| 研究生: |
林季鋒 Chi-Feng Lin |
|---|---|
| 論文名稱: |
應用模糊控制於正負脈衝充電法之快速充電器 |
| 指導教授: |
徐國鎧
Kuo-Kai Shyu |
| 口試委員: | |
| 學位類別: |
碩士 Master |
| 系所名稱: |
資訊電機學院 - 電機工程學系 Department of Electrical Engineering |
| 畢業學年度: | 90 |
| 語文別: | 中文 |
| 論文頁數: | 64 |
| 中文關鍵詞: | 電池 、充電器 、脈衝充電法 、微處理器 、模糊 |
| 外文關鍵詞: | pulse charging method, charger, battery, PIC, Fuzzy |
| 相關次數: | 點閱:26 下載:7 |
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摘要
本論文設計一個以PIC單晶片為基礎之模糊控制快速充電器。系統硬體架構採用PIC微處理器分析處理回授的電壓、電量訊號,調整PWM的輸出值,控制充電電流的大小及充電時間,並以二開關式順向電源轉換器作為主要直流來源。充電方法則採用正負脈衝充電法,讓電解液有緩衝釋放雜質的時間,改善電池充電時的溫升現象。並以定電壓充電法(CV)、定電流-定電壓充電法(CC-CV)與本文所提出之充電方法做比較。控制方式則利用模糊理論設計一個智慧型的模糊控制器,依照電池充電狀態不同,適時調整充電電流大小,避免過充造成電池損害。
實驗結果顯示,在相同的電池殘電量下,比較三種不同方式對電池充電,本論文所提的充電方法能縮短充電時間,並將溫度控制在36℃附近,有效改善充電時的溫升現象;而針對不同殘電量的電池,實驗結果也證明,模糊控制器確實能針對電池殘電量的不同,適時給予不同的充電電流,不至於發生大電流過充造成電池受損或電池充不飽的情況,達到在縮短充電時間的同時,能維護電池使用壽命的目的。
NONE
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