Vehicle wheel speed estimation device, vehicle body speed...

Details Vehicle wheel speed estimation device, vehicle body speed... Vehicle wheel speed estimation device, vehicle body speed...

2007-05-29

2007-05-29

Schwartz, Christopher P. (Department: 3683)

Fluid-pressure and analogous brake systems

Speed-controlled

Left or right speed comparison

C303S170000

Reexamination Certificate

active

10911587

ABSTRACT:
In a case where one of a left and right pair of drive wheels is a non-controlled wheel to which braking force of a vehicle behavior control is not applied, and the other of the drive wheels is a controlled wheel to which braking force is applied, a detected vehicle wheel speed for the non-controlled wheel is corrected to a smaller value in accordance with increase in the roll angle, and increase in the braking force of the controlled wheel when a roll angle of a vehicle body is larger than a threshold value. In a vehicle behavior control, when lateral G acts upon the vehicle during turning, braking force is applied to the controlled wheel that is at the outside of the turn. This braking force application causes driving force of the controlled wheel to be partially transferred to the non-corrected wheel that is at the inside of the turn, whereby the vehicle wheel speed of the non-corrected wheel is increased. Accordingly, in the present invention, correction calculation is performed.

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Translation of the Official Letter dated Aug. 26, 2005.
Comments dated Oct. 13, 2005.

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