275 results about "Cycle control" patented technology

The invention provides a single-tube boost PFC circuit control method and system for single-cycle control, and relates to the technical field of data processing, and the method comprises the steps: generating a self-adaptive PWM control signal according to a duty ratio adjustment amount and a frequency compensation factor, and dynamically limiting the pulse current amplitude of a power switch tube through a peak current prediction algorithm, a load current change rate is generated based on the real-time relevance between the pulse current amplitude and the load current; setting a first monitoring point in a dynamic duty ratio change path of the PWM control signal, and extracting a duty ratio change rate and a switching frequency fluctuation parameter in real time; setting a second monitoring point in a feedback path of a load current change rate, and extracting a load current slope characteristic and a transient change amplitude in real time; and based on the parameters of the first monitoring point and the second monitoring point, generating a correction factor through a dynamic response correlation model. According to the invention, a high power factor can be realized under wide input voltage and load fluctuation.

The invention relates to an equipment flexible resistance adjustment servo control method and system, and the method comprises the steps: obtaining resistance torque data and a periodic control instruction of target equipment, carrying out the expansion estimation of disturbance parameters, and obtaining the total disturbance torque data and load equivalent stiffness information of a system; acquiring servo motor data of the target equipment, performing multiple feed-forward compensation on the total disturbance torque data of the system to obtain anti-interference feed-forward compensation data, and performing stiffness reference adjustment in combination with the load equivalent stiffness information to obtain a feed-forward reference coefficient; performing torque parameter coupling on the anti-interference feed-forward compensation data according to the feed-forward reference coefficient to obtain rigidity compensation torque data; and according to the servo motor data, the feedforward reference coefficient and the rigidity compensation torque data, performing instruction construction to obtain a servo control instruction. According to the invention, the dynamic characteristics of the system under complex working conditions can be evaluated more accurately, and the precision of servo control is improved.

The invention belongs to the technical field of front-end development, and particularly relates to a React framework-based tree component optimization method fusing virtualization rendering and increment rendering. Comprising the steps of S1, data preprocessing; S2, dynamic virtualization rendering: dynamically calculating a node index range in a visible area according to a real-time scrolling position of a user viewport, only rendering nodes in the range, and realizing seamless lazy loading of data through scrolling event monitoring; s3, intelligent incremental updating: identifying changed nodes through a state change comparison algorithm, and executing local re-rendering only for the changed nodes based on a component life cycle control mechanism of a React framework; and S4, lazy loading cooperative control. The method aims at solving the problems in the aspects of performance, memory management, user experience and the like when a tree component in a React ecological system processes large-scale data, and is widely applied to various Web application program development scenes needing to display and operate a large-scale tree data structure.

The invention discloses an engineering plastic extrusion control system, and relates to the technical field of plastic processing, and the engineering plastic extrusion control system comprises the following steps: obtaining basic configuration information and a denaturation threshold value of target engineering plastic; determining a second constraint condition based on basic configuration information by taking a denaturation threshold as a first constraint condition, and supervising and training an optimization control module in combination with the basic configuration of the extruder; an extrusion task is read, extrusion full-cycle control analysis under constraint condition limitation is carried out in combination with an optimization control module, and a dynamic extrusion scheme is determined; executing a dynamic extrusion scheme, and determining a feedback regulation threshold value; carrying out extrusion state evaluation on an extrusion channel of an extruder, and positioning a feedback regulation point by combining with a feedback regulation threshold value with mold-based molding and curing state evaluation; and based on the feedback regulation point, performing feedback extrusion regulation based on the extrusion control system. The technical problems of low control precision, poor stability and low intelligent degree in the prior art are solved, and the technical effect of improving the engineering plastic extrusion quality and efficiency is achieved.

A system and a method for controlling a propulsor assembly of an electric aircraft. The system may include an electric motor, wherein the electric motor may include a rotor and a stator, a propulsor driven by the electric motor configured to propel an electric aircraft. The propulsor may include a propeller. The propeller may include a blade. The system may include a cyclic control assembly configured to deflect the blade. The cyclic control assembly may include an actuator and a push rod mechanically connected to the actuator and the propulsor. The system may include a flight controller. The flight controller may be configured to receive sensor datum from at least a sensor communicatively connected to the electric aircraft, generate a deflection command as a function of the sensor datum and actuate the cyclic control assembly as a function of the deflection command.

