Method and apparatus for determining a characteristic value of a

Details Method and apparatus for determining a characteristic value of a Method and apparatus for determining a characteristic value of a

1997-03-26

1998-09-15

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Speed-controlled

Braking pressure demand or braking force desire

303 3, 303 15, 3031134, 303166, 303DIG3, 303DIG4, B60T 1366, B60T 860

Patent

active

058069380

ABSTRACT:
In a selected operating situation, the automatic control circuit, which is closed during normal operation, is opened, the final control element of the wheel brake being actuated within the scope of an open-loop control process. The drive signal value for the wheel brake changes in accordance with a predetermined time function, and the application pressure or release pressure is found on the basis of the characteristic behavior of a value representing the braking action.

REFERENCES:
patent: 4795219 (1989-01-01), Brearley et al.
patent: 4971400 (1990-11-01), Jonner
patent: 5150951 (1992-09-01), Leiber et al.
patent: 5415467 (1995-05-01), Utz et al.
patent: 5496097 (1996-03-01), Eckert
patent: 5615931 (1997-04-01), Stumpe et al.
patent: 5669678 (1997-09-01), Stumpe et al.
Oppelt, "Kleines Handbuch Technischer Regelvorgange", Verlag Chemie GmbH, Weinheim (1964) pp. 71-73.

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