Enhanced predictive ratio control of interacting systems
Copyright policy )Enhanced predictive ratio control of interacting systems
Ratio control for two interacting processes is proposed with a PID feedforward design based on model predictive control (MPC) scheme. At each sampling instant, the MPC control action minimizes a state-dependent performance index associated with a PID-type state vector, thus yielding a PID-type control structure. Compared to the standard MPC formulations with separated single-variable control, such a control action allows one to take into account the non-uniformity of the two process outputs. After reformulating the MPC control law as a PID control law, we provide conditions for prediction horizon and weighting matrices so that the closed-loop control is asymptotically stable, and show the effectiveness of the approach with simulation and experiment results.
9 pages, 7 figures, 1 table
- National University of Singapore Libraries Singapore
- National University of Singapore Singapore
- Nationl University of Singapore Singapore
Interacting system, Ratio control, PID, FOS: Electrical engineering, electronic engineering, information engineering, Model predictive control, Systems and Control (eess.SY), Electrical Engineering and Systems Science - Systems and Control, 620
Interacting system, Ratio control, PID, FOS: Electrical engineering, electronic engineering, information engineering, Model predictive control, Systems and Control (eess.SY), Electrical Engineering and Systems Science - Systems and Control, 620
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