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本文将串级控制结构与预测控制算法相结合,提出一种预测-PID串级控制策略,讨论了设计要点,并通过仿真试验说明,这一控制策略既保持了原来预测控制的强鲁棒性和跟踪性能,又具有足够的抗干扰性。文章最后还给出了这一方案在某合成氨厂的控制效果。
In this paper, a cascade control structure and predictive control algorithm are combined to propose a predictive-PID cascade control strategy. The key points of the design are discussed. The simulation results show that this control strategy not only maintains the robustness of the original predictive control And tracking performance, but also has sufficient anti-interference. The article also gives the final control of this program in an ammonia plant.