122 results about "Mechanical resonance" patented technology

The invention relates to the technical field of arc discharge control, in particular to an arc discharge machine control method based on multi-parameter collaborative optimization, which comprises the following steps of: generating a first regulation and control instruction by adopting a fuzzy PID (Proportion Integration Differentiation) algorithm based on a deviation value between a dynamic parameter feedback signal and a preset threshold value, the axial feeding speed of the servo motor, the power output curve of the arc generator and the coolant spraying time sequence are synchronously adjusted, so that the arc energy density gradient and the workpiece heat conduction rate form dynamic balance, the mechanical resonance frequency in the machining process is monitored through the vibration spectrum analysis unit, and when it is detected that the resonance intensity exceeds a safety threshold value, the coolant spraying time sequence is started. And a second regulation and control instruction is generated by triggering a frequency compensation algorithm, and the driving frequency of the servo motor is corrected in real time, so that the control precision is improved, the arc discharge process is more stable, the response speed is increased, the arc discharge time is shortened, the adaptability is enhanced, the requirements of different materials and processes can be met, the energy consumption is reduced, and the production efficiency is improved.

The invention relates to the technical field of fault detection, in particular to a mutual inductor fault detection method and system, and the method comprises the steps: synchronously collecting a mutual inductor iron core vibration acceleration signal, a leakage magnetic flux intensity signal and a surface temperature field distribution signal, and generating a multi-physical field original data set; carrying out mechanical resonance characteristic analysis on the multi-physical field original data set, implementing adaptive noise filtering, and outputting a de-noised characteristic set; inputting into a multi-scale feature fusion module, and generating a multi-dimensional feature tensor comprising a time-frequency feature, a spatial distribution feature and an energy evolution feature; dynamically extracting a fault sensitive factor set from the multi-dimensional feature tensor, wherein the fault sensitive factor set comprises a mechanical deformation sensitive factor, an insulation degradation sensitive factor and a poor contact sensitive factor; and constructing a fault mode recognition model, and outputting corresponding fault types, fault levels and positioning information. According to the invention, through multi-physical field synchronous acquisition and fusion analysis, the accuracy and reliability of mutual inductor fault detection are significantly improved.

The invention provides an industrial circuit board intelligent repairing method and system based on a lossless damping chip, and the method comprises the steps: obtaining multi-dimensional acoustic response data in an industrial circuit board, carrying out the spatial analysis of a phase offset in the data, and generating a three-dimensional geometric boundary coordinate set of a microcrack region; activating a resonant wave stabilization processing mode of the lossless damping chip, and generating a mechanical resonant frequency and a dynamic constraint force field for inhibiting crack propagation; generating a target filling scheme according to the stress distribution state of the dynamic constraint force field; constructing a conductive filling path topological structure, and generating a continuous conductive interface; according to the resonance response characteristic between the continuous conductive interface and the mechanical resonance frequency, a micron-sized crack repairing scheme is generated, and intelligent repairing of the industrial circuit board is carried out. The method breaks through the problem of fuzzy positioning of the crack spatial form in the traditional detection technology; the accurate permeation of the filling material along the crack is ensured; verification and closed loop feedback of the repairing effect are achieved, and the stability and reliability of the repaired industrial circuit board are remarkably improved.

The invention relates to the technical field of textile equipment testing, in particular to a yarn textile high-speed spindle operation stability testing method and system, and the method comprises the following steps: S1, testing element layout; s2, initializing the system; s3, carrying out transient test; s4, testing a steady state; s5, interference processing: carrying out spectrum analysis on the originally acquired data, identifying interference frequency characteristics, eliminating interference by adopting a notch filtering and Kalman filtering combined method, and verifying a filtering effect; s6, parameter correlation modeling: constructing a vibration-temperature-tension-rotating speed parameter correlation model by adopting a control variable method, solving model parameters through a fitting algorithm and verifying validity; s7, quality tracing; s8, stability judgment; and S9, performing real-time monitoring and regulation. According to the method, a combined filtering scheme of notch filtering and Kalman filtering is adopted, fixed interference and random interference such as power frequency and mechanical resonance are suppressed in a targeted manner, and through comparison of locally amplified signals, the filtered signals are smooth in waveform and thorough in noise removal, and the signal-to-noise ratio and reliability of vibration detection signals are improved.

