Anti-lock control computer malfunction detecting device

Details Anti-lock control computer malfunction detecting device Anti-lock control computer malfunction detecting device

1995-11-21

1997-12-16

Graham, Matthew C.

Fluid-pressure and analogous brake systems

Speed-controlled

With failure responsive means

30312207, 303156, 303174, C06F 1130

Patent

active

056976798

ABSTRACT:
An anti-lock controller is used in an anti-lock control system for detecting a locked condition of a wheel of a vehicle based on wheel rotation speed signal which are pulse signals. The anti-lock controller is provided with a malfunction detector constructed by a soft ware. This malfunction detector includes an interrupt detection function to produce an interrupt signal on receipt of the pulse signal. At the same time, the controller suspends current operations and transfers control thereof to a routine for detecting the locked condition of the wheel. A malfunction determination function is prepared for determining that the anti-lock controller malfunctions when the interrupt signal is absent with a detection of the pulse signal.

REFERENCES:
patent: 4092853 (1978-06-01), Schneider et al.
patent: 4876527 (1989-10-01), Oka et al.
patent: 5476311 (1995-12-01), Fennel et al.

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