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The paper is aimed at an investigation of the
features of a tubular-linear synchronous quasi-Halbach machine
(T-LSM) where the radially-magnetized PMs are substituted
by four equal segments with parallel magnetization. Such a
substitution is done in an attempt to improve the machine costeffectiveness
which makes it a viable candidate to equip freepiston
engine-based series hybrid propulsion systems. The study
is initiated an analytical formulation of the flux density spatial
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