The invention discloses a vibration feedback control method, an intelligent cabin, a vehicle and a storage medium, and relates to the technical field of vehicles, the vibration feedback control method is applied to the intelligent cabin comprising intelligent touch control equipment, and specifically comprises the steps that the vehicle state of the vehicle is detected; if it is detected that the vehicle state is a driving state, determining a real-time road condition type corresponding to a target road on which the vehicle is driven; and determining a target vibration feedback period according to the real-time road condition type, and controlling the intelligent touch equipment to provide vibration feedback based on the target vibration feedback period. The technical effect that the intelligent touch control equipment outputs the vibration feedback matched with the road condition is achieved, it is ensured that passengers can feel proper vibration feedback under different road conditions, and the riding experience of the passengers is further improved.

The invention relates to the technical field of computer software development and application deployment, and discloses a mobile terminal productization configuration method and system.The method comprises the steps that a cross-platform development framework and a front-end framework are selected and configured; common parts in page logic are extracted into independent modules, and differential requirements in different environments are met in a parameterization mode; loading a corresponding configuration file according to a target environment, wherein the target environment comprises a development environment and a production environment; defining a mapping relation between the input path and the output path, and dynamically synchronizing the function file under the input path to the output path in the construction process; and controlling the synchronization logic of the configuration file and the code file through the life cycle of the plug-in, wherein the synchronization logic comprises real-time monitoring in a development environment and one-time synchronization in a production environment. According to the method, the problem that customization and productization are difficult to consider in a traditional development mode is solved, and the development efficiency and the convenience of later maintenance are improved through a systematic technical means.

The invention belongs to a non-traditional machining electric spark machining technology in the field of manufacturing, and discloses an electric spark multivariable self-adaptive efficient machining control system. The control system comprises an interelectrode discharge pulse distinguishing module, a gap machining state detection module, a gap environment machining state detection module, a gap voltage control module, a cutter lifting period control module and a pulse interval duration control module. By means of the method, the breakdown strength of spark liquid can be effectively maintained under various machining conditions, the probability of abnormal discharge is reduced, the machining process is stable, the discharge efficiency and the machining efficiency are high, and by establishing a corresponding machining process mathematical model and a control strategy, according to the machining condition of the discharge gap, the machining efficiency is improved. The optimal electric gauge calibration parameter configuration under the current machining condition is obtained, the electric gauge calibration parameters are adaptively changed and controlled in real time, and therefore the stable and efficient machining purpose is achieved.

The invention discloses an immersed liquid cooling heat dissipation circulation control system, and belongs to the technical field of heat dissipation of electronic equipment. The system is composed of an electronic equipment cooling cabinet, a heat exchanger, a self-adaptive variable frequency pump, a flow sensor, a temperature sensor, a pressure sensor, a self-adaptive adjusting valve, an outdoor heat dissipation unit and a system master control unit. And the controller adjusts the self-adaptive variable frequency pump, the outdoor heat dissipation unit and the self-adaptive adjusting valve, and finally the temperature of the electronic equipment can be kept within a controllable range constantly, and the flow of the electronic equipment deployment cavity, the total flow of the electronic equipment deployment side and the flow of the outdoor heat dissipation unit are controlled. Normal operation of electronic equipment with different calorific values can be guaranteed, the service life is prolonged, and meanwhile the energy utilization efficiency is improved.

The invention relates to the technical field of intelligent air conditioners, and discloses an air conditioner control method and device, an air conditioner and a storage medium. The air conditioner compressor comprises a bypass electronic expansion valve. The method comprises the steps that under the condition that it is determined that the air conditioner compressor is in deloading operation, the current pressure ratio between the current exhaust pressure and the current suction pressure of the compressor is obtained, and the current guide vane valve opening degree of an air inlet guide vane of the compressor is obtained; under the condition that the compressor is determined to be in a noise control mode according to the current pressure ratio, the current opening degree of the guide vane valve, the current water temperature and the current load state of the compressor, the current initial opening degree and the current maximum opening degree of the bypass electronic expansion valve are determined according to the current pressure ratio; and after the bypass electronic expansion valve is adjusted to the current initial opening degree, the bypass electronic expansion valve is controlled to increase operation until the current maximum opening degree is reached in a first set period. Therefore, the noise caused by the air inlet guide vane in the deloading operation process of the air conditioner is reduced.

