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Motor Controller

  • US 20090248230A1
  • Filed: 02/13/2009
  • Published: 10/01/2009
  • Est. Priority Date: 03/27/2008
  • Status: Abandoned Application
First Claim
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1. A motor controller for a motor that is driven by an inverter, the motor controller comprising:

  • a drive signal processing block that outputs drive signals to said motor by using a first drive system and a second drive system causing less switching loss than the first drive system, depending on a demanded torque for said motor; and

    a drive system determination block that, when an operating point of said motor allows selection between said first drive system and said second drive system, performs switching from said first drive system to said second drive system, based on a condition of an electric component of a vehicle or a running condition of the vehicle.

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