A method for detecting interference between a transducer of acoustic signals and a sensor having a mechanical resonance frequency with a frequency band that includes transmitting an acoustic signal within a known range of frequencies, in a sequence during a predetermined time window, monitoring the output signal from the sensor within said time window, comparing the transmitted signal with the sensor output signal and detecting deviations in the sensor output signal corresponding to frequencies in the acoustic signal, and determining the acoustic frequencies interfering with the sensor signal. A system for detecting interference including a transducer, configured to emit a sequence of acoustic signals, and a sensor configured to produce an output signal, an analysis unit adapted to monitor said output signal with the acoustic signal.

The invention discloses a double-inertia elastic position servo system and a control method thereof, and the method comprises the steps: taking a motor speed as the input of a second-order linear expansion state observer in an active disturbance rejection controller, introducing a speed observation error, reconstructing internal and external disturbances, and observing the motor speed and the internal and external disturbances. The structure of the observer is simplified, the response speed of the system is improved, system internal and external disturbances including time-varying elastic disturbances caused by elastic deformation of the transmission mechanism are observed in real time, the time-varying elastic disturbances are compensated in combination with state error feedback, and the resonance problem is suppressed. According to the double-inertia elastic position servo system and the control method thereof, the system structure is simplified, the response speed of the system is increased, the anti-interference capacity of the system is improved, meanwhile, the inherent problems of mechanical resonance, position tail end buffeting and the like of the double-inertia elastic position servo system are effectively solved, and high-precision position servo control is achieved.

The invention provides a hydraulic turbine set valve fault diagnosis method, system, equipment and product, and is applied to the field of hydroelectric equipment fault diagnosis. On one side of the edge end, an initial voiceprint signal, an initial vibration signal and temperature data of a hydraulic turbine set valve are collected; taking the initial voiceprint signal as a reference signal, and performing noise reduction processing on the initial vibration signal based on the time domain correlation between the fluid noise in the initial voiceprint signal and the first noise in the initial vibration signal; by taking the vibration noise reduction signal as a reference signal, performing noise reduction processing on the initial voiceprint signal based on the frequency domain correlation between the mechanical resonance noise in the vibration noise reduction signal and the second noise in the initial voiceprint signal; and based on the vibration noise reduction signal, the voiceprint noise reduction signal and the temperature data, performing fault diagnosis on the hydraulic turbine set valve to obtain a fault diagnosis result. Therefore, fault diagnosis is carried out through cooperative noise reduction of the voiceprint signal and the vibration signal in combination with multi-dimensional data, and the fault diagnosis accuracy of the hydraulic turbine set valve is improved.

A control device includes a calculating unit that calculates a panning control velocity and a tilting control velocity to cause, to be identical, driving time for driving a panning driving unit to a panning target position and driving time for driving a tilting driving unit to a tilting target position. If at least one of the calculated panning control velocity or the calculated tilting control velocity is included in a range of a specified velocity specified based on mechanical resonance of an image capturing unit, the calculating unit corrects the panning control velocity and the tilting control velocity to cause, to be identical, the driving time for driving the panning driving unit to the panning target position and the driving time for driving the tilting driving unit to the tilting target position.

The invention relates to the technical field of transformer regulation, and particularly discloses an on-load tap-changing transformer voltage monitoring method and system fused with optical fiber sensing, and the method comprises the steps: obtaining multi-mode monitoring data outputted by an optical fiber sensor, the multi-modal monitoring data comprises voltage fluctuation waveform data, vibration spectrum data, temperature distribution data and a load current change rate; acquiring real-time power grid disturbance data according to the voltage fluctuation waveform data; acquiring mechanical resonance phase data according to the vibration spectrum data; and establishing a winding hot-spot temperature change gradient according to the temperature distribution data, and generating a temperature-load correlation coefficient according to the winding hot-spot temperature change gradient. According to the invention, through multi-mode monitoring data acquisition, the operation state of the transformer is comprehensively mastered, the problem of single traditional monitoring data is solved, and cognition of the overall condition of the transformer is improved.

The invention relates to the technical field of capacitor testing, in particular to a full-working-condition equivalent testing system and method for a capacitor for direct-current power transmission. The method comprises the following steps: applying a single-frequency AC component to a capacitor, and obtaining an inherent single-frequency loss baseline of the capacitor under single-frequency excitation; determining harmonic coupling loss according to the single-frequency loss baseline; strong interaction harmonic pairs are screened out according to harmonic coupling loss, and additional loss is measured again under the condition that controlled thermal gradient disturbance and mechanical resonance excitation are applied to calibrate a thermal field gain factor and a mechanical vibration gain factor; and based on the thermal field gain factor and the mechanical vibration gain factor, evaluating the total loss of the full-working-condition test to obtain full-working-condition test data. According to the method, accurate evaluation and contribution degree decomposition of the loss characteristics of the capacitor under the multi-physical-field full working condition are realized.

