851 results about "Control manner" patented technology

The invention relates to the technical field of lime kiln control, and discloses a lime kiln partition intelligent temperature control system and a storage medium, and the system comprises a data collection unit which is used for collecting state data of each region of a lime kiln; the working condition recognition unit recognizes working conditions based on the state data; the temperature control unit is provided with a PID (Proportion Integration Differentiation) control strategy and a prediction control strategy, and the opening degrees of the fuel regulating valves and the air regulating valves in different areas in the lime kiln are calculated according to the corresponding control strategies selected on the basis of working conditions; the discharging control unit is provided with a balance control strategy, the balance control strategy obtains the current discharging speed through the current productivity of the lime kiln and the material level height in the lime kiln, and the execution unit correspondingly controls the lime kiln according to the control quantity. The method effectively solves the problems of difficulty in multi-area coordination, poor working condition adaptability, high energy consumption and the like in a traditional control mode, and has the remarkable advantages of improving the temperature control precision, ensuring the production stability and reducing the energy consumption.

The invention discloses a deep sea underwater integrated electro-hydraulic actuator system adopting pump and valve combination. The deep sea underwater integrated electro-hydraulic actuator system comprises a hydraulic cylinder, a pump control assembly and a valve control assembly. The pump control assembly comprises a metering pump, a first switch valve and a second switch valve; the valve control assembly comprises a large-flow proportional valve, a small-flow proportional valve, a deep sea compensation energy accumulator and a third switch valve. The metering pump, the first switch valve and a rod cavity of the hydraulic cylinder are sequentially connected through a pipeline, the metering pump, the second switch valve and a rodless cavity of the hydraulic cylinder are sequentially connected through a pipeline, the metering pump, the third switch valve and the deep sea compensation energy accumulator are sequentially connected through a pipeline, and the rodless cavity of the hydraulic cylinder is connected with the large-flow proportional valve and the small-flow proportional valve through pipelines. Two control modes of the actuator can be completed, large-flow control is achieved through the pump control assembly, high efficiency and energy conservation are achieved, flow needed by maintenance is supplied to a rodless cavity of the actuator through the valve control assembly via the large-flow proportional valve and the small-flow proportional valve, and posture keeping and emergency action are achieved.

The invention discloses a multi-device and multi-mode centralized control system which comprises an interaction control end and a device assembly. The interactive control end is configured according to three different control modes of centralized control, independent control and hybrid control, in the centralized control mode, a set of main control unit is configured for all devices, and the main control unit comprises a main control server which is used for operating a main control program and coordinating and controlling operation of all device components; in the independent control mode, each equipment component is provided with a corresponding embedded controller, and the embedded controller comprises an embedded control server which is used for operating a main control program for controlling the corresponding equipment component; in the hybrid control mode, one or more independent devices are provided with embedded controllers, the embedded controllers communicate with the main control server, the device assembly comprises a device body and a driving unit, and the device body is driven by the driving unit to achieve various operation functions. According to the invention, centralized control of multiple devices in a large-scale manufacturing factory can be realized.

The invention discloses an intelligent closed-loop control system for a passivation solution in a hot galvanizing process, particularly relates to the technical field of industrial process automatic control, and is used for solving the problem of large parameter fluctuation caused by the fact that an existing passivation solution control mode lags behind intermittent production takt change. A signal monitoring module identifies a production cycle and calculates an estimated compensation value, an entropy weight generation module generates a weight distribution coefficient based on symbol sequence information entropy, and a data fusion module fuses the estimated compensation value and real-time monitoring data to generate a cooperation instruction. The trajectory prediction module simulates and generates a virtual change trajectory and a dynamic envelope line thereof according to the instruction, the envelope monitoring module monitors the running state of the real trajectory in the envelope line in real time, and the execution early warning module executes the instruction or generates an early warning signal according to the monitoring result. According to the system, prospective prediction and self-adaptive control of parameters of the passivation solution are realized, and the control precision and stability are effectively improved.

