对小型闭环比例气动舵机进行了分析，建立了完整的闭环比例气动舵机数学模型。
Closed cycle proportion spherical valve pneumatic actuator system is analyzed, and its complete mathematical model is established.
它是地面半实物仿真系统中的一种重要专用设备，用来模拟飞行器舵机在飞行过程中所承受空气动力力矩载荷。
It is an important half hardware-in-loop simulation equipment, which is often used to simulate the aerodynamic torque load on the missile rudder or elevon actuators in the flight.
新型空气动力负载模拟器是在传统的电液负载模拟器上增加一个位置同步马达，补偿由舵机主动转动产生的位置扰动。
The new air dynamical load simulator is that a position synchronous system is appended to a traditional load simulator to compensate for the position disturbance of the steering engine.
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