2849 results about "Electrical control" patented technology

The invention discloses a pallet protection corner automatic putting machine. The pallet protection corner automatic putting machine comprises a top protection corner putting combination machine and aside face protection corner putting combination machine; the top protection corner putting combination machine comprises a bottom circulation base and a pair of top protection corner single machines,the side face protection corner putting combination machine comprises a bottom fixed base and four side face protection corner single machines, the top face protection corner single machines are provided with electrical control parts, top protection corner containing grooves, limiting mechanisms, and top protection corner mounting claws, the top protection corner mounting claws grab protection corners in the top protection corner containing grooves, and put the protection corners on four edges of the top of a packaging box, each side face protection corner single machine comprises a second electrical control part, a side protection corner containing groove, and a side protection corner mounting claw, and the side protection corner mounting claws grab the protection corners in the side protection corner mounting grooves and put the protection corners on the four sides of the side face of the packaging box. The pallet protection corner automatic putting machine is reasonable in layout,smooth in operation, high in adaptation, automatic in full process, free of artificial duty and capable of greatly improving protection corner putting and threading packaging capacity.

The present invention relates to the technical field of control cabinets, and provides an electrical control cabinet for a thermal power plant, comprising an electrical control cabinet, wherein the electrical control cabinet is provided with a plurality of ventilation openings, a heat absorption plate is fixedly mounted on an inner wall of the electrical control cabinet, a heat dissipation structure is mounted on the heat absorption plate, four connecting bases are symmetrically and fixedly mounted on a top side of the electrical control cabinet, a ventilation structure is mounted on the four connecting bases, two mounting frames are symmetrically and fixedly mounted on the top side of the electrical control cabinet, and an anti-snow structure is mounted on the two mounting frames. According to the present invention, heat dissipation is achieved by means of a combination of heat conduction and air cooling, thereby further improving the heat dissipation effect of the electrical control cabinet. When the present invention is used in winter, if the ambient temperature is low, a fan and an electric heating tube can be turned on to heat internal equipment within the electrical control cabinet, so as to prevent any impact on the operation of the equipment due to excessively low temperatures; when the present invention is used outdoors, a protective metal roof can be employed for snow protection. Furthermore, the present invention also includes a snow removal function.

The invention discloses a modularized intelligent tubular column conveying system based on digital twinning and self-adaptive control, and belongs to the technical field of digital twinning. The modularized intelligent tubular column conveying system is characterized in that a digital twinning model integrating a mechanical structure, electrical control and hydraulic power attributes is constructed; acquiring multi-source sensing data including an image sequence, a three-dimensional point cloud and vibration acceleration in real time, driving the digital twin model to perform synchronous simulation, and calculating a deviation value between the digital twin model and internal simulation data; on the basis of the deviation value, a control logic parameter adjusting instruction is generated through a predefined mapping rule, then updated control logic parameters are executed, and a complete pipe column conveying process is simulated to generate a predictive system state sequence; and finally, the safety-related state subsets are issued to a field controller to guide and execute preventive actions. According to the invention, deep fusion and closed-loop control of digital twinning and physical entities are realized, and the debugging efficiency, the environmental adaptability and the operation safety of a tubular column conveying system are effectively improved.

The invention discloses a vehicle-mounted electrical control unit (ECU) debugging simulation system and method based on digital twinning. The system is composed of a data aggregation and time reference module, a consistency evaluation module, a synchronization and correction module, a semantic communication and scheduling module, an arbitration and security debugging module, and a cross-layer adaptive degradation and execution and iteration module. Channel-level time delay is estimated through a unified time reference, a consistency difference spectrum containing amplitude, time sequence, event and derivative components is constructed, confidence is given, time delay compensation and event-level alignment are calculated, and deterministic and priority scheduling is implemented according to semantic benefits; actions such as parameter recharge, message injection, task rhythm perturbation and environmental stimulation are generated and limited under the constraint of a security invariant set, control right soft handover and gating are realized based on confidence, and grading and degrading are performed when the confidence is low or the constraint is triggered; millisecond-level bidirectional collaborative debugging of twin and physical ECUs is realized, and consistency convergence, safety and bandwidth time arrival are improved.

