Development of ultrasonic control technology based on sound pressure measurement and analysis.

- Combination technology of pulse oscillation and sweep oscillation -

The Ultrasonic System Research Institute has developed ultrasonic oscillation control technology that enables the utilization of ultrasonic propagation states above 100 MHz by applying a function generator and ultrasonic probes to ultrasonic cleaners. This is a new application technology based on the measurement, analysis, evaluation, and techniques of ultrasonic propagation states for precision cleaning, processing, and stirring. By utilizing the acoustic properties (surface elastic waves) of various materials, it is possible to control ultrasonic stimulation above 100 MHz to the target object with an ultrasonic output of less than 20 W, even in a 1000-liter water tank. This was developed as an application method for nonlinear phenomena through an engineering (experimental and technical) perspective on elastic waves and an abstract algebraic ultrasonic model. The key point is to confirm the ultrasonic propagation characteristics of the target object, which is important for setting the oscillation conditions of the ultrasonic oscillation control probe as an optimization for the system's vibration modes related to sweep oscillation and pulse oscillation, serving as a control method for the original nonlinear resonance phenomenon. It is believed that this technology can be utilized in various fields, and proposals are being made in various consulting services.

• Vibration and Sound Level Meter
• Scientific Calculation and Simulation Software
• others

Technology for evaluating the dynamic characteristics of ultrasonic probes.

The Ultrasonic System Research Institute has developed manufacturing and evaluation technology for ultrasonic probes that can control ultrasonic propagation states from 500 Hz to 900 MHz, based on the classification of ultrasonic propagation characteristics (acoustic characteristics). We can manufacture and develop original ultrasonic oscillation control probes tailored to specific purposes. This technology is available for consulting. If you are interested, please contact us via email. Propagation characteristics of ultrasonic probes: 1) Detection of vibration modes (changes in autocorrelation) 2) Detection of nonlinear phenomena (changes in bispectrum) 3) Detection of response characteristics (analysis of impulse response characteristics) 4) Detection of interactions (interaction between oscillation voltage and received voltage: analysis of power contribution rate) Note: "R" is a free statistical processing language and environment. - autocor: autocorrelation analysis function - bispec: bispectrum analysis function - mulmar: impulse response analysis function - mulnos: power contribution rate analysis function

• Non-destructive testing
• Vibration and Sound Level Meter
• Scientific Calculation and Simulation Software

Application of megahertz ultrasonic oscillation control technology

The Ultrasonic System Research Institute has developed ultrasonic system technology that enables control of ultrasonic propagation states from 1 to 100 MHz by utilizing a megahertz ultrasonic oscillation control probe for ultrasonic equipment. This is a new application technology based on the measurement, analysis, evaluation, and techniques of ultrasonic propagation states, applicable to precision cleaning, processing, stirring, welding, plating, and more. By utilizing the acoustic properties (surface elastic waves) of various materials, ultrasonic stimulation of several tons of objects can be controlled with an ultrasonic output of less than 20W, even in a 1000-liter water tank. It was developed as an application method for nonlinear phenomena through an engineering (experimental and technical) perspective on elastic wave phenomena and an abstract algebraic ultrasonic model. The key point is the use of tools (elastic bodies: metal, glass, resin). By confirming the ultrasonic propagation characteristics depending on the conditions of the target object, it is important to address it as an original nonlinear resonance phenomenon (Note 1). Note 1: Original Nonlinear Resonance Phenomenon This occurs due to the generation of harmonics resulting from original oscillation control, which is realized at high amplitudes through resonance phenomena, leading to the resonance phenomenon of ultrasonic vibrations.

• Other analytical equipment
• Scientific Calculation and Simulation Software
• others

Technology for controlling megahertz sweep oscillation using a technique for adjusting the piezoelectric elements of original ultrasonic probes.

