Fluid-pressure and analogous brake systems – Speed-controlled – Slip ratio
Patent
1997-06-10
2000-07-18
Oberleitner, Robert J.
Fluid-pressure and analogous brake systems
Speed-controlled
Slip ratio
303150, 303196, 701 80, B60T 884
Patent
active
060896825
ABSTRACT:
An antilock brake control system for a vehicle includes a control start determining device for determining that an antilock brake control should be started, in response to a slip rate calculated based on a wheel speed and a presumed vehicle speed exceeding a start determination threshold value determined as a function of the presumed vehicle speed. The control start determining device changes the function of the presumed vehicle speed for calculating the start determination threshold value, based on the state of the antilock brake control for a wheel other than a wheel which is subjected to the determination by the control start determining device, and the results of the determinations by the road surface friction coefficient determining device and the bad-road determining device. Thus, appropriate antilock brake control for the situation of a road surface is conducted.
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Ishikawa Teruyasu
Matsuno Isao
NEC Corporation
Nissin Kogyo Co. Ltd.
Oberleitner Robert J.
Williams Thomas J.
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