1330 results about "Synchronous control" patented technology

The invention discloses a 16-channel high-precision synchronous data acquisition system based on a multi-parameter model, which belongs to the technical field of data acquisition and comprises a multi-parameter model driving module, a self-adaptive channel scheduling module, a closed-loop calibration compensation module and a collaborative synchronous optimization module. The multi-parameter model driving module establishes a multi-dimensional optimization model fusing the sampling rate, the channel load and the error trend to output optimization parameters; the adaptive channel scheduling module performs real-time quality evaluation and dynamic resource allocation according to the optimization parameters to generate a scheduling instruction; the closed-loop calibration compensation module monitors a synchronization error in real time and calculates a compensation parameter; the collaborative synchronous optimization module realizes inter-channel parameter sharing and collaborative control to generate a synchronous control signal, and feeds back an optimization result to the multi-parameter model driving module to form a closed loop, and through deep coupling and closed loop feedback of the four modules, high-precision synchronization of multi-channel data acquisition is realized, and the synchronization precision reaches + / -35ns.

The invention discloses a multi-motor parallel control system and method based on an FPGA, and belongs to the technical field of multi-motor parallel control. The FPGA module is in communication connection with the control processing unit, and the FPGA module is internally provided with a global synchronous triggering unit used for generating a periodic synchronous triggering signal; the number of the position acquisition sub-modules corresponds to that of the motors, and each position acquisition sub-module comprises a position counter and a hardware latch register, wherein the position counter is used for carrying out counting and direction decoding on encoder pulses in real time; wherein the global synchronous triggering unit is connected with all the position acquisition sub-modules. According to the multi-motor synchronous control system, the position and other state signals of the multiple motors are collected at the same time through the parallel processing capacity of FPGA hardware, real-time control is achieved in combination with the control processing unit, and therefore the multi-motor synchronous control precision is improved, and the response speed is increased.

The invention discloses a virtual space multi-person interaction synchronous control method oriented to an end-cloud collaborative architecture. The invention relates to a computer graphics and three-dimensional modeling technology, and discloses a cross-format lightweight and geometric consistency maintenance method based on a three-dimensional model. Through format-independent geometric representation and a self-adaptive lightweight strategy, efficient compression and precision maintenance of three-dimensional model cross-format conversion are realized. The method specifically comprises the following steps: performing format analysis and geometric feature extraction on an input model, and establishing a unified internal representation; adaptively selecting a multi-level LOD lightweight strategy based on the complexity of the model; the accuracy of key information is ensured through geometric feature keeping and topology consistency detection; the geometric consistency is dynamically maintained by combining error monitoring and an iterative correction mechanism; and generating a target format lightweight model and carrying out quality verification. According to the method, adaptive precision control, multi-level consistency maintenance and format irrelevant processing are combined, the model size and conversion errors are effectively reduced, and cross-platform compatibility and geometric fidelity are improved. The method can be widely applied to the fields of industrial design, game development, virtual reality and the like.

A grid-connection pre-synchronization method for a virtual synchronous generator parallel system, and an electronic device. The grid-connection pre-synchronization method for the virtual synchronous generator parallel system comprises: after receiving a pre-synchronization instruction, n virtual synchronous generators start to perform grid-connection pre-synchronization, wherein the grid-connection pre-synchronization comprises frequency and phase pre-synchronization, and amplitude pre-synchronization (S110). The frequency and phase pre-synchronization comprises: calculating control amounts for the frequency and phase pre-synchronization; according to the control amounts for the frequency and phase pre-synchronization, calculating a damping power; according to a mechanical power, an electromagnetic power and the damping power, calculating an output angular frequency difference of the virtual synchronous generators; and according to the output angular frequency difference of the virtual synchronous generator sand a rated angular frequency, determining a power angle of the virtual synchronous generators.

