75results about How to "High control reliability" patented technology

The invention discloses a display control method and system of a vehicle-mounted displayer, a medium and a program product, and relates to the field of vehicle-mounted display.The method comprises the steps that real-time road condition information of a navigation system and ambient light data collected by a light sensor are obtained; determining a light change type based on the real-time road condition information and the ambient light data; when the light change type is the environmental factor type, determining a light change position based on the real-time road condition information; calculating the driving distance from the current vehicle position to the light change position and the predicted arrival time, and generating a dynamic adjustment curve to gradually adjust the display parameters of the vehicle-mounted display; when the light change type is a non-environmental factor type, determining the ambient light intensity and a preset fluctuation range of the current vehicle position based on the ambient light data; and determining a tolerance interval of the display parameters according to a preset fluctuation range, and keeping the display parameters unchanged in the tolerance interval. According to the invention, the vehicle-mounted display effect during night driving can be optimized, and the service life of the display is prevented from being affected.

The invention discloses a fishery water body environment monitoring equipment control method, and relates to the technical field of equipment control, and the method comprises the steps: obtaining a first-stage monitoring region and a second-stage monitoring region; obtaining a first-stage monitoring equipment layout array and a second-stage monitoring equipment layout array; setting a monitoring bandwidth; obtaining a primary monitoring index set sequence and a secondary monitoring index set sequence; obtaining a primary monitoring area water body state coefficient and a secondary monitoring area water body state coefficient; and carrying out water body environment monitoring on the primary monitoring area and the secondary monitoring area according to the adjusted monitoring bandwidth. The technical problems that in the prior art, the fitting degree of fishery water environment monitoring equipment control and the actual water environment condition is low, and the control reliability is poor are solved, and the technical effects that the fitting degree of the monitoring bandwidth of the water environment monitoring equipment and the actual condition is improved, and the equipment control accuracy is improved are achieved.

The invention relates to the field of valve control, in particular to a valve control method insensitive to temperature fluctuation, a controller and a vaporization device. The valve is arranged on a liquid inlet flow path of the vaporization part. The method comprises the steps that a current flow signal fed back by a flow sensor of the liquid inlet flow path is received; deriving the current flow signal, and gaining to obtain a current derivative compensation signal; pID control is carried out based on the flow set value and the flow measurement value corresponding to the current flow signal, and a current valve control basic signal is obtained; estimating a current temperature control disturbance signal caused by temperature fluctuation of the heating vaporization cavity based on the current flow signal and the valve control signal at the previous moment; and superposing the current valve control basic signal, the current derivative compensation signal and the current temperature control disturbance signal to obtain a current valve control signal. The multi-level control strategy combining PID control, derivative compensation and disturbance compensation is adopted to control the valve so as to cope with periodic disturbance of a heating system, and stability and control precision of liquid flow can be ensured.

The utility model relates to the field of clothes drying equipment, in particular to a clothes drying cabinet which comprises a cabinet body and a clothes airing machine fixedly installed in the cabinet body. The clothes airing machine comprises a main body and a clothes airing rod; a first rail with a downward inclined front end is fixedly mounted in the cabinet body; the clothes airing rod is in sliding connection with the first rail. The clothes drying cabinet has the advantages that the door body is opened, the clothes airing rod is manually or remotely controlled to descend, a user can air clothes on the clothes airing rod, after the clothes are hung on the clothes airing rod, the clothes airing rod is lifted, the clothes airing rod is pulled back into the box body through a clothes airing rope, at the moment, a switch of the clothes airing machine is turned on, and the clothes can be aired in an auxiliary mode; due to the fact that the box body is arranged, reliability of airflow control is high, clothes drying efficiency is higher than that of a clothes drying machine which is directly arranged on the top of a balcony, and the clothes drying cabinet is more attractive than that of a clothes drying machine which is directly arranged on the top of the balcony.

The invention relates to a cross-network exchange service flow strategy control method, which comprises the following steps of: S1, constructing a strategy controller and limiting identities of two communication parties; s2, the strategy controller maintains a resource pool based on analysis and prediction; s3, after the transmitting end initiates the transmission service actively, the strategy controller dynamically adjusts the flow control strategy; s4, the cross-network switching processing system processes the transmission service according to a strategy; wherein the strategy controller comprises a strategy management module, a name address directory module, a behavior analysis module and a resource management module. According to the invention, through design oriented to future IPv6, transmission services of corresponding levels are provided for users, services and applications, and the problem of flow control strategies in cross-network transmission is solved.

