Fluid-pressure and analogous brake systems – Multiple fluid-receiving devices – Multiple motors
Patent
1993-08-31
1995-05-02
Oberleitner, Robert J.
Fluid-pressure and analogous brake systems
Multiple fluid-receiving devices
Multiple motors
303100, 36442602, B60T 1300
Patent
active
054113229
ABSTRACT:
Optimum braking effectiveness and control of a vehicle are obtained by continually evaluating estimated values of friction coefficients as they increase with decreasing vehicle velocity during vehicle braking and by increasing brake pressure accordingly to maintain the pressure just under a value at which vehicle control is compromised. This is enhanced by determining a maximum pressure that can be applied to each brake sight while maintaining the rate of change of the articulation angle between a tractor and trailer of the vehicle equal to zero. A further enhancement is obtained by estimating critical vehicle velocity as a function of steering angle, thus enabling braking effectiveness and control to be a function of maneuvering conditions.
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patent: 4998593 (1991-03-01), Karnopp et al.
patent: 5108158 (1992-04-01), Breen
patent: 5188434 (1993-02-01), Ruf et al.
Eaton Corporation
Oberleitner Robert J.
Young Lee W.
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