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Synchronization Control for Multi-Electromechanical Actuators Based on Model Predictive Control

Model predictive control has great application potential in the field of the synchronization control due to its strong ability to solve the problem with multiple variables and strict constraints. In this paper, mathematical model of a MIMO system of consisting with three-electromechanical actuators is established, and a relative coupling control algorithm based on model predictive control (SE-MPC) for the synchronization control of multi-electromechanical actuators has been proposed. The synchronization errors are reduced by introducing the synchronization error items into cost function and constraints simultaneously. Finally, the simulation verification is carried out and compared among the proposed method and the traditional model predictive control method without considering the synchronization error (NSE- MPC), as well as the relative coupled control method based on PID(RC-PID), the results illustrate preferable synchronization control performance and strong robustness of the proposed method in the comparative numerical simulation.