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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Veröffentlicht in:IEEE transactions on control systems technology Jg. 15; H. 2; S. 324 - 331
Hauptverfasser: Ataei-Esfahani, Armin, Wang, Qian
Format: Journal Article
Sprache:Englisch
Veröffentlicht: New York, NY IEEE 01.03.2007
Institute of Electrical and Electronics Engineers
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Schlagworte:
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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Beschreibung
Zusammenfassung: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
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ISSN:1063-6536
1558-0865
DOI:10.1109/TCST.2006.883188