The invention relates to the technical field of wind turbine generator maintenance, and discloses a wind turbine generator blade unmanned aerial vehicle deicing assembly and method.The wind turbine generator blade unmanned aerial vehicle deicing assembly comprises an unmanned aerial vehicle, and a laser radar and an installation shell integrating an ultrasonic transducer, a pulse nozzle and a hydraulic pump are installed at the bottom of the unmanned aerial vehicle. The deicing control system obtains focus space coordinates and interface resonance frequency of the blade surface by using a space state sensing module; the stress field focusing module calculates the phase delay amount of the ultrasonic transducer, compensates the pose deviation of the unmanned aerial vehicle by adjusting the emission time sequence, and drives the ultrasonic transducer to generate resonance stress on an ice layer-skin interface; and the sound stream synchronous control module determines a jet flow triggering moment according to synchronous phase locking solution, drives a pulse nozzle at an instantaneous negative pressure phase point of a sound wave period to inject a small amount of deicing fluid into an interface crack, and generates shear stress to induce the interface crack to expand and peel off an ice layer. Accurate throwing of deicing energy is achieved, and the icebreaking efficiency is improved on the premise that the safety of the blade structure is guaranteed.

The invention discloses a dynamic self-adaptive precision switching method for a voice recognition NPU, and aims to solve the core problems that precision and energy efficiency of an end-side voice recognition NPU in multiple scenes cannot be considered at the same time, fixed-precision hardware resources are seriously wasted, software switching efficiency is low, and errors are accumulated. A hardware architecture of a 4 * 4 reconfigurable MAC subunit array and a switch matrix is constructed, and a task-driven adaptive scheduling mechanism, an operation period synchronous control technology (single-period hardware reconfiguration is realized by utilizing idle gap latch configuration) and a direction-sensitive error compensation algorithm (historical data interpolation extension or correction truncation) are combined; hardware-level dynamic lossless switching of the MAC unit between 8bit / 16bit / 32bit precision is realized, so that different voice tasks achieve the highest necessary computing power with the lowest necessary power consumption, no data is lost in the switching process, and finally, the energy efficiency rigidity of a fixed-precision framework is oppositely converted into the precision on-demand supply capability capable of being deployed in an engineering manner.

The invention relates to the technical field of wafer processing, in particular to a wafer positioning and clamping concentricity clamping device and method, and the device comprises at least three groups of clamping units. The clamping unit comprises a driving module, a transmission module and a sensing module; the driving module comprises a cylinder and an independent gas circuit for driving the cylinder; the transmission module comprises a multi-connecting-rod mechanism connected with a piston rod of the air cylinder. The movable end of the multi-connecting-rod mechanism is provided with a clamping column used for making contact with the edge of the wafer. The sensing module comprises a position sensor and a thin film pressure sensor. Each clamping unit is provided with an independent electromagnetic valve and an independent gas circuit, closed-loop feedback of a position sensor is introduced, and accurate and synchronous control over the movement tracks of the multiple clamping columns is completed; and a thin film pressure sensor is arranged at a force bearing point of the clamping column, and a self-adaptive force control module of the control system is combined, so that the technical effect that the clamping force is always stabilized in a preset safety range is achieved.

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

The invention discloses a photovoltaic micro-grid grid-connected synchronous control method based on Beidou time service, and relates to the technical field of power system synchronous control, and the method specifically comprises the steps: building a unified time reference of a whole system, calibrating node time through Beidou time service, setting a multi-mode data collection method for multi-mode type data, and screening effective data. A deviation range and a grid-connected state label are set; influences of voltage, frequency and phase deviation on grid-connected instability are quantified through mutual information entropy; a deviation contribution degree coefficient and a risk correction factor are calculated; a core feature is extracted; the method comprises the following steps: constructing Beidou time sequence fingerprints, calculating the similarity between the current Beidou time sequence fingerprints and a fingerprint sample library in real time, screening high-similarity samples to extract strategy elements, selecting an optimal control combination through multi-objective optimization, and adjusting output through information interaction between nodes to realize collaborative optimization.

