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김평호(P. H. Kim),권중학(J. H. Kwon),이종석(J. S. Lee),황상문(S. M. Hwang) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.5
This paper is about design for minimum flux leakage in microspeaker used for radiotelegraph. Response Surface Method (RSM) is applied as the optimization technique high magnetic force. Object function are magnetic force and flux leakage as three factors. Pole piece thickness, magnet grade and yoke thickness which are selected in design of experiment. Magnetic force and flux leakage are calculated for each condition and optimized by results evaluated with RSM. When those factors are the thickness of pole piece of 0.9㎜ magnet grade of N42H and the thickness of yoke of 0.75 ㎜. Magnetic force is satisfied and flux leakage is decreased to 11.8%.