System and method for diagnosing a controller in a limited rotation motor system
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United States of America Patent
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-
Nov 6, 2007
Grant Date -
Apr 26, 2007
app pub date -
Nov 30, 2006
filing date -
Jan 23, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of analyzing a limited rotation motor system is disclosed. The method includes the step of providing a motor control frequency domain signal that is representative of a frequency domain representation of the motor control signal responsive to a first digital signal that is representative of a motor control signal. The method also includes the step of providing a position detection frequency domain signal that is representative of a frequency domain representation of the position detection signal responsive to a second digital signal that is representative of a position detection signal. The system further includes the steps of identifying a representation of the frequency response of the limited rotation motor responsive to the position detection frequency domain signal and the motor control frequency domain signals, and comparing the representation of the frequency response with a previously recorded representation of a prior frequency response to identify an error condition with respect to the limited rotation motor system.
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