Collection of selected, peer reviewed papers from the international conference on electrical information and mechatronics (ICEIM 2012), december 23-25, 2012, jiaozuo, china. The papers are grouped as follows: chapter 1: mechanical engineering; chapter 2: mechanical transmission, vibration and friction; chapter 3: materials engineering; chapter 4: manufacturing technologies; chapter 5: devices and instruments for detection and diagnosis; chapter 6: mechatronics, control and information technologies; chapter 7: environment engineering; chapter 8: engineering management and product design.
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