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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/83700


    Title: The Design of the Eddy-Current Magnet Brakes
    Other Titles: LA CONCEPTION DE SYSTE` MES DE FREINAGE MAGNE´ TIQUES A` COURANTS DE FOUCAULT
    Authors: Ma, Der-Ming;Shiau, Jaw-Kuen
    Contributors: 淡江大學航空太空工程學系
    Keywords: Magnetic brakes;eddy-current magnetic brakes;optimum control;freinage magne´tique;freinage magne´tique a` courants de Foucault;controˆle optimal
    Date: 2011-03
    Issue Date: 2013-03-20 16:55:24 (UTC+8)
    Publisher: Montreal: Canadian Society for Mechanical Engineering
    Abstract: The eddy-current is created by the relative motion between a magnet and a metal (or alloy) conductor. The current induces the reverse magnetic field and results in the deceleration of motion. The proposed mechanism implements this phenomenon in developing a braking system. The potential applications of the braking system can be a decelerating system to increase the safety of an elevator or any guided rail transportation system. To provide scientific investigation for industrial application of magnetic braking, this study presents four systematic engineering design scenarios to design a braking system. The constant magnetic field is the simplest and easiest design to implement. The optimal magnetic field distribution is obtained by minimizing the deceleration effort. The piecewise-constant magnetic field distribution offers a compromise between performance and magnetic field requirements. The advantages of the section-wise guide rail are tolerable deceleration; and simple design requirement and manufacturing processes. In the study, an experimental braking system using constant magnetic field is build to demonstrate the design procedure.
    Relation: Transactions of the Canadian Society for Mechanical Engineering 35(1), pp.19-37
    Appears in Collections:[航空太空工程學系暨研究所] 期刊論文

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