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METHOD AND APPARATUS FOR CONTROLLING A VEHICLE COMPUTER MODEL WITH UNDERSTEER

  • US 20050125207A1
  • Filed: 12/09/2003
  • Published: 06/09/2005
  • Est. Priority Date: 12/09/2003
  • Status: Active Grant
First Claim
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1. A simulation system for simulating an operation of an automotive vehicle comprising:

  • an input providing vehicle information and path information;

    a controller having a vehicle computer model therein, said controller programmed to determine a rear side slip angle of a vehicle computer model;

    when the rear side slip angle is greater than a threshold, determine a look ahead scale factor;

    when the rear side slip angle is greater than the threshold, increase a look ahead point as a function of the look ahead scale factor;

    determining a steering wheel angle input to the computer model by comparing the look ahead point and the intended path;

    operate the computer model with the steering wheel angle input; and

    generate an output in response to the vehicle model and the initial steering wheel input or the first steering wheel input.

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