本研究探討軸向式磁性聯軸器之設計方法以及其應用於調速場合之原理。磁性聯軸器運作原理類似感應馬達，利用其中一側磁場在另一側感應出渦電流的方式達到機械功率傳遞的目的。此一型聯軸器在國內較無相關研究，本研究首先蒐集磁性聯軸器之相關文獻並探討其研究現況，理論部分結合感應馬達與發電機之數學模型，提出磁性聯軸器之穩態機械特性曲線公式，並且進行不同參數的分析，歸納出磁性聯軸器之設計步驟。接著提出一改良式槽狀結構導體盤，透過分析模擬以及實作一測試平台，驗證槽狀導體結構可有效減少銅導體用量並提升聯軸器之傳遞效率。結果可做為相關聯軸器設計之參考。

This research focuses on the design procedure of an axial flux type magnetic coupling and its application in adjustable speed drives. The operating principle of the magnetic coupling is similar to that of induction motors, where the mechanical power is transmitted by way of inducing eddy currents on the conductor. This paper not only surveys relative references but also proposes a mathematical description of the magnetic coupling which combines the mathematical models of induction motors and generators. Through the analysis of different parameters, the design procedure of the magnetic coupling is also developed. In addition, a slotted-type conductor is presented in order to improve the transmitting efficiency. By simulation and a testing platform, the slotted-type conductor can be verified to reduce the usage of copper conductor and have better transmitting efficiency.

[1]http://www.moeaidb.gov.tw/
[2]http://www.kania-cemerlang.com/motor_load_types.htm
[3]http://www.magnadrive.com
[4]蘇武昌，電機機械，高立圖書出版有限公司，2010。
[5]http://www.chuandong.com/publish/tech/application/2009/4/
tech_3_16_13393.html
[6]http://emis.erl.itri.org.tw/index.asp
[7]http://www.fluxdrive.com/index.html
[8]http://www.magnadrive.com
[9]A. Tonoli and N Amati, “Dynamic Modeling and Experimental Validation of Eddy Current Dampers and Couplers,” Journal of Vibration and Acoustics, Vol. 134, pp. 1-9, 2008.
[10]C. Y. Liu, K. J. Jiang, and Y. Zhang, “ Design and Use of an Eddy Current Retarder,” International Journal of Automotive Technology, Vol. 12, No. 4, pp. 611-616, 2011.
[11]E. J. Davis, “ An Experimental and Theoretical Study or Eddy-Current Couplings and Brakes,” IEEE Transactions on Power Apparatus and Systems, Vol. 82, pp.401-409, 1963.
[12]D. A. Bloxham and M. T. Wright, “Eddy-Current Coupling as an Industrial Variable-Speed Drive,” Proceedings of the Institution of Electrical Engineers-London, Vol. 119, No. 8, pp.1149-1154, 1972.
[13]T. W. Nehl, and B. Lequesne, “Nonlinear Two-Dimensional Finite Element Modeling of Permanent Magnet Eddy Current Couplings and Brakes,” IEEE Transactions on Magnetics, Vol. 30, No. 5, pp.3000-3003, 1994.
[14]B. Lequesne, B. Liu, and T.W. Nehl, “Eddy-Current Machines with Permanent Magnets and Solid Rotors,” IEEE Transactions on Industry Applications, Vol. 33, No. 5, pp.1289-1294, 1997.
[15]A. Wallace, A. von Jouanne, R. Jeffiyes, E. Matheson, and X. Z. Zhou, “Comparison Testing of an Adjustable-Speed Permanent-Magnet Eddy-Current Coupling,” Pulp and Paper Industry Technical Conference, Atlanta, USA, pp.73-78, 2000.
[16]A. Wallace, and A. von Jouanne, “Industrial Speed Control：Are PM Couplings an Alternative to VFDs,” IEEE Industry Applications Magazine, Vol. 7, pp. 57-63, 2001.
[17]A. Canova, and B. Vusini, “Design of Axial Eddy-Current Couplers,” IEEE Transactions on Industry Applications, Vol. 39, No. 3, pp. 725-733, 2003.
[18]H. K. Razavi, and M. U. Lampérth, “Eddy-Current Coupling with Slotted Conductor Disk,” IEEE Transactions on Magnetics, Vol. 42, No. 3, pp. 405-410, 2006.
[19]X. Wang, and D. Wang, “Calculation of Eddy Current Loss and Thermal Analysis for Adjustable Permanent Magnetic Coupler,” 2011 International Conference on Electronic & Mechanical Engineering and Information Technology, Harbin, Heilongjiang, China, Vol. 9, pp. 4405-4408, 2011.
[20]P. Corbin, III, and R. P. Braun, “Apparatus for Transferring Torque Magnetically,” US 2010/0277021 A1, 2010.
[21]茆尚勳，直驅式跑步機用直流無刷馬達之設計，碩士論文，國立成功大學機械工程學系，2002。
[22]J. F. Gieras, R. J. Wang, and M. J. Kamper, “Axial Flux Permanent Magnet Brushless Machines,” Kluwer Academic Publishers, 2004.
[23]黃政棋，磁性行星齒論系之設計與特性分析，碩士論文，國立成功大學機械工程學系，2006。
[24]王順忠，陳秋麟，電機機械基本原理，東華書局股份有限公司，2004。
[25]郭景全，降低永磁無刷馬達頓轉轉矩之研究，碩士論文，逢甲大學資訊電機工程學系，2006。