Position controller

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United States of America Patent

PATENT NO 11132006
APP PUB NO 20200183431A1
SERIAL NO

16617608

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Abstract

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A position controller that performs position control by outputting a drive signal to a control valve of a hydraulic actuator that changes an operation position of an object, includes: a position acquisition unit that acquires an actual value of an operation position of the object; a position control unit that calculates an operation command value for the control valve by closed-loop control so as to reduce a deviation between a target value of the operation position of the object and the actual value; and a vibration wave application unit that applies a vibration wave to a signal of the closed-loop control so that the operation command value vibrates at a predetermined frequency at start of the closed-loop control.

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Patent Owner(s)

Patent OwnerAddress
KAWASAKI JUKOGYO KABUSHIKI KAISHAJAPAN HYOGO PREFECTURE HYOGO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Akihito Kakogawa, JP 12 80
Imai, Hideyuki Akashi, JP 55 415
Kobayashi, Shuma Kobe, JP 3 2
Matsuda, Kippei Kobe, JP 24 17
Nakashima, Kenichi Kobe, JP 20 283
Ootsuki, Satoshi Akashi, JP 4 13

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