Calibration process for a servomotor

Details Calibration process for a servomotor Calibration process for a servomotor

2006-05-09

2006-05-09

Kramer, Devon (Department: 3683)

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

C188S356000

Reexamination Certificate

active

07040718

ABSTRACT:
A calibration process for a pneumatic-assistance servomotor in a braking circuit of a motor vehicle. The values of the output pressure (Pmc) of a hydraulic master cylinder associated with the servomotor and of the negative pressure inside the working chamber of the servomotor are measured and recorded with respect to a given negative-pressure value (Pfc) inside a negative-pressure chamber of a servomotor for several operating points P1, P2, P3, P4of the servomtotor. The operating points being located on either side of a saturation point to precisely determine the coordinates of the saturation point and thereby provide an accurate control of advanced functions of the servomotor with respect to braking operation, the braking assistance and/or the monitoring of the performance or of the ageing of the servomotor.

REFERENCES:
patent: 5705744 (1998-01-01), Brugger et al.
patent: 6511136 (2003-01-01), Gendrin et al.
patent: 6516702 (2003-02-01), Stephane et al.
patent: 6741918 (2004-05-01), Kerns et al.
patent: 2004/0162652 (2004-08-01), Kems et al.

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