The invention discloses a totem-pole PFC circuit control method and device based on an improved SOGI-PLL, and belongs to the technical field of totem-pole PFC circuits, and the method comprises the steps: collecting the input voltage, input current and bus voltage of a totem-pole PFC circuit; synchronous phase information of the power grid voltage is obtained through an improved second-order generalized integral phase-locked loop; generating a current amplitude reference signal, and combining the current amplitude reference signal with the synchronous phase information to synthesize a current reference signal; generating a pulse width modulation signal for controlling a high-frequency switching tube; and a switching signal of the power frequency switching tube is generated based on the synchronous phase information, and the power frequency switching tube and the high-frequency switching tube are driven in combination with the pulse width modulation signal, so that the action time sequence is synchronous with the phase of the power grid voltage, and therefore, waveform tracking of the input current is realized, and current distortion at the zero crossing point is suppressed. Precise phase synchronization is realized based on the improved SOGI-PLL, totem pole PFC zero-crossing current distortion is effectively suppressed, and the power factor and waveform quality are improved.

The invention relates to an input voltage power failure locking and startup and shutdown instruction control circuit and a working method thereof. The circuit comprises a short circuit protection unit, a surge suppression unit, an EMI filtering unit, a DC / DC conversion unit, an output filtering unit and a control circuit unit. The control circuit unit comprises an input bus power failure locking unit, a shutdown control instruction unit, a startup control instruction unit and a startup and shutdown state locking unit. The method is suitable for a power supply and distribution system in aerospace electronic equipment, and can be widely applied to other various power supply and distribution systems which work reliably for a long time. According to the method, the reliability of pulse instruction control on and off of the power supply and distribution system in the electronic equipment for space navigation can be guaranteed, when the primary input bus voltage breaks down or returns to normal, the power supply can be effectively in the off state, the effective on and off instruction can be retransmitted through the platform, and it is guaranteed that the system is reliably restarted and operated.

An iterative learning fault-tolerant consistency control method for a multi-flexible-mechanical-arm system comprises the following steps that S1, a directed communication topological structure is constructed, flexible mechanical arms serve as followers, and a virtual leader is established; a mathematical model of the multi-flexible mechanical arm system is established based on the Hamiltonian principle; s2, constructing a finite time observer for estimating the angular displacement and the angular velocity of the virtual leader for each follower of the multi-flexible mechanical arm system; s3, designing an iterative learning rule, a parameter adaptive rule and a control signal of the multi-flexible mechanical arm system based on the virtual leader state estimated by the finite time observer in combination with an actuator fault model and an event triggering rule based on sampling data; according to the control method, fault-tolerant consistency control design based on a sampling data event triggering mechanism is carried out in combination with an estimated value of a finite time observer, so that communication resources are saved, and meanwhile, consistency control of the system is realized.

This invention relates to the field of vehicle intelligent control technology, and discloses a windshield wiper intelligent control method, system, and vehicle. The windshield wiper intelligent control method includes: acquiring the windshield wiper operating state; acquiring the environmental occlusion state of the area above the vehicle; and controlling the windshield wiper operating state based on the windshield wiper operating state and the environmental occlusion state. Applying the technical solution of this invention can accurately control the timing of windshield wiper opening and closing, reduce the complexity of driving operations, and improve driving safety.

The present invention provides an automatic transfer control system and control method to solve the technical problem that vehicles lack efficient transfer means at high loading density. The system includes: a transfer response layer, which interacts with the upper system for data, forms an operation strategy for the transfer equipment according to the control purpose of the upper system, monitors the operation status of the transfer equipment and feeds back to the upper system; a signal aggregation layer, which obtains the setting benchmark of the built-in sensor of the transfer equipment, obtains the operation signal of the transfer equipment collected by the built-in sensor, and forms the field operation data according to the setting benchmark; a function configuration layer, which stores customized data processing processes, processes the field operation data through the data processing process to respond to the transfer control process request; a transfer control layer, which adapts the operation strategy to form the transfer control process of the transfer equipment, and controls the transfer of the transfer equipment vehicle. The control process of vehicle transfer is decoupled from the control process of the transfer equipment, which ensures the adaptability to complex transfer scenarios and the control versatility of the transfer equipment.

