对气动位置系统的嵌的工作原理、硬件构成和软件入式控制进行研究，介绍了其原理，并详细阐述一种气动阀门定位器智能控制系统设计-aerodynamic position on the embedded system's working principle, hardware and software-in control study , introduced his theory, and an elaborate pneumatic valve positioner Intelligent