ABNORMALITY DETECTION DEVICE WHICH DETECTS ABNORMALITIES IN POWER TRANSMISSION MECHANISM FOR TRANSMITTING ROTATIONAL FORCE OUTPUTTED BY MOTOR

This abnormality detection device is provided with a first encoder for detecting the rotation angle of an input shaft of a decelerator, and a second encoder for detecting the rotation angle of an output shaft of the decelerator. An operation control unit controls a servo motor such that the position...

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Bibliographische Detailangaben
1. Verfasser:	Yokoyama, Yoshiaki
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS CHAMBERS PROVIDED WITH MANIPULATION DEVICES HAND TOOLS MANIPULATORS MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PHYSICS PORTABLE POWER-DRIVEN TOOLS TARIFF METERING APPARATUS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR TRANSPORTING
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Beschreibung
Zusammenfassung:	This abnormality detection device is provided with a first encoder for detecting the rotation angle of an input shaft of a decelerator, and a second encoder for detecting the rotation angle of an output shaft of the decelerator. An operation control unit controls a servo motor such that the position acquired from the output of the second encoder corresponds to a position determined by an operation program. A detection unit calculates the angle difference, which is the difference between the rotation angle acquired from output of the first encoder and the rotation angle acquired from output of the second encoder. The detection unit determines whether or not the decelerator is abnormal on the basis of the angle difference.