, first coordinate information, and second coordinate information, output adjustment action commands for the adjustment optical path adjustment components to adjust the interference contrast, and perform autonomous learning optimization based on the change in interference contrast before and after adjustment and the magnitude of the adjustment change, thereby achieving automatic adjustment and stable maintenance of the interference contrast. This invention is applied to laser interferometry.
Owner:SHANXI UNIV

A fan state monitoring method and system based on BMC

The application relates to the technical field of fan monitoring, in particular to a fan state monitoring method and system based on BMC, which comprises the following steps: multi-parameter acquisition; demand level and energy efficiency modeling; matching coupling determination of abnormalities; abnormal mechanism cross positioning; trend image joint construction; graded abnormality prompt output. Based on the collaborative acquisition and graded coupling analysis mechanism of BMC multi-source operation parameters, the application models and analyzes the parameters such as the whole machine load rate, power input power, fan rotating speed, PWM duty ratio, motor driving current, air inlet and outlet speed and key heating device temperature in a unified energy efficiency response relationship set, greatly improves the sensitivity, accuracy and explainability of abnormal identification, and effectively solves the problems of low precision and slow response speed in timely identification of fan performance degradation caused by the dependence on only a single temperature parameter and fault triggering type control.
Owner:MEISHIER (ZHEJIANG) ENVIRONMENTAL INTELLIGENT ELECTRICAL APPLIANCES CO LTD

High temperature gas flow automatic regulating valve

The application discloses a high-temperature gas flow automatic regulating valve and relates to the technical field of valves.The application solves the problems of slow response speed and poor sealing and heat insulation capacity in the prior art.The application comprises a valve body, a flow-limiting nozzle structure is arranged on the valve body, a chamber is arranged on the flow-limiting nozzle structure, flow channel openings I and II, which are in communication with the chamber, are arranged on the flow-limiting nozzle structure, an electromagnet is connected to the valve body, a movable end of the electromagnet is connected to one end of a yoke, the other end of the yoke extends into the chamber and is matched with the flow channel opening II, the movable end of the electromagnet can drive the yoke to control the opening and closing degree of the flow channel opening II, and a sealing and heat insulation structure for matching with the yoke is arranged on the chamber.The sealing and heat insulation structure is matched with the yoke directly, sealing and heat insulation are formed, and the use requirement of a high-temperature medium conveying scene is met.The end of the yoke is matched with the flow channel opening II directly to control the flow, the design of a valve core is cancelled, space occupation is saved, the structure is simplified, friction in the control process is reduced, the driving force requirement of an electromagnetic valve is reduced, the response time of control is improved.
Owner:HENAN AEROSPACE HYDRAULIC & PNEUMATIC TECH

Project application competitiveness analysis system

PendingCN121329473ACommerceMarket dynamicsMulti dimensional data
The invention relates to the technical field of data processing, in particular to a project application competitiveness analysis system which comprises an acquisition module, a preliminary screening module, a judgment module, a determination module, an adjustment module and an output module. According to the method, multi-dimensional data is acquired in real time, firstly, project keywords are matched with policy keywords, and then key projects are judged by utilizing technology integration density and task dependency density; then, a priority list is determined by integrating the competitive strength, the technical optimization rate and the policy matching degree, in addition, according to the dynamic optimization threshold value of the approval rate, self-adaption policy change and market dynamics, not only is the scientificity of analysis improved, but also the practicability and reliability of the system are enhanced, and finally, by outputting an analysis report, a decision basis of data support is provided for a user, and the user experience is improved. The problems of low project screening accuracy and response lag caused by excessive dependence on models and incapability of adapting to changeable markets and policy environments are effectively solved.
Owner:BEIJING INSPIRATION TECH CO LTD

Abnormality diagnosis method, device and equipment of controller, medium and vehicle

