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Method and device for calculating turning radius of vehicle taking load movement thereof into consideration

  • US 5,828,975 A
  • Filed: 11/14/1995
  • Issued: 10/27/1998
  • Est. Priority Date: 11/21/1994
  • Status: Expired due to Term
First Claim
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1. A vehicle turning radius calculating method for determining a turning radius of a vehicle having left and right tires, comprising:

  • detecting the respective rotational angular velocities of left and right tires;

    detecting a lateral acceleration of the vehicle;

    detecting the load of the vehicle; and

    determining a turning radius of the vehicle, based on the detected rotational angular velocities, by taking into consideration a change in effective rolling radiuses of the tires due to a load movement of the vehicle, includingdetermining a correction factor based on the detected load of the vehicle, andexcluding an influence on the rotational angular velocities, of the change in effective rolling radiuses of the tires due to the load movement of the vehicle, using the determined correction factor and the detected lateral acceleration of the vehicle.

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