Antilock braking system, based on a fuzzy controller, for an electromechanical vehicle braking system
AssigneeSiemens Aktiengesellschaft
InventorAnno Mertens
Life of this patent
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Abstract
The subject of the application has a fuzzy controller which forms a pressure rate of change as a function of a wheel slip, a wheel acceleration, a locking pressure and a ratio between the actual pressure and the locking pressure. The rate of change is supplied, via an integrating unit, to an actuator of an electromechanical braking system. The locking pressure can thereby be adapted dynamically as a function of the wheel slip. Optimal antilock braking control for electromechanical braking systems is achieved through the selection of the input and output variables and the rule base.
Claims6
In an electromechanical vehicle braking system, a fuzzy-logic controlled antilock system, comprising:
- a fuzzy controller adapted to form a braking-pressure rate of change;
- and
- a unit with integral behavior connected to said fuzzy controller, said unit with integral behavior utilizing the braking-pressure rate of change to output a nominal braking pressure as input variable for the vehicle braking system, and a signal connection between the vehicle braking system and an input upstream of said fuzzy controller whereby the vehicle braking system supplies an actual braking pressure as a comparative variable.
Dependencies are inferred from the claim text.