1Goldste R J. Variables of Electromagnetic Valve Actuator Performance[J]. Engine Technology International. 1997.
2Holt D. Careless engine[J]. Automotive Engineering International, 2000.
3Birth S. Renault Research[J]. Automotive Engineering International, 2000.
4Theobald M A, Lequesne B , Henry R. Control of Engine Load via Electromagnetic Valve Actuators[C]. SAE 940816.
5Salber W, Kemper H, Staay F and Esch T. The Electro-Mechanical Valve Train-A System Module for Future Powertrain Concepts[J]. MTZ, 2000, 61 (12) : 826 -826 and MTZ,2001,62(1):44-55.