Fail-safe system for multiple control systems having at least on

Details Fail-safe system for multiple control systems having at least on Fail-safe system for multiple control systems having at least on

1990-05-10

1992-12-08

Smith, Jerry

Boots, shoes, and leggings

36442602, G06F 1546

Patent

active

051703432

ABSTRACT:
A fail-safe system for a multiple task control system which has a plurality of control channels for performing mutually independent and mutually distinct control functions detects failure in one of the control channels. In response, the fail-safe system discriminates between a failure which occurs at a common sensor which is commonly utilized for more than one control channels or a common control channel which are commonly used for more than one control channels, and a failure at other sensors for monitoring parameters to be used for a singular control channel or individual control channel for single control function. The fail-safe system performs mutually distinct modes of fail-safe operation depending upon the result of the discrimination.

REFERENCES:
patent: 4701854 (1987-10-01), Matsuda
patent: 5014809 (1991-05-01), Matsuda

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