Fluid-pressure and analogous brake systems – Speed-controlled – And traction control
Patent
1994-11-04
1995-08-29
Ballato, Josie A.
Fluid-pressure and analogous brake systems
Speed-controlled
And traction control
303169, B60K 2816, B60T 832
Patent
active
054454425
ABSTRACT:
The invention relates to a drive slip control system in which the driven wheels are braked when spinning. Desired braking torques for the driven wheels are calculated using the actual speeds of the driven wheels and the desired speeds of the driven wheels. A first controller generates a first braking torque value MB1 using the difference .omega..sub.D in the actual speeds and the difference .omega.*.sub.D in the desired speeds. A second controller generates a second braking torque value MB2 using the sum .omega..sub.s of the actual speeds and the sum .omega.*.sub.s of the desired speeds. Both controllers have an integral component and a proportional component. The desired left braking torque MB.sub.L is calculated using the sum MB1+MB2. The desired right braking torque MB.sub.R is calculated using the difference MB2-MB1. The desired torques are then converted to control times for the brake pressure control valves.
REFERENCES:
patent: 4679866 (1987-07-01), van Zanten et al.
patent: 4950037 (1990-08-01), Kopper et al.
patent: 5058699 (1991-10-01), Fennel et al.
patent: 5135290 (1992-08-01), Cao et al.
patent: 5188434 (1993-02-01), Ruf et al.
Oppelt, Kleines Handbuch technischer Regelvorgange, pp. 65, 67, Date unknown.
Barth Gunter
Maier Rolf
Ballato Josie A.
Robert & Bosch GmbH
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