The utility model discloses a positioning accurate servo electric cylinder relates to electric cylinder technical field, and the utility model discloses a shell seat is provided with the shell cover one end of shell seat, the inside rotation of shell seat is equipped with the threaded rod, the outside threaded cover of threaded rod is equipped with the push rod, and the one end of push rod is slid through shell cover, and the inside fixed mounting of shell cover is equipped with motor, and the drive end fixed connection of motor is equipped with main gear, and the one end fixed cover of threaded rod is equipped with the secondary gear, and the secondary gear is engaged with main gear and is connected, and the outside fixed connection of push rod is equipped with the guide block, through the cooperation of motor, main gear, secondary gear, threaded rod, push rod, and the guide block is in the sliding help push rod guide wire positioning on the guide plate, and utilize the sliding of slider on the sensor and the detection of guide block abutment, cooperate the effect of spring to real -time monitoring guide block and push rod's moving strength judges telescopic data to be transmitted to motor and carries out positioning control, real -time contact, and data is more accurate, and the control reliability is improved.

The invention relates to the technical field of power transmission control, in particular to a power transmission control method of a crane, which comprises the following steps: acquiring an image of a hoisted object and determining a hoisting mode; in the corresponding hoisting mode, whether the first hoisting process meets a preset standard or not is judged based on the complexity of force on a steel wire rope connected with the hoisted object; on the basis of the adjusted first hoisting process, whether the second hoisting process meets a preset standard or not is judged according to the deviation angle of the sling; based on the adjusted second hoisting process, whether a third hoisting process meets a preset standard or not is judged according to the vibration amplitude of the hoisted object; and under the condition that the first hoisting process, the second hoisting process and the third hoisting process meet the preset standard, whether the hoisting process of the crane meets the preset standard or not under the condition that wind resistance exists is judged based on the inclination angle of the hoisted object. The control accuracy and reliability of the hoisting process are improved.

The application discloses a multi-modal perception robot elevator control method and related equipment, the method comprises the following steps: obtaining an elevator task and current radar data, performing path planning according to the current radar data and preset floor map data to obtain an elevator path; controlling the robot to go to a floor elevator position according to the elevator path, performing multi-modal scanning on the floor elevator position, obtaining multi-modal environment data and performing fusion analysis to determine elevator state information; performing decision analysis according to the elevator state information and the obtained elevator task to generate robot control instructions, and controlling the robot to execute the elevator task according to the generated robot control instructions; obtaining multi-modal data through multi-modal scanning to perform fusion analysis, determine the elevator state information, and generate control instructions based on the elevator state information, and control the robot to execute the elevator task. The application embodiment can improve control reliability and reduce implementation cost. The application can be widely applied in the field of robot control technology.

The invention provides a helicopter inward-opening type hinge cabin door control device and a state indication method, solves the problem of low reliability caused by multiple sensors, multiple signals and complex logic of a cabin door with a multi-position locking function at present, and is particularly suitable for a large-size inward-opening type hinge cabin door of a general helicopter. Reliable position locking and state indication of the cabin door can be realized only through monitoring of the passive locking mechanism and the micro switch of the passive locking mechanism and by adopting a system architecture of signal acquisition logic processing state indication, and an active locking mechanism and an additional position sensor do not need to be adopted, so that the cabin door control system is simple, fewer in signal, simple in logic and high in reliability. The cabin door state display information is concise, visual and comprehensive, the cabin door control efficiency and the state indication reliability are higher, and various task requirements of using the cabin door on the ground / in the air can be met.

The present invention discloses a melt plasticizing extrusion control method and system, which relates to the field of plastic processing technology. The method comprises: performing plasticizing extrusion quality monitoring of a target product of a target extruder within a preset monitoring window, generating an extrusion quality record sequence; determining an extrusion quality fluctuation factor; obtaining K heat change curves, generating a melting temperature interval of a target product; generating a target melting temperature interval; performing temperature monitoring, obtaining a monitoring temperature set; determining a target melting temperature deviation value, configuring control parameters according to the target melting temperature deviation value, obtaining a target control parameter set; transmitting the target control parameter set to a control unit of a target extruder for parameter adjustment. The present invention solves the technical problem in the prior art that the melting temperature interval of a product is not accurately determined, resulting in poor extrusion quality, and achieves the technical effect of improving the accuracy of melt plasticizing extrusion control.

