This paper proposes a control structure suitable for high-order non-minimum phase (NMP) processes. In general, dead-time compensators (DTCs) firstly predict the process output with zero error at a steady-state and then a primary controller with an integrator is designed based on the delay-free model. The main advantage of the proposed structure is that the primary controller is only a state feedback gain with no integrators. This leads to fewer parameters to tune and lower order filters, while a robustness filter is used to reject disturbances and guarantee zero error at a steady state. Simulation results show better or equivalent performance compared to other recently published works, even kept the controller design simplicity.

本文提出了一种适用于高阶非最小相位（NMP）过程的控制结构。通常，空载时间补偿器（DTC）首先在稳定状态下以零误差预测过程输出，然后基于无延迟模型设计带有积分器的主控制器。所提出的结构的主要优点是初级控制器只是一个状态反馈增益而没有积分器。这导致需要较少的参数来进行调谐和降低阶滤波器，而使用鲁棒性滤波器来抑制干扰并保证稳态下的零误差。与其他最近发表的作品相比，仿真结果显示出更好或相当的性能，甚至保持了控制器设计的简单性。