The invention discloses grinding and polishing equipment for the inner wall of a pipe workpiece. The grinding and polishing equipment comprises a rack, a workpiece rotating and supporting mechanism, a grinding mechanism, a radial feeding mechanism, an axial moving mechanism, a workpiece stabilizing mechanism and an electric control system. The grinding assembly is a flexible grinding wheel formed by splicing a plurality of arc-shaped grinding pieces, a pneumatic motor drives the flexible grinding wheel to rotate at a high speed to serve as main cutting motion, constant-pressure contact control is achieved through a radial feeding mechanism, abrasion of the grinding wheel can be compensated in a self-adaptive mode through the control mode, and it is guaranteed that the grinding pressure is stable; therefore, the reference size of the workpiece is protected to the maximum extent while the defects of the inner wall are effectively removed, the problem of size out-of-tolerance caused by uneven pressure or abrasion in traditional rigid grinding is avoided, constant-pressure, efficient and high-quality grinding is guaranteed, and the grinding and polishing efficiency and quality of the inner wall of the pipe workpiece are effectively improved.

The invention discloses a rock shear seepage coupling true triaxial test system, which relates to the technical field of rock mechanical tests, and comprises a host, a sigma 1 / sigma 2 direction loading module, a sigma 3 direction confining pressure module, a pressure chamber auxiliary system, a sample clamp, a pore water seepage system, a temperature system, a control module and a data acquisition and processing module, through servo closed-loop linkage double-pump loading in the sigma 1 / sigma 2 direction, synchronous output of the double pumps and coordination of pressure supply of the two oil cylinders by the controller, a strain correction algorithm is combined, stability of a stress loading center is guaranteed, strain measurement accuracy is improved, confining pressure is accurately controlled in the sigma 3 direction through a double-balance pressure chamber and a pressure regulation algorithm, and the stress measurement accuracy is improved. The pressure chamber is in full-automatic operation, manual steps are omitted, errors are reduced, efficiency is improved, a stress-free blank angle clamp eliminates friction interference, a seepage system supports a double-loading mode, a control module achieves multi-control-mode impact-free switching, a data processing module is combined with an elastic modulus calculation algorithm, rock mechanical parameters are accurately obtained, and the multi-field coupling test requirement is met.

The invention relates to the technical field of freeze-drying control, and discloses an automatic control method and system for freeze-drying, rotating and pre-freezing. According to the method, a freeze-drying process dynamic model is constructed by monitoring operation parameters in a rotary pre-freezing stage, and characteristic indexes of the freeze-drying process dynamic model are analyzed; comparing the index with a standard reference value to generate a deviation analysis result, mining abnormal signals, screening key control points, monitoring environmental parameters in real time, and calculating response coefficients of the environmental parameters influencing the key control points; evaluating a potential fault mode based on the response coefficient, positioning a fragile link in the process, and carrying out performance detection to find out a specific problem point; formulating a control planning target according to the problem point, analyzing a corresponding control mode, querying a standard of the control mode, and generating a control operation instruction according to the standard; after the instruction is applied to equipment execution control, freeze-dried product quality data is collected for consistency verification, and finally a process quality report is generated. According to the method, multi-dimensional monitoring, fault early warning and accurate regulation and control of the freeze-drying, rotating and pre-freezing process are achieved.

The invention provides a motor detection method and device, electronic equipment and a storage medium, and the method comprises the steps: controlling a motor to operate under a first identification parameter, and calculating a phase resistance value of the motor under the first identification parameter; controlling the motor to operate under a second identification parameter, and collecting a sinusoidal current response signal of the motor under the second identification parameter; calculating a d-axis inductance value and a q-axis inductance value based on the sinusoidal voltage excitation signal, the sinusoidal current response signal and the phase resistance value; the motor is forcibly dragged in a current-frequency ratio control mode, so that the rotating speed of the motor is increased to the target rotating speed; and calculating the flux linkage coefficient by combining the steady-state voltage and the current value of the motor at the target rotating speed with the d-axis inductance and the q-axis inductance. According to the method, the detection precision of the motor parameters can be improved.