Development of technology to enable ultrasonic propagation states above 900 MHz (sweep oscillation control technology using original ultrasonic probes) The Ultrasonic System Research Institute has developed: - Measurement technology for ultrasonic propagation states (original product: ultrasonic tester) - Analysis technology for ultrasonic propagation states (nonlinear analysis system for time-series data) - Optimization technology for ultrasonic propagation states (optimization processing of low-frequency vibrations and ultrasound) - Manufacturing technology and oscillation control technology for megahertz ultrasonic oscillation probes - Surface modification treatment technology using fine bubbles and ultrasound ... By applying the above technologies, we have developed a nonlinear oscillation control technology for ultrasound that enables the utilization of ultrasonic propagation states above 900 MHz. Note: Original nonlinear resonance phenomenon The generation of harmonics caused by original oscillation control has resulted in ultrasonic vibrations (resonance phenomena of harmonics above the 10th order) achieved through resonance phenomena that produce high amplitudes. For those interested in more details, please contact the Ultrasonic System Research Institute via email. Note: The propagation states above 900 MHz will be analyzed using sound pressure data.

• Non-destructive testing
• Vibration and Sound Level Meter
• Other measuring instruments

Ultrasonic control technology based on the classification of nonlinear phenomena in which ultrasonic vibrations propagate.

The Ultrasonic System Research Institute has developed a classification method for the phenomenon of ultrasonic vibration propagation by analyzing measurement data of ultrasonic propagation states using bispectral analysis. The method developed in this instance estimates the linear and nonlinear resonance effects based on the dynamic characteristics (changes in nonlinear phenomena) of the main frequencies (power spectrum) related to the ultrasonic propagation state. From previous data analysis, we have been able to classify effective utilization methods into the following four types: 1: Linear type 2: Nonlinear type 3: Mixed type 4: Variable type There are numerous successful cases of device development and control settings based on each of the above types. This technology will be offered as a consulting service. Ultrasonic propagation characteristics: 1) Detection of vibration modes (changes in autocorrelation) 2) Detection of nonlinear phenomena (changes in bispectrum) 3) Detection of response characteristics (analysis of impulse response) 4) Detection of interactions (analysis of power contribution rates) Note: The following tools will be used for analysis. Note: "R" is a free statistical processing language and environment.

• Other Software

Application of feedback analysis using multivariate autoregressive models.

Features (in the case of standard specifications) * Measurement (analysis) frequency range Specification: 0.1 Hz to 100 MHz * Surface vibration measurement is possible * Continuous measurement for 24 hours is possible * Simultaneous measurement of any two points * Measurement results displayed in graphs * Utilization of original analysis software for time series data This is a measurement system using ultrasonic probes. Measurements are conducted by attaching the ultrasonic probe to the target object. For the measured data, considering position and state along with elastic waves, various acoustic performances are detected. Consulting services are available for sound pressure measurement analysis technology: 1) Operation of measurement equipment 2) Operation of analysis software 3) Evaluation methods for analysis results <Concept of Analysis: Statistical Thinking> Statistical mathematics has both abstract and concrete aspects, and through contact with concrete elements, abstract thoughts or methods are developed, which is the characteristic of statistical mathematics. Ultrasonic propagation characteristics: 1) Detection of vibration modes 2) Detection of nonlinear phenomena 3) Detection of response characteristics 4) Detection of interactions

• others

Application of sweep oscillation control technology to control nonlinear phenomena of ultrasound.

The Ultrasonic System Research Institute has developed ultrasonic system technology that enables control of ultrasonic propagation states above 1-700 MHz by utilizing a megahertz ultrasonic oscillation control probe for ultrasonic equipment. This is a new application technology based on the measurement, analysis, evaluation, and techniques of ultrasonic propagation states, applicable to precision cleaning, processing, stirring, welding, plating, and more. By utilizing the acoustic properties (surface elastic waves) of various materials, ultrasonic stimulation can be controlled for several tons of target objects even in a 1000-liter water tank with ultrasonic output below 20W. It was developed as an application method for nonlinear phenomena through an engineering (experimental and technical) perspective on elastic wave phenomena and an abstract algebraic ultrasonic model. The key point is the use of tools (elastic bodies: metal, glass, resin). By confirming the ultrasonic propagation characteristics depending on the conditions of the target object, it is important to address it as an original nonlinear resonance phenomenon (Note 1). Note 1: Original Nonlinear Resonance Phenomenon This phenomenon occurs due to the generation of harmonics resulting from original oscillation control, realized at high amplitudes through resonance phenomena, leading to ultrasonic vibration resonance phenomena.

