247results about "Mechanical oscillations control" patented technology

The invention relates to the technical field of vibration and noise control, discloses a new energy automobile motor high-frequency vibration and noise active suppression system and method, and aims to solve the problems of poor high-frequency vibration and noise suppression effect, real-time performance, adaptive capacity and system cost complexity of an existing new energy automobile motor. The method comprises the following steps: acquiring and preprocessing motor operation state data, extracting high-frequency harmonic characteristics, and generating predicted harmonic characteristics in combination with working condition prediction; and superposing the self-adaptive compensation quantity to a motor voltage instruction, and driving an inverter through pulse width modulation to realize active suppression of high-frequency vibration and noise. The system comprises a data acquisition preprocessing module, a harmonic feature extraction module, a working condition sensing prediction module, a self-adaptive compensation quantity generation module and a pulse width modulation correction module. By the adoption of the technical scheme, efficient, real-time and self-adaptive suppression of high-frequency vibration and noise of the motor can be achieved, the level of the high-frequency vibration and noise is remarkably reduced, the driving comfort is improved, and the complexity and cost of the system are optimized.

The invention relates to the technical field of signal processing, in particular to a high-speed unmanned aerial vehicle structure servo elastic coupling vibration suppression control method, system and device, a medium and a program product. Obtaining a target control loop causing resonance; spectral analysis is carried out, and double-center frequencies causing resonance are obtained; a cascade wave trap with double center frequencies is designed; and the servo elastic coupling vibration of the unmanned aerial vehicle structure is suppressed. According to the method, the problems of difficulty in structure modification, narrow notch frequency range and large low-pass filtering delay of an existing structure servo elastic coupling resonance solving method are solved, the performance of a control system cannot be reduced, and the flight safety is ensured.

The application discloses a damping device and a damping method, which combines a friction generator with a damping component, so that the friction generator outputs an electric signal under the action of an external vibration source, and when the electric signal is transmitted to the damping component, the electric signal can adjust the inherent frequency of the damping component itself, so that the adjusted inherent frequency is different from the vibration frequency provided by the external vibration source, so that the damping component and the external vibration source cannot achieve resonance, thereby achieving the purpose of damping; and since the electric signal is provided by the friction generator, an external excitation power supply is not needed, the dependence on the external excitation power supply is reduced, and passive damping is achieved; in addition, the damping device does not need a complex structure, and only needs to combine the friction generator with the damping component to achieve damping, so that the structural complexity of the damping device is effectively simplified, the manufacturing cost of the damping device is reduced, and the manufacturing efficiency of the damping device is improved.

The invention discloses a multi-stage flexible load vibration suppression method and system, industrial equipment and a storage medium, and relates to the technical field of motor control, and the multi-stage flexible load vibration suppression method comprises the steps: carrying out the recursion processing of an initial rotating speed and an initial torque through vibration suppression parameters corresponding to a multi-stage flexible load, and obtaining a multi-stage flexible load vibration suppression parameter; generating a target rotating speed and a target torque; generating a position feed-forward instruction, a rotating speed feed-forward instruction and a torque feed-forward instruction according to the target rotating speed and the target torque; and industrial equipment is controlled according to the position feed-forward instruction, the rotating speed feed-forward instruction and the torque feed-forward instruction. The technical problem that an existing flexible system vibration suppression scheme is poor in scene adaptability is solved.

The invention relates to a vibration excitation method and system based on impedance identification, and the method comprises the steps: carrying out the frequency domain conversion of force-speed data obtained by a displacement closed-loop system, and obtaining the mechanical impedance of a drive point; performing flexibility compensation on the mechanical impedance of the driving point to obtain the real impedance of the structure end; extracting an imaginary part and constructing a matching residual error by using the real impedance of the structure end, correcting the excitation frequency of the current vibration exciter through gradient frequency, and iteratively determining the optimal excitation frequency of the vibration exciter meeting a convergence condition; mechanical active power generated by the vibration exciter is calculated under the optimal excitation frequency, dual-target optimization is carried out on the amplitude of the vibration exciter, and the optimal amplitude with the maximum mechanical active power and the minimum equivalent output of the actuator is obtained; based on the real impedance of the structure end, the matching criterion and the optimal amplitude, variable parameters are introduced to construct a source-side impedance model, a source-side impedance matching frequency domain interval is expanded through slow time mark setting parameters, and mechanical active power generated by a vibration exciter is coupled to a tested structure.

