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姓名 陳正茂(Cheng-Mao Chen) 查詢紙本館藏 畢業系所 機械工程學系 論文名稱 逆向工程在汽車外鈑件曲面建構探討
(The Application of Reverse engineering in Appearence Surface of Automobile)相關論文 檔案 [Endnote RIS 格式]
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摘要(中) 逆向工程應用在產品設計上，主要著重於曲面組的建構。原因
為高品質曲面有以下優點:資料結構精簡、產品表面順滑，運算快
速，曲面應用上具有較大的彈性;進而以該曲面為基礎，可快速生成
實體模型，應用於工程圖、模具圖、工程分析、甚至動畫廣告用途。
點資料處理是最底層的應用技術。處理後且優良的點資料具備
有點數精簡而不失真的特性。有優良的點資料為基礎，即能建構高
品質曲面。以此點資料為參考基礎，已發展出兩種不同的曲面建構
方法，即曲面之線架構法與曲面之面架構法，以求曲面最佳化處理。
文中引用汽車外鈑件建構實例從逆向工程技術觀點出發，探討
並整合不同經驗與技術以建構曲面模型;所有產品上必定有較多的
自由曲面以組成外觀表面，以及許多幾何特徵與標準元件建構而
成。這篇研究主要探討外觀表面曲面的建構手法與觀念，期找出建
構的共通性;並歸納出一些分類與準則。從各部件建構過程歸納出相
似方法與流程。摘要(英) The main purpose of Reverse engineering is to create high quality
surface.The advantages of such high quality surface are their simplified
data structure which make software application easily modify and
frequently used in automobile design to make products much attractive.
In addition, they could be transferred into solid model applications
without any losing such as untrimed or distortion surface .As a result, the
usage of high quality surfaces induce many revolutions in some industry
such as automobile, 3D comic movie, analysis engineering and so on.
Point data management is the base technique for creation of high
quality surface. These well-treated point data is used for two method of
surface creation, curve-base method and surface-base method.
The main subject of this study start at the process of create
appearance surface of a car. The main challenge in such application is
how to make good surface through Reverse engineering. By comparing
to different case and software, some rules of efficiently creating good
surface and manners of productively using command are listed for
reference.關鍵字(中) ★ 逆向工程
★ 線架構
★ 面架構
★ 實體模型關鍵字(英) ★ surface method
★ solid model
★ reverse engineering
★ curve base method論文目次 摘要.....................................................I
ABSTRACT..............................................II
致謝....................................................III
目錄....................................................IV
圖目錄.................................................VII
表目錄...................................................X
第一章 緒論..............................................1
1.1 前言...............................................1
1.2 文獻回顧...........................................1
1.3 汽車車體鈑件開發流程...............................3
1.4 研究目的與方法.....................................6
1.4.1 研究目的......................................6
1.4.2 研究方法......................................7
1.5 論文架構...........................................8
第二章 逆向工程的常用指令................................9
2.1 前言...............................................9
2.2 點處理.............................................9
2.2.1 特徵分離......................................9
2.2.2 資料切層 ....................................11
2.3 曲線的建構方式....................................16
2.3.1 直線嵌合.....................................16
2.3.2 圓弧嵌合.....................................16
2.3.3 3D曲線嵌合...................................17
2.3.4 偏置曲線.....................................21
2.3.5 投影曲線.....................................21
2.4 曲面的建構方式....................................22
2.4.1 點群單一自由曲面嵌合.........................22
2.4.2 點群拘束封閉邊界曲面嵌合.....................24
2.4.3 曲線曲面間連續性調整.........................25
2.4.4 邊界混合曲面.................................27
2.4.5 掃描曲面.....................................28
2.4.6 剪裁曲面.....................................31
2.5 檢測..............................................33
第三章 逆向工程的曲面建構手法與檢測.....................35
3.1 前言..............................................35
3.2 線架構曲面常用建構方法與檢測......................35
3.2.1 四邊線單一自由曲面貼合.......................35
3.2.2 四邊線日字形自由曲面貼合.....................38
3.2.3 四邊線T字形自由曲面貼合......................40
3.2.4 四邊線田字形自由曲面貼合.....................42
3.2.5 邊界混合多條控制曲線組合曲面.................44
3.2.6 線架構曲面建構方法比較與結論.................46
第四章 汽車外鈑件的建構流程實例與考量...................47
4.1 前言..............................................47
4.2 模面曲面處理......................................47
4.3 模面壓槽曲面處理..................................54
4.4 外觀造型曲面處理..................................59
第五章 結論與未來研究...................................69
5.1 結論..............................................69
5.2 未來研究..........................................71
參考文獻................................................73參考文獻 1. Parametric Technology Corporation, “Pro/Engineer Fundamentals of
Design Training Guide”, Ver. 2000i, 2000.
2. 國立中央大學機械系，“RevCAD Reference Manual”, Ver. 1.04,
2001.
3. 智泰科技，許智欽，“逆向工程技術與應用”，高立圖書，1999.
4. Parametric Technology Corporation, “ICEM Surf Patch and Surface
Creation Reference Manual”, Ver. 4.3.0, 2003.
5. 蔡耀震，“逆向工程之曲面縫合研究”，國立中央大學機械工程研
所碩士論文，2002.
6. 翁文德，“逆向工程之曲面模型重建技術發展”，國立中央大學機
械工程研究所博士論文，1999.
7. Les, A.P., and Wayne T., “Computing Offsets of NURBS Curves and
Surfaces”, Computer-Aided Design, Vol. 31, No. 2, pp. 147-156,1999.
8. Malgorzata A.K., “Qualitative and Quantitative Comparisons of
B-spline Offset Surface Approximation Methods”, Computer-Aided
Design, Vol. 34, No. 1, pp. 19-26, 2002.
9. 邱至意，“3D曲面模型網格化之研究”，國立中央大學機械工程所
碩士論文，2002.
10. Nathan L., Adi L., and Peter S., “Trimming for Subdivision
Surfaces”, Computer-Aided Design, Vol. 18, No. 5, pp. 463-481,
2001.
11. Drgun A., and Jianer C., “Guaranteeing the 2-Manifold Property for
Meshes with Doubly Linked Face List”, Journal of Shape Modeling,
Vol. 5, No. 2, pp. 159-177, 1999.
12. Hugues H., “Surface Reconstruction from Unorganized Points”,
Ph.D. Dissertation, University of Washington, 1994.指導教授 賴景義(Jiing-Yih Lai) 審核日期 2005-7-8 推文 plurk
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