The invention relates to the field of databases, in particular to a database disaster tolerance synchronization method based on packet replication and a database system. The invention provides a refined synchronization control mechanism based on a grouping strategy aiming at the problem that a unified global synchronization strategy cannot meet refined and differentiated requirements of distributed applications on data consistency, availability and performance in the existing database replication technology. Multiple groups of standby libraries adopt different synchronization levels to perform grouping copying in the same database; a logic abstraction layer of a synchronization group is introduced, a synchronization strategy and a physical standby library are decoupled, and multiple different synchronization mechanisms of a master-slave replication process are allowed in a database; a synchronous waiting mode of a traditional single path is broken through by utilizing a multi-waiting queue and a grouping ACK processing mechanism, so that state advancement of different groups does not interfere with each other; and checking is completed based on the consistency of the state mask, so that the transaction can be successfully returned only after all specified synchronization conditions are met, and the strong consistency of data is ensured.

The invention provides a network construction type bidirectional low-harmonic energy storage converter based on virtual synchronous control and an intelligent load identification method thereof, and belongs to the field of power electronics. The converter comprises a power module and a control module, wherein the power module is used for bidirectional conversion and output of electric energy; the control module comprises a virtual synchronous control module and a harmonic suppression control module, and the virtual synchronous control module adopts a virtual synchronous generator technology to realize active / reactive power bidirectional adjustment during electric energy bidirectional conversion of the power module and network construction level voltage and frequency support during electric energy output; and the harmonic suppression module is provided with a parallel QPR controller group (comprising a first QPR controller, a second QPR controller and a third QPR controller) which are used for processing third-time, fifth-time and seventh-time characteristic harmonics respectively and suppressing the characteristic harmonics of the electric energy output side of the power module. According to the invention, the dual modules are arranged in the control module, so that the cooperation of a network construction function and low harmonic output is realized, and the electric energy quality and the system operation stability are effectively improved.

The invention discloses a self-adaptive apple maturity lossless picking flexible claw and a picking method. The device comprises a base assembly, and a visual recognition module, a flexible clamping jaw assembly, a distributed pressure sensing module, a transmission execution module and a control unit are integrated on the base assembly. And the visual module adopts a depth camera and a YOLO11n model, judges the maturity grade in real time based on the apple red area proportion and is matched with the corresponding grabbing threshold force. The pressure sensing module is a thin film pressure sensor, and multi-point pressure feedback is achieved through a plurality of pressure detection points. The transmission module adopts a single motor to drive a lead screw nut lifting table, opening and closing of clamping jaws are synchronously controlled, the structure is light and simple, and cost is low. The picking method follows the process of recognition, matching, force control and picking, a cutter is not needed, lossless and high-success-rate self-adaptive picking is achieved, the problem of damage or failure caused by traditional fixed force control is effectively solved, the method is suitable for dense orchards, and the intelligent and lossless levels of apple picking are improved. The control unit is low in response delay and small in overshoot, and it is ensured that the grabbing force is accurately matched with the fruit state.

The invention discloses a multi-axis synchronous control system based on a VPX bus, and the system comprises a control platform initialization module which is used for generating a system initialization parameter set; the timing pulse synchronization module is used for forming a timing interrupt signal set; the state acquisition and error write-in module is used for acquiring an axial state, calculating an error signal and writing the error signal into the private area and the broadcast area; the distributed deviation coupling module is used for constructing a state synchronization data set; the sliding mode surface construction and state judgment module is used for constructing a non-singular fast terminal sliding mode surface; the sliding mode control output generation module is used for executing a distributed sliding mode control strategy; the optical signal conversion and data stream generation module is used for generating an optical signal control data stream; and the actuating mechanism driving module is used for converting the optical signal control data stream into an analog driving signal. According to the invention, a distributed sliding mode control and VPX high-speed synchronization mechanism is adopted, and multi-axis high-precision cooperative servo control is realized.

The invention relates to the technical field of distributed energy grid-connected control, in particular to an intelligent monitoring ball enhanced distributed power supply coordination pre-synchronization control method and system, and the method comprises the steps: deploying a master intelligent monitoring ball at a grid-connected point, deploying slave intelligent monitoring balls at the output ends of all distributed power supplies, and forming a star-shaped sensing network; based on a multi-objective optimization algorithm, calculating a pre-synchronization target parameter and an adjustment weight of each distributed power supply, and generating a coordination control instruction; the virtual synchronous motor module receives the coordination control instruction, dynamically adjusts a virtual inertia and a damping coefficient, and adjusts output voltage, frequency and phase through a pre-synchronization execution unit; and after the synchronization reaches the standard, sequentially closing the grid-connected switches according to a preset power supply response priority sequence to complete the grid-connected action. According to the invention, a technical architecture of global monitoring-coordinated decision-precise execution-closed loop optimization is constructed, so that the stability and precise control problem during high-permeability distributed energy grid connection is solved.

