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題名 | Adaptive Voltage Regulation of PWM Buck DC-DC Converters |
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作者 | 林水春; 蔡清池; | 書刊名 | 勤益學報 |
卷期 | 25 2007.12[民96.12] |
頁次 | 頁(EI)43-(EI)54 |
分類號 | 448.23 |
關鍵詞 | 倒逆步; 適應控制; 數位信號處理; DC-DC轉換器; 脈波寬度調變; Adaptive control; Backstepping; DC-DC converter; Digital signal processor; Pulse width modulation; PWM; Regulation; |
語文 | 英文(English) |
中文摘要 | 本文旨在發展一以數位信號處理器(DSP: Digital Signal Processor)為基礎的PWM降壓型DC-DC換流器之電壓調節運用狀態空間平均法(state space averaging method)建立以va, iL為狀態空間變數的數學模型,以倒逆步適應控制策略做為PWM降壓型直流對直流換流器的電壓調節。本文所提出之控制策均以電腦模擬,並以TMS320C542 DSP單晶片實現其功能。實驗數據證明所提出之控制器能使轉換器輸出電壓快速地穩定於設定值,具有優越的控制性能。 |
英文摘要 | This paper proposed an adaptive voltage regulation method for a PWM buck DC-DC converter. Such a converter is modeled as a linear averaged state-space system model with load steps. With the approximate averaged model, an adaptive control with integral action is designed via back stepping to achieve output voltage regulation. This proposed control method is proven via computer simulations and then verified utilizing a stand-alone digital signal processor (DSP) TMS320C542 form Texas Instruments. Numerical simulations and experimental results show that the proposed control method is capable of giving satisfactory voltage regulation performance under a wide rang of input voltage variations and load steps. |
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