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Jun-Hyung Kim, Yuan-Wu Jiang and Sang-Moon Hwang
A vibrating motor is a multi-physics product in which there is coupling between electrical, magnetic, and mechanical domains. To obtain a more accurate analysis, nonlinear parameters, such as inductance, speedance, and force factor, are considered as fun...
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Yuan-Wu Jiang, Dan-Ping Xu, Zhi-Xiong Jiang, Jun-Hyung Kim and Sang-Moon Hwang
With the development of multimedia devices, earphones are playing an increasingly important role. This article applies the lumped parameter method using an equivalent circuit to model the electromagnetic, mechanical, and acoustic domains of earphones. Th...
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