基于大系统分解协调思想，针对预测控制系统，提出了一种带有并行结构的时间分解算法，以提高滚动优化在线计算效率。仿真结果表明了该算法的有效性。 Based on the idea of ​​large system decomposition and coordination, aiming at the predictive control system, a time-decomposition algorithm with parallel structure is proposed to improve the online calculation efficiency of the rolling optimization. Simulation results show the effectiveness of the algorithm.