Robust Failure Compensation for a Morphing Aircraft Model Using a Probabilistic Approach

We present a probabilistic robust control design for a morphing aircraft model subject to uncertain actuator failure. The morphing aircraft model has multiple distributed arrays of shape-change devices that are used to generate moments for stabilization and low-rate maneuvering, augmenting conventio...

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Vydané v:	IEEE transactions on control systems technology Ročník 15; číslo 2; s. 324 - 331
Hlavní autori:	Ataei-Esfahani, Armin, Wang, Qian
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	New York, NY IEEE 01.03.2007 Institute of Electrical and Electronics Engineers The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Predmet:	Actuator failure Actuators Aerospace control Aircraft propulsion Applied sciences Arrays Computer science; control theory; systems Control system synthesis Control systems Control theory. Systems Devices Exact sciences and technology Failure Failure compensation Fracture mechanics (crack, fatigue, damage...) Fundamental areas of phenomenology (including applications) Ice Morphing aircraft Physics Probabilistic methods probabilistic robust control Probability theory quadratic stability Robust control Robustness Shape control shape-change device arrays Solid mechanics stochastic gradient algorithms Structural and continuum mechanics Studies Uncertainty Vehicles Stabilization dynamic control Control synthesis Modeling Uncertain system Apparatus failure Metamorphosis Transducer network Actuator Multimodel control Parametric excitation Failure compensation shape-change device arrays Probabilistic approach morphing aircraft Rupture Morphism Control surface quadratic stability Robust control Engineering design probabilistic robust control Reliability Aircraft stochastic gradient algorithms
ISSN:	1063-6536, 1558-0865
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Popis
Shrnutí:	We present a probabilistic robust control design for a morphing aircraft model subject to uncertain actuator failure. The morphing aircraft model has multiple distributed arrays of shape-change devices that are used to generate moments for stabilization and low-rate maneuvering, augmenting conventional control surfaces. Each actuator operates at either on or off state; failure of each actuator could cause uncertainty in the applied control input. We characterize the morphing aircraft's actuation failure in a probabilistic way. In particular, each shape-change device within an actuator array is assumed to have certain probability to fail while devices from different arrays may have different failure probabilities. Consequently, we model the uncertain actuator failure as a random parametric uncertainty in the input matrix of the morphing aircraft model. A probabilistic robust explicit-model-following controller is then designed to stabilize the closed-loop system and to satisfy tracking performance subject to uncertain actuator failure. Simulation results are presented and evaluated for the application of this probabilistic robust failure compensation design to lateral dynamics of an Innovative Control Effector morphing aircraft model
Bibliografia:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 14 ObjectType-Article-1 ObjectType-Feature-2 content type line 23
ISSN:	1063-6536 1558-0865
DOI:	10.1109/TCST.2006.883188