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Communication dans un congrès

Online actuator reassignment for fault tolerant flight control

Abstract : This communication considers the case in which some aerodynamic actuator failures occur when an aircraft performs the intended maneuver. The problem considered deals with online reassignment of the remaining effective actuators to continue performing the current maneuver safely. First, through analysis of a general nonlinear system, the concept of virtual inputs and fault tolerance is proposed and analyzed. Taking a pure roll maneuver as an example, the values of its virtual inputs can be computed through nonlinear inverse control approach. Then, a linear quadratic programming problem is formulated for actuator reassignment, to find a best utilization of remaining effective actuators, as well as taking into account various constraints for safety. Three fast solution approaches are studied to solve this reassignment problem. The simulation results show the feasibility of the proposed method. Finally, a general conclusion is drawn.
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Communication dans un congrès
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https://hal-enac.archives-ouvertes.fr/hal-01086730
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Soumis le : lundi 24 novembre 2014 - 17:11:39
Dernière modification le : mardi 19 octobre 2021 - 11:02:48

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Lunlong Zhong, Felix Mora-Camino. Online actuator reassignment for fault tolerant flight control. CCDC 2014, 26th Chinese Control and Decision Conference, May 2014, Changsha, China. pp 1706-1711, ⟨10.1109/CCDC.2014.6852444⟩. ⟨hal-01086730⟩

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