現今儲能裝置技術中鋰離子電池因具優異特性，如高能量密度、高工作電壓、無記憶效應、低環境污染、低自放電率等，扮演了重要的角色，使其快速成長。近年來鋰離子電池不僅於可攜式消費電子產品之應用，亦應用於航空、電動汽車應用和再生能源之儲能裝置。為防止電池損壞與區別缺陷電池，串聯電池組需掛載可量測電池狀態（電壓、電流與溫度）之監控設備。
　　本文開發一模組化電池管理系統，每一模組最多連接四顆電池，其具有精確測量電池參數，包括一電池組電流、一組溫度與四組電壓數據，以及電池剩餘容量（State of Charge, SOC）估測，進而對電池進行過充電、過放電保護。而電池組內若有四個以上的電池，可利用主、從裝置方式擴充，兩者之間以一個高速CAN2.0B匯流排進行可靠之通訊。並且所開發之電池管理系統亦可透過Zigbee無線通訊與外部使用者電腦進行通訊。本文電池管理系統之核心控制器使用由Microchip公司所推出之dsPIC數位信號控制器。為使電池資訊即時顯示，本文以National Instruments所開發之LabVIEW作為人機介面，來監控並記錄電池狀態資料。本文將對所提出之電池管理系統硬體與軟體設計進行詳細說明，並由實驗結果驗證電池管理系統之正確性。

Lithium-ion (Li-ion) batteries play a significant part in energy storage solutions for modern technologies. Li-ion batteries are growing at a rapid rate because they exhibits many advantages such as high energy density, high working cell voltage, no memory effect, low environmental pollution and low self-discharge rate. The recent trend shows that the Li-ion batteries are not only widely used in portable consumer electronics, but can also be employed in aerospace, electric vehicle applications and power backup for renewable energy sources. Series connected battery packs require monitoring equipment that is capable of measuring the parameters (voltage, current and temperature) of individual cells in order to prevent damage and identify defective cells.
In this thesis, a modulized battery management system (BMS) for up to four cells is proposed.The presented BMS provides the following features:accurate measurement of battery pack parameter including one pack current, four cell voltages and four cell temperatures and information of battery remaining capacity (state of charge, SOC),and battery overcharge/over discharge protection.For battery pack containing more than four cells, a master/slave configuration of the proposed BMS can be utilized. A high-speed CAN 2.0B data bus is used to provide reliable communications between the master and slave units. The presented BMS can also communicate with an external host using Zigbee wireless communication protocols. In this thesis, the central controller utilized in the BMS is dsPIC digital signal controller (DSC) from Microchip Corp. In order to provide the real-time display and data logging of the battery parameters, a user-friendly graphical user interface (GUI) is also developed using LabVIEW from the National Instrument Corp. Detailed description of the hardware and software of the proposed BMS will be provided, and experimental results will also be provided to verify the correctness of the proposed BMS.

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