Electromagnetic Design of a Novel DC Lorentz Motor for Micromanipulation

In this paper, an electromagnetic design method for a novel DC Lorentz Motor for micromanipulation is described. To optimize permanent magnet (PM) array and minimize the magnetic field coupling among PMs, the distribution of magnetic field and the fluctuation of Lorentz force are obtained by the 3D finite-element method (FEM). Through the electromagnetic analysis, an optimized distribution and shape of PMs are found. Finally, the optimized DC Lorentz motor is manufactured. These simulation results are verified by those of the experiment results, which presents the finite element model and simulation results are reasonable.