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This paper presents an analytical model based on the subdomain method and conformal mapping method for predicting the performance of the permanent magnet (PM) biased homo-polar radial magnetic bearing (HRMB). Due to the homo-polar PM flux field of HRMB, the subdomain method combined with the periodic boundary condition is applied to obtain PM flux field distribution. The saddle winding is treated...
This paper proposes an analytical method that combines the superposition and the subdomain methods to predict the air-gap field distribution in permanent magnet (PM) machines with rotor eccentricity. The original machine with rotor eccentricity is divided into a number of air-gap sections along the circumferential direction. For each air-gap section, a concentric model is employed by adopting an equivalent...
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