Movement system and position estimation method

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United States of America Patent

PATENT NO 12085967
APP PUB NO 20230213949A1
SERIAL NO

17912523

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Abstract

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A servomotor (20) is driven to move a machine (10) with a ball screw (30). A first sensor (50) detects presence of the machine (10) at a first reference position (P) being predefined. A controller (60) stores a state of the servomotor (20) detected by an encoder (40) as reference state information upon detection of the machine (10) by the first sensor (50). The controller (60) estimates a position of the machine (10) based on the state of the servomotor (20) detected by the encoder (40) and the reference state information.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI ELECTRIC CORPORATIONCHIYODA-KU TOKYO 100-8310

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harakawa, Tsubasa Tokyo, JP 1 0
Motomaru, Hiroshi Tokyo, JP 1 0

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