The invention relates to the technical field of transmission electron microscope in-situ experiments, in particular to a transmission electron microscope in-situ multi-field coupling experiment platform which comprises a sample rod, a carrying table, a thermoelectric chip, a magnetic field generating device and a flexible circuit board. A first mounting groove and a second mounting groove are formed in the carrying table; the thermoelectric chip is arranged in the first mounting groove, and a carrying part, an electrical control unit and a temperature control unit are arranged on the thermoelectric chip; the magnetic field generating device is arranged in the second mounting groove and can generate a controllable magnetic field on the carrying part; the carrying part is used for carrying a sample, the electrical control unit is configured to load and measure an electrical signal of the sample, the temperature control unit is configured to control and measure the temperature of the carrying part, and the transmission electron microscope in-situ multi-field coupling experiment platform provided by the invention realizes cooperative application and accurate control of an electric field, a magnetic field and a temperature field.

The invention discloses an intelligent fireproof electrical control cabinet operation method, and the method comprises the steps: building a multi-source data set in which a physical position is strongly bound with a network topology label through the distributed collection of multiple types of sensors, and achieving the precise normalization, noise suppression and unified feature calibration of original data; and an abnormal resonance identification algorithm and causal inference are further adopted to extract an equipment transaction association mode, a dynamic equipment trust map is constructed based on Bayesian updating and an attention mechanism, and a map neural network is utilized to intelligently predict a risk diffusion path and high-risk node distribution. The system automatically triggers and issues a graded alarm and protection plan according to a risk cascade threshold value to realize active prevention and control of physical isolation, load degradation and the like, and meanwhile, periodically corrects a risk relationship and model parameters by means of an execution feedback mechanism. High-precision, whole-process dynamic optimization and self-adaptive evolution of power distribution network risk identification can be realized, and the group intelligent protection level and the system stability are effectively improved.

The invention relates to the technical field of laser welding, in particular to a laser welding tool for multi-size battery machining, which comprises a machining box body and a moving assembly for driving a laser welding head, a base frame is fixedly mounted at the top of the machining box body, and a pushing feeding assembly is arranged in the base frame. And the driving assembly is used for driving the battery bodies to achieve interval type horizontal transferring, a concentric-square-shaped moving plate in the pushing feeding assembly is responsible for gradually feeding the battery bodies step by step, moving blocks are fixedly installed at the two ends of the concentric-square-shaped moving plate, and upper and lower belt material assemblies are arranged in the moving blocks. According to the full-automatic battery top end cover welding machine, time sequence coupling of the four functions of clamping, conveying, taking and placing and cleaning is achieved, multi-process cooperation is completed, the electrical control complexity and cost are greatly reduced, absolute synchronization of takt time among the processes is fundamentally ensured, extremely high repeated positioning precision and anti-interference capacity are achieved, and the welding quality of a battery top end cover is improved.

The invention relates to the technical field of industrial robot fault diagnosis, and discloses a fault early warning and remote diagnosis method for an industrial robot electrical control system, and the method comprises the steps: obtaining a mechanical load parameter through a potential load model, an inertia load model and a basic dynamics model, obtaining an electrical state parameter through an electrical efficiency model, and carrying out the fault early warning and remote diagnosis. A correction factor is generated through a correction model in combination with the environment temperature, a dynamic current threshold value is calculated through a threshold value model based on the correction factor and a basic current threshold value, and finally health scores and fault early warning information are output through a diagnosis model in combination with the vibration acceleration and servo ring following errors. According to the method, mechanical, electrical and environmental multi-source parameters are fused, dynamic threshold adjustment and multi-dimensional health assessment are realized, normal working conditions and abnormal states are effectively distinguished, the fault early warning accuracy is remarkably improved, the false alarm rate is reduced, and a reliable remote diagnosis scheme is provided for the industrial robot.