The invention relates to a method and a system for adaptively adjusting vibration compensation of an unmanned aerial vehicle based on a multi-band IMU (Inertial Measurement Unit), and the method comprises the steps: W1, in the process that the unmanned aerial vehicle executes a flight task, cooperatively collecting data information of vibration signals of an unmanned aerial vehicle structure based on a plurality of airborne vibration detection IMU arrays, and constructing an unmanned aerial vehicle vibration spectrum analysis model, and calculating the body dominant vibration frequency of the unmanned aerial vehicle to obtain the data information of the body dominant vibration frequency of the unmanned aerial vehicle, and optimizing the acceleration and angular velocity of the unmanned aerial vehicle by adopting an improved weighted average optimization algorithm based on dynamic fusion weight to obtain the optimized data information of the acceleration and angular velocity of the unmanned aerial vehicle. According to the method, the problem of measurement distortion of a single IMU in a resonance frequency band is effectively avoided, it is ensured that high-fidelity inertial data can be output under all working conditions such as low-frequency maneuvering, intermediate-frequency cruising and high-frequency disturbance, and the method can be deployed on a mainstream unmanned aerial vehicle platform and has good popularization value.

The invention discloses a resonant frequency tracking control method and system for a diamond nitrogen vacancy color center, and belongs to the technical field of quantum sensing. The method comprises the following steps: setting an initial center frequency output by a microwave source; in the tracking control process, fluorescence signal changes generated by the diamond nitrogen vacancy color center under the microwave frequency modulation effect are recorded, a full-amplitude demodulation amplitude value R is obtained through demodulation, and whether the full-amplitude demodulation amplitude value R is smaller than a dead zone threshold value or not is judged; if yes, the center frequency output by the microwave source is not changed; if not, calculating the microwave frequency regulation quantity delta f according to the full-amplitude demodulation amplitude R; determining the adjusting direction of the center frequency f0 of the microwave source according to the phase-frequency characteristic and the real-time demodulation phase difference delta phi in the current frequency tracking control process; according to the microwave frequency adjusting quantity delta f and the adjusting direction, the center frequency of the microwave source is adjusted for resonant frequency tracking; wherein the phase-frequency characteristic is the characteristic of the demodulation spectral line on the two sides of the resonant frequency. The robustness and the accuracy of the resonance frequency tracking method are enhanced.

The invention provides a die cutting equipment error optimization method and system based on group collaboration, and relates to the technical field of die cutting machines, and the method comprises the steps: carrying out the spectrum analysis of a frequency characteristic curve of each piece of die cutting equipment, so as to divide an initial interference group; establishing a virtual spring damping network in the initial interference group, regarding each die cutting device in the initial interference group as a mass point, and determining a spring stiffness coefficient and a damping coefficient according to an actual distance between adjacent mass points; determining vibration mode characteristics of each die cutting device according to the spring stiffness coefficient and the damping coefficient, and converting a control signal generated according to the vibration mode characteristics into a parameter adjusting variable by using a preset control algorithm; and determining a vibration coupling relationship according to the collected vibration energy data of the initial interference group after the initial processing parameters are adjusted according to the parameter adjusting quantity, and determining an optimal production takt and a parameter compensation value according to the vibration coupling relationship. The technical problem that in the prior art, due to vibration coupling of a die cutting equipment group, the machining error cooperative control difficulty is large is solved.

The invention belongs to the technical field of active vibration isolation, and particularly discloses an active vibration isolation method and system based on prediction and adaptive control. Comprising the following steps: carrying out multi-degree-of-freedom dynamic modeling on a vibration isolation system, taking the pose of a load as system output, taking the control quantity of an execution mechanism as system input, and uniformly expressing unknown dynamics caused by structural nonlinearity and disturbance as a nonlinear term; constructing an adaptive neural network state observer based on the kinetic model, and estimating a state which cannot be directly measured; the method comprises the following steps: acquiring historical operation data of a vibration isolation system, preprocessing the data, constructing an input time sequence and an output time sequence, and training a long-short-term memory neural network prediction model to generate a prediction signal representing future position information; and designing an adaptive control law according to the state estimation result and the prediction signal, obtaining a feedback control quantity, and superposing the feedback control quantity with a feedforward control quantity obtained based on the prediction signal to form a control instruction for driving an execution mechanism.

