Journal
INFORMATION SCIENCES
Volume 450, Issue -, Pages 267-283Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ins.2018.03.044
Keywords
Fixed-time stability; Almost disturbance decoupling; Nonlinear systems
Categories
Funding
- National Natural Science Foundation of China [61503222, 61673227, 61573008, 61773245]
- NSERC, Canada
- Research Fund for the Taishan Scholar Project of Shandong Province of China
- Chinese Postdoctoral Science Foundation [2016M602166]
- Fund for Postdoctoral Applied Research Projects of Qingdao [2016116]
- SDUST Public Visiting Scholar Foundation
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This paper focuses on the fixed-time almost disturbance decoupling problem of nonlinear time-varying systems with multiple disturbances and dead-zone input. Less restrictive assumption for unknown nonlinear functions is provided. Via the recursive approach, a state feedback controller is designed by guaranteeing the fixed-time stability of the closed-loop system without external disturbances and a prescribed degree for the influence of the external disturbances on the output, in which the upper bound of the settling time only depends the control design parameters. Finally, a numerical example is given to show the effectiveness and advantages of the proposed design method. (C) 2018 Elsevier Inc. All rights reserved.
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