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Model-based control of unstable, non-minimum-phase, nonlinear processes | IEEE Conference Publication | IEEE Xplore

Model-based control of unstable, non-minimum-phase, nonlinear processes


Abstract:

A model-based control system is presented for nonlinear unconstrained processes. It is applicable to stable and unstable processes, whether non-minimum- or minimum-phase....Show More

Abstract:

A model-based control system is presented for nonlinear unconstrained processes. It is applicable to stable and unstable processes, whether non-minimum- or minimum-phase. The control system includes a nonlinear state feedback and a reduced-order nonlinear state observer. The state feedback induces an approximately linear response to state variables of the process. The state feedback is derived by solving a continuous-time moving-horizon optimization problem. The application and performance of the control system are shown by implementing it on a chemical reactor with multiple steady states. The control system is used to operate the reactor at one of the steady states, which is unstable and non-minimum-phase. The simulation results show that the closed-loop system is globally asymptotically stable.
Date of Conference: 09-12 December 2003
Date Added to IEEE Xplore: 15 March 2004
Print ISBN:0-7803-7924-1
Print ISSN: 0191-2216
Conference Location: Maui, HI, USA

References

References is not available for this document.