Modeling and Control of Networked Control Systems

This paper is concerned with modeling and control of the networked control systems (NCSs). A new general model for the considered NCSs is proposed under consideration of network-induced delay, data packet dropout and nonlinear characteristic simultaneously. Based on the given model, an optimal controller with feedback gain optimized based on GASA algorithm (genetic algorithm and simulated anneal algorithm) is proposed. Compared to existing controllers, the proposed one is less conservative and can be applied to nonlinear NCSs. Two examples show the effectiveness of the proposed approaches.