The invention relates to the technical field of building construction automation, in particular to a concrete precast slab vibrating and leveling robot and method.The robot comprises a truss-type mechanical arm, a first truss-type Y-axis mechanical arm and a second truss-type Y-axis mechanical arm, and the truss-type mechanical arm comprises an X-axis movement mechanism, a first truss-type Y-axis mechanical arm and a second truss-type Y-axis mechanical arm; the first telescopic mechanical arm and the second telescopic mechanical arm are respectively mounted at the moving ends of the first truss type Y-axis mechanical arm and the second truss type Y-axis mechanical arm; the vibrating actuator is connected with the tail end of the first telescopic mechanical arm; the leveling actuator is connected with the tail end of the second telescopic mechanical arm; the visual device is used for photographing the concrete precast slab mold table entering the operation station according to a preset period to obtain a concrete slab image corresponding to the preset period, and sending the concrete slab image to the electrical control device; and the electrical control device is used for controlling the vibration actuator and the leveling actuator to sequentially complete vibration operation and leveling operation of the concrete prefabricated slab based on the BIM drawing of the prefabricated slab and the obtained concrete slab image.

The invention discloses an automobile generator self-adaptive excitation control method based on load prediction, and relates to the technical field of automobile electrical control, and the method comprises the following steps: injecting a micro-amplitude identification pulse into a whole vehicle electrical system, capturing the dynamic response of an electrical load, building a load transition curvature map, marking a high-risk time window, and generating a buffer time slot; and in the buffer time slot, constructing a prediction model fusing time domain extrapolation calculation and frequency domain envelope regression, and outputting collaborative confidence with credibility. A load transition curvature map is constructed to identify a high-risk window, a time domain and a frequency domain are fused to predict output confidence, excitation current is guided to form an anti-shake track, and a dynamic adjustment path is generated by combining start-stop broadening of high-power equipment and voltage second-order derivative identification. And finally, a slew rate self-adaptive strategy is introduced at a chip end to reduce peak impact, power supply and chip cooperative protection is realized, and system robustness and intelligent driving electrical safety are improved.

The invention discloses a non-sensitive management control system and method for a shared office. The system comprises a mobile APP, a cloud management platform, an intelligent access control terminal, environment sensing equipment and an electrical control unit, through the management system integrating the mobile APP, the cloud management platform, the intelligent access control terminal, the environment sensing equipment and the electrical control unit, non-sensitive management of the shared office can be realized. According to the system, a tedious and low-efficiency application process is simplified, so that the employees can quickly complete office reservation, and the consumption of office time is remarkably reduced. Meanwhile, the system can dynamically adjust the electrical control unit according to real-time data provided by the environment sensing device, it is ensured that device operation is automatically closed or reduced in the unmanned period, energy waste is effectively avoided, and the operation cost is reduced. In addition, the resource utilization efficiency is improved through the fine management mode, administrative expenses caused by idle or overuse of resources are reduced, and therefore the operation efficiency of an enterprise is overall improved.

The utility model relates to an oil-fluorine separator of a marine water chilling unit. A condenser is connected with a coil exhaust heating interface of the oil-fluorine separator through a high-pressure gaseous refrigerant pipeline, and is connected with an exhaust interface of the oil-fluorine separator through the high-pressure gaseous refrigerant pipeline and a high-pressure exhaust electromagnetic valve; an air suction interface of the oil-fluorine separator is connected with the evaporator through a low-pressure air suction electromagnetic valve and a low-pressure gaseous refrigerant pipeline; a low-pressure gas outlet connector of the oil-fluorine separator is connected with the evaporator through a low-pressure gaseous refrigerant pipeline; the evaporator is connected with a liquid inlet interface of the oil-fluorine separator through an oil-fluorine mixture pipeline and a low-pressure liquid inlet electromagnetic valve; an oil outlet connector of the oil-fluorine separator is connected with an oil tank through a lubricating oil pipeline via a one-way valve; the electrical control box is connected with the high-pressure exhaust electromagnetic valve, the low-pressure air suction electromagnetic valve and the low-pressure liquid inlet electromagnetic valve through signal lines. The oil-fluorine separation device can be used for separating the oil-fluorine mixture on the liquid surface of the flooded evaporator, and the heat exchange effect of the flooded evaporator is improved.