A plastics processing system is described. This system comprises at least one plastics processing machine (100) and a control and operating system (10) for controlling and operating this plastics processing machine (100). The control and operating system includes a cycle control unit, which, in a production mode, controls the plastics processing machine at least indirectly and which, for this purpose, uses a first computing unit (20) equipped with a first operating system. Furthermore, the control and operating system includes a first interface device (30), which has at least one first input device, at least one visualization device, and a second computing unit (34) equipped with a second operating system and in communication with the first input device and the visualization device. The first computing unit (20) and the second computing unit (34) communicate via A bidirectional first communication device (36) is provided. This allows the plastics processing machine (100) to continue operating even if the first interface device (30) fails, for example, to process an existing production order. To ensure minimum communication with the cycle control system even if the first interface device (30) fails, a second interface device (50) is also provided, which has at least one second input device (52). The signals generated by the second input device (52) are transmitted to the first processing unit by means of a second communication device (54) that operates at least unidirectionally.

The invention belongs to the technical field of active magnetic suspension bearings, and discloses a single-cycle delay compensation method and device for a magnetic suspension bearing switch power amplifier, and the method comprises the steps: building a unipolar single-cycle control mathematical model, and calculating the duty ratio of a single cycle; setting a state switching criterion of a charging and discharging period, and judging a charging and discharging state of a single period; and establishing a linear duty ratio prediction model, calculating a linear derivation duty ratio dt and a calculation duty ratio dj to obtain a total duty ratio of a corresponding switch tube in a period, and outputting the total duty ratio to the corresponding switch tube. According to the method, target tracking can be achieved under the static condition, steady-state errors do not exist, and the problem that time delay exists in a traditional digital single-cycle control algorithm can be effectively solved under the dynamic condition.

The invention discloses a heating ventilation air conditioner temperature control method and device based on a floating point type electric ball valve, and the method comprises the steps: collecting the current indoor temperature in real time, determining the target opening degree and the PWM period of the floating point type electric ball valve according to the current temperature and the preset target temperature based on a PID control algorithm and a preset PWM period dynamic adjustment strategy, and controlling the temperature of the floating point type electric ball valve according to the target opening degree and the PWM period. And calculating the current opening degree of the floating point type electric ball valve according to a preset opening degree estimation model, and controlling the operation state of the floating point type electric ball valve according to the current opening degree, the target opening degree and the PWM period. According to the technical scheme provided by the embodiment of the invention, approximate continuous adjustment of the floating point type electric ball valve is realized through combination of the PID control algorithm and the preset PWM period dynamic adjustment strategy control, a high-precision controller and a signal module do not need to be matched, the cost is effectively reduced, and the temperature control precision is improved.

The invention relates to the technical field of data management, in particular to an intelligent control method based on big data, and the method comprises the following steps: S1, collecting operation state data and environment information of a target system, constructing a control intention vector model in combination with a task target and a control boundary, and packaging the control intention vector model into a migration data object; s2, in the control execution process, collecting a state flow and a feedback sequence, detecting behavior drift, dynamically correcting a control strategy, and outputting a corrected control sequence; and S3, applying the correction strategy to a target system, collecting an execution response, identifying behavior chain evolution, updating a control intention model, outputting an evolvable control intention chain, and supporting a control task of a next period. According to the method, real-time data acquisition, behavior offset identification and control intention chain evolution are combined, and dynamic adjustment and adaptive optimization of a control strategy are realized, so that the stability, robustness and long-term adaptive capacity of the system are improved.

The invention discloses a mechanical arm control method and system based on real-time attitude estimation, and the method comprises the steps: obtaining a real-time point cloud image of a mechanical arm, and carrying out the attitude estimation based on the real-time point cloud image to obtain an initial attitude of the mechanical arm; the target posture of the mechanical arm is determined, the target posture and the initial posture are analyzed, and the posture error difference is determined; the attitude error difference is analyzed, the error state of the mechanical arm in each direction is determined, and a motion optimization coefficient matrix of the mechanical arm is determined based on the error state; the operation parameters of the mechanical arm are optimized on the basis of the motion optimization coefficient matrix, and motion of the mechanical arm is controlled on the basis of the optimized operation parameters; and after the mechanical arm moves, the steps are repeated, and closed-loop circulation control over the mechanical arm is completed. Visual monitoring is converted into real-time dynamic monitoring from static monitoring, continuous closed-loop deviation correction can be achieved in the movement process of the mechanical arm, accordingly, dynamic deviation correction and accurate operation are achieved, and the grabbing and assembling success rate and efficiency of the mechanical arm are greatly improved.

