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Method, apparatus and article for motor control voltage dropout detection

  • US 20060022625A1
  • Filed: 07/30/2004
  • Published: 02/02/2006
  • Est. Priority Date: 07/30/2004
  • Status: Active Grant
First Claim
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1. A method of operating an electric motor driven system comprising an electric motor and a control subsystem coupled to control the electric motor, the method comprising:

  • determining if an interruption of power to the control subsystem controlling the electric motor has occurred during at least one ON/OFF cycle of the electric motor driven system before a shutdown procedure is completed; and

    delaying torque production of the electric motor if it is determined that an interruption of power to the control subsystem has occurred during the at least one ON/OFF cycle of the electric motor.

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