MOTOR CONTROL DEVICE
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United States of America
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Issued Date -
Dec 12, 2024
app pub date -
Nov 9, 2021
filing date -
Nov 9, 2021
priority date (Note) -
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Abstract
Provided is a technique capable of detecting an abnormality of an industrial machine when performing full-closed control on one axis by a plurality of motors in the industrial machine. This motor control device comprises: a first position acquiring unit for acquiring the position change of each motor on the basis of each of the detection signals of a plurality of first position detectors with which the plurality of motors are respectively provided; a second position acquiring unit for acquiring the position change of the one axis on the basis of the detection signal of a second position detector for directly detecting the position change of the one axis; a position calculation unit for calculating a position change of the one axis on the basis of the position change of each motor acquired by the first position acquiring unit; and an abnormality detection unit for detecting an abnormality of the industrial machine on the basis of the position change of the one axis calculated by the position calculation unit and the position change of the one axis acquired by the second position acquiring unit.
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