The invention discloses a method for controlling synchronous operation of multiple servo presses, belongs to the field of electronic data processing, discards the scheme that one press controller of the existing servo presses on the market controls one press, and uses a single press controller to control multiple servo presses. Unstable time delay caused when a user PLC needs to send instructions to a plurality of press controllers is avoided, and errors among pressure, displacement, time and speed relations received by all parts are greatly reduced in the press fitting process. Meanwhile, due to the fact that the number of the press controllers is reduced, the production cost of the servo press is reduced, the competitiveness of products in the market is improved, and the communication time between the press controllers and the servo drivers can be controlled to be within 0.5 ms. The synchronous press-fitting system controls the press machines and controls the total period of data transmission within 3ms, that is, the synchronous time difference between the servo press machines is 3ms.

The utility model discloses an embedded pump-driven two-phase liquid cooling CDU system and a server. The system comprises a condenser, a liquid storage tank, a control valve and a fluorine pump assembly which are connected in sequence, and a control assembly which is electrically connected with the condenser, the control valve and the fluorine pump assembly; the multiple cold plates are connected between the condenser and the fluorine pump assembly in series in parallel, the fluorine pump assembly comprises multiple fluorine pumps arranged in parallel, the multiple fluorine pumps are used for driving refrigerants to circularly flow among the multiple cold plates, the condenser, the liquid storage tank and the control valve, and the control assembly is used for controlling the control valve to be opened and closed. The control valve is used for controlling on-off of the liquid storage tank and the fluorine pump assembly, and the control assembly is further used for controlling the rotating speed of a cooling fan of the condenser, controlling alternate operation of a single fluorine pump among the multiple fluorine pumps according to a preset time period and adjusting the rotating speed of the multiple fluorine pumps. The phase change process of gasification heat absorption of the refrigerant is utilized, heat is efficiently and rapidly absorbed, large cooling equipment can be omitted, the cost and the size are reduced, and use convenience is improved.

The invention belongs to the technical field of SWISS rectifier control, and particularly relates to a three-phase single-stage SWISS rectifier control method for realizing phase compensation and reducing input current harmonics, and the method carries out voltage outer loop control through a single PI controller, and avoids a complex parameter adjustment process in a traditional double-PI control method. The single-cycle control based on the inductive current average value directly tracks a three-phase input current instruction, the influence of direct current side inductive current fluctuation on a control loop is reduced, and input current harmonics are reduced. The problem that the grid-side power factor is reduced due to the filter capacitor is solved through a phase compensation mechanism, and the power factor of the rectifier is improved. The method shows higher grid-side power factors and lower input current harmonics under different power levels, has the characteristics of simplicity in control and excellent performance, and is suitable for application scenes needing high-efficiency energy conversion and low harmonic pollution, such as new energy automobile charging piles and aviation power supplies.

The invention relates to the technical field of sample processing, and relates to a sample processing and scheduling system and a control method, and the method comprises the steps: controlling a reaction disc assembly to rotate according to a rotation period, and controlling the reaction disc assembly to progressively preset the number of cups in each rotation period; wherein the rotation period comprises a plurality of rotation stages; the duration of the rotation period and the interval duration of the plurality of rotation stages are determined according to the target reaction system; determining a target dilution cup and a target reaction cup in the reaction disc assembly according to the first target rotation period, the number of preset cup positions and the total number of cup positions in the reaction disc assembly; according to the target rotation period of the actions corresponding to sample, reagent, diluent and sample dilution in the sample processing task, the sampling needle assembly and the reagent needle assembly are controlled to execute the corresponding actions on the target dilution cup and the target reaction cup respectively, so that the sample processing task is completed. Therefore, the problems of low sample processing speed and high cost can be effectively solved.

The invention relates to a diesel engine low-temperature starting control method suitable for an extremely-low-temperature working condition, and the method comprises the steps: collecting the in-cylinder pressure of each combustion cycle through an in-cylinder pressure sensor in the starting process of a diesel engine, and calculating an immediate indication average pressure IMEP and a combustion center position CA50 key combustion parameter; on the basis of CA50 feedback of each cycle, the fuel injection advance angle of the next cycle is adjusted and optimized, cycle-by-cycle control over the fuel injection advance angle is achieved, and it is ensured that CA50 is intensively distributed in an efficient combustion interval; the fuel injection advance angle is optimized, the IMEP and the rotating speed of the diesel engine are monitored to serve as real-time feedback of the combustion state, the combustion state of the diesel engine becomes poor, system judgment enters motor active torque compensation control, fuel injection and motor cycle-by-cycle coupling control based on combustion parameter feedback is achieved, and it is ensured that the pressure in a cycle cylinder is stable in the starting process of the diesel engine. Combustion parameter feedback is adopted for oil injection and motor cycle-by-cycle coupling control, poor combustion cycle in an extremely low temperature environment is reduced, and stability and energy efficiency in the starting process are improved.