The invention discloses a vibration suppression hydrogen valve. A vibration mode is monitored in real time through a high-precision acceleration sensor array, an anti-phase excitation signal is generated through a self-adaptive control algorithm, mechanical resonance caused by high-pressure hydrogen flow is suppressed, the vibration amplitude is reduced, the service life of the valve is prolonged, and meanwhile, noise and energy loss of a hydrogen system are reduced. The vibration mode is monitored in real time through the high-precision acceleration sensor array, an anti-phase excitation signal is generated through a self-adaptive control algorithm, mechanical resonance caused by high-pressure hydrogen flowing is restrained, the vibration amplitude is reduced, the service life of a valve is prolonged, and meanwhile the noise and energy loss of a hydrogen system are reduced.

The application discloses a kind of multi-parameter collaborative control method and system of traction machine frequency converter, is specifically related to elevator traction machine frequency converter control technical field, for solving the mechanical resonance problem caused by parameter discrete setting in prior art;It is by real-time acquisition speed, torque and current parameters, extract harmonic component and calculate energy distribution ratio to identify resonance state, and then modal decomposition and modal participation factor calculation are carried out to resonance band signal, according to determine key parameters and adjustment direction, finally realize the effective suppression of mechanical resonance by multi-parameter collaborative adjustment set value.

The invention relates to the field of enclosed bus detection, in particular to an intelligent detection method and system for the operation state of an enclosed bus. The method comprises the following steps: acquiring a multi-source real-time monitoring data set of an isolated-phase bus, and based on the multi-source real-time monitoring data set, performing time-frequency domain transformation processing on a three-axis vibration acceleration signal to separate and extract vibration characteristic frequency components dominated by electrodynamic pulsation, and generating a bus vibration characteristic spectrum set; on the basis, operation modal analysis and electrodynamic force frequency identification are carried out, the dominant inherent frequency and the electrodynamic force main excitation frequency of the bus structure are solved in real time, the approaching degree and the energy coupling degree between the dominant inherent frequency and the electrodynamic force main excitation frequency are calculated, and a mechanical resonance risk index set is generated; based on this, multi-dimensional evaluation of the resonance risk state is performed, and a closed bus resonance risk state report for guiding operation and maintenance intervention is generated accordingly. According to the invention, in the enclosed bus operation state detection process, the safety and reliability of power grid key equipment are significantly improved.

The invention discloses a continuous acoustic strengthening system and method, and relates to the technical field of raw material treatment and process strengthening treatment, the continuous acoustic strengthening system comprises a bottle A, a pump set, a strengthening unit set, a mechanical resonator and a bottle B; the strengthening unit group is not less than one container with an inlet and an outlet; the pump set consists of a pipeline, a pump and a valve, and can be used for pumping contents in the bottle A / bottle B to the bottle B / bottle A through the strengthening unit set; the mechanical resonator is a multi-mass vibration system and forms a mechanical resonance system with the strengthening unit group, so that the strengthening unit group can generate mechanical resonance with the frequency ranging from 40Hz to 80Hz and the amplitude ranging from 2mm to 20mm; according to the continuous acoustic strengthening system and method, the materials continuously entering the strengthening unit group are subjected to continuous acoustic strengthening treatment, so that various treatment purposes of the materials, such as mixing, dispersing, coating, polishing, crushing, emulsifying, extracting, dissolving and chemical reaction strengthening of the raw materials can be completed.

The invention discloses an air cooling radiator fan rotating speed control method and system, and relates to the technical field of fan control, and the method comprises the following steps: collecting vibration acceleration data on a controller circuit board of a multi-fan array; evaluating the current vibration state of the fan system based on the vibration acceleration data; adjusting a synchronization error allowable range of the multi-fan array based on the vibration state; acquiring real-time rotating speed information of each fan in the multi-fan array; generating a signal correction instruction based on the synchronization error allowable range and the real-time rotating speed information of each fan; and adjusting the rotating speed of each fan in the multi-fan array on the basis of the signal correction instruction. The embodiment of the invention has the advantages of effectively coping with the rotating speed synchronous control challenge of the fan system in different vibration states by dynamically adjusting the allowable range of the synchronous error, and avoiding the instability of the control system and hardware degradation caused by mechanical resonance.

