Patent ID: 6802401
Filing Date: 2004-10-12
Classification: B60T

Abstract:
Device for controlling an electrically actuated parking brake, comprising:a switch having first and second switching elements, wherein each switching element includes a respectively associated output line, wherein said switch includes a first tensioning position; a second, release position; and a third, neutral position, and wherein said switch places one valid signal on said respectively associated output lines for each of said positions, a control unit coupled to said switch for analyzing signals presented on said respectively associated output lines and for determining whether the switching elements have entered an undefined state, and wherein if said switching elements have not entered an undefined state, then said control unit determines a nominal value of a parking brake actuating force, and outputs a brake control signal, representative of the parking brake actuating force, brake actuator coupled to said brake control signal for actuating a parking brake, wherein said parking brake includes an electric motor.