In manufacturing automation, there is a strong need for highly integrated intelligent components and subsystems. In this context, a novel two-stage pneumatic piezoelectric-actuated valve has recently been developed. It covers a wide range of pneumatic products and functions in one compact component and enables flexible and adaptive plant operation. The valve consists of four poppet main-stage valves that are driven by piezoelectrically actuated pre-stage valves and includes pressure sensors as well as a powerful computational unit. This work presents the systematic development of a model-based position control algorithm including modeling, identification, and controller design. The control concept comprises a hysteresis compensation based on the Prandtl–Ishlinskii operator theory, a flatness-based feedforward controller, and a PI feedback controller with appropriate anti-windup measures. Measurement results from a test bench demonstrate the performance of the proposed concept.

在制造自动化中，强烈需要高度集成的智能组件和子系统。在这种情况下，最近已经开发了一种新型的两级气动压电致动阀。它在一个紧凑的组件中涵盖了广泛的气动产品和功能，并实现了灵活，适应性强的工厂操作。该阀由四个提升主级阀组成，这些阀由压电促动的预级阀驱动，并包括压力传感器和强大的计算单元。这项工作介绍了基于模型的位置控制算法的系统开发，包括建模，识别和控制器设计。控制概念包括基于Prandtl–Ishlinskii算子理论的迟滞补偿，基于平坦度的前馈控制器，PI反馈控制器具有适当的抗饱和措施。测试台的测量结果证明了所提出概念的性能。