The invention belongs to the technical field of tunnel construction, and particularly relates to a tunnel construction ventilation intelligent regulation and control method based on electrical automation. Distributed sensor arrays are deployed on a tunnel driving working face, a haulage roadway and a fan station through a multi-source heterogeneous sensor network, ventilation loads, environmental parameters, equipment states and construction event signals are collected in real time, and real-time and accurate original data support is provided for the system; a three-dimensional fluid mechanics-particulate matter diffusion coupling simulation model of a tunnel ventilation system is constructed, then a digital twin is used as a virtual training environment, an optimization instruction is converted into an electrical control signal, and a closed-loop PID-fuzzy coincidence controller dynamically compensates execution delay, controls operation of a fan and an air valve, and finally performs dynamic simulation on the tunnel ventilation system. And an execution result is fed back to the digital twin body for model calibration, so that finer and more efficient ventilation control is realized, the use problem in a high-altitude and alpine region environment is solved, the continuous effectiveness of ventilation regulation and control is effectively guaranteed, and the overall performance is improved.

The invention provides a recovery device for building waste plastic building materials, and relates to the field of waste recovery devices.The recovery device comprises a feeding mechanism, a crushing mechanism, a separating mechanism and a melting granulation mechanism, and further comprises a crushing system and an electric control system; according to the crushing system, a primary crushing unit is driven by a first variable frequency motor; the secondary crushing unit is arranged at the discharging end of the primary crushing unit and is driven by a second variable frequency motor; the screening unit is arranged below the secondary crushing unit; wherein the electric control system is electrically connected with the first variable-frequency motor and the second variable-frequency motor and used for independently controlling the rotating speeds of the first variable-frequency motor and the second variable-frequency motor so as to drive the primary crushing unit and the secondary crushing unit to do differential relative motion, and the screening unit is used for returning substandard materials to the primary crushing unit to be crushed again. Multi-stage differential crushing and intelligent closed-loop control are adopted, airflow separation and magnetic separation impurity removal are combined, efficient and energy-saving production is achieved through segmented melting and plasticizing, and the treatment efficiency and the purity of a finished product are improved through an automatic system.

The utility model relates to a safe operation protection system of a non-metal mud scraper and a mud scraping system. The safe operation protection system of the non-metal mud scraper comprises a scraper detection device, a tension early warning device and an electrical control system, the scraper blade detection device comprises at least one group of scraper blade detection devices, each group of scraper blade detection devices comprises two scraper blade detection devices which are oppositely arranged, each scraper blade detection device is connected with the electrical control system, and the scraper blade detection devices are used for being in contact with the two side ends of a scraper blade; the tensioning force early warning device comprises two opposite tensioning force early warning devices, each tensioning force early warning device is connected with the electric appliance control system, and the tensioning force early warning devices are used for making contact with the first chain wheel. The system can timely identify the faults such as asynchronous deviation and chain breakage of the two sides of the scraper.

The invention discloses a tight-lock coupler intelligent tensile testing machine and a testing method thereof, and belongs to the technical field of tight-lock coupler test.The tight-lock coupler intelligent tensile testing machine comprises a mounting bottom plate and an electric control cabinet, and a support for supporting a tight-lock coupler to be detected is mounted on the surface of the mounting bottom plate; a tensile connecting frame for connecting the tight-lock coupler is mounted on the surface of the bottom plate on one side of the support, an integrated design of'tensile force detection and visual detection 'is innovatively adopted, mechanical parameter acquisition and visual deformation observation are combined, traditional mechanical data such as tensile force and displacement are obtained, and visual characteristics such as fine deformation and crack initiation are captured; precise synchronization of pulling force application, displacement collection and camera shooting is achieved through the synchronous controller, the real-time corresponding relation of pulling force-displacement-visual deformation is established, the problems that an existing device is single in detection dimension and poor in data relevance are solved, and the potential quality hazard checking capacity and the persuasion of a detection result are improved.

