常見例句Electromechanical valve actuator system (EMVA) uses solenoid to drive each valve independently for achieving variable valve timing (VVT). 電磁式汽門機構使用電磁螺線管式驅動汽門,免除凸輪軸,各汽門可獨立控制。The main issues of the present research (EMVA) aims to the lower power source needed and hybrid magneto-motive force (MMF) usage. 本文的研究主題為利用高磁能積永磁與線圈激磁之混合磁動勢,結合低電功率之概念,開發(fā)出新型電磁式汽門機構來達到性能需求。Keywords electromechanical valve actuation(EMVA);camless engine;variable valve actuation (VVA);high-speed solenoid valve;soft landing;variable structure control;sliding mode control; 電磁驅動氣門系統(tǒng);無凸輪發(fā)動機;可變氣門驅動;高速電磁閥;軟著陸;變結構控制;滑模控制; 返回 EMVA