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Control of non-minimum-phase nonlinear systems through constrained input-output linearization
Please use this identifier to cite or link to this item:
http://hdl.handle.net/1860/1680
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| Title: | Control of non-minimum-phase nonlinear systems through constrained input-output linearization |
| Authors: | Panjapornpon, Chanin
Soroush, Masoud |
| Issue Date: | Jun-2006 |
| Publisher: | Institute of Electrical and Electronics Engineers (IEEE) |
| Citation: | Proceedings of the 2006 American Control Conference, pp. 4522-4527. |
| Abstract: | This paper presents a novel control method that
provides optimal output-regulation with guaranteed closedloop
asymptotic stability within an assessable domain of
attraction. The closed-loop stability is ensured by requiring
state variables to satisfy a hard, second-order Lyapunov
constraint. Whenever input-output linearization alone cannot
ensure asymptotic closed-loop stability, the closed-loop system
evolves while being at the hard constraint. Once the closed-loop
system enters a state-space region in which input-output
linearization can ensure asymptotic stability, the hard
constraint becomes inactive. Consequently, the nonlinear
control method is applicable to stable and unstable processes,
whether non-minimum- or minimum-phase. The control
method is implemented on a chemical reactor with multiple
steady states, to show its application and performance. |
| URI: | http://dx.doi.org/10.1109/ACC.2006.1657432
http://hdl.handle.net/1860/1680 |
| Appears in Collections: | Faculty Research and Publications (CBE)
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