Method for synchronous control of gantry mechanism with online inertia matching

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United States of America Patent

PATENT NO 11331762
APP PUB NO 20210154789A1
SERIAL NO

16721029

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Abstract

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A method for synchronous control of a gantry mechanism with online inertia matching is applicable to a machine tool equipped with a gantry mechanism. The gantry mechanism includes two rails, a crossbeam and a saddle, in which the saddle is disposed on the crossbeam, and the crossbeam is disposed by crossing the two rails. Each of the two rails is furnished with a driving apparatus for synchronously driving the crossbeam, and the driving apparatus includes a drive motor and a lead screw. This method includes the steps of: obtaining gantry-mechanism information; detecting position information of the saddle on the crossbeam; evaluating the position information and the gantry-mechanism information to derive load-inertia variety information; and, evaluating the load-inertia variety information to adjust torque-output information of the drive motor corresponding to the respective driving apparatus.

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Patent Owner(s)

Patent OwnerAddress
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE195 SEC 4 CHUNG HSING RD CHUTUNG HSINCHU 310401

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Min-Rong Changhua County, TW 2 4
Guo, Jun-Hong New Taipei, TW 1 0
Lee, Jih-Chieh Taipei, TW 1 0
Liang, Shih-Chang Taichung, TW 20 103
Yang, Tsung-Yu Taichung, TW 81 120

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