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Braking force control system for vehicle

  • US 6,789,858 B2
  • Filed: 04/26/2001
  • Issued: 09/14/2004
  • Est. Priority Date: 04/26/2000
  • Status: Expired due to Fees
First Claim
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1. A braking force control system for a vehicle having a braking force applying apparatus mounted on said vehicle for actuating a hydraulic force to each wheel from each cylinder, an anti-lock brake system for preventing said braking force applying apparatus from locking when a sudden braking operation occurs, a wheel speed sensor for detecting each wheel speed and for generating a wheel speed signal, and a brake switch attached to said wheel for detecting an actuation of said hydraulic force and for outputting a brake signal, and a lateral acceleration sensor mounted on said vehicle for sensing a lateral acceleration and for generating a lateral acceleration signal, comprising:

  • rear wheel braking control means for independently controlling said hydraulic force to a rear left wheel or to a rear right wheel respectively; and

    braking force control means responsive to said lateral acceleration signal and hydro-and-electro-mechanically connected to said braking force applying apparatus for, controlling to stepwisely increase said hydraulic force on one of said left or right wheels up to a predetermined value set at a starting time for applying said hydraulic force, by a plurality of steps of increasing and holding the hydraulic force when said anti-lock brake system applies said hydraulic force to the other of said left or right wheel so as to avoid an uncomfortable rolling motion when said vehicle abruptly turns at a high speed.

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