• Non-destructive testing
• Other measuring instruments
• others

Development of an ultrasonic probe utilizing the acoustic properties of Teflon rods (with iron cores).

The Ultrasonic System Research Institute has developed an ultrasonic oscillation control system for various solvents (such as hydrofluoric acid and hydrochloric acid) using Teflon (PTFE). By confirming the basic acoustic properties (response characteristics, propagation characteristics) of Teflon rods (with iron cores), it enables the desired ultrasonic propagation state through oscillation control (output, waveform, oscillation frequency, variations, etc.). Specifically, using two types of ultrasonic oscillation control probes, we set oscillation conditions based on measurements and analyses of the intended purpose and interactions, combining sweep oscillation and pulse oscillation. In particular, to control low-frequency resonance phenomena, we utilize high-frequency nonlinear phenomena. Therefore, sound pressure measurements require a measurement range of over 100 MHz. The key point is to evaluate the dynamic vibration characteristics of the system based on the measurement and analysis of sound pressure data. We are establishing and confirming new evaluation criteria (parameters) that indicate the appropriate state of ultrasound for the intended purpose. Note: - Nonlinear characteristics (dynamic characteristics of harmonics) - Response characteristics - Fluctuation characteristics - Effects due to interactions

• pump
• Analysis and prediction system
• others

Sound flow control technology

The Ultrasonic System Research Institute has developed ultrasonic cleaning technology that enables control of acoustic flow (ultrasonic propagation state) from 1 to 100 MHz by utilizing a megahertz ultrasonic oscillation control probe in relation to ultrasonic cleaners. This is a new application technology for precision cleaning, processing, and stirring based on the measurement, analysis, evaluation, and technology of ultrasonic propagation states. By utilizing the acoustic properties (surface elastic waves) of various materials, ultrasonic stimulation to the target object can be controlled even in a 1000-liter tank with ultrasonic output below 20W. It was developed as an application method for nonlinear phenomena through an engineering (experimental and technical) perspective on elastic wave phenomena and an abstract algebraic model of ultrasound. The key point is the use of tools (elastic bodies: metal, glass, resin). By confirming the propagation characteristics of ultrasound depending on the conditions of the target object, it is important to address it as an original nonlinear resonance phenomenon (Note 1). Note 1: Original Nonlinear Resonance Phenomenon This phenomenon occurs due to the generation of harmonics resulting from original oscillation control, which is realized at high amplitudes through resonance phenomena, leading to ultrasonic vibration resonance.

• Water Treatment
• Other measuring instruments
• others

Technology for controlling low-frequency resonance phenomena and high-frequency nonlinear phenomena.

The Ultrasonic System Research Institute has developed ultrasonic oscillation control technology utilizing nonlinear vibration phenomena based on surface acoustic waves. By confirming the basic acoustic characteristics (response characteristics, propagation characteristics) for various targets (water tanks, transducers, probes, jigs, objects, etc.), the desired ultrasonic propagation state can be achieved through oscillation control. By setting the oscillation conditions (waveform, output, control, etc.) with an original nonlinear resonant ultrasonic oscillation probe, we optimize high-frequency propagation states above 300 MHz through high sound pressure resonance phenomena and harmonic generation phenomena (nonlinear phenomena). This technology is an efficient method for utilizing low-output ultrasonic oscillation. The key point is the setting of various parameters utilizing the characteristics of a discrete function generator through digital control. By using the nonlinear resonant ultrasonic oscillation probe, the control range of sound pressure levels due to resonance phenomena is greatly expanded, which is significantly different from conventional sound pressure levels caused by resonance phenomena. Therefore, optimization of control settings based on sound pressure measurement analysis is necessary to avoid phenomena such as damage or destruction.

• Special Construction Method
• Non-destructive testing
• others

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