Circuit arrangement for a brake system with anti-lock system and

Details Circuit arrangement for a brake system with anti-lock system and Circuit arrangement for a brake system with anti-lock system and

1995-12-29

1996-12-31

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Speed-controlled

With failure responsive means

303122, 303176, 188181C, B60T 832, B60K 2816

Patent

active

055887201

ABSTRACT:
In a circuit arrangement for a brake system with anti-lock system and/or traction control with input circuits, output circuits, control circuits, monitoring circuits, comparator circuits and circuits for switching off the control in the event of a fault, a continuous monitoring of the control circuits and of the monitoring circuits is made possible. Both the control circuits and the monitoring circuits comprise watchdog circuits for processing a watchdog algorithm which tests the functioning of the control circuits and monitoring circuits and comparator circuits for comparing the results of the watchdog algorithms respectively processed in the watchdog circuits. The output circuits only enable the control if both the control signals output by the control circuits correspond to the corresponding signals of the monitoring circuits and the results of the watchdog algorithms respectively processed in the watchdog circuits correspond.

REFERENCES:
patent: 4546437 (1985-10-01), Bleckmann et al.
patent: 4773072 (1988-09-01), Fennel
patent: 5001641 (1991-03-01), Makino
patent: 5176429 (1993-01-01), Junichi et al.
patent: 5372410 (1994-12-01), Miller et al.
patent: 5411324 (1995-05-01), Zydek et al.
patent: 5458404 (1995-10-01), Fennel et al.

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