The invention discloses a data use control method and system based on a smart contract, and relates to the technical field of data use control, and the system comprises an identity authentication module, a data classification and grading module, a data sandbox module and an evidence storage traceability module. Performing identity authentication on a user request of a data user based on an authentication protocol; performing classification rating on the accessed data; the data user and the data provider negotiate a contract signing detailed rule; the data user and the data provider sign a block chain smart contract; deploying the intelligent contract to a data sandbox, performing authority evaluation and distribution on the user, and performing behavior monitoring on the user; when the data user violates the signed smart contract, terminating the data access permission of the user, and calling the data sandbox to execute operation according to the contract signing content; logs are automatically generated, data access and use circulation are traced in the whole process, and it is ensured that data can be traced, audited and managed from authorization to use. According to the invention, the security and credibility of data circulation are guaranteed in a data transmission use control mode with decentration and multi-party cooperative participation.

The invention relates to the field of industrial automation process control, and discloses a self-adaptive cooperative control system for industrial fluid pipe network valve nodes, which comprises control units distributed at the pipe network nodes, and the control units monitor target adjustment increment of controlled units and broadcast forecast signals. According to the method, the characteristic that the transmission speed of an electric signal is higher than the conduction speed of physical disturbance is utilized, the reverse feed-forward compensation amount is calculated and superposed according to a preset neighborhood influence weight table before the physical disturbance reaches an associated node, a digital reflex arc faster than physical response is constructed, the qualitative change of a control mode from lag correction to advanced immunity is realized, and the stability of the control mode is improved. Interlocking oscillation caused by the coupling effect of the multi-node network is suppressed, the load of the communication bus is ensured to be in a self-adaptive adjustment state while low computing power overhead is maintained, and the control real-time performance of large-scale networking is improved.

A control method for suppressing an overvoltage of the receiving end hybrid modular multilevel converter with full-bridge submodules and half-bridge submodules (F / HMMC) under the fault at the receiving-end alternating-current (AC) system of the hybrid high-voltage direct-current (HVDC) transmission system. After a short-circuit fault occurs in a receiving-end AC) system of the hybrid HVDC transmission system, an AC voltage drop is generated, and the effective voltage of the receiving-end AC bus at the current time is measured. Because the hybrid modular multilevel converter (MMC) is capable of actively decreasing the DC voltage for operation, on a premise of ensuring that its output current is always within a rated current range, a control manner of setting the reference DC voltage and making the reference DC voltage not greater than the effective voltage of the AC bus enables receiving end power to be sent out, thereby suppressing an overvoltage of the receiving-end F / HMMC.

A method for operating a drive unit of an electric bicycle includes (i) determining a rider torque signal, which is based on a rider torque generated by way of muscle power of a person riding the electric bicycle, (ii) first filtering of the rider torque signal by way of a first low-pass filter, (iii) second filtering of the rider torque signal by way of a second low-pass filter, and (iv) generating, in a controlled manner, a motor torque by way of the drive unit as a function of the rider torque signal filtered by way of the second low-pass filter.

The invention discloses a wing-shaped sail split floating aircraft and a flight control method thereof. The problems that an existing floating aircraft is large in energy consumption and complex in control mode are solved. The airfoil-shaped sail split floating aircraft comprises a ship-shaped main body, a plurality of sails are arranged on the upper portion of the ship-shaped main body, and a manned cabin is arranged on the lower portion of the ship-shaped main body; a power strip type air bag mechanism, a fixed type air bag mechanism and a lifting control air bag mechanism are arranged in the ship-shaped main body, a wind power propeller is arranged on the ship-shaped main body and provides thrust for steering and horizontal movement, and the wing-shaped sails provide assistance for horizontal flight. According to the ship-shaped aircraft, a large number of independent split helium-filled air bags are integrated into the ship-shaped aircraft body, and the flight safety coefficient is increased; the suspension of the aircraft in the air is realized through the balance weight of the power strip type variable air bag at a balance state critical value; the expansion volume change of the air bag is changed by pressing and releasing the air bag to control the lifting of the aircraft; through coupling of the control systems, the aircraft can fly safely, stably and flexibly with low energy consumption.

