servo actuator

The results show that the direct drive volume control electro-hydraulic servo actuator has good qualification in dynamic performance and can meets the capacity requirements in the tilting control system.

仿真结果表明：直驱式容积控制电液伺服作动器具有较好的动态性能，能够满足摆式列车倾摆作动系统的性能要求。

The hydraulic throttle actuator controlled by PWM is adopted in the throttle servo system.

油门伺服系统的执行机构选用高速开关阀控液压油缸，由电控单元通过调节脉宽控制。

For the tumbling loop, the servo actuator adopts three-position relay control fashion to make the loop be stable by using the relay control circuit, the three-position and five-passage valve and the gas amplification device.

对于滚转稳定回路，采用三位置继电控制舵，通过继电放大器、三位五通阀和气动放大器来控制舵面的偏转，以此来实现滚转稳定。

PCL-839 is a motion control card with the function of 3-way independent stepping control, which can be connected directly to a servo actuator.

PCL-839是一块具有3路独立步进控制功能的运动控制卡，可以直接与伺服驱动器相连。

Research to the Application of Actuator for Servo Valve

阀用电-机械转换器的应用研究