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- W2017707967 abstract "스마트폰의 슬림화를 위한 방법으로 스마트폰의 두께 방향이 아닌 너비 방향으로 진동하는 수평 선형 진동 모터를 여러 회사에서 현재 개발 중이다. 진동 모터 개발과정 중 수학적 모델링을 이용한 방법은 진동을 예측하기 위한 효율적인 방법 중 하나이다. 하지만 실제 수평 선형 진동모터에서는 Lorentz Force에 의한 수평 힘과 진동자 내의 자석과 브라켓 사이에 작용하는 자력에 인한 인력과 진동자 중력에 의한 수직 힘이 발생하여 진동자는 수평 선형 운동이 아닌 비틀림 운동을 하게 된다. 즉, 진동자에 수평 힘만 고려되어져 이상적인 운동으로 가정하는 수학적 모델링은 해석 오차의 발생 원인 중 하나이다. 따라서, 본 논문은 상용 동역학 해석 프로그램인 DAFUL을 이용한 진동 모터의 동적해석을 제시한다. 이 해석 프로그램은 진동자에 작용하는 수평, 수직 힘을 모두 고려할 수 있어 실제 진동모터의 움직임에 가까운 운동을 구현하여 수학적 모델링이 가지는 한계를 극복할 수 있다. 또한 DAFUL을 이용하여 해석 결과를 검증하기 위해 실험을 행하였고, 각각의 데이터를 비교 및 분석하여 결과를 확인하였다. Many companies have tried to develop the horizontally vibrating linear motor, for sliming the smart phone. Mathematical modeling and analysis is one of method to simulate the dynamic performance of the horizonatally vibrating linear motor. However, the horizontally vibrating linear motor vibrates in twisting mode because there are two kinds of force acting on the vibrating part. One is are the horizontal force by Lorentz force. The other is the vertical force by attraction force between magnet of vibrating part and bracket and the gravity force of vibrating part. However, those are very difficult to be included in mathematical modeling which generate the simulation errors. In this paper, we perform MFBD (multi flexible body dynamics) simulation using commercial dynamic analysis program DAFUL. In our new model, the force effects those are neglected in mathematical model, are included. For the verification, the simulation results are compared with the experiment results with manufactured prototype." @default.
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- W2017707967 title "Dynamic analysis of horizontal linear vibrating motor using DAFUL program" @default.
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- W2017707967 doi "https://doi.org/10.5762/kais.2013.14.11.5323" @default.
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