Abstract
A novel Nonlinear Model Predictive Control algorithm is proposed for control of large nonlinear constrained systems. The basic idea is to calculate exactly the first control move, which is implemented, and approximate all other control moves which are never implemented. Regardless of the control horizon, the number of decision variables for the on-line optimization problem equals the number of manipulated variables, resulting in significant savings in on-line computational time. Asymptotic stability of the closed loop system is guaranteed if and only if the on-line optimization problem is feasible initially, under reasonable assumptions. The feasibility for a practical implementation of the proposed algorithm is demonstrated on two examples including the Tennessee-Eastman Challenge problem involving ten inputs and ten outputs.
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Zheng, A. (1998). A Computationally Efficient Nonlinear Model Predictive Control Algorithm with Guaranteed Stability. In: Berber, R., Kravaris, C. (eds) Nonlinear Model Based Process Control. NATO ASI Series, vol 353. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5094-1_17
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DOI: https://doi.org/10.1007/978-94-011-5094-1_17
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