The invention relates to the technical field of vehicle diagnosis, in particular to an abnormality diagnosis method and device for a controller, equipment, a medium and a vehicle, and the method comprises the steps: obtaining a controller diagnosis table of the controller in the vehicle; based on the controller diagnosis table, generating a project file and a test case of the controller, and collecting a diagnosis log for executing the project file and the test case; and abnormal parameters in the diagnosis log are extracted, and an abnormal diagnosis result that the controller meets a preset abnormal diagnosis condition is generated according to the abnormal parameters. Therefore, the problems that in the related technology, a fault scene is built in advance, feedback and fault information are compared manually, reverse table searching is needed, the response speed is low, and the use requirement of an actual scene cannot be met are solved.
Owner:CHERY NEW ENERGY AUTOMOBILE TECH CO LTD

A sonar system compensation circuit and method based on multi-channel switching

ActiveCN121657022BMultiplexingDual core
The present application relates to a kind of sonar system compensation circuit and method based on multi-channel switching;Wherein the circuit uses cascade architecture, the core is to use domestic CBMG708 multiplexer to build at least one program-controlled gain stage, by the gain resistance of different resistance in series after each selection end is connected to operational amplifier, multiple signal channels with 6dB gradient basic gain are formed.Combined with FPGA+ARM dual-core control module, according to target action distance, corresponding channel is gated in real time, the fast and accurate gain compensation of sonar signal of different distances such as near, middle and far is realized.The method ensures that the output signal amplitude in the whole distance range is higher than the detection threshold, while having the advantages of small gain error, low power consumption and supply chain controllable, effectively solves the problem of insufficient flexibility and slow response of traditional single-channel compensation circuit.
Owner:HAIYING ENTERPRISE GROUP

Method for quick response of reactive power in station based on over-allocation and overflow callback mechanism

The application discloses a kind of based on the mechanism of over-allocation and overflow callback station reactive fast response method, the reactive source of station is classified, including classification planning A class fast response reactive source, B class slow response reactive source;According to the demand of reactive power, cooperate the A class fast response reactive source, B class slow response reactive source planned, distribution is carried out;Real-time monitoring after over-allocation A class fast response reactive source, B class slow response reactive source, and overflow judgment of station reactive total regulating amount is carried out;A class fast response reactive source is overflowed and is recalled, and the capacity of fast reactive source called excessively is released;After A class fast response reactive source overflow callback end, continue real-time monitoring A class fast response reactive source, B class slow response reactive source, and track the dynamic process of reactive regulation.The application realizes station fast reactive regulation, and considers response accuracy simultaneously.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO LTD RESEARCH INSTITUTE

Jitter Frequency Analysis and Management System for Platform Jitter Mechanism

This invention relates to the field of platform vibration mechanisms, specifically to a vibration frequency analysis and management system for platform vibration mechanisms. It addresses the problems of low monitoring accuracy and slow response speed often found in existing vibration frequency analysis and management systems, which affect the operational stability and safety of platform vibration mechanisms. The system includes a vibration frequency acquisition module, a vibration frequency analysis module, an analysis and management platform, an anomaly alarm module, a drive equipment monitoring module, and a drive equipment analysis module. This system can detect and analyze the vibration frequency of the vibration mechanism in real time, achieving accurate analysis and effective control of the vibration frequency of the platform vibration mechanism. This is of great significance for improving the working performance of the platform vibration mechanism. Furthermore, by monitoring the operating data of the vibrating motor, which plays a crucial role, in real time and analyzing the data, it can promptly detect and handle abnormal states of the vibrating motor, thereby improving the operational stability and safety of the platform vibration mechanism.
Owner:SHENZHEN CPT PRECISION TECH CO LTD

Hybrid electric heating heat storage system for full-amount and full-power consumption of renewable energy sources