The invention relates to the technical field of virtualization orchestration, in particular to an industrial control virtualization orchestration system and method, and the system comprises a task extraction module, a node behavior monitoring module, a stability evaluation module, an orchestration load adjustment module and a control task migration module. According to the method, the scheduling cycle closed-loop feature recognition is performed by collecting the control task scheduling mapping table and the execution instruction queue and combining the cycle control mark and the interrupt mark, so that an orchestratable task set can be effectively recognized, the behavior success rate is calculated according to parameters such as node response delay and task completion proportion, and node stability screening is performed; stability grade division of control nodes is achieved, a scheduling priority list is formed by setting a release threshold value, then the task migration opportunity is judged based on task residence time and IO completion conditions, migration targets are accurately selected in a behavior pattern matching mode, and the stability of task scheduling, the precision of resource allocation and the adaptability of control logic are remarkably improved.

The present application relates to the field of vacuum emulsifier, for solving the problem that the single effect of vacuum emulsifier cannot be quantified and the adaptive ability of cycle endpoint judgment is lacking, specifically a circulating shearing vacuum emulsifier and a control system thereof, the control system comprises an emulsification process monitoring module, an internal environment supervision module, a shearing effect statistics module, a cycle comprehensive evaluation module and a shearing cycle control module, the present application comprehensively analyzes the single cycle time and the material cycle number, generates single cycle effect evaluation features and total cycle effect evaluation features, realizes quantitative evaluation of single cycle effect, calculates the single cycle effect progressive value between adjacent cycles, and according to the threshold judgment result, the cycle process is divided into progressive cycle and stable cycle, whether the total cycle effect and cycle number meet the standard is also judged synchronously, realizes progressive cycle recognition and multi-condition joint judgment mechanism, and dynamically perceives whether the emulsification process enters the effect saturation stage.

An image forming apparatus comprises a photosensitive drum, an exposure head and a control unit. The control unit can execute a first mode and a second mode in which the drum is rotated at a second rotational speed that is a / b times of the first rotational speed of the first mode. In exposure of the second mode, the control unit controls a cycle of a light emission timing at a cycle of b / a times of a cycle of the first mode, controls the light-emitting units to cause, among n rows, the light-emitting units of (n×((d−c) / d)) rows to not emit light, and sets a drive current so that an amount of light matches (a×d) / (b×c) times of the first mode.

The utility model relates to the technical field of refrigerators, in particular to a fresh-keeping refrigerator combining air cold-heat exchange with direct cooling and circulation control refrigeration, which comprises a refrigerator, an exhaust fan is arranged in an inner cavity of the refrigerator, a compressor is arranged in the inner cavity of the refrigerator, a condenser is arranged at the bottom end of the inner cavity of the refrigerator, and a plurality of graphene sheets are arranged in the inner cavity of the refrigerator. Wheels are arranged at the bottom end of the refrigerator, a plurality of goods shelves are sequentially arranged in an inner cavity of the refrigerator from top to bottom, an exhaust outlet is formed in the rear side of the inner cavity of the refrigerator, capillary tubes are fixedly embedded in the inner cavity of the side wall of the refrigerator, a controller is arranged on the refrigerator, and a monitoring assembly is arranged in the inner cavity of the refrigerator. The fresh-keeping refrigerator combining air cold and heat exchange with direct cooling and circulating control refrigeration adopts the combined application of various systems and modules, the refrigerator design is divided into the combined application of a video area and a refrigerator fresh-keeping area, and an air (oxygen) cold and heat exchange technology and a dynamic mode are adopted.

