Electronic control apparatus having a fail-safe mechanism for a

Details Electronic control apparatus having a fail-safe mechanism for a Electronic control apparatus having a fail-safe mechanism for a

1991-03-06

1992-08-25

Lall, Parshotam S.

Boots, shoes, and leggings

364184, 36443111, 340507, 34082516, 371 201, G05B 902, G05B 903, G05B 2302

Patent

active

051424746

ABSTRACT:
An electronic control apparatus for a vehicle includes first and second controllers between which the transmission of information is performed. A processor in the form of a microcomputer processes information transmitted from the first controller to the second controller and controls an actuator such as a brake actuator based on the information thus processed. An abnormality detecting circuit detects an interruption of signal transmission between the first and second controllers for a predetermined period of time, and it stops the control of the second controller on the actuator when it detects such an interruption. A transmission inhibitor is provided for inhibiting signal transmission from the second controller to the first controller when the abnormality detector detects an interruption.

REFERENCES:
patent: 4532594 (1985-07-01), Hosaka et al.
patent: 4541050 (1985-09-01), Honda et al.
patent: 4635257 (1987-01-01), Shinohara
patent: 4881227 (1989-11-01), Buhren
patent: 4986385 (1991-01-01), Masaki
patent: 5038879 (1991-08-01), Naito et al.

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