SYSTEM FOR GENERATING ACOUSTIC ULTRASONIC VIBRATION WITH IMPROVED AMPLITUDE CONTROL
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United States of America
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Apr 3, 2025
app pub date -
Mar 6, 2023
filing date -
Mar 6, 2023
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Abstract
A system for generating acoustic ultrasonic vibration, with a generator for generating an alternating voltage (U) with a frequency f and converter for converting the alternating voltage into acoustic ultrasonic vibration, with a control device, which captures the vibration amplitude (Aist) of the ultrasonic vibration and compares said vibration amplitude with a desired vibration amplitude (Asoil) and changes a manipulated variable with the goal of bringing the captured vibration amplitude (Aist) closer to the desired vibration amplitude (Asoil). The generator has a frequency control module with a frequency control input. The frequency control module defines, in accordance with a signal present at the frequency control input, the frequency (f) of the alternating voltage (U) to be generated. A system which at least mitigates the mentioned disadvantages, allows higher processing speeds and associated abrupt load changes. A control apparatus converts an input signal into a manipulated signal, the desired vibration amplitude (Asoil) being provided as the input signal, and the manipulated signal being connected to the frequency control input.
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