The invention provides a seat safety vibration control system and method based on health state dynamic reasoning. The method comprises the steps that physiological signals of a user are collected; analyzing according to the collected physiological signals to obtain a user health state grading result and a corresponding seat vibration and environment control execution scheme; according to the seat vibration and environment control execution scheme, the angles and the heights of the seats in all directions are adjusted, and opening and closing and the amplitude of vibrators of all subareas on all the seats are independently controlled. The intelligent health cabin system breaks through the limitation of single function guidance of traditional seat vibration, constructs an intelligent health cabin system from health monitoring to safety control to continuous optimization, has safety, accuracy, compliance and user experience, can be widely adapted to users in different health states and pathological types, and meets the industry development requirements of health cabins.

The oscillator is controlled with high precision. [Solution] (b) an Arnold-Tan evaluation means having a sweep program that continuously or discretely scans injection points, measures the response of the oscillator at each injection point, and determines the most stable injection point; (c) a control means that calculates and sets injection parameters for the actuator based on the phase detection signal of the sensor and the evaluation, and controls the actuator based on a control law based on Arnold-Tan stability analysis; and (d) an optimization means that evaluates the vibration state after injection and dynamically optimizes the injection parameters based on the control effect.

The invention relates to a control method and device, terminal equipment, a storage medium and a computer program product. The control method comprises the steps that first vibration information generated when a vibration unit vibrates according to a first control signal is determined through a vibration information detection unit; wherein the vibration information detection unit at least comprises an acceleration sensor, a gyroscope and / or a displacement sensor; adjusting the first control signal according to the first vibration information and target vibration information to obtain a second control signal; wherein the second vibration information of the vibration unit, which vibrates according to the second control signal, approaches to the target vibration information or is the same as the target vibration information; and controlling the vibration unit to vibrate according to the second control signal. The method improves the energy density of the vibration unit and the efficiency of determining the vibration information of the vibration unit.

The application relates to a vibration error distribution and suppression method of an airborne suspension type light beam pointing mechanism, and belongs to the technical field of photoelectric detection. The method steps comprise the following: determining a shear frequency range of a servo system; judging whether the light beam pointing mechanism meets the requirements by adopting wide-frequency vibration excitation; recording frequency points of resonance and amplification rates corresponding to the resonance points by adopting wide-frequency vibration excitation; obtaining light axis jitter amounts generated by each frequency point of resonance by adopting fixed-frequency vibration excitation, and sorting the light axis jitter amounts according to the sizes of the light axis jitter amounts; placing the servo system in an open loop state, exciting the light beam pointing mechanism again, obtaining light axis jitter amounts generated by each frequency point of resonance, and sorting the light axis jitter amounts according to the sizes of the light axis jitter amounts; comparing the differences between the light axis jitter amounts obtained twice, judging the reasons for the light axis jitter, and compensating the vibration error of the light beam pointing mechanism. The application effectively improves the precision of the suspension type light beam pointing mechanism and improves the detection capability of photoelectric products.

The invention discloses a multi-degree-of-freedom staggered active vibration absorption method and system, photoetching equipment and a storage medium. The method comprises the following steps: acquiring vibration data; determining vibration state parameters of each degree of freedom at the current moment based on the vibration data; on the basis of the vibration state parameters, according to a preset interleaving control strategy, control instructions for a plurality of actuator units are generated; and driving the actuator unit to generate corresponding active damping force based on the control instruction. The embodiment of the invention aims to overcome the technical defects of potential instability, high energy consumption and poor time-varying disturbance adaptability caused by control resource competition in a traditional multi-degree-of-freedom active vibration control system, so that more stable, more efficient and more adaptive vibration suppression is realized.

The invention discloses a vibration suppression and energy efficiency improvement method for a marine propulsion system, and belongs to the technical field of ship vibration control and energy efficiency optimizing.The method comprises the steps that vibration signals at a middle bearing, a propeller hub and a main engine base are collected, and three paths of filtering signals are obtained through band-pass filtering; front and rear flow velocity signals and main shaft rotating speed signals of a propeller are collected, and the ratio of the flow velocity difference to the rotating speed difference is calculated to obtain an energy efficiency coefficient; the three paths of filtering signals are multiplied by the energy efficiency coefficient to generate three paths of control signals, and the three paths of control signals are output to the three piezoelectric actuators to generate displacement amounts which act on a bearing shell, the inner wall of a propeller hub and a main engine base; when the propulsion shafting vibrates longitudinally, the metal push rod drives the coil to reciprocate between the permanent magnets to generate induced current, the induced current is stored in the storage battery after being rectified and supplied to the hydraulic controller to adjust the oil flow of the hydraulic cylinder according to a control signal, and graded suppression of multi-source vibration and recycling of vibration energy are achieved. And the vibration suppression effect and the energy efficiency level of the system are obviously improved.