The invention relates to the technical field of municipal water supply, in particular to an intelligent regulation and control method for direct connection type pipe network pressure-superposed water supply equipment, and the method comprises the steps: extracting the structure and operation feature information of the pressure-superposed water supply equipment and a pipe network connected with the pressure-superposed water supply equipment through a water supply knowledge graph, and building a digital twin hydraulic model; performing simulation calculation and evaluation on hydraulic response of the candidate regulation and control actions in a preset prediction time domain in each regulation and control period, and constructing a first safety constraint based on a negative pressure risk index and a water attack risk index; meanwhile, anti-fact reasoning is conducted on candidate regulation and control actions on a working condition causal graph model, a second safety constraint and strategy prior are constructed in combination with a predefined accident chain, and a safety action domain is limited from physical simulation and working condition causal double-layer constraint; regulation and control actions possibly causing safety incidents such as negative pressure, water hammer or pipe explosion can be recognized and eliminated in advance before control issuing, and compared with a traditional control mode only based on in-situ pressure regulation or an empirical threshold value, the water supply safety risk can be remarkably reduced.

The invention discloses a dexterous hand grabbing stability control system and method based on force control compliant interaction.The system comprises a dexterous hand, a mechanical arm, a force sensing module, a touch sensor, an actuator and an upper computer actuator, the dexterous hand is installed at the tail end of the mechanical arm through a mechanical interface, and the dexterous hand and the mechanical arm form a cooperative control closed loop through real-time communication; according to the control mode of the dexterous hand grabbing stability control system, the upper layer completes object positioning and global motion planning through a mechanical arm, the lower layer completes a layered collaborative architecture of contact perception, compliant control and task action execution through a dexterous hand, and compliant grabbing and stable control over objects are achieved. The mechanical characteristics in the grabbing process can be adjusted in a self-adaptive mode, it is ensured that objects with different hardness are stably and smoothly grabbed, and the problem that the objects slide or are damaged is effectively solved.

The invention provides a brushless fan assembly adaptive to a brush control mode and an automobile cooling system. The brushless fan assembly comprises a brushless fan unit, a brush control unit and a control unit, the compatible interface unit is matched with an input interface unit of an original brush fan assembly of the automobile so as to receive the gear control signal; the gear identification unit responds to the gear control signal and outputs a corresponding gear identification signal; and the brushless control unit is respectively connected with the gear identification unit and the brushless fan unit, responds to the gear identification signal and generates a corresponding driving signal so as to control the brushless fan unit to operate at a target operation gear corresponding to the brush fan assembly. According to the technical scheme, on the premise that an original automobile cooling control unit and control logic thereof are not changed at all and original automobile wire harnesses are not changed, direct replacement and plug-and-play of the brushless fan assembly with better performance to the brush fan assembly are achieved, the requirement for convenience of automobile after-sale maintenance is met, and after-sale maintenance cost and operation difficulty are reduced.

The invention relates to a method for active dynamic braking of an elevator system (100). The method includes detecting (310) a dynamic braking condition, acquiring (320) speed data representative of a speed of the elevator car (102), and activating (340) an active dynamic braking operation for dynamically braking movement of the elevator car if the acquired speed data indicates (330) that the speed of the elevator car reaches a predetermined monitored speed level. The active dynamic braking operation includes operating a motor inverter of an elevator drive unit of an elevator system by switching a high-voltage side switch and a low-voltage side switch of the motor inverter in a controlled manner such that a rotating field is generated in a stator winding of a traction motor, therefore, the rotation of the traction motor is dynamically braked, and the movement of the elevator car is braked. The invention also relates to an elevator drive unit, an elevator system, a computer program and a computer readable storage medium.

