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Static disturbance-to-output decoupling for nonlinear systems with arbitrary disturbance relative degree
journal contribution
posted on 2012-12-07, 13:04 authored by Jun Yang, Wen-Hua Chen, Shihua Li, Xisong ChenStatic 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.
History
School
- Aeronautical, Automotive, Chemical and Materials Engineering
Department
- Aeronautical and Automotive Engineering
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.Publisher
© John Wiley & Sons, Ltd.Version
- AM (Accepted Manuscript)
Publication date
2013Notes
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/fullISSN
1049-8923eISSN
1099-1239Publisher version
Language
- en