Robust Design for Unbalanced-Magnetic-Pull Optimization of High Performance BLDC Spindle Motors Using Taguchi Method(Special Issue on Selected Papers from the 5th Asian Symposium on Information Storage Technology)

概要

論文の詳細を見る
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 an 8-pole 9-slot spindle motor to achieve robustness in the performance is described and illustrated using novel robust design methods. A 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 procedure is briefly introduced and the results are presented.
社団法人電子情報通信学会の論文
2001-09-01