METHOD FOR CONTROLLING A PIEZOELECTRIC DRIVE UNIT
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United States of America Patent
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Issued Date -
May 16, 2024
app pub date -
Jun 22, 2022
filing date -
Jul 28, 2021
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Abstract
The invention relates to a method for controlling a piezoelectric drive unit (81). For this purpose, a first control signal is applied to a first electrode (90a) of the first piezo element (95) of the piezoelectric drive unit (81). Additionally, a second control signal is applied to a second electrode (90b) of the first piezo element (95) of the piezoelectric drive unit (81). The first control signal is configured as a continuous positive first voltage signal. The second control signal is configured as a constant second voltage signal. The first control signal is always greater than the second control signal.
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