The invention relates to the technical field of material forming, in particular to a vibration control system and method for particle directional arrangement in the graphite powder forming process, and the system and method achieve the time division multiplexing of vibration excitation and ultrasonic detection through a multifunctional vibration exciter array, a high-speed switching circuit and intelligent closed-loop control. The micro-state of the powder is sensed in real time with high resolution, and a targeted, multi-mode and locally adjustable composite vibration waveform is dynamically generated and applied according to diagnosis. According to the vibration control system and the vibration control method, the problems of sensing blind areas, passive excitation and sensing excitation disjunction of existing graphite powder forming are solved or at least relieved, sensing excitation disjunction is effectively overcome, and the precision, the efficiency and the robustness of particle directional arrangement are improved.

A method for active vibration control system (AVCS) monitoring and control is disclosed. The method comprises receiving inputs to a protection monitor to monitor one or more force generators, comparing the inputs to one or more values, and shutting down or adjusting the one or more force generators if the one or more force generators are determined to be operating at an undesired condition.

The application relates to a damping system, a method and a semiconductor manufacturing device, the system comprising a bottom plate and a top plate arranged in relative spacing and a damping support assembly arranged between the bottom plate and the top plate; the damping support assembly comprising a plurality of support legs, a plurality of slave cabinets, a master cabinet, a plurality of valves and a plurality of actuators; the plurality of support legs are used for supporting the top plate; the plurality of slave cabinets are used for respectively acquiring vibration data of the plurality of support legs; the master cabinet is used for integrating the vibration data of the plurality of support legs and determining overall vibration data of the damping system, and sending the overall vibration data to each slave cabinet; each slave cabinet is further used for determining a damping correction instruction of each support leg according to the overall vibration data and the vibration data; the plurality of actuators are used for damping adjustment of each support leg according to the damping correction instruction; for any large motion platform, any single point can be damped according to requirements.

The embodiment of the application relates to the technical field of tower vibration suppression, and provides a tower vibration active suppression method and system based on PLC control, real-time acquisition of tower acceleration signals, extraction of window vibration energy and dominant frequency characteristics, construction of a composite evaluation system containing performance degradation and model mismatch dimensions, utilization of index normalization and nonlinear weighted fusion technology, intelligent quantification of urgency of re-identification, triggering of a lightweight online identification and control parameter recalculation process only when system control performance significantly decreases and it is confirmed that the decrease is caused by model parameter drift, otherwise maintaining a low-power consumption monitoring mode, which effectively solves the performance attenuation problem caused by the fact that a traditional fixed parameter controller cannot adapt to the time-varying of tower structure characteristics, avoids excessive occupation of PLC computing resources by a persistent complex algorithm, realizes efficient and robust control of a time-varying structure system on a limited computing power platform, and ensures vibration reduction effect in the whole life cycle of a fan.

The invention relates to the technical field of alloy production, and discloses a titanium alloy die forging residual stress reduction control method and system, and the method comprises the steps: carrying out the multi-physical field coupling vibration regulation of a titanium alloy die forging based on initial state data, and obtaining a multi-dimensional vibration control parameter; based on the multi-dimensional vibration control parameters, multi-direction vibration is applied to the titanium alloy die forging, and dynamic response data are obtained; performing multi-modal data fusion on the dynamic response data to obtain a residual stress reduction evaluation index; based on the residual stress reduction evaluation index, performing multi-objective decision on the multi-dimensional vibration control parameter to obtain an optimized vibration parameter; based on the optimized vibration parameters, robustness analysis is conducted on the vibration control instruction sequence of the titanium alloy die forging, and a final control instruction is obtained; based on the final control instruction, performing multi-dimensional verification on the residual stress reduction effect to obtain a final residual stress reduction report; the method can improve the residual stress reduction efficiency of the titanium alloy die forging.