The invention discloses a hybrid electric heating heat storage system for full-amount and full-power consumption of renewable energy sources. The hybrid electric heating heat storage system comprises a quick response part and a slow response part. The quick response part is used for absorbing quick fluctuation power of renewable energy sources and is composed of one or more quick power response electric heaters such as a solid electric heating heat storage device, an electric boiler heat storage device, an induction heating electric heater and a resistance heating electric heater; the slow response part is used for absorbing medium-low speed fluctuation power and is composed of one or more of an electric heating fused salt heat storage device, a heat pump heating heat storage device, a compressed working medium heat storage device and the like. Multi-grade heat energy supply can be achieved at the same time, or the system is used for series cascade heating to supply high-grade heat energy. The functional defect that a single electric heating heat storage system cannot effectively cope with renewable energy power fluctuation or cannot store a large amount of heat is overcome. A solution for full consumption of renewable energy is provided, and the method is particularly suitable for full consumption of off-grid new energy and provides flexible power support for new energy grid connection.
Owner:INST OF ELECTRICAL ENG CHINESE ACAD OF SCI

A tension floating roller dual-cylinder synchronous lifting mechanism

This invention discloses a tension floating roller dual-cylinder synchronous lifting mechanism, belonging to the field of printing and packaging equipment technology, and mainly applied to the roll material tension control system of roll paper rotary die-cutting machines and printing presses. Addressing the shortcomings of existing swing-arm type tension floating roller mechanisms, such as large space occupation, low control accuracy, slow response, and poor synchronization stability, this invention adopts a dual-cylinder vertical direct drive structure combined with a gear and rack mechanical synchronization mechanism to replace the traditional swing-arm structure. The mechanism includes a base, a dual-cylinder drive mechanism, a floating roller, a synchronization stabilization mechanism, a linear potentiometer, and electrical control components. Precise tension adjustment is achieved through linear potentiometer position feedback combined with PLC closed-loop control, and the horizontal lifting of the floating roller is ensured by dual mechanical and electrical synchronous control. This invention features a compact structure, good synchronization, high tension control accuracy, and fast response speed, effectively ensuring stable roll paper conveying tension and providing a reliable foundation for high-precision registration in printing and die-cutting.
Owner:JIANGSU GENGCHUANG INTELLIGENT EQUIPMENT CO LTD

Message queue-based transaction execution method, device and transaction execution system

PendingCN122363955AMessage queueEngineering
This application provides a message queue-based transaction execution method, apparatus, and system. The method includes, upon receiving a transaction request from a requester, determining whether the requester is a "hotspot requester," where a hotspot requester is one whose transaction frequency exceeds a preset frequency threshold; if the requester is a hotspot requester, storing the transaction request in a register, where the register is a table recording transaction requests; generating temporary information and sending the temporary information to the requester, where the temporary information indicates temporary successful transaction execution; and using message queue technology to process the transaction requests in the register until all transaction requests in the register have been executed. This method solves the problem of slow response time and poor user experience in existing technologies when dealing with large database transaction volumes.
Owner:中国邮政储蓄银行股份有限公司

Adaptive intelligent focusing liquid crystal lens and implementation method

PendingCN122469527AEyewearEngineering
This invention discloses an adaptive intelligent focusing liquid crystal lens and its implementation method, belonging to the field of liquid crystal optical device technology. It aims to solve the technical problems of existing liquid crystal focusing lenses, such as low adjustment accuracy, slow response speed, limited adaptability to various scenarios, inability to achieve adaptive matching across the entire refractive range, and insufficient wearing comfort. The liquid crystal lens comprises a protective lens layer, a first liquid crystal layer, an intermediate insulating layer, a second liquid crystal layer, an optical substrate layer, and a coating layer stacked sequentially. Combined with a drive control module and a sensing and acquisition module, it achieves stepless continuous adjustment of the refractive power. The implementation method involves acquiring human eye refractive parameters and ambient light parameters through the sensing and acquisition module, and then outputting a precise voltage signal through the drive control module to regulate the molecular arrangement of the two liquid crystal layers, achieving adaptive intelligent focusing. This invention can achieve a refractive adjustment range of -10.00D to +6.00D, a response time ≤200ms, and an optometric accuracy of ±0.12D. It is suitable for various vision needs such as myopia, hyperopia, presbyopia, and astigmatism, balancing medical-grade accuracy with consumer-grade wearing comfort, and can be widely applied to wearable vision devices such as adaptive smart glasses.
Owner:SHENZHEN DOUWO TECH CO LTD

