Vibration type actuator control apparatus, vibration type driving apparatus having the same, interchangeable lens, imaging apparatus, and automatic stage
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United States of America Patent
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Jul 4, 2023
Grant Date -
Sep 8, 2022
app pub date -
Feb 10, 2022
filing date -
Mar 3, 2021
priority date (Note) -
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Abstract
A vibration type actuator control apparatus, which uses a vibration from a vibrator to move a contact member, includes a control unit and a drive unit. The control unit includes first and second learned models, each having a neural network, and outputs control amounts for the drive unit to move the contact member. When a contact member moving target velocity is input, the first learned model outputs a first control amount as one of the control amounts. When a positional deviation is input, the second learned model outputs a second control amount as one of the control amounts. The drive unit moves the contact member using a value based on the first and second control amounts. The positional deviation is in association with a difference between a target position for moving the contact member and a detected position detected when the contact member is moved relative to the vibrator.
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