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Steering system for vehicles

  • US 4,597,462 A
  • Filed: 01/29/1985
  • Issued: 07/01/1986
  • Est. Priority Date: 02/02/1984
  • Status: Expired due to Term
First Claim
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1. A steering system for a vehicle having a steerable front wheel and a steerable rear wheel, comprising:

  • a front wheel steering mechanism for steering said front wheel;

    a rear wheel steering mechanism for steering said rear wheel in accordance with a travelling state quantity substantially influenced by a disturbance; and

    said rear wheel steering mechanism including;

    actuating means for actuating said rear wheels;

    first detection means for detecting said travelling state quantity;

    second detection means for detecting a vehicle'"'"'s speed of said vehicle;

    control means connecting to said first and second detection means and adapted to provide a control signal for said actuating means;

    said control means having an operation process means for determining a provisional steering quantity of said rear wheel depending on an output signal of said first detection means through a predetermined expression of function, a correction factor corresponding to said vehicle speed from an output signal of said second detection means, and a final steering quantity of said rear wheel based on said predetermined expression of function and said correction factor, and for producing said control signal representing said final steering quantity; and

    said correction factor decreases as said vehicle speed decreases.

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