Abstract
This paper deals with the thrust calculations and the measurements of a cylindrical linear oscillatory actuator (LOA) using transfer relations theorem (TRT), namely, Melcher's methodology. Using transfer relations derived in terms of a magnetic vector potential and a two- dimensional (2-D) cylindrical coordinate system, this paper derives analytical solutions for the magnetic vector potential, magnetic fields due to permanent magnets (PMs), and stator winding currents and the thrust. The analytical results are validated by nonlinear finite element (FE) analyses. In particular, test results such as thrust and back-EMF (electromotive force) measurements are given to confirm the analysis.
Published Version
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