Publication: Tube-based robust output feedback MPC for constrained LTV systems with applications in chemical processes
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Issued Date
2019-05-01
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09473580
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2-s2.0-85050643854
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Mahidol University
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SCOPUS
Bibliographic Citation
European Journal of Control. Vol.47, (2019), 11-19
Suggested Citation
Rungroj Yadbantung, Pornchai Bumroongsri Tube-based robust output feedback MPC for constrained LTV systems with applications in chemical processes. European Journal of Control. Vol.47, (2019), 11-19. doi:10.1016/j.ejcon.2018.07.002 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/50846
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Title
Tube-based robust output feedback MPC for constrained LTV systems with applications in chemical processes
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Abstract
© 2018 European Control Association Robust output feedback model predictive control (MPC)of linear time-varying (LTV)systems subject to bounded state and output disturbances is considered in this paper. The output feedback controller is designed in such a way that the observer is time-varying so the unknown state and the observer state are bounded by the tubes whose center is the state of the nominal LTV system that is steered to the origin. The on-line computational complexity is similar to that required for nominal MPC for LTV systems. Robust stability is ensured by using the notion of Lyapunov functions. The controller design is illustrated via two examples in chemical processes. The results show that the proposed output feedback controller can guarantee robust stability and constraint satisfaction of the LTV systems in the presence of bounded state and output disturbances.