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https://hdl.handle.net/10316/3839
Title: | A tool to analyze robust stability for model predictive controllers | Authors: | Santos, Lino O. Biegler, Lorenz T. |
Keywords: | Model predictive controls; Nonlinear programming; Sensitivity; Robustness | Issue Date: | 1999 | Citation: | Journal of Process Control. 9:3 (1999) 233-246 | Abstract: | A strategy based on Nonlinear Programming (NLP) sensitivity is developed to establish stability bounds on the plant/model mismatch for a class of optimization-based Model Predictive Control (MPC) algorithms. By extending well-known nominal stability properties for these controllers, we derive a sufficient condition for robust stability of these controllers. This condition can also be used to assess the extent of model mismatch that can be tolerated to guarantee robust stability. In this derivation we deal with MPC controllers with final time constraints or infinite time horizons. Also for this initial study we concentrate only on discrete time systems and unconstrained state feedback control laws with all of the states measured. To illustrate this approach we give two examples: a linear first-order dynamic system and a nonlinear SISO system involving a first order reaction. © | URI: | https://hdl.handle.net/10316/3839 | DOI: | 10.1016/s1474-6670(17)38779-7 | Rights: | openAccess |
Appears in Collections: | FCTUC Eng.Química - Artigos em Revistas Internacionais |
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