Provided is a micromechanical electrical signal amplifier, which can be applied to the field of microelectronics. The structure of the amplifier comprises: an electro-mechanical conversion structure for generating an electrostatic driving displacement; a mechanical resonance structure for generating an amplified electrical signal in response to the amplified electrostatic driving displacement; and a mechanical-electric conversion structure for outputting the amplified electrical signal, wherein the mechanical resonance structure comprises a first surface and a second surface arranged oppositely; the electro-mechanical conversion structure is connected to the first surface of the mechanical resonance structure; and the mechanical-electric conversion structure is connected to the second surface of the mechanical resonance structure. The elastic beam group in the mechanical resonance structure adopts a piezoresistive material, and the self-amplification effect of the mechanical resonance structure is used to amplify the electrostatic force response displacement and further amplify the electrical signal.

For tuning a vibrating conveyor with an electric vibrator unit (4) driving a vibrating element (5) connected with a conveying unit (3) of the vibrating conveyor (1) so that the conveying unit (3) is oscillated to a mechanical resonance frequency f R of the vibrating conveyor (1), it is provided that the electric drive unit (10) changes the frequency f V of the alternating drive voltage (u V ) in a given frequency range, that the current consumption of the electric vibrator unit (4) is measured at different applied frequencies f V of the alternating drive voltage (u V ) and that the electric drive unit (10) uses the frequency f V with the lowest current consumption of the electric vibrator unit (4) as the frequency f V of the alternating drive voltage (u V ) to operate the vibrating conveyor (1).

Provided is a control device for an alternating-current rotary electric machine that can reduce noise and suppress an increase in noise of the alternating-current rotary electric machine by taking into account a mechanical resonance period of the alternating-current rotary electric machine, and an electric power steering device. The control device (10) for the alternating-current rotary electric machine switches n zero-phase candidate voltage values in order every switching period (Tv) to calculate a zero-phase voltage value (Vz), turns on and off a switching element based on a voltage command value corrected based on the zero-phase voltage value (Vz), sets a deviation between the zero-phase voltage value (Vz) and a value that is a j multiple of the zero-phase voltage value (Vz) delayed by the switching period (Tv) as a zero-phase time delay deviation value (Vzdif), j is a natural number that minimizes a difference between a half period of a mechanical resonance period (Tm) of the alternating-current rotary electric machine and a j multiple of the switching period (Tv), the n zero-phase candidate voltage values are set in advance so that a root mean square value (Vzdif_rms) of the zero-phase time delay deviation value is smaller than an alternating-current component root mean square value (VzAC_rms) of the zero-phase voltage value.

The utility model discloses a mechanical resonance type vehicle suspension dynamic performance testing device which comprises a mechanical excitation device, a wheel fixing device and a bottom plate, the mechanical excitation device is installed on the bottom plate and generates displacement excitation, and the wheel fixing device is installed on the mechanical excitation device and fixes vehicle wheels. Displacement excitation generated by the mechanical excitation device acts on vehicle wheels through the wheel fixing device, and displacement excitation is generated on a vehicle suspension. The mechanical shock excitation device is reasonable in structural design, the mechanical shock excitation device adopts an inner and outer eccentric wheel structure and has the characteristics of large load, adjustable amplitude and frequency and compact structure, and the wheel fixing device is simple in structure, reliable in fixation, lower in manufacturing cost, simple to maintain and convenient to arrange and use in a production field.

The invention provides a reconfigurable topological humanoid robot based on morphological resonance and quantum perception, and the system comprises a reconfigurable topological robot body which is composed of intelligent skeleton units which can be dynamically recombined and connected, and the mechanical structure of the reconfigurable topological robot body is used as a memory medium of a motion skill; the distributed quantum entanglement sensing network is integrated to all the intelligent skeleton units, and instantaneous and zero-delay collaborative sensing of the whole body state of the robot is achieved through the quantum entanglement state; and the morphological resonance track excitation system directly generates a target motion track by exciting a specific mechanical resonance frequency mode of the robot body. According to the invention, a core normal form of a physical form, namely a memory medium, is provided, motion skills are coded in variable mechanical topology and resonance characteristics, global synchronization is realized through quantum entanglement, and motion is excited and induced through resonance, so that natural acquisition, physical storage and adaptive reproduction of the skills are realized; and a traditional hierarchical control architecture of'calculation-control-execution 'is thoroughly subverted.

