Brake pressure estimating apparatus and method

Details Brake pressure estimating apparatus and method Brake pressure estimating apparatus and method

2006-06-27

2006-06-27

Siconolfi, Robert A. (Department: 3683)

Fluid-pressure and analogous brake systems

Speed-controlled

And traction control

C303S146000

Reexamination Certificate

active

07066559

ABSTRACT:
In brake pressure estimating method and apparatus for an automotive vehicle, at a second wheel cylinder brake liquid pressure estimating, a vehicular state is detected and the second wheel cylinder brake liquid pressure for each road wheel is calculated from the detected vehicular motion state, and, at a master cylinder liquid pressure estimating, a master cylinder liquid pressure estimated value is outputted to make a difference between a first wheel cylinder brake liquid pressure estimated value based on a vehicle model and the second wheel cylinder brake liquid pressure estimated value based on a hydraulic unit model small to cause the master cylinder liquid pressure estimated value to be converged into a true value thereof.

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