Robust Product Design for Unbalanced-Magnetic-Pull Optimization of High Performance BLDC Spindle Motors Using Taguchi Method

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概要

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• The effect of Unbalanced-Magnetic-Pull (UMP) on vibration and run-outs has become stringent in the design for high performance HDD spindle motors. In this paper, reducing the UMP and also minimizing its variability for 8-pole 9-slot spindle motor to make the performance robust is described and illustrated using novel robust design methods. Screening Experiment identifies the key design parameters.Using Design of Experiment (DOE) and Analysis of Variance (ANOVA), the parameter design reduces the amplitude of UMP and minimizes its variability by product parameter optimization. The tolerance design improves the quality by tightening tolerances on product or process parameters to reduce the performance variation. The optimal design process includes considerations of manufacturing and process noises, such as manufacturing tolerances for the slot opening and variation of the rotor magnet magnetization distribution due to the magnetization fixture and process. The optimal design process is briefly introduced and the results are presented.

• 一般社団法人電子情報通信学会の論文
• 2000-11-08

著者

• Low T.

  Data Storage Institute 5 Engineering Drive 1

• Low T.s.

  Data Storage Institute

• Gao X.

  Data Storage Institute, 5 Engineering Drive 1

• Chen S.

  Data Storage Institute, 5 Engineering Drive 1

関連論文

• Robust product design for unbalanced-magnetic-pull optimization of high performance BLDC spindle motors using Taguchi method (マルチメディアストレージ--第5回アジア情報記録技術シンポジウム〔英文〕)
• Robust Product Design for Unbalanced-Magnetic-Pull Optimization of High Performance BLDC Spindle Motors Using Taguchi Method

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