气动脉宽调制位置伺服系统是非线性的系统，在气缸摩擦力较大的情况下，采用传统的控制方法难以取得满意的效果。
Pneumatic PWM position servo system is nonlinear system. The satisfied results are difficult to be obtained with traditional control method while the friction force of cylinder is large.
该系统可以实现对气缸位置的高精度控制。
本文对由伺服阀和无杆气缸组成的气动伺服位置控制系统进行了数学建模和控制研究。
The pneumatic servo positioning system, which is composed of rodless cylinder and the servo valve, is studied on mathematical modeling and control in this paper.
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