The invention discloses an electrical control device for high-pressure protection in a hydraulic control system, which relates to the technical field of hydraulic control and comprises a high-pressure detection module for monitoring pressure data of the hydraulic system in real time and transmitting the pressure data to a control processing core through an analog quantity input module. Two-channel independent control logic is adopted through the redundancy protection unit, even if a single loop breaks down, the other loop can still independently execute a safety instruction, the risk of single-point failure is eradicated, meanwhile, the intelligent control unit achieves advanced and accurate pressure adjustment and trend suppression through a high-frequency-response electro-hydraulic servo valve and a proportional valve and depending on bus communication, and the safety performance of the system is improved. The high-voltage risk is eliminated in the bud, the leap from passive response to active protection is achieved, high system integration and intelligent management are achieved through the intelligent valve terminal, remote monitoring and diagnosis are supported while wiring is simplified, and maintainability is enhanced.

The invention discloses an automatic transfer robot for a ladle. The automatic transfer robot comprises a robot body, a gate-type mechanical arm system, a ladle clamping and overturning assembly, an intelligent sensing system and an electrical control system. A servo-driven X-Y plane moving device is arranged at the bottom of the robot body, so that two-dimensional free movement is realized; the door type mechanical arm system comprises symmetrical mechanical arms, a connecting beam and a lifting and telescopic driving assembly and adapts to different positions. The clamping turnover assembly adopts a three-point positioning clamping and servo turnover device and integrates a manual switching system and a weighing system, so that accurate dumping is realized; the intelligent sensing system detects the positions of an iron outlet and a material receiving opening through laser vision; and the electrical control system cooperatively controls each component to realize automatic butt joint. The robot further comprises an automatic ladle cover opening and closing mechanism and a safety protection system, and safety is improved. Through automatic and intelligent design, the molten iron transfer safety and stability are improved, and the system is suitable for casting workshops and particularly suitable for transformation of old workshops.

The embodiment of the invention provides a flywheel energy storage system and an electrical control method and system thereof, and the electrical control method comprises the steps: collecting the operation state data of the flywheel energy storage system in real time, and carrying out the preprocessing of the operation state data; inputting the preprocessed operation state data into a parameter adaptive control algorithm, dynamically adjusting control parameters of the algorithm through fuzzy logic, and generating a control instruction for controlling the power converter; based on the control instruction and the real-time demand of a power grid, cooperatively controlling the output power and the direct-current voltage of the flywheel energy storage system, and when it is detected that the direct-current voltage deviates from a target range, automatically switching an electrical control mode to a voltage stabilization mode for stabilizing the direct-current voltage within the target range; and monitoring the operation state of the flywheel energy storage system in real time, and triggering a protection mechanism when at least one abnormity of overvoltage abnormity, overcurrent abnormity or mechanical fault abnormity is detected.

The utility model relates to an electrical system for a submarine sediment acoustic in-situ measurement device, which belongs to the technical field of submarine measurement electrical control and comprises a shipborne part and an underwater part which are connected through a photoelectric composite cable. The shipborne part is used for controlling the work of the underwater part; wherein the underwater part comprises a plurality of modular units which are connected through standardized interfaces, and the modular units comprise a main control unit, an acoustic measurement unit, a power amplifier unit, a transducer unit, a hydrophone unit and a power supply unit. According to the electrical system for the acoustic in-situ measurement device for the submarine sediments, through modular design, the adaptability and universality of the electrical system are improved; and moreover, a worker can add corresponding units or modules according to measurement requirements, so that the expandability of the system is improved, and different measurement scenes and requirements are better met.

The invention discloses a large-model visual impairment assisting robot system based on edge cloud collaboration, and is applied to the technical field of intelligent robots. Comprising a walking assembly, a framework support, a sitting and lying structure and an electrical control system. The walking assembly is arranged below the framework support and used for achieving movement and steering of the auxiliary robot. The sitting-lying structure is arranged in the middle of the framework support and used for achieving a seat function. And the electrical control system is used for realizing sensing and control functions. According to the invention, a large language model, a visual identification model, a voice synthesis model and a mobile robot platform are fused, multiple auxiliary services such as autonomous navigation, environment description, voice interaction and the like can be provided for visually impaired people in public culture or living places, and the travel independence, the information acquisition capability and the culture participation degree of the visually impaired people are remarkably improved.

