Apparatus for determining overheating of motor, method for...

Details Apparatus for determining overheating of motor, method for... Apparatus for determining overheating of motor, method for...

2007-05-22

2007-05-22

Tsai, Carol S. W. (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system

Performance or efficiency evaluation

C318S568100, C318S434000, C318S783000, C361S023000, C361S024000

Reexamination Certificate

active

11181195

ABSTRACT:
A temperature condition of a motor is estimated more accurately based on a drive amount of the motor. An apparatus for determining overheating of a motor, includes: an information obtaining section that obtains information about a drive amount of a motor and information about a stop time etc. between drive operations of the motor; a calculating section that executes a calculation of calculating an integrated value by successively adding up the drive amount of the motor based on the information about the drive amount obtained by the information obtaining section, and a calculation of subtracting, from the integrated value, a subtraction value corresponding to the stop time etc. that is obtained based on the information about the stop time etc. obtained by the information obtaining section; and a determining section that determines that the motor is in an overheated state when the subtracted integrated value obtained by the calculating section reaches a predetermined value.

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patent: 2004/0201359 (2004-10-01), Kumar
patent: 2002-186285 (2002-06-01), None

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