Normally closed two-position three-way PWM solenoid valve with non-magnetic gasket ball valve structure

The application belongs to a two-position three-way PWM electromagnetic valve, and aims at solving the problems of complex structure, slow response speed, high quality requirement of parts processing, high requirement of product assembly process and large leakage of existing two-position three-way high-speed on-off electromagnetic valve, and provides a normally closed two-position three-way PWM electromagnetic valve with a non-magnetic gasket ball valve structure, wherein the inner surface of the top of the stop iron is provided with a boss, the bottom of the boss is provided with a counterbore, the surface of the armature is coated with a non-magnetic coating, the top is provided with a first mounting hole, the elastic component is located in the counterbore and the first mounting hole, the coil is wound on the upper part of the armature and the outer wall of the boss, one end of the top rod is fixed with the armature, and the other end is arranged opposite to the steel ball, the first through hole is arranged in the valve body along the axial direction, is sleeved on the outer side of the lower part of the armature, the inner wall of the first through hole is provided with a limiting boss, the valve seat is fixed on the bottom of the first through hole, a cavity is formed between the top of the valve seat and the limiting boss, and the steel ball is located in the cavity.
Owner:SHAANXI HUACHENG LINGHANG ELECTROMAGNETIC TECH CO LTD

Motor stability testing method, device and system and storage medium

The invention provides a motor stability testing method, device and system and a storage medium, and the method comprises the steps: obtaining an attitude angle of a to-be-tested motor at at least one sampling moment in an operation process through a sensor, generating an attitude angle difference value sequence based on the difference of attitude angles at any two adjacent sampling moments, and determining an attitude angle difference value curve of the attitude angle difference value sequence; measurement data are quantized into digital signals to be output, the jitter amplitude of the to-be-detected motor in the operation process can be determined in real time according to the waveform change condition of the attitude angle difference curve, calculation time consumption is short, and the jitter amplitude of the motor can represent the stability of the motor, so that the stability of the motor can be detected in real time, and the stability of the to-be-detected motor is improved. The requirement for real-time detection of motor jitter can be met, and the problem that jitter detection based on a visual detection system is low in response speed is solved.
Owner:REALSEE (BEIJING) TECHNOLOGY CO LTD

Multi-split intelligent flight wire de-icing robot

The present application relates to the technical field of deicing robot, and more particularly to a multi-split intelligent flying conductor deicing robot, which comprises a main body, a flying arm, a deicing execution assembly, a posture adjusting assembly and a control assembly. The present application synchronously collects multi-dimensional state parameters, identifies the envelope state according to the spatial mapping relationship of configuration and adhesion, calculates the consistency index of multi-station operation through the distribution dispersion of contact length and the cooperativity of vibration response, analyzes the deviation of walking load in different conductor directions, and jointly diagnoses the efficiency mismatch type. Then, according to the state type and the imbalance source, the contact compensation, configuration adjustment or collaborative balance strategy is dynamically matched and directional linkage adjustment is carried out. Finally, the convergence trend of the adjusted parameters is verified, effectively solving the problem of slow response speed and low deicing efficiency in the face of complex and variable icing conditions due to the dependence on fixed mechanical deicing mode.
Owner:STATE GRID GANSU ELECTRIC POWER CO LANZHOU POWER SUPPLY CO

