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2012 | 22 | 1 | 139-148
Tytuł artykułu

Reconfigurable control design with integration of a reference governor and reliability indicators

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
A new approach to manage actuator redundancy in the presence of faults is proposed based on reliability indicators and a reference governor. The aim is to preserve the health of the actuators and the availability of the system both in the nominal behavior and in the presence of actuator faults. The use of reference governor control allocation is a solution to distribute the control efforts among a redundant set of actuators. In a degraded situation, a reconfigured control allocation strategy is proposed based on on-line re-estimation of the actuator reliability. A benefit of incorporating reliability indicators into over-actuated control system design is the smart management of the redundant actuators and improvement of the system safety. Moreover, when the fault is severe, an adaptation approach using the reference governor is proposed. The reference governor unit is a reference-offset governor based on a discrete-time predictive control strategy. The idea is to modify the reference according to the system constraints, which become stricter after the occurrence of an actuator fault. The proposed approach is illustrated with a flight control application.
Rocznik
Tom
22
Numer
1
Strony
139-148
Opis fizyczny
Daty
wydano
2012
otrzymano
2011-02-05
poprawiono
2011-09-09
Twórcy
  • Research Centre for Automatic Control of Nancy, CRAN CNRS UMR 7039, University of Lorraine, BP 70239, 54506 Vandœuvre Cedex, France
  • Research Centre for Automatic Control of Nancy, CRAN CNRS UMR 7039, University of Lorraine, BP 70239, 54506 Vandœuvre Cedex, France
  • Research Centre for Automatic Control of Nancy, CRAN CNRS UMR 7039, University of Lorraine, BP 70239, 54506 Vandœuvre Cedex, France
  • Research Centre for Automatic Control of Nancy, CRAN CNRS UMR 7039, University of Lorraine, BP 70239, 54506 Vandœuvre Cedex, France
Bibliografia
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  • Boussaid, B., Aubrun, C. and Abdelkrim, M. (2010). Fault adaptation based on reference governor, Proceedings of the IEEE Conference on Control and Fault Tolerant Systems, SyStol'10, Nice, France, pp. 257-262.
  • Burken, J., Lu, P., Wu, Z. and Bahm, C. (2001). Two reconfigurable flight control design methods: Robust servomechanism and control allocation, Journal of Guidance, Control, and Dynamics 24(3): 482-493.
  • Casavola, A., Papini, M. and Franz, G. (2006). Supervision of networked dynamical systems under coordination constraints, IEEE Transactions on Automatic Control 51(3): 421-437.
  • Casavola, A., Franze, G. and Sorbara, M. (2007). Referenceoffset governor approach for the supervision of constrained networked dynamical systems, Proceedings of the European Control Conference, Kos, Greece, pp. 7-14.
  • Casavola, A. and Garone, E. (2010). Fault tolerant adaptive control allocation schemes for overactuated systems, International Journal of Robust and Nonlinear Control 20(17): 1958-1980.
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  • Harkegard, O. (2003). Backstepping and Control Allocation with Applications to Flight Control, Ph.D. thesis, Linköping University, Linköping.
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  • Kolmanovsky, I. and Sun, J. (2006). Parameter governors for discrete-time nonlinear systems with pointwise-in-time state and control constraints, Automatica 42(5): 841-848.
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  • Theilliol, D., Chemsseddine, A., Zhang, Y. and Weber, P. (2009). Optimal reconfigurable control allocation design based on reliability analysis, 7th IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes, Barcelona, Spain, (on CD-ROM).
  • Theilliol, D., Join, C. and Zhang, Y. (2008a). Actuator fault tolerant control design based on a reconfigurable reference input, International Journal of Applied Mathematics Computer Science 18(4): 553-560, DOI: 10.2478/v10006-0080048-1.
  • Theilliol, D., Zhang, Y., Ponsart, J. and Aubrun, C. (2008b). Actuator fault tolerant control system with re-configuring reference input design based on MPC, Proceedings of the 6th Workshop on Advanced Control and Diagnosis, Coventry, UK, pp. 275-280.
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Typ dokumentu
Bibliografia
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Identyfikator YADDA
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