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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 王昭男(Chao-Nan Wang) | |
dc.contributor.author | Pang-Hao Huang | en |
dc.contributor.author | 黃邦豪 | zh_TW |
dc.date.accessioned | 2021-06-12T18:03:13Z | - |
dc.date.available | 2011-08-26 | |
dc.date.copyright | 2011-08-26 | |
dc.date.issued | 2011 | |
dc.date.submitted | 2011-08-09 | |
dc.identifier.citation | [1] N. M. Kinkaid, O. M. O’Reilly, P. Papadopoulos, “Review: Automotive disc brake squeal”, Journal of Sound and Vibration, Vol. 267, pp. 105-166, 2003.
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/27385 | - |
dc.description.abstract | 煞車異音問題的發展已經有數十年之久,直到近年來由於人們對生活品質的要求,才漸漸的受到重視。本論文主要探討的目的在於了解煞車系統的特徵參數對於煞車系統運動穩定度的影響,利用煞車系統運動所產生的不穩定振動,來預測煞車異音的生成 。利用有限元素法建立煞車系統的運動方程式,在煞車碟盤與摩擦墊片的接觸面間建立接觸耦合勁度矩陣,來模擬接觸面間的力學行為。用複數特徵值法求解煞車系統的運動方程式,對於求解出的複數特徵值,引進一個不穩定指標,用來判斷此模態產生煞車異音的可能性。接著用有限元素分析軟體對煞車模型進行模態分析,變換不同的壓力、材料參數、元件幾何等特徵參數,來觀察個別的特徵參數對於煞車系統是否容易生成異音,其中以改變摩擦墊片的相關參數的效果較為顯著。最後選擇改善較好的多個特徵參數來作分析,發現對煞車系統的異音問題還是有改善的效果。 | zh_TW |
dc.description.abstract | The issue of brake squeal has been developed for decades. Not until recent years, because of requirements for life quality of people, did it gradually be taken seriously. The purpose of the study is to understand the impact of the characteristic parameters of the brake system on the stability of the brake system motion, which used the unstable vibration generated by the brake system motion to predict the generation of brake squeal. Motion equation of brake system was derived by finite element method, and contact couple stiffness matrix was made between the brake disc and friction pad, in order to simulate the mechanical behavior on contact surfaces. Motion equations of the brake system were solved by complex eigenvalue method. For complex eigenvalue solved, instability index was introduced to determine whether the brake squeal will happen in the mode. Finite element analysis software was used to do modal analysis for the disc brake model. Characteristic parameters such as pressures, material parameters and component geometry were alternated, in order to be observed whether individual characteristic parameters are easy for the brake system to generate squeal. Among the parameters, the effect is more significant for parameters related to friction pads. Finally, multiple characteristic parameters better for improvement were chosen to do analysis. It found that there is still an improve effect on the problem of brake system squeal. | en |
dc.description.provenance | Made available in DSpace on 2021-06-12T18:03:13Z (GMT). No. of bitstreams: 1 ntu-100-R96525054-1.pdf: 2256890 bytes, checksum: ab2e68b4e726eb50bfb41609106ba5f4 (MD5) Previous issue date: 2011 | en |
dc.description.tableofcontents | 口試委員會審定書 I
誌謝 II 中文摘要 III ABSTRACT IV 目錄 V 圖目錄 VIII 表目錄 XI 第一章 緒論 1 1.1 研究動機及目的 1 1.2 研究方法 1 1.3 文獻回顧 2 1.4 論文架構 3 第二章 理論介紹 5 2.1 運動方程式 5 2.2 接觸耦合勁度矩陣 6 2.3 複數特徵值法 12 第三章 煞車系統模型建立 16 3.1 使用元素介紹 16 3.1.1 SOLID45元素 16 3.1.2 MATRIX27元素 16 3.2 使用材料介紹 17 3.3 幾何實體模型建立 18 第四章 結果討論 24 4.1 煞車壓力對碟煞異音問題之影響 25 4.1.1 壓力大小 25 4.1.2 不對稱壓力 26 4.2 元件材料參數對碟煞異音問題之影響 28 4.2.1 碟盤楊氏係數 28 4.2.2 墊片楊氏係數 29 4.2.3 背板楊氏係數 29 4.2.4 卡鉗楊氏係數 30 4.2.5 插梢楊氏係數 31 4.2.6 活塞筒楊氏係數 32 4.2.7 摩擦墊片與煞車碟盤接觸面之摩擦係數 33 4.3 元件幾何對碟煞異音問題之影響 34 4.3.1 背板厚度 35 4.3.2 碟盤上之孔洞大小 36 4.3.3 墊片厚度 38 4.3.4 墊片挖溝槽之影響 38 4.3.5 墊片水平溝槽寬度 40 4.3.6 墊片垂直溝槽寬度 41 4.3.7 墊片在碟盤上位置 42 4.3.8 墊片水平長度 44 4.3.9 墊片垂直長度 45 4.4 綜合討論 47 第五章 結論與未來展望 49 5.1 結論 49 5.2 未來展望 50 參考文獻 51 | |
dc.language.iso | zh-TW | |
dc.title | 特徵參數對機車碟煞異音問題影響之探討 | zh_TW |
dc.title | A characteristic parameters study on disc brake squeal of motorcycle | en |
dc.type | Thesis | |
dc.date.schoolyear | 99-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 謝傳璋(Chuan-Cheung Tse),林輝政(Hui-Cheng Lin) | |
dc.subject.keyword | 煞車異音,特徵參數,有限元素法,複數特徵值法,模態分析, | zh_TW |
dc.subject.keyword | Brake squeal,Characteristic parameters,Finite element method,Complex eigenvalue method,Modal analysis, | en |
dc.relation.page | 53 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2011-08-09 | |
dc.contributor.author-college | 工學院 | zh_TW |
dc.contributor.author-dept | 工程科學及海洋工程學研究所 | zh_TW |
顯示於系所單位: | 工程科學及海洋工程學系 |
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