The application discloses a kind of active control methods for containing unknown harmonic broadband microvibration, it is related to spacecraft microvibration control technical field, including the following steps: using acceleration sensor obtains the residual acceleration response at spacecraft load;Based on residual acceleration response, using PID controller obtains first control force;Using reference signal generator, harmonic frequency is roughly estimated, refined estimation and fine adjustment are carried out, and reference signal is generated;Based on reference signal, using parallel filter-based least mean square algorithm obtains second control force;According to first control force and second control force, total control force is obtained, and is output by executing mechanism, realizes the efficient suppression to containing multiple unknown harmonic broadband microvibration.The application solves the problem that traditional vibration control method is insufficient for harmonic disturbance control ability, and filter-based least mean square algorithm is difficult to obtain the reference signal meeting the requirements under the condition that disturbance characteristics are unknown.

The application discloses a machining chatter suppression method, system, device and storage medium, and relates to the technical field of machining. The method comprises the following steps: monitoring a vibration signal of a target machining device in real time, and transmitting the vibration signal to a controller; processing the vibration signal according to a preset active chatter suppression algorithm to generate a control signal; and driving an inertial driving device according to the control signal, so that the inertial driving device generates an inertial force corresponding to the vibration signal and acts on the target machining device. The controller processes the vibration signal by using the preset active chatter suppression algorithm and generates the control signal, thereby guaranteeing the accuracy of the vibration suppression control and replacing a traditional experience-based control mode. Then, the inertial driving device generates the inertial force corresponding to the vibration signal, the inertial force acts on the target machining device, the machining chatter is effectively suppressed, the stability of the machining process is improved, and the machining efficiency and the surface quality of a part are guaranteed.

The invention discloses a vibration suppression system and method based on an adjustable tail shaft bearing position, and relates to the technical field of tail shaft vibration suppression, and the vibration suppression system comprises a sensing module, a signal processing control module and a bearing position adjustment execution module; wherein the sensing module is used for monitoring a ship body vibration signal; a mapping relation database is stored in the signal processing control module, and the signal processing control module is used for processing the real-time vibration signals and querying the mapping relation database to generate a bearing position adjusting instruction; and the bearing position adjustment execution module is used for receiving the bearing position adjustment instruction and driving the tail shaft bearing to move to a target position. The position of the tail shaft bearing can be adjusted in a self-adaptive mode, target frequency vibration is attenuated, navigation comfort and concealment are improved, and the service life of key components of a propelling system is effectively prolonged. Meanwhile, the invention discloses a vibration suppression method based on the adjustable position of the tail shaft bearing.

To provide a mobile robot, a vibration damping method for the mobile robot, and a program that can more effectively reduce vibrations occurring in an environment sensor.SOLUTION: A mobile robot comprising a robot body and a moving mechanism configured to move the robot body, includes: an environment sensor unit that detects an environment around the mobile robot; a vibration detection unit that detects vibrations that occur in the mobile robot; and a damping unit that is arranged between the robot body and the environment sensor unit for executing damping against vibrations detected by the vibration detection unit.SELECTED DRAWING: Figure 1

A kind of band gap real-time adjustable pneumatic drive type broadband vibration isolation metamaterial and its preparation method and application.The present application belongs to the field of mechanical metamaterials.The present application is to solve the technical problem of low efficiency and low reliability caused by the cumbersome band gap adjustment method of existing vibration isolation materials.The metamaterial of the present application includes several series of basic units, the basic unit is a one-piece structure, the top and bottom are both cylindrical, the middle part is a truncated cone, the diameters of the top and bottom cylindrical correspond to the diameters of the top and bottom surfaces of the truncated cone, the basic unit has a cavity inside, the shape is the same as the overall shape of the middle part and the bottom, and the bottom cylindrical and the top cylindrical have first and second through holes respectively, which are in communication with the cavity.The present application realizes the broadband real-time adjustment of the band gap through structural design and pneumatic drive, and has the advantages of simple structure, easy processing and strong environmental adaptability, and can be used normally in conventional and various extreme environments.

An offshore wind turbine intelligent vibration control system and control method belong to the technical field of wind turbine vibration control, the control system comprises: multi-field coupling modeling module, control module, adaptive control algorithm module, digital twin integrated platform module. The present application constructs a multi-field coupling modeling module, deploys an adaptive tuned mass damper (ATMD) and a fuzzy PID-LQR hybrid controller, combines a physical information neural network (PINN) for response prediction and parameter optimization, and realizes structure state visualization, remote control and strategy optimization through a digital twin platform. The present application realizes the perception, modeling, control and feedback loop of offshore wind power structure vibration, has the advantages of high modeling accuracy, fast control response and strong adaptive ability, and is suitable for the anti-vibration operation requirements of offshore wind turbines and complex structures.

