The Study of Lithium Ion Battery Management System for Hybrid Electric Vehicle 翁大益、張舜長
E-mail: [email protected]
ABSTRACT
The main purpose of this study is to obtain accurate battery State-of-Charge (SOC) and send it to the controller of power and electric energy management. The Li-ion batteries are managed by these procedures. Vehicle used motor driving as the battery SOC is full, when battery SOC is not enough, used engine driven generator which electric energy controller charge and balance to battery pack. Then set up a battery model method. Develops a battery model simulate battery states in the any test load. Apply the
LabVIEW software user interface to construct an automatic measurement system for the test platform. Through a series test, the experimental data can be used to identify the parameters of Li-ion module for ADVISOR’s RC model and analyze battery performance. Use the measurement system to record the experimental data in charging or discharging condition. Establish
ADVISOR’s RC model to simulate battery states in the any load. This method can add safety and reduce cost of experimentation.
The verify experimentation platform main comprises three parts: (1) an integrated motor/ generator of DC 48V (2) Li-ion batteries capacity is 8.4Ah of 48V and (3) an internal combustion engine of 150c.c. Three parts to make up a parallel hybrid electronic vehicle system. Applying the single chip (8051) is designing battery SOC measurement unit. There are two purposes of SOC control
module. (1) It can provide a SOC signal to HEV system controller. (2) It can display an accurate SOC information to driver. This study proposes a method for estimating battery SOC that use in hybrid electronic vehicle. The measurement of the used initial capacity is based on the open-circuit voltage measurement for before vehicle drive. The measurement of the used capacity is based on the improved coulomb counting, which compensates the effects of output current for vehicle driving. Apply the single chip (8051) to implement theestimated SOC of battery. By a series experiments the estimated SOC of battery is smaller than 10%.
Keywords : Hybrid electronic vehicle, State of Charge, Li-ion battery model, LabVIEW Table of Contents
封面內頁 簽名頁 博碩士論文暨電子檔案上網授權書 ... iii 中文摘要 ... iv 英文摘要
...vi 誌謝 ... viii 目錄 ... ix 圖目錄 ...
xiii 表目錄 ... xviii 符號說明 ... xix 第一章 緒論 ... 1 1.1 前言 ... 1 1.2 文獻回顧 ... 2 1.2.1 控制策略與能量管理系統之探討相關研究 ... 3 1.2.2 電池模 型之探討相關研究 ... 4 1.2.3 電池殘電量之探討相關研究 ... 4 1.3 研究動機與目的 ... 5 1.4 研究 步驟 ... 6 1.5 論文架構 ... 7 第二章 二次電池介紹 ... 9 2.1 二次電池比較 ... 9 2.2 電池之基本特性 ... 13 2.3 電池殘電量檢測方法 ... 13 2.3.1 開路電壓法 ... 14 2.3.2 比重法 ... 14 2.3.3 安培小時法 ... 14 2.3.4 加載電壓法
... 15 2.3.5 查表法 ... 16 2.4 電池模型 ... 17 2.4.1 理想模型 ...
17 2.4.2 線性模型 ... 18 2.4.3 戴維寧等效模型 ... 19 2.4.4 等效電容模型 ... 20 2.4.5 ADVISOR之RC模型 ... 21 第三章 ADVISOR 鋰電池RC model建立 ... 22 3.1 ADVISOR之RC模型建模 ... 22 3.2 Rt、Re、Rc 參數計算 ... 25 3.3 Cb參數計算 ... 27 3.4 Cc參數計算
... 28 第四章 電池性能檢測實驗平台 ... 30 4.1 溫度控制箱製作 ... 30 4.2 人機介面系 統之建立 ... 31 4.2.1 LabVIEW 環境介紹 ... 32 4.2.2 實驗平台監控系統之架構 ... 33 4.2.3 電池 實驗平台監控系統之建立 ... 38 4.3 LabVIEW電池實驗流程程式建立 ... 40 4.3.1 電池電容量測試流程 ...
40 4.3.2 CC-CV充電控制流程 ... 42 4.3.3 HPPC實驗流程 ... 43 第五章 並聯式複合電動車輛實驗平台 ... 45 5.1 複合動力系統各元件介紹 ... 45 5.1.1 內燃機 ... 45 5.1.2 一體式馬達/發電機 ... 47 5.1.3 動力整合分配機構 ... 48 5.1.4 電池組 ... 50 5.1.5 磁粉式煞車組
... 51 5.1.6 建立複合動力系統實驗平台 ... 53 5.2 複合電動車輛能量管理策略流程 ... 54 5.3 充電管 理策略 ... 58 5.4 能量控制策略與充電管理策略系統控制器 ... 61 5.5 電池SOC偵測顯示器發展 ...
62 5.5.1 電池SOC偵測顯示器接收訊號種類 ... 63 5.5.2 軟體執行發展程序 ... 65 5.5.3 電池SOC偵測器估測方 法 ... 65 5.5.4 電池SOC偵測器製作 ... 66 5.5.5 電池SOC顯示器製作 ... 67 第六章 模擬與驗證結 果 ... 69 6.1 鋰電池之可輸出電容量 ... 69 6.1.1 鋰電池電容量檢測 ... 69 6.1.2 1C放電結果 ... 70 6.1.2 C/3放電結果 ... 71 6.1.3 C/5放電結果 ... 72 6.2 CC-CV充電測試
... 73 6.3 HPPC實驗結果 ... 74 6.4 SOC對應Voc資料 ... 79 6.5 電池可輸出最大電 容量 ... 84 6.6 不同放電電流之電容量修正量 ... 85 6.7 鋰電池 RC model之驗證 ... 93 6.8 電池SOC 偵測與顯示器測試 ... 96 第七章 結論與建議 ... 104 7.1 結論 ... 104 7.2 建議事項與 未來研究項目 ... 105 參考文獻 ... 107 附錄 A ... 110
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