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  • 學位論文

以串接全橋電路供電之數位化電動式振動機電流控制

Digital Current Control for Electrodynamic Shaker Fed by Cascaded Full-Bridge Converter

指導教授 : 陳鴻祺

摘要


本論文使用切換式反流器來控制振動機的電流,比起傳統的線性放大器,切換式反流器具有高效率和體機小的優點,而本論文的切換式反流器採用串接全橋式反流器,串接全橋式反流器具有低電流漣波、高功率輸出的優點,本論文並且針對開關的空白時間作補償,加入一個空白時間補償器,由模擬及實作結果可以看出空白時間補償器確實可以改善電流追蹤性能。

並列摘要


參考文獻


[1] C. M. Harris, Shock and Vibration Handbook, New York:McGraw-Hill, 1998.
[2] K. G. McConnell, Vibration Testing-Theory and Practice, New York:John Wiley & Sons, 1995.
[3] T. H. Chen and C. M. Liaw, “Vibration acceleration control of an inverter-fed electrodynamic shaker,” IEEE/ASME Transactions on Mechatronics, Vol. 4, No. 1, pp. 60-70, Mar. 1999.
[4] J. Salmon, L. Wang, N. Noor, and A. W. Krieger, “A Carrier-Based Unipolar PWM Current Controller That Minimizes the PWM-Cycle Average Current-Error Using Internal Feedback of the PWM Signals,” IEEE Transactions on Power Electronics, Vol. 22, No. 5, pp. 1708-1718, Sep. 2007.
[5] R. Liu, C. C. Mi, and D. W. Gao, “Modeling of Eddy-Current Loss of Electrical Machines and Transformers Operated by Pulsewidth-Modulated Inverters,” IEEE Transactions on Magnetics, Vol. 44, No. 8, pp. 2021-2028, Aug. 2008.

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