The embodiment of the invention provides a method and equipment for dynamically adjusting a motion control mode based on an intraoperative visual field environment, a medium and a program product, and relates to the field of intelligent medical treatment. The method comprises the following steps: acquiring an intraoperative view image and a preset basic force threshold value according to the tissue type of a to-be-operated site; calculating an intraoperative tissue real-time deformation rate based on the intraoperative view image, and calculating a real-time force safety threshold according to a preset basic force threshold and the tissue real-time deformation rate; receiving real-time contact force of the instrument and the tissue, comparing the real-time contact force with a real-time force safety threshold value, and if the real-time contact force is smaller than or equal to the real-time force safety threshold value, outputting an instruction of damping force in direct proportion to the real-time contact force; if the real-time contact force is larger than the real-time force safety threshold value, an emergency braking program instruction is output. According to the method, factors, such as tissue deformation and illumination change, which cause instability of the surgical field of view in the surgical environment are introduced, so that the environmental adaptability and dynamic adjustment of the field of view mechanism in the robot-assisted surgical operation process are improved.

The invention is suitable for the technical field of liquid cooling systems, and provides a liquid cooling CDU online control method and device, a group control system and a data center. The method is suitable for a liquid cooling CDU group control system comprising a plurality of online liquid cooling CDUs, and the liquid cooling CDUs are host machines or slave machines. The method comprises the following steps: when a host detects that any running slave is offline and a standby machine exists, controlling the standby machine to start, and controlling a running liquid cooling CDU to run with the same preset running parameters; the off-line slave is started and stopped according to the number of liquid cooling CDUs needing to be operated recorded before off-line; and when the host detects that any running liquid cooling CDU sends out a fault alarm and a standby machine exists, the standby machine is controlled to be started, and the liquid cooling CDU sending out the fault alarm is controlled according to the level of the fault alarm. Different control strategies are adopted for different faults, a one-step control mode is avoided, stable and reliable operation of the liquid cooling CDU group control system is effectively maintained, and cooling and heat dissipation of the data center are guaranteed.

The invention relates to the technical field of cooling tower energy-saving control, and discloses a closed cooling tower energy-saving control system, which comprises a multi-dimensional sensing module, an intelligent decision module, a precise execution module and a self-diagnosis optimization module, and is characterized in that the multi-dimensional sensing module acquires target parameters in real time and transmits the target parameters to the intelligent decision module; the intelligent decision-making module analyzes and processes the collected parameters and outputs a control instruction based on a preset working condition classification rule in combination with the dynamic energy efficiency model and the dual-threshold judgment logic; the precise execution module adjusts the operation state of a core component of the closed cooling tower according to the control instruction and feeds back real-time operation data to the intelligent decision module; the self-diagnosis optimization module monitors the equipment state based on feedback data, the system can flexibly adjust the operation state according to environment parameters and heat exchange loads through cooperative frequency conversion adjustment of a draught fan and a spraying pump and a dynamic adaptation strategy according to different working conditions, and compared with a traditional fixed rotating speed control mode, the comprehensive energy consumption of the closed cooling tower is effectively reduced.

Disclosed are systems and methods that offload the work traditionally performed by a thick software client operating on each container instance of a cloud provider network with a thin and generalized agent that can be instructed in a piece-wise manner to perform operations as instructed by a workload manager executing on a control plane that is separate from the container instance. The workload manager, executing on the control plane of a cloud provider network, may precompute a set of operations and order of execution of those operations in the control plane and present those operations in a controlled manner to the agent that executes each operation as instructed. The agent executing on the data plane, rather than polling an orchestrator for work and then establishing the runtime environment based on a received Application Specification, awaits an operation or task that is pushed to the agent from the control plane.

