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研究生:王彥智
研究生(外文):Yen-Chi Wang
論文名稱:一種變化鏈機構之尺寸合成方法研究
論文名稱(外文):Study on the Dimensional Synthesis of a Variable-Chain Mechanism
指導教授:陳正光陳正光引用關係
口試委員:劉昭華徐正會
口試日期:2012-07-10
學位類別:碩士
校院名稱:國立臺北科技大學
系所名稱:機電整合研究所
學門:工程學門
學類:機械工程學類
論文種類:學術論文
論文出版年:2012
畢業學年度:100
語文別:中文
論文頁數:73
中文關鍵詞:變化鏈尺寸合成傾向性夾緊機構
外文關鍵詞:Variable ChainDimensional SynthesisPropensityClamp Mechanism
相關次數:
  • 被引用被引用:1
  • 點閱點閱:101
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  • 下載下載:0
  • 收藏至我的研究室書目清單書目收藏:0
本文提出一種變化鏈機構之系統化尺寸合成方法,它能讓設計者不需要使用以往的試誤法來找出變化鏈桿件的尺寸,只需要先設計出桿件的大概位置與固定接頭的位置即可,之後再利用本文提出的設計流程,即可計算求出所有桿件的尺寸,因此能夠減少許多設計時所花費的時間。
本研究應用運動平台的輸入對輸出的傾向性理論,探討兩個自由度夾緊機構的尺寸合成方法。首先以五連桿組證明傾向性理論的適用性,之後再以自動化生產線所使用的夾緊機構為例,應用傾向性理論求出此夾緊機構的桿件尺寸。依此結果,提出此種變化鏈機構之系統化尺寸合成方法的步驟流程,並使用不同初始位置而合成出不同尺寸的夾緊機構,再利用SolidWorks軟體建立其對應的3D模型,進行動態模擬,最後設定以機械利益篩選出較佳的尺寸設計。因此,本研究所提出之此種變化鏈機構的系統化尺寸合成方法,已初步證實其可行性與正確性。


This study presents a systematic method of dimensional synthesis for a variable-chain mechanism. It can let mechanism designer quickly synthesize the required links’ dimensions without using the time-cost traditional try-and-error method. This method only requires the designer roughly set the initial positions of related links and the positions of fixed joints, and then could obtain all the dimensions of links by following the steps. It can, therefore, save a significant time of design.
This study applies the input-output propensity theory for kinematic platform to develop the method of dimensional synthesis for a 2-DOF clamp mechanism used in automatic assembly production line. Firstly, the applicability of input-output propensity theory is confirmed by applying to a 2-DOF five-bar linkage. Then, a clamp mechanism in automatic production line is taken as another example to apply the propensity theory to analytically synthesize the required dimensions of links. According the way of yielding the results, a systematic method of dimensional synthesis for this variable-chain mechanism is presented. Different initial positions of the input link are taken, and yields different corresponding synthesized dimensions of links. Then the corresponding 3D models to the results are set up via Solidworks software and the dynamic simulations of those models are also performed in Solidworks. A better design is selected among those potential synthesized results by setting the criteria of mechanical advantage. Through the mentioned tests, the preliminary feasibility and validity has been confirmed for this systematic method of dimensional synthesis of a special variable-chain mechanism.


摘 要 i
ABSTRACT ii
致謝 iv
目錄 v
表目錄 vii
圖目錄 viii
第一章 緒論 1
1.1 研究背景與動機 1
1.2 研究目的與步驟 3
1.3 論文架構 5
第二章 可變拓樸機構之文獻探討 7
2.1 可變拓樸機構構造特性與表示法 7
2.2 可變拓樸機構構造合成 8
2.3 變自由度機構的研究 8
2.4 其他相關研究 9
2.5傾向性指數分析理論 9
2.5.1 機械手臂靜力學的輸入與輸出傾向指數分析 9
2.5.1 局部性輸入與輸出傾向性指數分析 10
2.6文獻探討總結 10
第三章 輸入傾向性分析 10
3.1 平面五連桿組 12
3.2平面五連桿組之輸入傾向性分析 13
第四章 尺寸設計方法 20
4.1 Jacobian矩陣建立 20
4.2 傾向性分析 38
4.3 傾向性分析之驗證 39
4.4 夾緊機構尺寸合成分法之流程 43
第五章 設計方法之使用 47
5.1初始機構的設計 47
5.2畫出初始機構的運動簡圖 48
5.3推導輸出桿P點的Jacobian 49
5.4 推導其中一個輸入之傾向性趨近於零的方程式 50
5.5設定初始值 51
5.6求解相關桿件尺寸之比例 52
5.7決定其它桿件的長度 53
5.8較佳解的篩選 55
5.8.1 各組機構之模型建立 56
5.8.2 各組機構之模擬結果 60
5.8.3 各組機構之機械利益分析 64
第六章 結果與建議 67
6.1研究成果 67
6.2建議與未來展望 68
參考文獻 70
附錄 73


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