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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 吳文方 | |
dc.contributor.author | Wen-Yao Yang | en |
dc.contributor.author | 楊文堯 | zh_TW |
dc.date.accessioned | 2021-06-08T02:58:08Z | - |
dc.date.copyright | 2017-08-01 | |
dc.date.issued | 2017 | |
dc.date.submitted | 2017-07-28 | |
dc.identifier.citation | [1] 陳義仁,手自排變速箱(AMT)發展趨勢,機械工業雜誌,第248期,第111-121頁,2003。
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/20675 | - |
dc.description.abstract | 自動離合手排變速箱(Auto-Clutch Manual Transmission, ACMT)具有不需踩離合器、操作較手排變速箱簡單、成本與耗油量較自動變速箱低等多項優點,值得我國開發。為協助國內廠商自主開發一套ACMT系統,本研究針對ACMT之機構與結構進行研究。研究方法首先藉由馬達模擬引擎運轉,配合某特定型號的汽車變速箱建立ACMT測試平台。接著,參考既有資料,設計並加工製造出一能搭載在前述測試平台之雛形自動離合器機構;此其間,也以有限元素法進行結構分析,評估機構之剛性與結構材料之強度。本研究最後以最佳化方法,針對雛形機構之結構剛性進行優化,並探討其結果。本研究亦針對ACMT機構進行設計階段之失效模式與影響性分析,找出關鍵失效模式。研究結果發現,針對目前所設計製造的雛形ACMT系統(包括其機構與結構),雖結構優化前,材料並不會降伏,但機構變位可能影響運作之準確度。經優化後,基頻提升24%,機構較不易受低頻共振影響;而變位問題也獲得改善。在失效模式與影響性分析方面,本研究發現ACMT機構最關鍵失效模式為伺服馬達的軸承損壞,爾後宜多加注意並防範,避免該項失效發生。 | zh_TW |
dc.description.abstract | Auto-Clutch Manual Transmission (ACMT) has many advantages. Its operation is easier than that of manual transmission, and it does not have to install a clutch. Both its production cost and fuel consumption are lower when comparing with automatic transmission. In view of these advantages and to assist a domestic manufacturer developing a new ACMT system, a prototype of ACMT was made and a test platform was constructed. The platform consists of a motor and an automobile gearbox to simulate the engine operation and test the prototype of ACMT. The configuration and structure of the ACMT were studied in particular and their results are reported in this thesis. Aside from the design and construction of the test platform and the prototype, finite element analysis was carried out to examine the mechanics behavior of the prototype. While the strength and rigidity of the prototype were found to be appropriate, optimization analysis was performed furthermore for design improvements of the prototype. Failure mode and effect analysis (FMEA) was also carried out. It was found through these analyses that the prototype of the ACMT can be improved in both its strength and rigidity. As for the failure mode and effect analysis, it was found that the most critical failure mode of the ACMT is bearing-failure of the servo motor. Therefore, attention should be paid to it to prevent the occurrence of that kind of failure. | en |
dc.description.provenance | Made available in DSpace on 2021-06-08T02:58:08Z (GMT). No. of bitstreams: 1 ntu-106-R04522531-1.pdf: 4920130 bytes, checksum: a1e53c9a2c42690c71a5426acbb915d2 (MD5) Previous issue date: 2017 | en |
dc.description.tableofcontents | 誌謝 I
摘要 II ABSTRACT III 目錄 IV 圖目錄 VII 表目錄 X 第一章 緒論 1 1.1 研究背景與動機 1 1.2 文獻回顧 2 1.2.1 變速箱發展及現況 2 1.2.2 有限元素法 4 1.2.3 結構最佳化 5 1.2.4 可靠度研究 6 1.3 研究目的與方法 7 1.4 本文架構 8 第二章 實驗平台簡介與應用理論概述 11 2.1 ACMT系統架構及實驗平台介紹 11 2.1.1 ACMT系統架構 11 2.1.2 實驗平台介紹 11 2.2 有限元素法 13 2.3 模態分析 16 2.4 最佳化設計理論簡述 18 2.5 可靠度基本原理 20 2.5.1 可靠度定義 20 2.5.2 系統可靠度 23 2.6 失效模式與影響性分析 24 第三章 ACMT機構設計與有限元素分析 35 3.1 使用軟體介紹 35 3.1.1 繪圖軟體 35 3.1.2 有限元素分析軟體 35 3.2 ACMT機構設計方法與機構繪製 37 3.2.1 ACMT機構設計方法 37 3.2.2 機構繪製 38 3.2.3 ACMT機構雛形 39 3.3 結構分析 39 3.3.1 模擬假設 40 3.3.2 模型建立與材料性質 41 3.3.3 拘束條件 41 3.3.4 接觸條件 42 3.3.5 負載條件 42 3.3.6 網格劃分 43 3.3.7 模擬結果與討論 43 3.4 模態分析 44 3.4.1 模擬假設 45 3.4.2 拘束條件 45 3.4.3 接觸條件 46 3.4.4 網格劃分 46 3.4.5 模擬結果與討論 46 第四章 ACMT機構最佳化設計 68 4.1 最佳化軟體介紹 68 4.1.1 Optistruct軟體介紹 68 4.1.2 Optistruct迭代原理 68 4.1.3 Optistruct之最佳化設計流程 69 4.1.4 形貌最佳化介紹 69 4.2 形貌最佳化之模擬設定 70 4.2.1 模態分析之模擬設定 70 4.2.2 結構最佳化之模擬設定與結果 72 4.3 有限元素分析最佳化結果與討論 72 4.3.1 結構分析 73 4.3.2 模態分析 73 第五章 ACMT機構可靠度研究 84 5.1 ACMT機構可靠度模式建立 84 5.2 ACMT機構各元件失效模式分析 85 5.2.1 伺服馬達之失效模式 85 5.2.2 行星齒輪減速機之失效模式 86 5.2.3 連接機構之失效模式 87 5.3 失效影響性與發生度評估 88 5.4 風險矩陣建立與失效關鍵性分析 88 第六章 研究結果與結論 99 參考文獻 100 | |
dc.language.iso | zh-TW | |
dc.title | 汽車自動離合手排變速箱之力學分析與結構最佳化研究 | zh_TW |
dc.title | Mechanics Analysis and Structural Optimization of an Auto-Clutch Manual-Transmission System used in Vehicles | en |
dc.type | Thesis | |
dc.date.schoolyear | 105-2 | |
dc.description.degree | 碩士 | |
dc.contributor.coadvisor | 楊士進 | |
dc.contributor.oralexamcommittee | 詹魁元,陳國卿 | |
dc.subject.keyword | 自動離合手排變速箱,有限元素分析,結構分析,結構最佳化,失效模式與影響性分析, | zh_TW |
dc.subject.keyword | Auto-Clutch Manual Transmission (ACMT),Finite Element Analysis,Structural Analysis,Structural Optimization,Failure Mode and Effect Analysis (FMEA), | en |
dc.relation.page | 106 | |
dc.identifier.doi | 10.6342/NTU201702220 | |
dc.rights.note | 未授權 | |
dc.date.accepted | 2017-07-31 | |
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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