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Article
Publication date: 10 May 2011

Isabel Coenen, Mercedes Herranz Gracia and Kay Hameyer

The purpose of this paper is to describe how a minimisation of cogging torque is performed with respect to the non‐ideal manufacturing process, aiming at a robust design of the…

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Abstract

Purpose

The purpose of this paper is to describe how a minimisation of cogging torque is performed with respect to the non‐ideal manufacturing process, aiming at a robust design of the studied machine, focusing on magnetisation faults and the use of different qualities of the permanent magnet material.

Design/methodology/approach

The applied methodology is a combination of design of experiments and finite element analysis to minimise the cogging torque of the estimated machine. Different qualities of the permanent magnet material are investigated by a stochastic analysis.

Findings

A robust design of the machine is achieved, which is verified by a stochastic analysis. Furthermore, this analysis shows the strong influence of the magnet quality on the cogging torque.

Practical implications

This paper provides a method for a machine design which is robust against non‐ideal manufacturing and an approach to prove the use of a bad quality for a possible reduction of the fabrication costs.

Originality/value

This paper gives a close insight on how to investigate non‐ideal manufacturing and in particular its influence on the cogging torque.

Details

COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, vol. 30 no. 3
Type: Research Article
ISSN: 0332-1649

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