The application discloses a mechanical interlocking plug-in box, which comprises a box body, a box cover, and a first chamber and a second chamber formed by an end sealing plate in the box body; a lock foot mechanism is arranged in the first chamber, and a circuit breaker is arranged in the second chamber; a vertical sliding groove is formed on the surface of a guide movable plate of the lock foot mechanism; a limiting rod is horizontally arranged in the first chamber and is in limiting cooperation with the vertical sliding groove, and one end of the limiting rod extends into the second chamber along the axial direction of the rod to interlock the guide movable plate; a linkage operating mechanism is connected between the limiting rod and the circuit breaker, and is used for driving the limiting rod to cancel the limiting of the guide movable plate and synchronously controlling the circuit breaker to make a breaking action; and an opening and closing mechanism is connected between the linkage operating mechanism and the circuit breaker, and is used for interlocking the breaking state of the circuit breaker and hindering the circuit breaker to make a closing action. The application realizes the interlocking between the lock foot of the plug-in box and the opening and closing mechanism of the plug-in box, and improves the safety protection level.

The invention discloses a grid-connected control method and system based on a three-port energy router. The grid-connected control system comprises a photovoltaic power generation system, an energy storage system and a grid-connected inverter system, the photovoltaic power generation system adopts a perturbation and observation method and is used for performing photovoltaic maximum power generation; the energy storage system comprises a storage battery, adopts direct current bus voltage stabilization control, and is used for performing peak load shifting of energy and maintaining the direct current bus voltage; the preceding stage of the grid-connected inverter system adopts fuzzy VSG + pre-synchronization control so as to realize grid-connected and off-grid seamless following and provide voltage support; the post-stage of the grid-connected inverter system adopts double closed-loop + optimization compensation control, performs power regulation and control through weighted cooperation with a VSG double closed-loop system, and is responsible for long-term energy balance. According to the invention, photovoltaic maximum power tracking, energy storage charging and discharging coordination and grid-connected and off-grid seamless switching are realized, and the method is suitable for distributed power supply grid connection, a DC micro-grid and a novel power distribution system.

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

The invention provides a welding method and system for cooperative control of a movable chassis and a mechanical arm of a movable welding platform, which can realize synchronous control of chassis movement and mechanical arm welding, and comprises the following steps: step 1, acquiring path information of a target welding seam to be welded and real-time pose information of the movable chassis in a global coordinate system in real time; 2, a unified system kinematics model of the chassis and the mechanical arm is established, and according to the unified system kinematics model, the target welding seam path is decomposed into a chassis target track of the movable chassis and a mechanical arm target track of the mechanical arm; step 3, controlling the mobile chassis to advance along the chassis target track; and 4, according to the deviation between the real-time pose information of the movable chassis and the chassis target track, the compensation motion needing to be executed by the mechanical arm is obtained through calculation in combination with the mechanical arm target track, and the mechanical arm executes the compensation motion.

The invention discloses a BISS-C protocol-based data acquisition board card and a synchronization method, and relates to the technical field of data acquisition board cards, the board card comprises an FPGA main control unit, a level conversion unit, a BISS-C decoding unit, a signal integration interface unit, a PCIe high-speed interface unit and a model interaction module; the signal integration interface unit realizes centralized access of a plurality of encoder signals, the level conversion unit completes signal level adaptation, the BISS-C decoding unit and the FPGA main control unit realize protocol analysis, synchronous control and data processing, and the BISS-C decoding unit and the FPGA main control unit realize data acquisition and interaction. And the PCIe high-speed interface unit and the model interaction module realize high-speed data transmission and flexible development and debugging. According to the invention, synchronization precision and acquisition capability can be improved, transmission efficiency and development efficiency can be optimized, environmental adaptability and reliability can be enhanced, and compatibility and flexibility can be improved.

