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Control system and method for electric vehicle

  • US 7,277,782 B2
  • Filed: 04/25/2005
  • Issued: 10/02/2007
  • Est. Priority Date: 01/31/2001
  • Status: Expired due to Term
First Claim
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1. An electric traction vehicle comprising:

  • a vehicle platform;

    a communication network;

    wherein a plurality of microprocessor-based interface modules coupled to each other by way of the communication network, each of the plurality of microprocessor-based interface modules being configured to store I/O information for input and output devices coupled to the remaining microprocessor-based interface modules, the plurality of microprocessor-based interface modules also being coupled to the plurality of electric motors and being configured to process input information received by way of the communication network to control the plurality of electric motors;

    a plurality of drive wheels coupled to the vehicle platform;

    a plurality of electric motors coupled to respective ones of the plurality of drive wheels, the plurality of electric motors being used to drive the plurality of drive wheels;

    an electrical connector-configured to be used to allow an electrical power-consuming system off-board the vehicle to be connected to the vehicle and draw AC power from the vehicle; and

    a power source coupled to the vehicle platform, the power source being used to provide AC power to the plurality of electric motors and the electrical connector;

    wherein the power source provides AC power to the plurality of electric motors by way of an AC bus assembly;

    wherein the power source provides three phase AC power to the plurality of electric motors and the electrical connector;

    wherein the power source provides AC power having a frequency of either about 50 Hz or about 60 Hz and a voltage in a range of about 460–

    480 VAC to the electrical connector.

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