鋰電池殘電量測系統及校正

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姓名

張惠普(Hui-pu Chang) 查詢紙本館藏

畢業系所

光機電工程研究所

論文名稱

鋰電池殘電量測系統及校正
(State-of-charge estimation for lithium battery)

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至系統瀏覽論文 ( 永不開放)

摘要(中)

本研究提出一個新的殘電量量測方法，其基礎理論是電池在放電時，電池內的等效電阻和電容都會隨著放電深度的變化而改變大小。本文針對此特性設計了一套電池殘電量量測系統，能不影響電池放電的情況下，對電池輸入一個步階訊號，擷取電池在放電狀態下的步階響應，利用數位濾波器與系統鑑別的技術後處理分析電池響應資料，找出電池在系統參數，發現系統參數與殘電量存在線性關係，經過環境因素補償法補償後，可用系統參數評估電池的殘電量。

摘要(英)

One of the most important tasks of the power lithium - ion battery management systems is to precisely estimate the current state of charge (SOC) of the batteries online.This paper presents a new, online, battery state-of-charge estimation and monitoring system for discharge periods of lithium - batteries, commonly used in telecommunication power systems. Our battery management system can perform both the online monitoring and SOC estimation tasks by the use of the same low-cost 8-bit micro-controller. The state equation for battery model and the system dynamic approach for system identification also have been presented. The test results show the proposed identification system has good performance with reduced battery dynamic under the real environments.

關鍵字(中)

★ 鋰電池
★ 殘電量

關鍵字(英)

★ State of charge
★ lithium battery

論文目次

論文摘要 I
ABSTRACT II
誌謝 III
目錄 IV
圖目 X
表目 XIV
第一章諸論 1
第二章系統等效模型與數值分析 3
2.1 系統等效模型 3
2.2 數值分析模型 7
2.2.1數位濾波器 7
2.2.2系統鑑別 11
2.2.3.環境因素補償 14
2.3 系統數學模型 17
第三章系統架構設計 20
3.1.電池殘電量測系統功能方塊圖 20
3.2.電池殘電量測系統動作分解圖 22
第四章電路硬體設計 25
4.1電池衝擊試驗版 25
4.2硬體模擬負載版及校正 27
4.2.1 電阻網路校正方法 29
第五章數位濾波器與系統鑑別 33
5.1 FIR濾波器 34
5.2 系統鑑別 38
第六章實驗數據與討論 42
6.1模擬負載版應用：光伏打電池特性追蹤 42
6.1.1實驗目的 42
6.1.2受測電池規格 42
6.1.3實驗設置 43
6.1.4實驗步驟 44
6.1.5資料收集與處理 44
6.1.6 實驗數據討論 44
6.2 20歐姆固定負載放電測試 46
6.2.1實驗目的 46
6.2.2受測電池規格 46
6.2.3實驗設置 47
6.2.4實驗步驟 48
6.2.5資料收集與處理 48
6.2.6 實驗數據討論 49
6.3 系統參數偏移量說明 51
6.3.1實驗目的 51
6.3.2受測電池規格 51
6.3.3實驗設置 51
6.3.4實驗步驟 52
6.3.5資料收集與處理 52
6.3.6 實驗數據討論 53
6.4 偏移量與環境因素補償說明 55
6.4.1實驗目的 55
6.4.2偏移量與環境因素補償 55
6.4.3實驗設定 56
6.4.4實驗步驟 57
6.4.5 實驗數據討論 58
6.5 20歐姆固定負載放電下電池系統參數的變化 59
6.5.1實驗目的 59
6.5.2受測電池規格 59
6.5.3實驗設置 59
6.5.4實驗步驟 60
6.5.5資料收集與處理 60
6.5.6 實驗數據討論 60
6.6 30歐姆固定負載放電下電池系統參數的變化 63
6.6.1實驗目的 63
6.6.2受測電池規格 63
6.6.3實驗設置 63
6.6.4實驗步驟 64
6.6.5資料收集與處理 64
6.6.6 實驗數據討論 65
6.7 43歐姆固定負載放電下電池系統參數的變化 68
6.7.1實驗目的 68
6.7.2受測電池規格 68
6.7.3實驗設置 68
6.7.4實驗步驟 69
6.7.5資料收集與處理 69
6.7.6 實驗數據討論 70
6.8 50歐姆固定負載放電下電池系統參數的變化 73
6.8.1實驗目的 73
6.8.2受測電池規格 73
6.8.3實驗設置 73
6.8.4實驗步驟 74
6.8.5資料收集與處理 74
6.8.6 實驗數據討論 75
6.9比較電池在不同固定負載放電下的系統參數 78
6.9.1實驗目的 78
6.9.2受測電池規格 78
6.9.3 實驗數據討論 79
第七章結論與未來展望 83
REFERENCES 84

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指導教授

葉則亮、江士標
(Tse-Liang Yeh、Shih-Biau Jiang,)

審核日期

2007-7-6

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