TY - CONF T1 - Direct power control of a permanent magnet linear generator in a free piston energy converter JO - Proceedings of the 11th International Conference on Electrical Machines and Systems Icems 2008 PY - 2008/12/01 AU - Lu Y AU - Huang X AU - Zhu ZQ ED - SP - 3636 EP - 3639 Y2 - 2025/11/14 ER -