Control system actuation fault monitoring

Details Control system actuation fault monitoring Control system actuation fault monitoring

2008-01-03

2010-10-26

Jarrett, Ryan A (Department: 2121)

Data processing: generic control systems or specific application

Generic control system, apparatus or process

Optimization or adaptive control

C700S033000, C700S054000, C700S079000, C701S003000

Reexamination Certificate

active

07822493

ABSTRACT:
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.

REFERENCES:
patent: 6561463 (2003-05-01), Yount et al.
patent: 2004/0107013 (2004-06-01), Fuller et al.
Osder, Stephen, “Practical View of Redundancy Management Application and Theory”, Journal of Guidance, Control and Dynamics, Jan.-Feb. 1999, pp. 12-21, vol. 22.

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