4.7 Article

Observer-based adaptive backstepping control for fractional order systems with input saturation

期刊

ISA TRANSACTIONS
卷 82, 期 -, 页码 18-29

出版社

ELSEVIER SCIENCE INC
DOI: 10.1016/j.isatra.2017.06.021

关键词

Incommensurate fractional order systems; Adaptive backstepping control; Saturation; Observer; Indirect Lyapunov method

资金

  1. National Natural Science Foundation of China [61573332, 61601431]
  2. Fundamental Research Funds for the Central Universities [WK2100100028]
  3. Anhui Provincial Natural Science Foundation [1708085QF141]
  4. General Financial Grant from the China Postdoctoral Science Foundation [2016M602032]

向作者/读者索取更多资源

An observer-based fractional order anti-saturation adaptive backstepping control scheme is proposed for incommensurate fractional order systems with input saturation and partial measurable state in this paper. On the basis of stability analysis, a novel state observer is established first since the only information we could acquire is the system output. In order to compensate the saturation, a series of virtual signals are generated via the construction of fractional order auxiliary system. Afterwards, the controller design is carried out in accordance with the adaptive backstepping control method by introduction of the indirect Lyapunov method. To highlight the effectiveness of the proposed control scheme, simulation examples are demonstrated at last. (C) 2017 ISA. Published by Elsevier Ltd. All rights reserved.

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