The invention discloses a pre-synchronization control method for a network-building converter based on a virtual synchronous generator, and the method comprises the steps: collecting the three-phase voltage of the output end of the virtual synchronous generator VSG and the three-phase voltage of a power grid side, converting the three-phase voltage into a voltage component in a two-phase static coordinate system through Clark conversion, and extracting a positive-sequence component; calculating a phase difference compensation coefficient based on the positive sequence component; based on the phase difference compensation coefficient, adaptively setting a PI parameter; and calculating and adjusting the amplitude of the internal potential to finish pre-synchronization. In the working process, through self-adaptive PI parameter setting and amplitude accurate judgment, the pre-synchronization time is shortened, the grid-connected impact current is reduced, and the grid-connected success rate of the micro-grid in a weak grid scene is improved.

The invention relates to a 5G + TSN-based industrial equipment real-time synchronous communication method and system, and the method comprises the following steps: carrying out the clock calibration of industrial equipment through a time synchronization module, obtaining equipment clock data, adding a timestamp, and forming timestamp equipment data; and performing time slot allocation on the 5G network based on the data to generate a time slot allocation table, and performing traffic scheduling on the TSN network according to the time slot allocation table to obtain scheduling configuration information. And performing priority marking on the information to obtain priority data, and calculating an optimal transmission path of the 5G network according to the priority data. And transmitting and confirming the priority data through the path, and generating transmission confirmation information. And a synchronization control instruction is generated based on the confirmation information, and is directionally issued to each industrial device, so that high-precision time synchronization control of multi-device cooperative operation is realized, and the technical problems that time faults occur on an end-to-end communication path and multi-device cooperative control is seriously influenced due to clock asynchronization between a 5G network and a TSN network are solved.

A dynamic frequency coordination control method for asynchronous regional power grids during wet and dry seasons is provided. By using frequency synchronous control in VSC-HVDC, frequency consistency and synchronization between the sending-end and receiving-end grids can be ensured within the range of power adjustment, enabling real-time and automatic sharing of frequency regulation resources between the two grids. Through the use of bilateral frequency limiting control in LCC-HVDC, the frequency regulation effect is enhanced, balancing frequency fluctuations between the sending-end and receiving-end grids. VSC-HVDC adaptive reactive power support control is employed to provide reactive power support to nearby LCC-HVDC, avoiding frequent operations of LCC-HVDC converter transformers and filters during frequency limiting control actions, thereby extending equipment lifespan. Furthermore, by utilizing grid-following and grid-forming control in renewable energy grid integration with additional frequency control, the frequency support capacity of renewable energy generation is improved.

The invention discloses a multi-modal driving system based on streaming big language model output, which belongs to the technical field of multi-modal interaction and comprises the following steps: a streaming big language model module receives input information and then generates a text unit sequence in a streaming manner; when each text unit is generated, a multi-dimensional emotion label sequence containing emotion types, emotion intensity values and semantic association degrees is synchronously output; the speech generation module maps the text unit sequence and the corresponding multi-dimensional emotion label sequence into speech synthesis parameters, and drives a streaming text-to-speech model to generate an emotional speech stream; the label generation module generates an expression label sequence and an action label sequence of the virtual image in real time; the emotion synchronous control module performs synchronous interpolation and coordination control by taking the time step of the text unit as a reference to generate a synchronous multi-mode driving signal; and the rendering and driving module drives the virtual image based on the signal to realize collaborative output of voice, mouth shape, expression and limb movement, and realizes synchronous presentation of multi-modal emotion expression.

The invention discloses a network construction type converter pre-synchronization control method based on Taylor compensation, and the method comprises the steps: collecting the three-phase voltage of an output end of a virtual synchronous generator (VSG) and the three-phase voltage of a power grid side, carrying out the Clark transformation, and extracting a positive sequence voltage component; on the basis of the positive sequence voltage component, calculating a phase difference sine value of the VSG output voltage and the power grid voltage; based on the phase difference sine value, compensating the phase difference sine value through Taylor expansion to obtain a compensated real-time phase difference; and fusing the compensated real-time phase difference into a VSG phase-locked loop-free pre-synchronization control strategy, and driving a PI regulator to dynamically correct the output frequency and phase of the VSG. A phase-locked loop is completely abandoned, and the frequency oscillation risk is eliminated; expanding a phase difference calculation range through third-order Taylor compensation; voltage vector analysis and a dynamic compensation function are fused, phase synchronization is achieved, and grid-connected impact current is reduced.

