Design and analysis of linear oscillatory single-phase permanent magnet generator for free-piston stirling engine systems Article Swipe

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Stirling engine Piston (optics) Magnet Generator (circuit theory) Mechanical engineering Linear congruential generator Eddy current Control theory (sociology) Computer science Physics Engineering Electrical engineering Power (physics) Thermodynamics Control (management) Artificial intelligence Wavefront Optics

Jeong-Man Kim , Jang-Young Choi , Kyu-Seok Lee , Sung-Ho Lee ·

YOU? · · 2017 · Open Access · · DOI: https://doi.org/10.1063/1.4977888 · OA: W2598515216

This study focuses on the design and analysis of a linear oscillatory single-phase permanent magnet generator for free-piston stirling engine (FPSE) systems. In order to implement the design of linear oscillatory generator (LOG) for suitable FPSEs, we conducted electromagnetic analysis of LOGs with varying design parameters. Then, detent force analysis was conducted using assisted PM. Using the assisted PM gave us the advantage of using mechanical strength by detent force. To improve the efficiency, we conducted characteristic analysis of eddy-current loss with respect to the PM segment. Finally, the experimental result was analyzed to confirm the prediction of the FEA.