Tire slip model

Details Tire slip model Tire slip model

2008-01-01

2008-01-01

Williams, Thomas (Department: 3683)

Fluid-pressure and analogous brake systems

Speed-controlled

Brake force or pressure determined from speed sensors

Reexamination Certificate

active

07314257

ABSTRACT:
A vehicle brake system includes a brake actuator associated with a tire, the brake actuator having at least one moveable brake component, and a brake control system. The brake control system is operative to determine a target position of the at least one moveable brake component based at least in part upon a relationship between an actual tire/road friction force and a target tire/road friction force, and to control actuation of the brake actuator based at least in part upon the target position of the at least one moveable brake component and at least in part based upon a current position of the at least one moveable brake component. The target tire/road friction force may be determined based at least in part upon a relationship between vertical force acting on the tire, optimal tire slip, slip angle, at least one road dependant parameter, and at least one tire dependant parameter.

REFERENCES:
patent: 4995483 (1991-02-01), Moseley et al.
patent: 5001640 (1991-03-01), Matsumoto et al.
patent: 5333943 (1994-08-01), Kashiwabara et al.
patent: 6318513 (2001-11-01), Dietrich et al.
patent: 2004/0108175 (2004-06-01), Schautt
patent: 2005/0161295 (2005-07-01), Nilsson et al.
patent: 10156348 (2003-04-01), None
patent: 1 279 854 (2003-01-01), None
patent: WO 03/036121 (2003-01-01), None

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