The embodiment of the invention provides a PLC (Programmable Logic Controller)-based high-power wind turbine generator control method and a PLC-based high-power wind turbine generator control system, which are used for carrying out short-time prediction on future wind speed on the basis of a time sequence model and generating a feed-forward compensation pitch angle in combination with system delay so as to actively cope with upcoming wind speed disturbance, so that the reactive defects of traditional control are fundamentally overcome. According to the prospective control mode, the response speed and the control precision of the variable pitch system can be remarkably improved, the power and rotating speed overshoot caused by the large inertia characteristic is effectively restrained, the output power is smooth, and therefore the overall operation life of a unit is prolonged, and the power generation efficiency and the power grid friendliness are improved.

The invention discloses a distributed optical storage diesel charging micro-grid cooperative control system, which belongs to the technical field of micro-grid control, and comprises a cloud end and an application end, and is characterized in that the cloud end comprises a regional basic analysis module and a regional management module; the application end comprises a basic analysis module, a comprehensive analysis module and a control module; the area basic analysis module is used for carrying out area division to obtain a plurality of planning areas; the region management module is used for performing power utilization planning on each planning region and determining expected power data of each micro-grid in the planning region; the basic analysis module is used for carrying out real-time analysis on the micro-grid to obtain various operation control modes and priority values, and the comprehensive analysis module is used for analyzing each operation control mode to obtain a target control mode and sending the target control mode to the control module; and the control module is used for performing operation control on the micro-grid according to the received target control mode.

The invention provides an intelligent control method, device and equipment for a steam crosslinking room and a medium, and relates to the technical field of intelligent control, and the method comprises the steps: collecting temperature, steam and humidity parameters in real time to form a multi-parameter observation vector with synchronous time; establishing a dynamic heat conduction model for describing the nonlinear coupling relation of the temperature, the steam flow and the thermal inertia; pID parameter output control quantity is adaptively adjusted based on the temperature deviation and the error change rate, a future temperature track is predicted by using the model, and an objective function is optimized under constraint conditions to obtain an optimal control increment; and combining the temperature deviation energy integral, the steam energy consumption and the temperature fluctuation variance to construct a multi-target optimization function to dynamically adjust the weight and output a target control signal. According to the method, the problems that a traditional control mode lacks nonlinear modeling and predictive compensation capability, temperature fluctuation is easily caused, a thermal field is uneven, and material performance is unstable can be solved.

The invention discloses an intelligent closed-loop control system and method for dosing in a water plant. An integrated sensing unit of the system is used for synchronously acquiring an electrochemical impedance spectrum signal reflecting a floc coagulation state and a fluid entropy change signal reflecting mixed energy efficiency in situ; the control unit is used for extracting dielectric characteristic parameters and entropy yield parameters from the signals, inputting the dielectric characteristic parameters and the entropy yield parameters into a neural network model trained through reinforcement learning to generate a dosing control instruction, and can adaptively switch among a direct control mode, an online self-calibration mode and a safety keeping mode based on the entropy yield change rate or the signal quality; and the execution unit is used for executing the instruction to adjust the dosage. By directly sensing the micro state of the coagulation process and utilizing the intelligent model to make a decision in real time, the problems of lagging and strong model dependence of a traditional control mode are solved, second-level real-time accurate regulation and control are realized, the medicine consumption and the energy consumption are remarkably reduced, and the adaptability and the reliability of the system under complex working conditions are improved.

The invention relates to a temperature control method and system for self-tuning PID parameters based on hysteresis control. The method comprises the following steps: initializing a temperature control system; designing a dynamic power adjustment strategy and carrying out oscillation test on the temperature control system by adopting a hysteresis control mode based on the strategy; carrying out preliminary self-tuning on parameters of the PID controller; designing a center point compensation mechanism; a dynamic power adjustment strategy and a center point compensation mechanism are combined, an improved PID control algorithm is executed to carry out real-time temperature control circulation, and the heating power is adjusted; and performing exception processing. Accurate adjustment is carried out by compensating the deviation between the temperature of the central point of the oscillation ring and the target temperature, the temperature deviation in traditional PID control is effectively eliminated, the debugging time and complexity are remarkably reduced, the system adaptability is enhanced, the response speed is increased, the problem that the control temperature is lower than the set temperature in the traditional PID control is effectively solved, and the control precision is improved.

