An Axial Cycloidal Magnetic Gear That Minimizes the Unbalanced Radial Force
This work was supported in part by the China Scholarship Council and in part by the National Science Foundation under Grant 1827801. The authors would like to thank the anonymous reviewers for their insightful comments and the JMAG Corporation for the use of their FEA software.
IEEE Transactions on Magnetics
This article investigates a new type of axial cycloidal magnetic gear (CMG) that can minimize the unbalanced radial force within the CMG structure. The unbalanced radial force is decomposed into an eccentric coupling force and an eccentric quadrature force. These two force components are studied separately for both the radial and axial CMG typologies. The studies show that only the axial CMG can cancel out the eccentric coupling force. An example design of a parallel connected dual-rotor axial CMG that minimizes the unbalanced radial force is presented. The design has a gear ratio of 96:1 and a calculated active region volumetric torque density of 251 N·m/L.
Locate the Document
H. Huang, J. Z. Bird, A. L. Vera and R. Qu, "An Axial Cycloidal Magnetic Gear That Minimizes the Unbalanced Radial Force," in IEEE Transactions on Magnetics, vol. 56, no. 7, pp. 1-10, July 2020, Art no. 8101210, doi: 10.1109/TMAG.2020.2987293.