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Method of measuring unilateral flow rate of vehicles

  • US 7,100,290 B2
  • Filed: 03/15/2002
  • Issued: 09/05/2006
  • Est. Priority Date: 03/15/2001
  • Status: Expired due to Fees
First Claim
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1. A method of measuring a lateral displacement amount of a vehicle by using a bench testing machine including one pair of rollers for each front wheel and one pair of rollers for each rear wheel and rotating the front and rear wheels of the vehicle on the corresponding rollers, the method including the steps of:

  • making the respective rollers movable in a lateral direction and detecting lateral forces acting on the respective rollers in a state in which the respective wheels are rotating at a predetermined speed;

    calculating a yaw angle speed of the vehicle when the vehicle is brought into a state of steady circular turning based on the detected lateral forces on the rollers; and

    calculating the lateral displacement amount of the vehicle based on the calculated yaw angle speed.

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