This application relates to a magnetorheological damper control method, system, electronic device, and storage medium. The method includes: acquiring a preset linear fitting model, which includes a first fitting model and a second fitting model. The first fitting model includes a linear relationship between the damping force of the magnetorheological damper and the suspension acceleration, and the second fitting model includes a linear relationship between the damping force and the suspension speed. If the real-time suspension speed is greater than or equal to a preset target speed threshold, a first predicted damping force corresponding to the real-time suspension acceleration is obtained using the first fitting model. If the real-time suspension speed is less than the target speed threshold, a second predicted damping force corresponding to the real-time suspension speed is obtained using the second fitting model. The magnetorheological damper is controlled based on the first or second predicted damping force. This method facilitates continuous and precise control of the damping force output by the magnetorheological damper.

The invention relates to a shafting vibration active control actuator and a shafting vibration active control system, the shafting vibration active control actuator comprises a rotor module, a stator module and a bearing, the rotor module comprises a magnetizer, and the magnetizer is fixedly connected with a main shaft; the stator module comprises an iron core assembly, the iron core assembly is fixed in a shell, and elastic bodies are fixed at two ends of the iron core assembly in the shell; the bearing outer ring is fixedly connected with the elastomer; the bearing inner ring is fixedly connected with the main shaft; the iron core assembly comprises an iron core, the iron core comprises a hollow cylinder, and the inner surface of the hollow cylinder extends inwards to form four first magnetic columns and four second magnetic columns; each first magnetic column is provided with a coil; each second magnetic column comprises a permanent magnet; every two coils which are symmetrical in the circumferential direction form a set of electromagnetic excitation modules, and the winding directions of the two coils of each set of electromagnetic excitation modules are the same. Dynamic excitation force is applied to the rotating shaft through the elastic body and the electromagnetic excitation module, so that shafting vibration caused by unbalanced force of the rotor or other excitation force is controlled.

The invention discloses a multilayer vibration isolation measurement and control device with a rigid-flexible coupling structure and a method. The multilayer vibration isolation measurement and control device comprises a bottom supporting part, a vibration reduction part, an annular structure part, a transmission part, a vibration detection part and a control part, the bottom supporting part comprises a bottom plate and a spring damping mechanism; the vibration reduction part comprises a bottom-layer quasi-zero stiffness vibration isolation mechanism, a first-layer quasi-zero stiffness vibration isolation mechanism and a second-layer quasi-zero stiffness vibration isolation mechanism; the annular structure part comprises a flexible inner ring, a flexible outer ring and a flexible center; the transmission part comprises a vibration excitation system; the vibration detection part and the control part are used for detecting and controlling the vibration of the flexible beam; the device can be used for researching vibration and control of the multilayer rigid-flexible coupling structure under the low-frequency up-and-down disturbance effect, and has a certain application prospect in the field of vibration measurement and vibration reduction control of the spatial multilayer rigid-flexible coupling structure.

The invention relates to the technical field of atomizer control, in particular to an intelligent atomization control method and system for an atomizer, and the method comprises the steps: obtaining parameters of an equivalent model of a piezoelectric transducer; analyzing parameter fluctuation characteristics of the piezoelectric transducer under different external conditions according to parameters of the equivalent model; constructing an overall equivalent circuit of the atomizer, wherein the overall equivalent circuit comprises an LC filter and a piezoelectric transducer at the output end of an inverter; applying one or more pulse voltages to the overall equivalent circuit to trigger a transient phenomenon, measuring a transient current in the circuit, and determining the overall resonant frequency; based on the nonlinear correlation between the whole resonant frequency and the mechanical resonant frequency of the piezoelectric transducer, fitting related data by using a curve fitting algorithm; and according to the result of the curve fitting algorithm, calculating and tracking the mechanical resonant frequency of the piezoelectric transducer, and applying the tracked mechanical resonant frequency to the atomization system. The problems of slow tracking and low efficiency caused by fluctuation of the resonant frequency of the piezoelectric transducer in an existing atomization system due to external conditions can be solved.