The invention provides a precise motion control system and a control method thereof, and relates to the technical field of automatic control. The system comprises a visual track acquisition and characterization unit, a multi-source working condition perception and data fusion unit, a resonance characteristic mining and parameter mapping unit and an online parameter injection and controller reconstruction unit. The method comprises the following steps: acquiring an optical mark point image at a motion tail end, generating actual track data by adopting a sub-pixel edge extraction algorithm, synchronously acquiring multi-source working condition information such as load current, temperature and working position, performing data fusion, and dynamically outputting controller parameters according to real-time working conditions by utilizing a parameterized prediction model. And finally, the parameters are injected into a digital filter through a dynamic link library to realize online reconstruction of the controller. The problem that the motion precision of a fixed parameter control system is reduced due to mechanical resonance when working conditions change is solved, adaptive adjustment of parameters of a motion controller is achieved, and the track precision and the operation stability of a precise motion system are remarkably improved.

The application discloses a kind of multimodal collaborative motion control method and system of semiconductor probe station, the method includes: in the transition period of macro motion table carrying wafer to execute large stroke deceleration and at deceleration end section, the coupling disturbance characteristics that the estimated disturbed trend that macro motion table will cause micro motion table is obtained based on the residual motion state of macro motion table and is characterized, based on coupling disturbance characteristics drive micro motion table to execute reverse feedforward compensation trajectory, inhibit the residual oscillation that the residual oscillation of micro motion table is excited by the structural coupling transmission of macro motion table sudden stop kinetic energy;In the process that micro motion table carries probe approaches wafer, the occurrence of physical contact event is judged according to the transient singular feature extracted to the driving signal of micro motion table time-frequency analysis, in response to the determination result, the control mode of micro motion table is switched from trajectory tracking mode with position follow as target to energy dissipation mode with mechanical resonance energy as target, realize the effect of giving priority to both efficiency and high accuracy.

The application discloses a kind of air-cooled radiator fan rotating speed control method and system, it is related to fan control technical field, its method includes: the vibration acceleration data on the controller circuit board of multiple fan array is collected;Fan system is currently based on the vibration acceleration data evaluation vibration state;Based on the vibration state adjustment multiple fan array Synchronization error allowable range;Real-time rotating speed information of each fan in the multiple fan array is obtained;Based on the synchronization error allowable range and the real-time rotating speed information of each fan Signal correction instruction is generated;Based on the signal correction instruction, the rotating speed of each fan in multiple fan array is adjusted, and the embodiment of the application has the advantages that the synchronization error allowable range is adjusted dynamically, effectively cope with the rotating speed synchronization control challenge of fan system under different vibration states, avoid the instability of control system and the disadvantage of hardware degradation caused by mechanical resonance.

The invention discloses a bladder function improvement system and method for urethral dilation. The system identifies tissue viscoelasticity and calculates mechanical resonance frequency on the basis of a Kelvin-VoIP model, and a dynamic pulsating expansion pressure field fitting tissue characteristics is generated through a dynamic rheology driving unit. According to the method, a mechanical electrophysiology double-frequency phase locking technology is adopted, nerve electrical stimulation is accurately anchored to the wave crest phase of mechanical pressure waves, and the synergistic interaction of tissue physical remodeling and nerve reflex arc repairing is achieved. Meanwhile, a spasm-induced fluid impedance instantaneous damping feedback mechanism is introduced into the system, and when abnormal myoelectricity is monitored, the rigidity of the system is instantaneously reduced so as to actively defend damage caused by spasm. Closed-loop control is established through quantified rheological indexes, the problems that traditional rigid expansion is large in blindness and prone to tearing are solved, and precise, intelligent and safe rehabilitation treatment of urethrostenosis is achieved.

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.

The application discloses an ultrafiltration permeation regulation method and device based on a gradient sponge structure dialysis membrane and relates to the technical field of hemodialysis. An intelligent response membrane assembly containing a nonlinear aperture gradient is constructed; a signal is collected and a concentration polarization critical index is calculated; when the threshold value is exceeded, a multi-frequency coupling pulse control instruction containing a mechanical resonance excitation waveform and a phase reverse matching osmotic pressure oscillation waveform is generated; mechanical resonance excitation is applied to the blood side to induce membrane layer micro-breathing deformation, and an osmotic pressure oscillation waveform is injected into the dialysate side to form a reverse solute diffusion field; microgel deformation feedback signals are monitored in real time, waveform parameters are dynamically adjusted, and the concentration polarization critical index is returned to a safe interval until the ultrafiltration flux is adaptively regulated. The device comprises an intelligent gradient membrane assembly, a fluid power regulation module, an osmotic pressure wave generation module, a sensing feedback array and a central processing unit, can effectively inhibit membrane pollution and concentration polarization, and improves the system operation stability.

