Constrained Optimal Control of Integrating Process using Industrial PI Controller

S. Hong, J. Shin, J. Lee, and M. Lee (Korea)


Constrained optimal control, Integrating process, Inventory control, PI controller tuning, Regulatory control.


An optimization based approach for constrained optimal control of the integrating process is investigated through inventory control from using the PI controller in the regulatory issue. The Lagrangian multiplier method is applied to find the PI parameters by solving the constrained optimal problem. The developed method explicitly deals with the important control constraints as well as minimizes the optimal performance measure. The method can be applied for any general integrating process and is clearly advantageous to practitioners.

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