A vulnerability patching method and system

ActiveCN122293434BAvoid additional scheduling overheadMaximize resource utilizationResource poolLower priority
The application provides a vulnerability repair method and system, and relates to the technical field of network security vulnerability verification and enterprise vulnerability management. The application obtains a task containing a vulnerability identifier, asset information and to-be-verified repair content, processes the task in parallel according to a pipeline split according to business execution steps, and configures a resource pool matching external dependencies for each stage; a stage fingerprint is generated when the task is transferred, a result is reused when a subtask is executed, otherwise the execution is scheduled according to vulnerability harm, asset importance and threat intelligence, and the vulnerability repair is completed according to the verification result. The application solves the problems of low throughput of the existing general pipeline, slow response of high-priority tasks, and easy starvation of low-priority tasks, and achieves the effect of collaborative optimization of throughput improvement, emergency task response acceleration and low-priority task starvation prevention without changing the original business and hardware.
Owner:CHINA UNICOM INTERNET OF THINGS CO LTD +1

Motor overload thermal protector

The utility model relates to the technical field of motor overload thermal protection, and discloses a motor overload thermal protector which is composed of a protector front cover, a rear cover and a top cover, an overload protection mechanism is arranged in the protector, a reset operation mechanism is arranged on the surface of the top cover, and the overload protection mechanism comprises a heating copper sheet, a binding post, a shifting fork and the like. Current is transmitted to the heating copper sheet through the binding post. When overload occurs, current is increased, so that heat of a heating copper sheet is increased, the heat is transmitted to a deformation copper sheet to deform the deformation copper sheet, related parts are driven to act, a shifting fork pushes a reset copper sheet to trigger a protection mechanism to cut off a circuit, response is rapid, and the safety coefficient is high; a current protection threshold can be set, normal reset and forced reset can be realized, and compared with the prior art, the protector effectively solves the problems of slow overheat detection response, untimely protection mechanism triggering and the like, and can better protect the safe operation of the motor.
Owner:LEITUO IND EQUIPMENT (SHANDONG) CO LTD

Electric power forest fire early warning method and device based on quantum measurement technology

The invention discloses an electric power forest fire early warning method and device based on a quantum measurement technology. The method comprises the steps that multiple pieces of sensing data of a target position in a power line are acquired through a quantum sensor, and the multiple pieces of sensing data comprise temperature data, gas concentration data and electric field intensity data; based on the multiple pieces of sensing data, determining a forest fire risk level of the target position, the forest fire risk level including a low risk, a medium risk, a high risk or an extremely high risk; and performing early warning operation on the target position based on the forest fire risk level. According to the invention, the technical problems of low monitoring precision, slow response, easy interference and unsafe data transmission in a traditional electric power forest fire early warning method are solved.
Owner:STATE GRID BEIJING ELECTRIC POWER CO +1

Thread tension adjusting device and sewing machine

The invention discloses a thread tension adjusting device and a sewing machine, relates to the technical field of sewing equipment, and aims to solve the problems that an existing electromagnet-driven thread tension adjusting device is low in response speed, thread tension is reduced due to long-time operation, and the thread loosening speed lags behind. The motor is arranged on one side of the supporting structure; the wire clamping mechanism and the motor are oppositely arranged on the other side of the supporting structure, the wire clamping mechanism comprises a cam and a wire passing wheel, the cam is connected with a motor shaft of the motor, and the outer edge of the cam is attached to a wire passing groove of the wire passing wheel; by means of the arrangement, high-precision, quick-response and long-term stable thread tension control is achieved through motor driving, meanwhile, the thread loosening performance is optimized, and the overall performance of the sewing machine is remarkably improved.
Owner:BULLMER ELECTROMECHANICAL TECH

