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This paper presents an analysis and optimal design of a capacitor-driven inductive coilgun. The electromagnetic FEA model of the capacitor-driven inductance coilgun is established and simulated by using Ansoft. In order to speed up the optimization, an equivalent circuit is designed for simulation of the performances of coilgun. A piece-wise model of projectile is built to account for the eddy current...
In this paper, an improved magnetic equivalent circuit (MEC) is applied to calculate the nonlinear magnetic field in an interior-type permanent-magnet (IPM) brushless DC (BLDC) motor. Compared with the finite element method, the MEC method is much more time efficient, whereas compared with the conventional MEC method, the improved MEC is more accurate since it takes the complicate topological structure...
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