The invention discloses a distributed power generation system based on methanol fuel cells. The distributed power generation system comprises a plurality of distributed power generation subsystems; each distributed power generation subsystem comprises a methanol fuel cell module, a working parameter control module, a waste heat recovery management module, a cell cooling module and an energy storage management module; the methanol fuel cell module is electrically connected with the working parameter control module and the energy storage management module, and the methanol fuel cell module is further connected with the waste heat recovery management module and the cell cooling module through pipelines. The methanol fuel cell module is subjected to waste heat recovery and cooling temperature control through the waste heat recovery management module and the cell cooling module, so that the temperature control reliability and the cell operation stability are improved.

This invention provides an intelligent control method and system for mobile energy storage systems, relating to the field of energy storage control technology. The method includes: acquiring energy storage system operation data, simultaneously collecting grid operation data and energy storage environment data; identifying operating scenarios and matching control strategies; employing an adaptive control strategy for the energy storage system to perform control optimization analysis on the multi-dimensional data; determining target charge-discharge control parameters to control the mobile energy storage system to execute adaptive charge-discharge control; and performing closed-loop optimization control of the energy storage system through mobile energy storage feedback parameters. This solves the technical problem of existing mobile energy storage systems using a single logical means of controlling with preset fixed thresholds, lacking dynamic scenario identification, and resulting in low control accuracy. By fusing multi-source data to identify scenarios and optimizing control parameters across multiple targets, the method achieves precise adaptation of mobile energy storage to grid demands under all operating conditions, improving control accuracy and reliability.

The application discloses a photovoltaic sand control remote monitoring management method and system based on end-cloud cooperation and relates to the technical field of sand control management. The method comprises the following steps: collecting a space electric field intensity variation curve and a current sampling original waveform of a photovoltaic array periphery, performing alignment processing under the same time coordinate, extracting a current transient burr segment corresponding to an electric field intensity sudden increase interval, and forming an electric field disturbance correlation segment sequence; based on the electric field disturbance correlation segment sequence, calculating the synchronous transition rhythm between the space electric field intensity variation amplitude and the current transient burr amplitude, marking a current abnormal interval with a space electric field mutation characteristic, and generating an electric field coupling characteristic sequence. The application distinguishes between environmental electric field disturbance and real current abnormality by introducing the electric field coupling characteristic sequence and the slow-release observation interval, avoids transient burr false triggering of load reduction, and releases power limitation instructions in stages, thereby smoothing the power variation process, reducing the grid point frequency impact and improving the grid operation stability.

The invention discloses a semiconductor equipment control method, an engine and an equipment control system, and relates to the technical field of control, and the method comprises the steps: reading a scene configuration file through a scene loader, and carrying out the analysis to obtain scene model data; receiving an external system message sent by a preset communication service in the semiconductor equipment through a message receiver, and analyzing the external system message to obtain a message header parameter and a message body parameter; searching a process flow matched with the message header parameter from the scene model data or the process context data through the message processor, and transmitting the process flow and the message body parameter to a process processor; and executing the logic of each component in the process flow through the process processor. According to the application, the semiconductor equipment can be controlled to realize the service function through analysis of the semiconductor equipment control engine only by providing the scene configuration file containing the relevant information of the standard execution process, the implementation efficiency of the service process of the semiconductor equipment is improved, resource occupation is reduced, and the control reliability of the semiconductor equipment is improved.

The invention relates to the technical field of power electronics, in particular to a diesel generator test system control method based on a moving average filter, and the method comprises the steps: collecting an output voltage instantaneous value of a diesel generator in real time, and obtaining a voltage sampling sequence; inputting the voltage sampling sequence into a pre-constructed moving average filter; performing moving average processing on the input voltage sampling sequence through a moving average filter to obtain an output signal; generating a current command signal based on an output signal of the moving average filter; and according to the current instruction signal, driving the diesel generator test system to simulate a load with a specific power factor through current closed-loop control, and carrying out load simulation test on the diesel generator. The moving average filter is directly used for generating a current instruction of the test system, and the lag angle of the current instruction is linearly adjusted by adjusting the point number of the filter through the linear phase-frequency characteristic of the filter, so that the accurate and convenient control of the simulation load power factor of the diesel generator test system is realized.

