Future Work

In this dissertation, it shows that the bang-bang sliding mode control is effective in designing the switching controllers for buck DC-DC converters and a specific class of switched systems. Nevertheless, there still exist some issues worthy of further studies.

In Chapter 3, the work of determining the coefficients of the sliding function and the PI-type compensator are separated in two independent steps. However, it can integrate these steps into one step by designing the original sliding function with the integral term of output voltage error. Without separately designing the sliding function and the PI-type compensator, the overall system dynamics in the sliding mode can be properly assigned and it can be referred to the work in [20].

A unified approach has been proposed to design the PWM-based sliding mode voltage controllers for boost and buck-boost DC-DC converters [22]. However, it is still difficult to design a static sliding mode without the integral term. Therefore, the work in Chapter 4 has the potentiality of being extended to the converters having un-negligible bilinear terms in their large-signal models.

The existence of stable sliding motions in Chapter 4 is only guaranteed for second-order switched systems. However, for high-order switched system, there may exist unstable hyper-switching motions, i.e., the system trajectories switch along both of s(x)=0 and ρ(x)=0, and then become unstable. In order to apply the bang-bang

sliding mode control in high-order switched systems, the conditions for the existence of stable hyper-switching motion and the exclusion of hyper-switching motion are both deserving of further research.

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VITA

學經歷資料 姓名 : 蔡建峰

性別 : 男

生日 : 民國 65 年 11 月 28 號 出生地 : 高雄市

論文題目 :

中文 : Bang-Bang 順滑控制在切換式電源轉換器之設計

英文 : Bang-Bang Sliding Mode Control in Switching Power Converters 學歷

1. 民國 84 年 9 月~民國 88 年 6 月 國立清華大學動力機械工程學系

2. 民國 88 年 9 月~民國 90 年 6 月 國立清華大學動力機械工程學系碩士班 3. 民國 90 年 9 月~民國 96 年 10 月 國立交通大學電機與控制工程學系博士班

PUBLICATION LIST

著作目錄 姓名 : 蔡建峰 (Jian-Feng Tsai)

期刊論文:

[1] Jian-Feng Tsai, Yon-Ping Chen, “Design and Performance Analysis of an Axial-Flux Disk-Type Switched Reluctance Motor for Hybrid Scooters,” JSME, Series C, vol. 49, No. 3, pp. 882-889, Sept. 2006.

[2] Jian-Feng Tsai, Yon-Ping Chen, “Sliding Mode Control and Stability Analysis of Buck DC-DC Converter,” International Journal of Electronics, Vol. 94, No. 3, pp.

209-222, March 2007.

研討會 :

[1] 蔡建峰，陳永平, 2004, “Stability Analysis and Sliding Mode Control of Buck Dc-Dc Converter with Parasitic Resistance,”中華民國自動控制研討會, 2004.

[2] Y.-H. Hung, J.-F. Tsai, and C.-T. Hsu, “An Optimized on-Line Control Strategy for A PEM Fuel Cell Battery Hybrid Electric Scooter”, 8th International Symposium on Advanced Vehicle Control, Taipei, 2006.