Digital automatic flight control system with disparate function monitoring
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United States of America Patent
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-
Jan 17, 1989
Grant Date -
N/A
app pub date -
May 30, 1985
filing date -
May 30, 1985
priority date (Note) -
Expired
status (Latency Note)
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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.
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