The invention discloses an intelligent switching control method and system for a double-voltage automobile generator, and relates to the technical field of automobile electrical control, and the method comprises the following steps: S001, constructing a frequency response baseline of an automobile power distribution network, and calibrating an inductance parameter of a wiring harness and a capacitance parameter of a filter based on frequency response measurement data; and generating an inherent frequency distribution diagram for reflecting the dynamic electrical characteristics. According to the method, the frequency response base line and the harmonic characteristic spectrum are constructed, so that accurate identification and dynamic prediction of the resonance risk are realized; avoiding the inherent frequency by adopting a multi-level control frequency planning strategy; virtual impedance and an active damping mechanism are introduced to improve the switching stability; and closed-loop optimization control is constructed in combination with residual signal feedback, and continuous convergence of the control performance is realized. According to the overall scheme, the stability, robustness and electromagnetic compatibility of the voltage switching process are improved, and safe operation of the double-voltage architecture under complex working conditions is guaranteed.

The invention relates to the field of measurement. A pillow inner comfortable sleep performance key index testing device comprises a base, a machine frame and an electric control system, the machine frame comprises a vertical stand column, an upper cross beam and a middle cross beam, a supporting plate is arranged on the base, and exhaust holes with the interval being 20 mm and the diameter being 6 mm are formed in the supporting plate; the electric control system is connected with the pressure sensor module, the lower part of the pressure sensor module is connected with the pressure head through the connecting rod, and the lower part of the pressure head is in a three-dimensional human head rear half model form; the electric control system is further connected with a laser height measuring instrument, and the laser height measuring instrument is controlled by the electric control system to move up and down along one vertical stand column and face the other vertical stand column. The pillow inner compression performance testing device provided by the invention is simple and convenient to operate and relatively low in cost; multiple key performances of the pillow inner can be detected at the same time, and the pillow inner finished product can be directly detected.

The invention relates to the related field of electrical engineering, in particular to a combined low-voltage electrical control cabinet which comprises a control cabinet body, a door leaf is hinged to the control cabinet body, a relay is connected to an installation area in the control cabinet body, and a supporting assembly is connected to the bottom of the control cabinet body. The supporting assembly comprises a connecting beam, and the top of the connecting beam is fixedly connected with the bottom of the control cabinet. When a pallet fork moves to the tail end in a limiting frame, the back face of a control cabinet makes contact with a pallet fork goods blocking frame, then a vertical rod on the goods blocking frame is inserted into the middle area of a first arc-shaped frame and a second arc-shaped frame, and when the pallet fork moves upwards, the pallet fork indirectly drives the first arc-shaped frame and the second arc-shaped frame to rotate through a guide plate; the first arc-shaped frame and the second arc-shaped frame are rotationally closed to be clamped and fixed to a vertical rod on the goods blocking frame, so that when the control cabinet is connected with a pallet fork on a forklift for transfer, the bottom and the back of the control cabinet and the pallet fork on the forklift are automatically connected, fixed and automatically detached in a multi-point mode, and operation steps are reduced.

The invention discloses a hydraulic servo control system and method for a mining guniting robot. Belongs to the technical field of servo control. Comprising a hydraulic driving unit, a sensing and feedback unit, an electrical control unit, an embedded host and a man-machine interaction unit, wherein the electric control unit adopts a fuzzy PID (Proportion Integration Differentiation) controller for controlling the joint position of the mechanical arm according to the information of the sensing and feedback unit; aiming at linear synchronous control of chassis walking, an anti-integral saturation speed feedforward PI controller is adopted to adjust the opening size and direction of a hydraulic proportional valve in real time, and closed-loop control of the position is achieved.

The invention relates to the technical field of building electrical control, and discloses a building electrical self-adaptive energy-saving control system and method. The system comprises an environment feature acquisition module, an energy consumption feature extraction module, a self-adaptive strategy generation module, a strategy verification module and an equipment control module. The environment characteristic acquisition module acquires temperature gradient distribution, an illumination intensity matrix and a personnel activity thermodynamic diagram through a multi-mode sensor array; the energy consumption feature extraction module constructs an energy consumption time sequence feature tensor containing an equipment power fluctuation curve, a start-stop periodic mode and a load rate distribution spectrum according to an electrical equipment operation log. The adaptive strategy generation module inputs the data into a deep reinforcement learning network for fusion to generate a dynamic energy-saving strategy set; and after deduction verification of the strategy verification module, the equipment control module converts the strategy into a control signal through an industrial protocol bus and issues the control signal to the electrical equipment terminal, so that self-adaptive energy-saving control is realized.

