Fault tolerant control allocation via continuous integral sliding-modes: A HOSM-Observer approach

Marcelino Hector Rios Zarzosa, Shyam Kamal, Leonid M. Fridman, Ali Zolghadri

Research output: Contribution to journalArticlepeer-review

67 Scopus citations

Abstract

In this paper a continuous fault tolerant control allocation is proposed. This approach is based on a uniform High-Order Sliding-Mode Observer where only measurable outputs are used. The fault tolerant control scheme is developed using, for the first time, a continuous integral sliding-mode and a fixed control allocation technique which provides an approximate estimation of matched faults. The conditions for stability are found by ensuring the stability of the closed loop system in the presence of possible faults in the components, and actuator faults or failures. The effectiveness of the proposed approach is verified through simulation of a linear version of the benchmark B747 - 100/200 civil aircraft model.

Original languageEnglish
Pages (from-to)318-325
Number of pages8
JournalAutomatica
Volume51
DOIs
StatePublished - 1 Jan 2015
Externally publishedYes

Bibliographical note

Funding Information:
The authors gratefully acknowledge the financial support from CONACyT 132125 and 270504 ; from CONACyT(Mexico)-DST(India) 193564 ; and from PAPIIT 113613 . The material in this paper was not presented at any conference. This paper was recommended for publication in revised form by Associate Editor James Lam under the direction of Editor Ian R. Petersen.

Publisher Copyright:
© 2014 Elsevier Ltd. All rights reserved.

Copyright:
Copyright 2015 Elsevier B.V., All rights reserved.

Keywords

  • Fault tolerant systems
  • Sliding-mode control
  • State observers

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