Method for monitoring a control circuit and actuating device

Details Method for monitoring a control circuit and actuating device Method for monitoring a control circuit and actuating device

2005-10-18

2010-06-29

Wolfe, Jr., Willis R (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C701S104000, C701S114000, C340S510000, C361S152000

Reexamination Certificate

active

07747376

ABSTRACT:
A method for monitoring a control circuit of an actuating device with at least one actuator including an actuated part and an electric member controlling movement of the actuated part, the control circuit including a bridge, the controlling electric member being connected in the bridge. The method includes: powering the bridge, producing at least one measurement signal representing the position of the actuated part, and selectively interrupting conduction in at least one branch of the bridge in accordance with the measurement signal to maintain the measurement signal substantially in an operating zone defined between a low threshold and a high threshold during a phase activating the controlling electric member. Conduction is interrupted in at least one branch to place the controlling electrical member in short-circuit via two branches of the bridge when the measurement signal reaches at least one specific threshold above the low threshold.

REFERENCES:
patent: 4395621 (1983-07-01), Parker
patent: 4410882 (1983-10-01), Claussen
patent: 5045766 (1991-09-01), Vermersch
patent: 6621301 (2003-09-01), Mattes et al.
patent: 6850394 (2005-02-01), Kim
patent: 102 32 742 (2004-02-01), None
patent: 2 846 808 (2004-05-01), None

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