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Failure mode operation for an electric vehicle

  • US 7,302,320 B2
  • Filed: 09/27/2004
  • Issued: 11/27/2007
  • Est. Priority Date: 12/21/2001
  • Status: Expired due to Term
First Claim
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1. An electric traction vehicle comprising:

  • a vehicle platform;

    a communication network;

    a power source coupled to the vehicle platform;

    a power storage unit coupled to the vehicle platform;

    a plurality of drive wheels rotatably mounted on the vehicle platform;

    a plurality of electric motors which are used to drive the drive wheels, the electric motors receiving power from the power source and/or the power storage unit; and

    one or more microprocessor based modules coupled to the communication network, the modules being used to provide control information to control the output of the electric motors, the modules being configured to vary the control information based on whether the power storage unit is online or offline due to a failure in a power distribution and control system.

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