Master-slave manipulator control

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United States of America Patent

PATENT NO 5053975
SERIAL NO

07363071

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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After positional information of the master arm is transformed into first generalized world coordinates corresponding to positional information representing a calculated position of the slave arm, when a signal instructing an interruption of the associated operation between the master arm and the slave arm is received and then the positional relationships between the master arm and the slave arm connected thereto by use of an imaging device are updated, the first generalized world coordinates are transformed into the second generalized world coordinates based on the new positional relationships so as to restart the associated operation therebetween. The optimal control of the manipulator is conducted through matrix operations related to the change-over between imaging devices, the reset operation conducted in an area of the movable range of the master arm, and the alteration of the ratio between the movements of the associated operation.

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Patent Owner(s)

Patent OwnerAddress
HITACHI LTD 6 KANDA SURUGADAI 4-CHOME CHIYODA-KU TOKYO JAPAN A CORP OF JAPANNot Provided

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aoki, Tatsu Ibaraki, JP 3 602
Iwamoto, Taro Mito, JP 92 2173
Nakajima, Kichio Ibaraki, JP 34 1308
Takarada, Shinichi Yokohama, JP 18 698
Tsuchihashi, Akira Nagareyama, JP 11 539
Yamamoto, Hiroshi Tsuchiura, JP 1032 14677

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