The invention relates to the technical field of kitchen appliances, in particular to cooking equipment with a multifunctional probe and a control method thereof.The cooking equipment comprises a shell, a controller, a hot air circulation device and a probe device are arranged in the shell, and the hot air circulation device comprises a heating part and an air circulation assembly; the probe device comprises a probe body, a first temperature detection module and a moisture detection module, and the first temperature detection module and the moisture detection module are arranged in the probe body, located at the same position of the probe body and used for detecting food internal temperature information and food moisture content respectively. The controller controls operation of the hot air circulation device according to the food internal temperature information and the food moisture content. The temperature detection module and the moisture detection module are arranged at the same position of the needle body, so that the food internal temperature information and the food moisture content in the same area or the same position can be detected, the detection accuracy is improved, and accurate cooking is facilitated.

The utility model discloses a variable frequency motor heat radiation fault control system which comprises a variable frequency motor, a cooling fan is arranged at the rear end of the variable frequency motor, a temperature measuring element is installed on a winding of the variable frequency motor, and a detection signal of the temperature measuring element is transmitted to a control module through a signal processing module. The control module performs logic judgment on the received data signal and controls the start and stop states of the variable frequency motor according to a judgment result; according to the utility model, the temperature measuring element is adopted to carry out multi-point measurement on the working temperature of the winding of the variable frequency motor, so that comprehensive analysis on data of a plurality of temperature points is realized to judge the thermal state of the variable frequency motor; and in combination with an amplification noise reduction and compensation adjustment circuit of the signal processing module, the accuracy and stability of temperature data are ensured, and the judgment accuracy and control reliability of the system on the heat dissipation fault of the variable frequency motor are effectively improved.

The embodiment of the invention provides an air door switching unit, clothes processing equipment and a drying control method. The air door switching unit comprises a box body provided with an inner cavity, the shell wall of the box body is provided with a plurality of interface pairs, and each interface pair comprises a first interface and a second interface; the first air door is movably arranged in the inner cavity, a first flow guide window is formed in the first air door, and the first air door moves to enable the first flow guide window to be communicated with the first connectors of the different connector pairs in a switching mode; the second air door is movably arranged in the inner cavity, a second flow guide window is formed in the second air door, and the second air door moves to enable the second flow guide window to be communicated with the second connector of the different connector pairs in a switching mode; the first air door and the second air door are controlled to move, so that the first flow guide window is communicated with a first connector of a preset connector pair, the second flow guide window is communicated with a second connector of the preset connector pair, and the preset connector pair is any one of the multiple connector pairs. According to the invention, the switching precision of different interface pairs can be improved.

The present invention relates to the technical field of production line control, and discloses a production line intelligent control method and device based on multi-source information, the method comprising: obtaining target production information of a target product; obtaining product information and production equipment information of the target product; determining control parameters of a production line corresponding to the target product according to the target production information, product information and production equipment information, and controlling the production line to produce the target product according to the control parameters. It can be seen that the implementation of the present invention can determine the control parameters of the production line based on the target production information, product information and production equipment information of the target product, thereby realizing intelligent control of the production line, so that not only can the manpower and material resources required for the production line to produce the target product be reduced, but also the control reliability and accuracy of the production line can be improved, thereby facilitating the realization of an efficient production process for the target product.

This application relates to the field of intelligent control technology for construction machinery and discloses a monitoring and scheduling system for construction machinery based on data acquisition and control. This invention first confines externally perceived events to the controlled resource node layer for carrying, and then forms a model write-back permission result based on scheduling instructions, instruction action windows, and equipment-side response relationships. This enables the scheduling execution module to distinguish between equipment model writing, write blocking, and resource node state constraints. Through this control chain, externally perceived events only participate in equipment capability model updates when they form a closed relationship with the control response of a specific construction machinery. Events that do not meet the attribution conditions are used to restrict entry, waiting, detour, or data supplementation and other scheduling actions, thereby reducing the risk of regional operation evidence misleading equipment capability evaluation and subsequent task assignment, and enhancing the control reliability of centralized scheduling of construction machinery.