The invention relates to a display color temperature synchronous control method and system for a multi-screen collaborative scene, and the method comprises the steps: collecting the dominant hue information of each display and environment illumination color temperature data in real time, and recognizing a dominant display; constructing a combined color temperature reference parameter containing a target color temperature reference value based on the data and the color temperature state of the dominant display; comparing the current color temperature of the non-dominant display with the reference parameters, and generating a step-by-step progressive adjustment instruction sequence; combining response delay characteristics to rearrange an instruction time sequence to form a synchronous execution scheduling table; and sending a control signal according to the dispatch table, and maintaining the state of the dominant display to realize color temperature synchronization. The method realizes multi-screen color temperature high-precision cooperative control, improves scene adaptability and visual experience, and is suitable for various multi-screen cooperative scenes.

The invention relates to the technical field of unmanned aerial vehicle control, and discloses an unmanned aerial vehicle multi-load synchronous control system, and the system comprises a linkage control unit which is used for detecting an image shot by an unmanned aerial vehicle, obtaining a camera imaging plane deviation according to a detection result, and combining with a kinematic model to solve an expected instruction of the unmanned aerial vehicle and a holder; the multi-load configuration unit is used for determining control logic according to the load type and the expected instruction and issuing an operation instruction to the load according to the control logic so as to realize linkage control of the load and the unmanned aerial vehicle controller; the control instruction adjusting unit is used for acquiring the flight state of the unmanned aerial vehicle when the expected instruction is executed, and calculating a disturbance value of the unmanned aerial vehicle to determine a final control instruction of the unmanned aerial vehicle by taking the flight state as input; the equipment is an airborne computing power unit. The active-disturbance-rejection pose correction technology is introduced, real-time compensation of disturbance such as wind disturbance, load sudden change and hanging point deviation is achieved, and the working efficiency and the complex scene adaptability are improved.

The invention relates to the technical field of mast crane equipment control, and provides a precise amplitude variation control method and system for a main arm of a mast crane. The method comprises the steps of obtaining structural parameters, and calibrating an arm angle sensor and a steel wire rope tension sensor; sensor data of an arm angle sensor and a steel wire rope tension sensor are collected and preprocessed in real time, and angle and tension feedback signals are generated; judging an adjustment strategy corresponding to the current working condition according to the angle and tension feedback signal, and generating a winch traction rate parameter corresponding to the adjustment strategy; a synchronous control instruction is sent to the two sets of variable frequency winches, the rotating angle and the hoisting state are adjusted, corresponding feedback data are obtained, closed-loop correction is conducted based on the feedback data, and control parameters are dynamically adjusted; wherein in the micro-amplitude adjustment stage, a segmented low-speed control and tension balance strategy is adopted, and high-precision positioning is ensured; and after the conditions of angle stability and stress balance are met, adjustment is ended. The method realizes control of high-precision adjustment of the angle of the main arm.

The invention relates to an automatic control method and system for water purification treatment, and relates to the technical field of water purification treatment, and the method comprises the following steps: collecting raw water detection parameters and reference detection parameters; the flocculation adding amount is obtained through raw water detection parameters; calling the detected water turbidity from the raw water detection parameters; calling a reference turbidity range from the reference detection parameters; obtaining a detection rotating speed according to the falling condition of the detected water turbidity and the reference turbidity range; adding a flocculating agent into a preset grid flocculation basin according to the flocculation adding amount, and synchronously controlling a stirring device preset in the grid flocculation basin to operate at a detection rotating speed; collecting the turbidity of an outlet of the flocculation basin; and the flocculation dosage is updated based on the turbidity of the outlet of the flocculation basin. The water purification device has the effect of improving the water purification treatment efficiency.