The invention provides an excitation and static frequency converter collaborative optimization control system and method for pumping start of a pumped storage unit, and relates to the technical field of pumped storage unit control. The system comprises a data acquisition and state sensing module, a collaborative optimization controller and a high-speed execution and communication network. The data acquisition and state sensing module acquires system state data in real time; a joint prediction model, a rolling optimizer and a constraint processing unit are arranged in the collaborative optimization controller, and the collaborative optimization controller is used for carrying out rolling optimization calculation to obtain an optimal control instruction sequence; and the high-speed execution and communication network synchronously issues the optimal control instruction to the SFC and the excitation system. The method is based on the system, and collaborative optimization control is achieved through the steps of starting instruction receiving, rolling optimization, circulation control and starting and ending mode switching. According to the invention, deep cooperation and foresight control of the excitation system and the SFC are realized, and the smoothness, speed, reliability and energy saving performance of the pumping starting process of the pumped storage unit are improved.

This application provides an energy-saving method and system for stamping processes based on fluctuating load hedging, relating to the field of cycle control technology. The method includes: real-time acquisition of load signals of each stamping press in each stamping cycle, identifying the peak load mutation point corresponding to the main blanking or drawing process in that cycle, and using the peak load mutation point as the current cycle phase reference point of the stamping press; obtaining the timestamp of the current cycle phase reference point of each stamping press relative to a unified time reference, and calculating the phase difference between any two stamping presses; when the phase difference between two stamping presses is less than a preset safety threshold, selecting at least one of the two stamping presses as the target stamping press; determining a compensation time amount according to a preset compensation rule, and sending a cycle adjustment command to the target stamping press to advance or delay the start time of its next stamping cycle relative to the original start time by the compensation time amount, thereby increasing the phase difference between the two stamping presses.

The application provides a vehicle control method and device, a vehicle and a storage medium. The method is applied to the technical field of vehicles. The method comprises the following steps: obtaining water wading state information of a vehicle; in the case that the water wading state information meets a preset condition, determining a first air suspension set from multiple air suspensions according to the water wading state information; and based on a preset first control period, controlling each first air suspension in the first air suspension set to deflate and inflate. According to the application, the vehicle body can be provided with lifting force, the sinking speed of the vehicle is slowed down, and the safety of the vehicle in a water wading environment is effectively improved.

The invention discloses a high and low temperature cycle control method, relates to the technical field of semiconductor tests, and aims at solving the problems that an existing refrigeration and heating system is small in temperature range and low in temperature control precision. Comprising the following steps that S1, a refrigerating system is operated, and the temperature interval where the set liquid outlet temperature is located is judged; s2, according to the set temperature interval where the liquid outlet temperature is located, temperature control strategies corresponding to the temperature interval are executed; according to the temperature control strategy, opening and closing of all the electromagnetic valves are adjusted according to the current liquid outlet temperature, and the power of the heater and the opening degree of the electronic expansion valve are adjusted by judging whether the current liquid outlet temperature is smaller than the set liquid outlet temperature or not; and S3, if the current liquid outlet temperature can be kept the same as the preset liquid outlet temperature, the current state operation is kept. According to the high and low temperature cycle control method, the heat exchanger set of the refrigerating system can be used for heat exchange, and segmented temperature control of different temperature segments is achieved.

A dryer appliance, a controller and a method for dryer cycle control include a voltage divider circuit having a first thermistor configured to receive a first temperature signal corresponding to an inlet flow of air to a heater assembly, and a second thermistor configured to receive a second temperature signal corresponding to a heated flow of air heated from the heater assembly. The first thermistor and the second thermistor have a substantially similar resistance-temperature curve as one another. An output voltage is determined based on an input voltage, the first thermistor, and the second thermistor. A heater control relay is configured to compare the output voltage to a reference voltage corresponding to a control pulsing, a timer adjustment, or a cycle termination. The dryer cycle is adjusted based on the output voltage relative to the reference voltage.

The invention discloses a washing machine dewatering method, a washing machine and a storage medium, and the method comprises the steps: obtaining a first adjustment instruction inputted by a user through a dewatering control assembly of the washing machine after entering a dewatering stage; wherein the dehydration stage comprises at least two intermittent dehydration periods, the first adjustment instruction is used for indicating a first target rotation duration of the motor and a first target pause duration of the motor in each intermittent dehydration period, the first target rotation duration is less than a default rotation duration of the motor, and the first target pause duration is greater than the default pause duration of the motor; and for each intermittent separation period, after the motor is controlled to rotate according to the first target rotation duration, the motor is controlled to stop rotating, and the stop duration is the first target pause duration. According to the scheme, the rotation duration of the motor is shortened and the pause duration of the motor is increased through the first adjustment instruction, so that the speed increasing speed of the washing barrel is reduced, the eccentric barrel collision phenomenon is avoided, the service life of the washing machine is prolonged, and the use experience of a user is improved.