Improved analytical model for predicting the magnetic field distribution in brushless permanent-magnet machines

By Z. Q. Zhu, D. Howe, Ching Chuen Chan. 2002

477 citations recorded by the source corpus.

Subfields: Control and Systems Engineering, Electrical and Electronic Engineering, Electronic, Optical and Magnetic Materials

View Paper: https://www.semanticscholar.org/paper/1652023495b3d118f1be56e32c69c01d3f513bb9

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In Control and Systems Engineering

In Electrical and Electronic Engineering

In Electronic, Optical and Magnetic Materials

Citations in the corpus

Analytical calculation of magnetic field distribution in the slotted air gap of a surface permanent-magnet motor using complex relative air-gap permeance (2006, methodology): “An exact field solution in the air gap of a surface PM motor with radial or parallel magnetization was given by Zhu, Howe, Bolte, Ackermann, and Chan in [1] and [2].”
Analytical Methods for Minimizing Cogging Torque in Permanent-Magnet Machines (2009, methodology): “To improve the accuracy, the air gap flux density distribution in an equivalent slotless machine can be obtained from the analytical expression in [ 25 ] or FEA, but the resultant and optimal values can not be analytically expressed and can only be obtained by using the numerical method.”
Analysis of surface permanent magnet machines with fractional-slot concentrated windings (2006, methodology): “The model chosen for this analysis [10] is very useful since it can be used for both internal or external rotor structures with either radial or parallel magnetization.”
Analytical Solution for Cogging Torque in Surface Permanent-Magnet Motors Using Conformal Mapping (2008, background): “combinations including fractional slot windings [20]‐[22], adjusting the slot opening width [20], [22], air-gap length and magnet thickness, using different types of magnetization (radial, parallel, etc.) [22], [ 23 ], shifting of permanent magnets [24]‐[27], notches in the stator teeth [22], [24], ”
Analytical Solution of the Magnetic Field in Permanent-Magnet Motors Taking Into Account Slotting Effect: No-Load Vector Potential and Flux Density Calculation (2009, methodology): “The analytical solution for the PM brushless dc motors having internal rotor is based on the same technique as [17], [21], [22].”
Analytical Modeling and Finite-Element Computation of Radial Vibration Force in Fractional-Slot Permanent-Magnet Brushless Machines (2010, methodology): “gap of slotless surface-mounted PM machines can be given by [36], [ 37 ]”
An Accurate Subdomain Model for Magnetic Field Computation in Slotted Surface-Mounted Permanent-Magnet Machines (2010, methodology): “magnet (Region 1), air-gap (Region 2), and stator slots (Region .). The general expressions of the scalar potential distributions in polar coordinates can be expressed by [ 7 ], [72]:”
Unbalanced Magnetic Forces in Permanent-Magnet Brushless Machines With Diametrically Asymmetric Phase Windings (2005, background): “Furthermore, the air-gap flux density distribution in a slotted motor can be obtained by introducing a relative permeance function [13].”