Parallel motor drive disable verification system and method
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United States of America Patent
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Feb 21, 2017
Grant Date -
Jan 19, 2012
app pub date -
Jul 16, 2010
filing date -
Jul 16, 2010
priority date (Note) -
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Abstract
Systems and methods are provided for performing diagnostic testing for multiple motor drives operating in parallel. In one embodiment, the diagnostic testing may involve determining which of the multiple motor drives are in operation and communicating the active configuration of motor drives to testing circuitry. The testing circuitry generates an enable input signal transmitted to the transistor gates in each of the active motor drives. The testing circuitry also generates a power supply input signal transmitted to a DC to DC converter in each of the active motor drives. The responses to the enable input signal and the power supply input signal are measured to determine safety compliance.
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