The application provides a fault processing method, a control system of an automatic driving vehicle and an electronic device, and the method comprises the following steps: in response to receiving a fault recovery instruction, acquiring fault data; in the case that a fault type corresponding to the fault data is a white list fault, performing a first fault clearing operation to obtain a first fault clearing result, the white list fault being a fault which does not affect the formation driving performance in the case that the automatic driving mode is not degraded; in the case that the first fault clearing result shows that there is fault data which is not successfully cleared, performing a second fault clearing operation on the fault data which is not successfully cleared, and the processing capacity of the second fault clearing operation is higher than that of the first fault clearing operation. Through the application, the technical problems of high labor cost, low efficiency and low safety and reliability of the fault recovery mode are solved, and the technical effects of completely unmanned operation of the following vehicle, reduction of labor cost, improvement of fault recovery efficiency and improvement of vehicle control reliability are achieved.

The application relates to the technical field of electric drive transmission equipment, and discloses a multi-stage planetary rotor group large-torque direct drive system and a control and assembly method thereof. The sealed high-strength load-bearing shell is integrally cast and has a completely closed high-pressure sealed cavity formed by being enclosed inside. The single-field excitation stator assembly is fixed to the inner wall of the load-bearing shell through a hot-pressing process, the stator core is uniformly provided with embedded grooves in the circumferential direction, three-phase distributed excitation windings are wound in the grooves, and the winding ends are subjected to insulation curing treatment. The axial multi-stage planetary rotor assembly is coaxially arranged along the central axis of the whole machine. The single-stator axial multi-stage planetary rotor coaxial series connection, magnetic field coupling and mechanical planetary composite transmission structure are adopted, the rotors at all stages share the same central output main shaft to realize step-by-step superposition of the torque, and the inter-stage non-magnetic-conducting magnetic shielding ring completely blocks the magnetic field cross talk. Compared with the combination of a traditional permanent magnet motor and an external speed reducer, the torque density, transmission efficiency and structural integration degree are significantly improved.

The invention relates to the field of generator power angle stability, and discloses an excitation synchronous generator power angle stability control method based on q-axis excitation, and the method comprises the following steps: S1, collecting a three-phase end voltage signal of a synchronous generator and d-axis and q-axis excitation current signals in real time; and S2, predicting future change of the power angle according to the change trend of the real-time power angle and load or short-circuit disturbance information to obtain a power angle prediction result, dividing power angle rising risks into different grades, and correcting by considering the influence of d-axis excitation on the power angle to determine an access strategy of q-axis excitation. According to the method, the real-time power angle can be accurately calculated and high-precision state information is provided for power angle prediction and excitation control by collecting the end voltage of the synchronous generator and d-axis and q-axis excitation current signals in real time and carrying out denoising, filtering and anomaly detection, so that the power angle control precision and the system stability are remarkably improved.

This utility model relates to the field of air conditioning unit technology, and in particular to a heat recovery system for air conditioning units and an air conditioning fresh air handling unit. The heat recovery system consists of a first heat recovery coil and a second heat recovery coil installed on both sides of the original air conditioning unit's surface cooler, forming a closed-loop system via circulation pipes and a power pump station. The first heat recovery coil efficiently recovers heat from the fresh air and reduces the load on the surface cooler, transferring the heat to the second heat recovery coil via the circulation pipes. The second heat recovery coil then uses the recovered heat from the fresh air to reheat the low-temperature air after dehumidification by the surface cooler, reducing the consumption of reheat steam and dehumidification chilled water. This structure fundamentally solves the energy offsetting problem caused by the "cooling and dehumidifying before heating" process in traditional air conditioning units, significantly reducing the unit's reheat energy consumption and the surface cooler's cooling load, achieving energy saving and emission reduction. Furthermore, an air conditioning fresh air handling unit with the aforementioned heat recovery system is also provided.

The present application discloses a fault identification and control method and a control device, and relates to the technical field of vehicle accessories. The fault identification and control method is applied to the control device, and the fault identification and control method comprises the following steps: controlling the information collection component to work according to the set information collection rules, and obtaining the collection signal transmitted by the information collection component; determining the state information of the working device according to the collection signal, and the working device includes at least one or a combination of multiple of a power distribution device, a lodging mechanism, a lifting mechanism, a leveling device, and a liquid cooling device; when it is determined that the corresponding working device is abnormal according to the state information of the working device, the corresponding fault response instruction is output to the abnormal working device, and the generated corresponding abnormal information is transmitted to the host computer; when it is determined that the working device is not abnormal according to the state information of the working device, the state information is transmitted to the host computer according to the set transmission cycle. It is used to timely discover the abnormality and improve safety.