Fluid-pressure and analogous brake systems – Speed-controlled – Braking pressure demand or braking force desire
Patent
1996-11-27
1999-07-27
Graham, Matthew C.
Fluid-pressure and analogous brake systems
Speed-controlled
Braking pressure demand or braking force desire
303163, 303166, 303174, B60T 860
Patent
active
059278307
ABSTRACT:
The present invention is directed to a vehicle motion control system for maintaining vehicle stability by controlling the braking force applied to at least one wheel of a vehicle. A vehicle condition monitor is provided for monitoring a condition of the vehicle in motion. The braking force is applied by a braking apparatus to each wheel in response to depression of a brake pedal, and on the basis of an output of the monitor and irrespective of depression of the brake pedal. A control variable is provided for actuating the braking apparatus and set in accordance with at least a first parameter (e.g., wheel acceleration) and a second parameter (e.g., slip rate) which are provided on the basis of the output of the monitor, respectively, so that the control variable is varied in response to the output of the monitor. The control variable is integrated during the braking apparatus is actuated. The actuation of the braking apparatus starts when the control variable exceeds a predetermined level in magnitude, and is terminated when the control variable is within a predetermined zone provided in accordance with the first parameter and the second parameter, and when the controlled variable is less than a predetermined value.
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Van Zanten et al., "FDR--Die Fahrdynamikregelung von Bosch", ATZ Automobiltechnische Zeitschrfit 96 (1994) II, pp. 674-689.
Fukami Masanobu
Itoh Takayuki
Tozu Kenji
Yamazaki Norio
Yasui Yoshiyuki
Aisin Seiki Kabushiki Kaisha
Graham Matthew C.
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