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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
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dc.contributor.advisor | 吳文方(Wen-Fang Wu) | |
dc.contributor.author | Chen-Hung Li | en |
dc.contributor.author | 李承鴻 | zh_TW |
dc.date.accessioned | 2021-06-17T03:20:39Z | - |
dc.date.available | 2028-06-25 | |
dc.date.copyright | 2018-06-29 | |
dc.date.issued | 2018 | |
dc.date.submitted | 2018-06-25 | |
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/69600 | - |
dc.description.abstract | 任何牽涉到交、直流電轉換以及電源供應之電子設備皆與濾波電路相關,現今的濾波電路通常是由數個鋁電解電容器所組成的濾波電容板。本研究針對此種濾波電容板提出一套壽命分佈與可靠度分析流程,並藉該流程,針對一濾波電路既有配置提出設計改良。本研究首先以有限元素分析方法,獲得一濾波電容板上鋁電解電容器之核心溫度,據以評估電容器之元件壽命;而後,考慮鋁電解電容器壽命評估模型之參數不確定性,以蒙地卡羅模擬同一操作環境下之元件壽命分布。本研究後半段以元件壽命分佈以及k-out-of-n redundancy之可靠度模型,分析、評估濾波電容板之壽命分佈與可靠度。最後以可靠度為依據,比較不同設計濾波電路板之優劣。本研究結果顯示,所提出的分析評估流程能簡單且有效評比各種濾波電路配置。特別的,本研究發現濾波電容板的平均失效時間較電容器元件短,但前者壽命分佈較後者壽命分佈集中。本研究結果可以提供與濾波電路相關廠商參考。 | zh_TW |
dc.description.provenance | Made available in DSpace on 2021-06-17T03:20:39Z (GMT). No. of bitstreams: 1 ntu-107-R05522518-1.pdf: 5551658 bytes, checksum: 63a25bd895c05306a14441b7f5ecb19e (MD5) Previous issue date: 2018 | en |
dc.description.tableofcontents | 誌謝 I
摘要 II ABSTRACT III 目錄 IV 圖目錄 VII 表目錄 XII 第一章 緒論 1 1-1 研究動機與目的 1 1-2 文獻回顧 2 1-3 研究方法與流程 4 1-4 本文架構 6 第二章 基本觀念應用概述 7 2-1 電容器簡介 7 2-1-1 基本電容器 7 2-1-2 電容器分類 8 2-2 鋁質液態電解電容 9 2-2-1 基本構造 9 2-2-2 等效電路 10 2-2-3 產熱 11 2-3 濾波電容板簡介 13 2-4 傳導原理簡介 13 2-4-1 熱傳導原理 14 2-4-2 熱對流原理 15 2-4-3 熱輻射原理 17 2-5 可靠度與機率函數觀念 19 2-5-1 可靠度定義 19 2-5-2 失效率曲線 21 2-5-3 連續機率分佈模型 23 2-5-4 系統可靠度模型 33 2-6 機率圖紙法與適配度檢定 37 2-6-1 機率圖紙法 37 2-6-2 適配度檢定 39 2-7 蒙地卡羅法 39 第三章 濾波電容板之有限元素建模與壽命評估模型 40 3-1 有限元素法分析 40 3-1-1 有限元素法概述 40 3-1-2 有限元素分析軟體介紹 40 3-2 濾波電容板有限元素模型 42 3-2-1 濾波電容板之電路配置 42 3-2-2 鋁電解電容器元件簡介 44 3-2-3 結構幾何尺寸 45 3-2-4 材料參數 48 3-2-5 網格建立 50 3-2-6 交互作用定義 51 3-2-7 模型假設、負載與邊界條件 52 3-2-8 鋁電解電容器核心溫度 53 3-3 核心溫度與壽命評估模型 55 3-3-1 數學模型 55 3-3-2 鋁電解電容器使用壽命 58 第四章 濾波電容板可靠度分析與設計改良 59 4-1 考量壽命評估模型之參數不確定性 59 4-2 鋁電解電容器元件使用壽命分佈與可靠度 60 4-2-1 鋁電解電容器使用壽命 60 4-2-2 鋁電解電容器壽命分佈與可靠度分析結果 64 4-3 濾波電容板之可靠度分析與設計改良 70 4-3-1 濾波電容板之可靠度分析 70 4-3-2 濾波電容板之設計改良 72 4-4 結果討論 79 4-4-1 鋁電解電容器之壽命分佈與可靠度分析討論 79 4-4-2 濾波電容板之可靠度分析討論 80 第五章 結論 82 參考文獻 83 附錄A 元件尺寸表與系統模型 87 附錄B 電容器壽命表與可靠度圖 90 | |
dc.language.iso | zh-TW | |
dc.title | 濾波電容板之可靠度分析與設計改良 | zh_TW |
dc.title | Reliability Analysis and Design Improvement of Filter Capacitor Boards | en |
dc.type | Thesis | |
dc.date.schoolyear | 106-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 詹魁元(Kuei-Yuan Chan),邱文祥(Wen-Shyang Chiu) | |
dc.subject.keyword | 濾波電容板,鋁電解電容器,不確定性,壽命分佈,k-out-of-n redundancy系統,可靠度, | zh_TW |
dc.subject.keyword | filter capacitor board,aluminum electrolytic capacitor,uncertainty,lifetime distribution,k-out-of-n redundancy,reliability, | en |
dc.relation.page | 104 | |
dc.identifier.doi | 10.6342/NTU201801081 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2018-06-25 | |
dc.contributor.author-college | 工學院 | zh_TW |
dc.contributor.author-dept | 機械工程學研究所 | zh_TW |
顯示於系所單位: | 機械工程學系 |
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