Digital automatic flight control system with disparate function

Details Digital automatic flight control system with disparate function Digital automatic flight control system with disparate function

1985-05-30

1989-01-17

Lall, Parshotam S.

Boots, shoes, and leggings

371 68, 364184, 36455101, G06F 1108, G06F 1550

Patent

active

047991593

ABSTRACT:
A channel of an automatic flight control system utilizes dual identical digital processors. Active task modules and monitor modules therefor are included in the processors. The active task modules and the monitor modules are arranged so that an active task module in one processor has a corresponding monitor module in the other processor where the corresponding modules perform disparate functionality over disjoint computation paths with respect to each other. The monitor module tests to determine if the aircraft is performing in a manner prohibited by the functionality controlled by the associated task module.

REFERENCES:
patent: 4032757 (1977-06-01), Eccles
patent: 4115847 (1978-09-01), Osder et al.
patent: 4130241 (1978-12-01), Meredith et al.
patent: 4356546 (1982-10-01), Whiteside et al.
patent: 4622667 (1986-11-01), Yount
patent: 4644538 (1987-02-01), Cooper et al.

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