The embodiment of the invention provides a power distribution cabinet intelligent spare power switching and overload management and control method and system, and the system comprises a multifunctional instrument which is used for detecting the current and voltage of an incoming line of a current system and a circuit breaker position contact signal, and carrying out the output of detection data based on a preset communication protocol and a preset communication standard; the programmable logic controller is in communication connection with the multifunctional instrument, and is used for identifying and reading the detection data of the multifunctional instrument, executing spare power switching based on the detection data, and determining whether to unload the three-level load of the transformer or not to generate and output a control instruction based on the current load of the transformer and a preset load threshold value; and the touch screen man-machine interface is in communication connection with the programmable logic controller and is used for responding to the control instruction to switch among different control modes and reserving the IP address setting of the multifunctional instrument and the removal configuration function of the three-level load. The system improves the intelligent control level and the operation and maintenance efficiency of the power distribution system.

A kind of control cabinet and switchgear commissioning auxiliary device, including hollow fixed pipe, two strip grooves are symmetrically provided on fixed pipe, strip groove is connected with the inside of fixed pipe, the inside of fixed pipe is equipped with threaded rod, two ends of threaded rod pass through fixed pipe and protrude to outside, and one end of threaded rod is coaxially provided with a hand wheel;Threaded rod is equipped with two sections of thread of opposite direction, and two movable blocks are respectively set on corresponding thread. The lower of fixed pipe is symmetrically equipped with two suction mechanisms, the suction mechanism includes two symmetrically arranged movable blocks, the lower of movable block is equipped with hollow connecting rod, connecting rod passes through strip groove, and the bottom of connecting rod is equipped with suction disc. Connecting rod has cylindrical inner cavity, and the inner cavity of connecting rod is communicated with the suction cavity of suction disc, a reset spring and a piston assembly are sequentially arranged in the inner cavity of connecting rod from top to bottom. The device can control suction disc to be adsorbed on drawer or separated from drawer by single hand, and the control mode is simple and convenient.

The invention discloses a self-configuration method and device of an electric bed controller and a storage medium, relates to the technical field of Internet of Things and intelligent device configuration, and discloses the self-configuration method of the electric bed controller, which comprises the following steps: controlling each push rod motor to execute a calibration stroke from a complete contraction position to a complete extension position, determining the maximum stroke of each push rod motor; when an adjusting instruction is received, an adjusting mode corresponding to the adjusting instruction and a target percentage stroke are determined, and the target percentage stroke is the proportion of the target position of the push rod relative to the maximum stroke; according to the target percentage stroke and the adjusting mode, a push rod instruction value corresponding to the push rod motor is generated, and the push rod is driven to run to the push rod position corresponding to the target percentage stroke according to the push rod instruction value. According to the method, the actual maximum stroke of each push rod motor is obtained, and a percentage control mode is adopted, so that the controller can adapt to intelligent furniture of different structures without presetting parameters, and the universality of the controller is improved.

The application provides an air conditioner control method and device and an air conditioner. The method comprises the following steps: acquiring the voltage value and the current value of the power line in the air conditioner in real time, correcting the original current protection value according to the voltage value and the voltage threshold to obtain a current protection correction value; controlling the frequency of the compressor in the air conditioner according to the current value and the current protection correction value, and in the control process, if the voltage value meets the starting condition and the starting instruction of the preset mode is acquired, the air conditioner is controlled to operate according to the preset mode; wherein the preset mode is used to represent the operating mode of the maximum current value. In the above control mode, the original current protection value is corrected according to the voltage value, and the frequency of the compressor is adjusted according to the current value and the current protection correction value, so that the current is effectively protected without increasing the cost. In addition, the preset mode ensures the refrigeration or heating effect of the air conditioner, and improves the user comfort.