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Predictive Functional Control of a Table Drive System Using Disturbance Observer and Preview Feedforward Controller

机译:使用干扰观测器和预览馈电控制器的表驱动系统的预测功能控制

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This paper addresses a two-degree-of-freedom control system design for positioning devices such as table drive systems based on the predictive functional control (PFC). The aim of the paper is to improve the tracking performance of the previously developed disturbance observer-based predictive functional control (DOB-PFC) system. To this end, we derive a transfer function representation of the PFC controller. On the basis of the representation, we apply the zero phase error tracking controller (ZPETC) as a feedforward preview controller. Experiments using a real table drive system are conducted to compare the proposed control system with DOB-PFC. The experimental results show that the tracking error is greatly reduced compared to DOB-PFC.
机译:本文解决了两级自由度控制系统设计,用于定位设备,如表驱动系统的定位装置(PFC)。 本文的目的是提高先前开发的干扰观测器的预测功能控制(DOB-PFC)系统的跟踪性能。 为此,我们推出了PFC控制器的传递函数表示。 在表示的基础上,我们将零相位误差跟踪控制器(ZPETC)应用为前馈预览控制器。 进行使用真实表驱动系统的实验,以将所提出的控制系统与DOB-PFC进行比较。 实验结果表明,与DOB-PFC相比,跟踪误差大大降低。

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