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This paper considers the design and analysis of a tubular linear permanent magnet machine for high force density applications, such as in the aerospace industry. Different machine topologies and slot-pole combinations are considered. Optimization with respect to machine geometry is addressed analytically and validated through finite element simulations. A technique to reduce heat build-up in the winding...
In this paper, we present a new tubular permanent-magnet linear machine with square-shaped cross section and derive its corresponding analytical model by solving Maxwell equations and applying the superposition theorem. The analytical field solution is necessary for obtaining an analytic form of the machine parameters and variables such as the self- and mutual inductances of the windings, the thrust...
A few versions of linear switched reluctance motors with transverse magnetic flux are studied in order to find the optimum construction with respect to a specific force. The analysis of motor electromechanical parameters has been based on 3-D finite element method. By comparing the motors' force-to- mass ratio, the optimal construction has been determined.
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