Roll over stability control for an automotive vehicle
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Abstract
A stability control system (24) for an automotive vehicle as includes a plurality of sensors (28-37) sensing the dynamic conditions of the vehicle and a controller (26) that controls a distributed brake pressure to reduce a tire moment so the net moment of the vehicle is counter to the roll direction. The sensors include a speed sensor (30), a lateral acceleration sensor (32), a roll rate sensor (34), and a yaw rate sensor (20). The controller (26) is coupled to the speed sensor (30), the lateral acceleration sensor (32), the roll rate sensor (34), the yaw rate sensor (28). The controller (26) determines a roll angle estimate in response to lateral acceleration, roll rate, vehicle speed, and yaw rate. The controller (26) changes a tire force vector using brake pressure distribution in response to the relative roll angle estimate.
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Citations
498 Claims
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1-438. -438. (canceled)
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439. A rollover control system for an automotive vehicle having a steering system and a brake system comprising:
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a roll condition sensor producing a rollover signal in response to an impending rollover; and
a controller apportioning an amount of correction provided by the steering system and the brake system to prevent the vehicle from rolling over. - View Dependent Claims (440, 441, 442, 443, 444, 445, 446, 447, 448, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 461)
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462. A method of controlling roll stability of a vehicle having a brake system and a steering system comprising:
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determining a roll condition of the vehicle in response to an impending rollover; and
apportioning an amount of correction provided by the steering system and the brake system to prevent the vehicle from rolling over. - View Dependent Claims (463, 464, 465, 466, 467, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, 480, 481, 482, 483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497)
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498-637. -637. (canceled)
Specification