Vol.6, No.2, May 2017.                                                                                                              ISSN: 2217-8309

                                                                                                                                                 eISSN: 2217-8333


TEM Journal



Association for Information Communication Technology Education and Science

Design and Optimization of Tube Type Interior Permanent Magnets Generator for
Free Piston Applications




© 2017 Serdal ARSLAN, Sibel AKKAYA OY, published by UIKTEN. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License. (CC BY-NC-ND 4.0)


Citation Information: TEM Journal. Volume 6, Issue 2, Pages 214-221, ISSN 2217-8309, DOI: 10.18421/TEM62-04, May 2017.




In this study a design and optimization of a generator to be used in free piston applications was made. In order to supply required initial force, an IPM (interior permanent magnets) cavity tube type linear generator was selected. By using analytical equations’ basic dimensioning of generator was made. By using Ansys-Maxwell dimensioning, analysis and optimization of the generator was realized. Also, the effects of design basic variables (pole step ratio, cavity step ratio, inner diameter - outer diameter ratio, primary final length, air interval) on pinking force were examined by using parametric analyses. Among these variables, cavity step ratio, inner diameter - outer diameter ratio, primary final length were optimally determined by algorithm and sequential nonlinear programming. The two methods were compared in terms of pinking force calculation problem. Preliminary application of the linear generator was performed for free piston application.


Keywords – Linear generator, Genetic Algorithm, Sequential Nonlinear Programming, Optimization.



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