In order to improve the reliability of servo system, a triplex electro-hydraulic servo actuator system with three torque motors, three jet flapper valves and three sets of feedback components is designed.

• 摘要为了提高伺服作动系统的可靠性，设计了一种三余度的电液伺服作动系统，将伺服阀的力矩马达、喷嘴挡板阀、系统的反馈元件等做成一式三份。