Abstract
This study presents a predictive controller for networked control systems (NCSs), which is a model predictive control (MPC) combined with Smith predictor. The network delays and data dropouts are problems, which greatly weaken the controller performance. In the proposed controller, there are two internal loops. The first is the loop around the MPC with the model of the system, which predicted future outputs. The other is the loop around the plant to give the error between the model and actual plant. The proposed controller is designed for controlling a DC servo system via a network. The practical results based on Matlab/Simulink are established. The practical results show that the performance of the proposed controller is greatly improved over a wide range of networked time delay and data dropouts comparing to other controllers.
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