行星齒輪機構廣泛地應用於各式汽車自動變速器中，然而相關的設計理論仍不完善，尤其是檔位順序的排列方法一直沒有獲得有效的解決。故本研究之主要目的在於提出行星齒輪機構的檔位列表與轉速比列表，以此為基礎發展行星齒輪自動變速器的系統化設計理論。本研究首先介紹行星齒輪自動變速器的作動原理，並訂定設計目標；其次發展一套能夠建立轉速比列表與檔位列表的方析方法；接著以檔位列表為基礎建立一套系統化的檔位合成方法，同時發展離合器與制動器配置理論；最後利用轉速比與齒數之關係，於設定各檔之轉速比後進行齒數設計。過程中應用所提方法，依序對七桿二自由度Ravigneaux機構、八桿二自由度Ravigneaux機構以及九桿二自由度階級Ravigneaux機構進行設計。本研究分別獲得四速、六速與八速Ravigneaux式自動變速器的設計結果，顯示所提系統化設計理論的可行性，此設計方法亦可用於其他二自由度行星齒輪自動變速器之設計。

Planetary gear mechanisms are widely used in automobile automatic transmissions. However, the relevant design theories are not well development, especially the synthesis of the clutching sequence. Thus, the purpose of this study is to develop a systematical methodology for the design of automobile automatic transmissions. First, the specifications are established according to the characteristics of the automatic transmissions. Second, a procedure is created to list the speed ratio table and the clutching table for the planetary gear mechanisms. Third, based on the clutching table, a systematical method is developed to synthesize the clutching sequences. Then, the clutches and brakes are arranged into the planetary gear mechanisms to form the schematic of an automatic transmission. Finally, according to the relations between speed ratios and the numbers of teeth of gears, the gear-teeth synthesis is carried out when several certain speed ratios are assigned. A seven-link 2-DOF Ravigneaux gear mechanism, a eight-link 2-DOF Ravigneaux gear mechanism and a nine-link 2-DOF stepped Ravigneaux gear mechanism are as the design examples. And a four-speed, a six-speed and an eight-speed automatic transmissions are synthesized, respectively. The result of this study shows that the proposed methodology can be applied to design any 2-DOF planetary automatic transmissions.

摘要.................................................................................I
英文摘要........................................................................II
目錄...............................................................................III
圖目錄...........................................................................V
表目錄.........................................................................VII

第一章 前言..................................................................1
1.1 文獻回顧................................................................1
1.2 研究目的................................................................3
1.3 全文架構................................................................3

第二章 基本概念..........................................................5
2.1 Ravigneaux式自動變速器...................................5
2.2 行星齒輪機構......................................................10
2.3 檔位作動理論......................................................14
2.4 分析理論與設計理論..........................................18

第三章 Ravigneaux式自動變速器之分析...............29
3.1 分析程序..............................................................29
3.2 轉速分析..............................................................31
3.3 轉速排序與構件編號..........................................34
3.4 轉速比計算與計算元素......................................35
3.5 轉速比列表與檔位列表......................................37
3.6 結論......................................................................39

第四章 七桿Ravigneaux式變速器之設計...............41
4.1 設計程序..............................................................41
4.2 轉速比列表與檔位列表......................................42
4.3 選取輸出桿..........................................................48
4.4 檔位合成..............................................................48
4.5 控制元件配置......................................................50
4.6 齒數設計..............................................................55
4.7 結論......................................................................59

第五章 八桿Ravigneaux式變速器之設計...............61
5.1 轉速比列表與檔位列表......................................61
5.2 輸出桿之選取......................................................67
5.3 檔位合成..............................................................68
5.4 控制元件配置......................................................73
5.5 齒數設計..............................................................75
5.6 結論......................................................................78

第六章 九桿Ravigneaux式變速器之設計...............79
6.1 轉速比列表與檔位列表......................................82
6.2 檔位合成..............................................................84
6.3 控制元件配置......................................................85
6.4 齒數設計..............................................................85
6.5 結論......................................................................89

第七章 結論與建議.....................................................91

參考文獻......................................................................93

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