A novel adaptive fuzzy predictive control for hybrid systems with mixed inputs |
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Authors: | Karim Salahshoor Ehsan Safari Iraj Ahangari |
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Affiliation: | 1. Tehran Faculty of Petroleum, Petroleum University of Technology, Tehran, Iran;2. Ahwaz Faculty of Petroleum Engineering, Petroleum University of Technology, Ahwaz, Iran |
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Abstract: | This paper proposes a new adaptive nonlinear model predictive control (NMPC) methodology for a class of hybrid systems with mixed inputs. For this purpose, an online fuzzy identification approach is presented to recursively estimate an evolving Takagi–Sugeno (eTS) model for the hybrid systems based on a potential clustering scheme. A receding horizon adaptive NMPC is then devised on the basis of the online identified eTS fuzzy model. The nonlinear MPC optimization problem is solved by a genetic algorithm (GA). Diverse sets of test scenarios have been conducted to comparatively demonstrate the robust performance of the proposed adaptive NMPC methodology on the challenging start-up operation of a hybrid continuous stirred tank reactor (CSTR) benchmark problem. |
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