This invention relates to the field of building materials and precast concrete component manufacturing technology, and discloses an integrated process for precise positioning and centrifugal compaction of steel reinforcement skeletons for non-prestressed cement poles. It aims to solve the problems of existing centrifugal processes lacking dynamic feedback, failing to effectively correct mid-span deflection of the steel reinforcement skeleton, and being prone to mechanical resonance and uneven pipe wall compaction due to the solidification operation mode. The process uses laser to acquire three-dimensional projection data of the skeleton, driving the support mechanism to apply an upward compensating force for centering and mold closing verification. During the centrifugation stage, the motor current and machine base vibration frequency are monitored to dynamically adjust the speed, phase, and acceleration, achieving adaptive material uniformity and traversing the resonance zone. Simultaneously, the slope of the motor power load change is monitored to determine the compaction degree, and the opening angle of the slurry discharge valve is synchronously adjusted according to the controlled deceleration gradient. This achieves physical centering of the skeleton before mold closing, constructs a dynamic centrifugal closed loop based on dynamic feedback, quantifies the compaction benchmark, and smoothly releases pressure.

According to the compressor control method and device, the medium and the air conditioner, vibration risk parameters of a compressor are obtained, an energy efficiency mode or a vibration suppression mode is triggered according to the vibration risk parameters, and target torque compensation coefficients and target operation frequencies in the two modes are correspondingly determined to control operation of the compressor. According to the scheme, the limitation of a traditional single frequency-torque compensation coefficient mapping relation is broken through, the regulation and control strategy can be dynamically switched according to the vibration risk, and energy efficiency improvement is guaranteed through the adaptive compensation coefficient and frequency when the energy efficiency mode is triggered; and when the vibration suppression mode is triggered, the mechanical resonance under the low-frequency working condition is effectively suppressed by the corresponding parameter combination, and the operation stability is improved, so that the precise balance between the energy efficiency improvement and the operation stability optimization is realized.

The invention discloses a system and a method for disabling a microphone of a mobile terminal through peripheral simulation. A dual disabling mechanism of system-level microphone occupation and physical-level ultrasonic shielding is realized through a peripheral device connected with a charging interface. The method comprises the steps of collecting a charging interface state, equipment vibration and audio configuration parameters, identifying an equipment type and extracting a mechanical conduction path; registering virtual audio equipment to obtain a system permission, and scanning and positioning the resonant frequency of a microphone; configuring ultrasonic parameters to generate an eddy current interference mode, and constructing a turbulence barrier path; generating a resonance enhancement primitive library based on the mechanical conduction path and the barrier path, and coupling the resonance enhancement primitive library with the focus token to form a directional shielding scheme; constructing a mechanical resonance envelope based on a vibration conduction efficiency peak value, and judging interference coverage to form a shielding effect field; and finally, an optimal parameter combination is positioned in a multi-dimensional interference space through hierarchical search, reliable forbidding of the mobile phone microphone is realized, and power consumption control and equipment compatibility are considered while the forbidding effect is ensured.

The invention relates to the technical field of smart home equipment, in particular to a sweeper base station integrated with a dehumidification function, the base station carries a control system, and the system comprises an environment monitoring module, a material matching module, a state suppression module, a stable operation module and a health management module. According to the invention, through cooperative monitoring of multi-area humidity and air velocity, in combination with a hygroscopic material characteristic library, material types and deployment positions are accurately adapted, the adsorption efficiency of a difference humidity interval is optimized, high-humidity residues are reduced, and through mapping matching of a vibration spectrum and a humidity resonance rotating speed, dynamic parameters are dynamically adjusted, and a safe rotating speed interval is constrained; mechanical resonance caused by humidity is inhibited, operation stability is improved, vibration amplitude, spectral characteristics and stress correlation models are integrated, rotating speed fluctuation and stress abnormity are responded in real time, mechanical wear is reduced, regulation and control frequency and stress distribution data are integrated to predict the wear trend of components, and the maintenance period and the service life of equipment are prolonged.