| Summary: | 博士 === 國立臺灣大學 === 機械工程學研究所 === 106 === Magneto-rheological(MR) fluid is a kind of new novel smart material. Can take advantage of the high damping and good controllability achieved when the liquid passes through the applied magnetic field and the continuous control, active control and passive control can be achieved without complex devices. In this paper, this characteristic will be applied to the torque vectoring differential on the numerical simulation, as the future of a new torque vectoring differential reference. This study discussed the principle of torque vectoring differential for the four-wheeled vehicle, and developed a design method and procedure to build a new concept torque vectoring differential device. Through the simulation analysis, the operating characteristics and performance of the new concept device are derived. In this thesis, first of all, the references related to the technique are introduced. Second, a number of international patents are discussed, and they can be categorized by several unique methods. It could determine the trend of the technique development, and reveal the technical gap needed to improve. Next step, a new concept torque vectoring differential is proposed, including the structure of the device and the mathematics model. Finally, the design can improve the performance of torque vectoring, and can reduce the radius of turning. It’s hoped that could provide more understanding of MR clutch design.
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