Systematic fault tolerant control based on adaptive Thau observer estimation for quadrotor UAVs

Zhaohui Cen; Hassan Noura; Younes Al Younes

International Journal of Applied Mathematics and Computer Science (2015)

  • Volume: 25, Issue: 1, page 159-174
  • ISSN: 1641-876X

Abstract

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A systematic fault tolerant control (FTC) scheme based on fault estimation for a quadrotor actuator, which integrates normal control, active and passive FTC and fault parking is proposed in this paper. Firstly, an adaptive Thau observer (ATO) is presented to estimate the quadrotor rotor fault magnitudes, and then faults with different magnitudes and time-varying natures are rated into corresponding fault severity levels based on the pre-defined fault-tolerant boundaries. Secondly, a systematic FTC strategy which can coordinate various FTC methods is designed to compensate for failures depending on the fault types and severity levels. Unlike former stand-alone passive FTC or active FTC, our proposed FTC scheme can compensate for faults in a way of condition-based maintenance (CBM), and especially consider the fatal failures that traditional FTC techniques cannot accommodate to avoid the crashing of UAVs. Finally, various simulations are carried out to show the performance and effectiveness of the proposed method.

How to cite

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Zhaohui Cen, Hassan Noura, and Younes Al Younes. "Systematic fault tolerant control based on adaptive Thau observer estimation for quadrotor UAVs." International Journal of Applied Mathematics and Computer Science 25.1 (2015): 159-174. <http://eudml.org/doc/270394>.

@article{ZhaohuiCen2015,
abstract = {A systematic fault tolerant control (FTC) scheme based on fault estimation for a quadrotor actuator, which integrates normal control, active and passive FTC and fault parking is proposed in this paper. Firstly, an adaptive Thau observer (ATO) is presented to estimate the quadrotor rotor fault magnitudes, and then faults with different magnitudes and time-varying natures are rated into corresponding fault severity levels based on the pre-defined fault-tolerant boundaries. Secondly, a systematic FTC strategy which can coordinate various FTC methods is designed to compensate for failures depending on the fault types and severity levels. Unlike former stand-alone passive FTC or active FTC, our proposed FTC scheme can compensate for faults in a way of condition-based maintenance (CBM), and especially consider the fatal failures that traditional FTC techniques cannot accommodate to avoid the crashing of UAVs. Finally, various simulations are carried out to show the performance and effectiveness of the proposed method.},
author = {Zhaohui Cen, Hassan Noura, Younes Al Younes},
journal = {International Journal of Applied Mathematics and Computer Science},
keywords = {systematic fault tolerant control; fault estimation; adaptive Thau observer; fault tolerant capacity boundaries; time-varying fault; adaptive thau observer (ATO)},
language = {eng},
number = {1},
pages = {159-174},
title = {Systematic fault tolerant control based on adaptive Thau observer estimation for quadrotor UAVs},
url = {http://eudml.org/doc/270394},
volume = {25},
year = {2015},
}

TY - JOUR
AU - Zhaohui Cen
AU - Hassan Noura
AU - Younes Al Younes
TI - Systematic fault tolerant control based on adaptive Thau observer estimation for quadrotor UAVs
JO - International Journal of Applied Mathematics and Computer Science
PY - 2015
VL - 25
IS - 1
SP - 159
EP - 174
AB - A systematic fault tolerant control (FTC) scheme based on fault estimation for a quadrotor actuator, which integrates normal control, active and passive FTC and fault parking is proposed in this paper. Firstly, an adaptive Thau observer (ATO) is presented to estimate the quadrotor rotor fault magnitudes, and then faults with different magnitudes and time-varying natures are rated into corresponding fault severity levels based on the pre-defined fault-tolerant boundaries. Secondly, a systematic FTC strategy which can coordinate various FTC methods is designed to compensate for failures depending on the fault types and severity levels. Unlike former stand-alone passive FTC or active FTC, our proposed FTC scheme can compensate for faults in a way of condition-based maintenance (CBM), and especially consider the fatal failures that traditional FTC techniques cannot accommodate to avoid the crashing of UAVs. Finally, various simulations are carried out to show the performance and effectiveness of the proposed method.
LA - eng
KW - systematic fault tolerant control; fault estimation; adaptive Thau observer; fault tolerant capacity boundaries; time-varying fault; adaptive thau observer (ATO)
UR - http://eudml.org/doc/270394
ER -

References

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