Six-degree-of-freedom hydraulic leveling system for vehicle-mounted equipment

The invention belongs to the field of hydraulic control, and particularly relates to a six-degree-of-freedom hydraulic leveling system for vehicle-mounted equipment, which can ensure the stability and maneuverability of the equipment in the operation process. The six-degree-of-freedom hydraulic leveling system is designed for solving the problems that a vehicle-mounted equipment leveling system is slow in response, low in precision and the like. According to the system, the telescopic motion of the hydraulic supporting legs is controlled through a self-adaptive PID algorithm based on speed feedforward, and position closed-loop control is achieved by combining displacement and real-time feedback of a double-shaft tilt angle sensor. A leveling strategy of first X-axis leveling and then Y-axis leveling is adopted, combination of coarse adjustment and fine adjustment is achieved through staged leveling, and the leveling efficiency is greatly improved. According to the test under a real heavy-load vehicle-mounted platform, the result shows that the biaxial inclination of the vehicle-mounted platform can be smaller than or equal to 0.05 degree within 150 seconds, the leveling time is effectively shortened, the precision is higher, and the actual engineering application requirement is met.
Owner:CHINA FIRST HEAVY IND +2

Multi-wiring compatible and quick-response analog quantity signal isolator

The utility model discloses a multi-wiring compatible and quick-response analog quantity signal isolator, which aims to solve the problems of poor input mode compatibility, slow response and high cost of the conventional analog quantity signal isolator. The device is composed of an upper housing, a lower housing, a circuit board, an indicating lamp and an indicating window cover. A DC input voltage stabilization module, an operational amplification control module, an oscillation driving module and an isolation transformation output module are integrated on the circuit board. The thickness of the isolator is only 6.2 mm, the isolator is light, thin and portable, and the installation space is saved; two-wire system input, three-wire system input and four-wire system input are supported, and compatibility is high; by adopting a pure hardware scheme, the response speed is high and the cost is low. The internal circuit design is reasonable, power supply is stable, analog quantity signals can be effectively modulated and transmitted, input and output power supplies are respectively provided with a rectification filter circuit, power supply is stable, and accurate input and output of the analog quantity signals are guaranteed.
Owner:JIANGYIN ACREL ELECTRICAL APPLIANCE MFGCO +2

Photovoltaic large base fire prevention and control method and system based on multi-mode perception and medium

The invention discloses a photovoltaic large base fire prevention and control method and system based on multi-mode perception and a medium, and relates to the technical field of data processing, and the method comprises the steps: configuring a single-mode sensor and a multi-mode sensor for each device in a photovoltaic large base, achieving the preliminary early warning and multi-source verification, and when the single-mode sensor triggers the early warning, carrying out the early warning and multi-source verification; and the edge node calls the corresponding multi-modal data to carry out cross verification, generates a fault verification result, carries out accompanying equipment verification based on a fault conduction path, and executes hierarchical isolation according to the accompanying equipment verification. The technical problems of low accuracy and response lag of fire early warning caused by dependence on a single sensing mode and a centralized data processing architecture in the existing photovoltaic large-base fire prevention and control are solved, and accurate fault identification and hierarchical progressive isolation are realized through multi-mode sensing fusion and edge intelligent collaboration, so that the fault early warning efficiency is improved. And the accuracy and timeliness of fire early warning are effectively improved.
Owner:INNER MONGOLIA UNIV OF TECH

Vehicle loop signal processing method, vehicle, and computer-readable storage medium

This application provides a vehicle circuit signal processing method, a vehicle, and a computer-readable storage medium. The method includes: acquiring interlock signal data corresponding to at least one interlock node in the vehicle's high-voltage circuit, wherein the interlock signal data includes the signal amplitude and signal frequency of a pulse interlock signal; performing state detection on the interlock signal data to obtain a state detection result for at least one interlock node, wherein the state detection result is used to determine the transmission state of the pulse interlock signal; determining the circuit connection state of the vehicle's high-voltage circuit based on the state detection result of at least one interlock node; and responding to the determination of a connection anomaly in the vehicle's high-voltage circuit based on the circuit connection state, controlling the power supply corresponding to the vehicle's high-voltage circuit to perform a disconnection operation. This application solves the technical problems of low detection accuracy, slow response speed, and poor reliability in related electric vehicle high-voltage interlock systems.
Owner:CHERY NEW ENERGY AUTOMOBILE TECH CO LTD