Control system actuation fault monitoring

Details Control system actuation fault monitoring Control system actuation fault monitoring

G - Physics

05

B

G05B 23/02 (2006.01) B64C 13/00 (2006.01)

Patent

CA 2648173

Methods and apparatus for monitoring and detecting failures in the actuation of a control system, such as a flight control system for an aircraft, include defining a nominal model of the control system in terms of the state variables of the control system, defining a model of an asymmetric "actuation monitoring envelope" that dynamically bounds a range that measured state variables of the system are allowed to take during operation of the system as a function of the nominal system state model, monitoring a signal corresponding to a state variable of the system during operation thereof, and detecting a failure in the actuation of the control system when the monitored signal exceeds the bounds of the monitoring envelope.

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