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 摘要為了提高伺服作動(dòng)系統(tǒng)的可靠性,設(shè)計(jì)了一種三余度的電液伺服作動(dòng)系統(tǒng),將伺服閥的力矩馬達(dá)、噴嘴擋板閥、系統(tǒng)的反饋元件等做成一式三份。