System and method for maintaining system integrity in control systems having multi-lane computational differences

System and method for maintaining system integrity in control systems having multi-lane computational differences

A control system for an aircraft including first and second lanes having respective first and second processors dissimilar to one another and configured to output respective first and second computation data. At least one programmable logic device may be configured to receive the first computation d...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Singer Mark Clifford, Kovalan Mark A, Johnson Douglas R
Format: Patent
Sprache:eng
Schlagworte:
AEROPLANES
AIRCRAFT
AVIATION
CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
COSMONAUTICS
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
HELICOPTERS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PERFORMING OPERATIONS
PHYSICS
REGULATING
TRANSPORTING
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Beschreibung
Zusammenfassung:A control system for an aircraft including first and second lanes having respective first and second processors dissimilar to one another and configured to output respective first and second computation data. At least one programmable logic device may be configured to receive the first computation data output and the second computation data output, determine a difference therebetween, and transmit a corrective computation data output to the first processor and the second processor via respective feedback loops if the difference between the first computation data output and the second computation data output exceeds a predetermined threshold value.