- Technology for controlling oscillations of low-frequency resonance phenomena and high-frequency nonlinear phenomena -
<<Analysis and Evaluation of Ultrasonic Sound Pressure Data>>
1) Regarding time series data, we will analyze and evaluate the statistical properties of the measurement data (stability and changes of ultrasound) through feedback analysis using a multivariate autoregressive model.
2) The effects of the oscillation part due to ultrasonic oscillation will be analyzed and evaluated in terms of the response characteristics of ultrasonic vibration phenomena concerning the surface condition of the target object through impulse response characteristics and autocorrelation analysis.
3) The interaction between the oscillation and the target object (cleaning items, cleaning solution, water tank, etc.) will be evaluated through the analysis of power contribution rates.
4) Regarding the use of ultrasound (cleaning, processing, stirring, etc.), we will analyze and evaluate the dynamic characteristics of ultrasound based on the nonlinear phenomena (results of bispectral analysis) of the target object (propagation of surface elastic waves) or the ultrasound propagating in the target liquid, which are the main factors of the ultrasonic effect.
This analytical method is realized based on past experiences and achievements, adapting the analysis techniques of time series data to the measurement data of ultrasound to capture the dynamic characteristics of complex ultrasonic vibrations.
Ultrasonic propagation characteristics:
1) Detection of vibration modes
2) Detection of nonlinear phenomena
3) Detection of response characteristics
4) Detection of interactions
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