Vehicular parking brake apparatus and control method thereof

Details Vehicular parking brake apparatus and control method thereof Vehicular parking brake apparatus and control method thereof

2005-03-01

2005-03-01

Siconolfi, Robert A. (Department: 3683)

Fluid-pressure and analogous brake systems

Electric control

C188S00200R, C188S10600P

Reexamination Certificate

active

06860570

ABSTRACT:
A vehicular parking brake apparatus includes right and left-side brakes connected to an electric motor via a cable and an equalizer, so that the operating forces of the brakes become equal. In this case, the operating forces of the right and left brakes are commonly controlled based on one of the wheels that exhibits a greater rate of slip. Therefore, it is possible to avoid a rate of slip of the right and left wheels from becoming excessively great. The electric motor is controlled taking into account a transfer delay of the cable. Therefore, the slip rates of the right and left wheels can be quickly converged to a proper state. Thus, in a case where a parking brake is operated during the running of the vehicle, the operating force of the parking brake is controlled so that the state of slip of the wheels is a proper state.

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