Design of linear synchronous generator suitable for free-piston engine linear generator system

A free-piston engine linear generator (FPEG) system generates electricity using a linear generator when a free piston reciprocates the combustion thrust of the internal combustion. This system is expected to be applied to hybrid vehicles. In this paper, we propose a configuration for an FPEG, and we evaluate its static thrust and magnetic flux density distribution using finite element method (FEM) analysis.