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Title: Static disturbance-to-output decoupling for nonlinear systems with arbitrary disturbance relative degree
Authors: Yang, Jun
Chen, Wen-Hua
Li, Shihua
Chen, Xisong
Keywords: Disturbance attenuation
Nonlinear systems
Arbitrary disturbance relative degree
Disturbance decoupling
Nonlinear missile
Issue Date: 2013
Publisher: © John Wiley & Sons, Ltd.
Citation: YANG, J. ... et al, 2013. Static disturbance-to-output decoupling for nonlinear systems with arbitrary disturbance relative degree. International Journal of Robust and Nonlinear Control, 23 (5), pp. 562 - 577.
Abstract: Static disturbance-to-output decoupling problem for nonlinear systems with arbitrary disturbance relative degree is addressed in this paper without resorting to a high-gain design. A systematic design method is developed for the design of the disturbance compensation gain in the control law. It is shown that the influence of the disturbance can be eliminated from the output channel in steady state with the proposed design method. More interesting, the exact disturbance decoupling methods turn out to be special cases of the proposed control law. The feasibility of extending the proposed method to unmeasurable disturbance case is also investigated by integrating a nonlinear disturbance observer. It is further discussed that the proposed method can be extended to multiple disturbance cases with almost no modification. Simulation example of a missile shows that the proposed method is effective in rejecting disturbance with arbitrary relative degree.
Description: This article is closed access, it has been published in the serial International Journal of Robust and Nonlinear Control [© John Wiley and Sons]. The definitive version is available at: http://onlinelibrary.wiley.com/doi/10.1002/rnc.1850/full
Version: Accepted for publication
DOI: 10.1002/rnc.1850
URI: https://dspace.lboro.ac.uk/2134/11127
Publisher Link: http://dx.doi.org/10.1002/rnc.1850
ISSN: 1049-8923
Appears in Collections:Closed Access (Aeronautical and Automotive Engineering)

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