The invention discloses a rigid-flexible switching type four-door hinge installation tool and method based on pneumatic sequential logic, and relates to the technical field of automobile manufacturing equipment, and the rigid-flexible switching type four-door hinge installation tool comprises a positioning and clamping operation module, a ground pushing chassis module and a pneumatic sequential logic floating module. The floating module comprises a three-dimensional decoupling mechanism, a normally-closed self-resetting mechanism and a normally-open delaying locking mechanism. The pneumatic control system is provided with three parallel branches including a reset unlocking branch, a clamping operation branch and a delay locking branch with a one-way sequence valve, and a pure pneumatic logic time sequence is constructed by utilizing the characteristic that an opening threshold value is set between dynamic pressure and stable pressure. By means of the scheme, accurate switching of pushing rigidity, positioning flexibility and tightening rigidity can be automatically achieved only through on-off of a single air source, complex electrical control is abandoned, the rigid and flexible requirement contradiction in follow-up assembly is effectively solved, vehicle body damage caused by time sequence disorder is avoided, and hinge installation accuracy and equipment reliability are improved.

The invention discloses a PLC electric control cabinet control method, and belongs to the technical field of electrical control. The method specifically comprises the following steps: S1, multi-dimensional parameter fusion acquisition: acquiring multi-dimensional data through a multi-type sensor, setting a hierarchical acquisition period according to parameter types, storing multi-source data in a classified and layered manner, and performing traceability judgment on abnormal data; s2, parameter preprocessing and feature extraction: different noise reduction algorithms are adopted for different signal types, and depth features of data are extracted through multi-step processing; electrical parameters, physical state parameters, environmental parameters and time sequence label parameters are collected through multiple types of sensors, the equipment operation state and external influence factors are comprehensively captured, compared with traditional single parameter collection, the real working condition of the system can be reflected more accurately, and complete data support is provided for subsequent control and diagnosis. And a hierarchical acquisition period is set according to parameter types, so that resource waste or key data omission caused by one-step acquisition is avoided.

The invention discloses a relay fault detection circuit, method and system applied to an energy storage system, and relates to the technical field of electrical control, and the method comprises the following steps: resistance dynamic compensation, coil fault analysis, contact fault analysis, mechanical performance analysis and comprehensive fault risk assessment. The comprehensive performance of the relay is analyzed through a comprehensive evaluation algorithm in combination with a coil aging coefficient, a contact health index H and a mechanical degradation index, a comprehensive fault index is obtained, the overall performance condition of the relay is judged according to the comprehensive fault index, and corresponding measures are taken. According to the method, the temperature fluctuation interference is eliminated, the accuracy of contact resistance detection is improved, the mechanical fault of the relay can be found in time through coil aging analysis, contact health evaluation and mechanical performance evaluation algorithms in combination with compensated data, multi-dimensional fault detection is realized, misjudgment and missed judgment are effectively reduced, and the fault judgment accuracy of the relay is remarkably improved.

The invention discloses an extreme weather electrical control method based on multi-source sensing fusion, and the method comprises the following steps: S1, collecting the data of a multi-source sensor disposed in a power system, and constructing an original sensing data set; s2, performing time synchronization and frequency unification processing on the original sensing data set to generate a multi-source alignment data sequence; s3, extracting a fusion feature vector; s4, inputting the fusion feature vector into an Autoformer model, capturing long-term time sequence dependence among multi-source features, and outputting an extreme weather grade evaluation result and an electrical operation risk scoring vector; s5, inputting the risk score into an improved Gumbel-Softmax strategy selection network, and outputting a control action sequence and parameter configuration; and S6, finally converting the control strategy into an equipment control instruction and issuing the equipment control instruction in real time. And risk prediction and adaptive control of the electrical system under extreme conditions are realized.