行星齒輪式自動變速器為配置於引擎與驅動輪之間的一種傳動裝置，其中Lepelletier組合式行星齒輪變速機構是一種由一組二自由度行星齒輪機構以一基本行星齒輪機構單元提供二個輸入所組成的變速機構，可提供更多數目的轉速比。由於八速及以上的自動變速器的相關設計理論仍未完善，各車廠研發部一直無法得到理想的八速自動變速器，因此本文之目的在於發展一套系統化的設計方法，做為Lepelletier組合式行星齒輪自動變速器設計之依據。首先，探討Lepelletier組合式行星齒輪自動變速器的特性與需求，歸納出所對應的設計規格；其次，以行星齒輪機構單元的槓桿比例圖為基礎發展組合式行星齒輪變速器的各檔位轉速比分析理論；接著，以轉速比分析理論為基礎，發展組合式自動變速器的設計理論，可自給定的轉速比值有系統地合成出可行之組合式自動變速器的完整圖集。本文以一組二排式行星齒輪機構搭配一組行星齒輪機構單元的Lepelletier組合式行星齒輪自動變速器之最簡單構造，系統地合成出具專利價值的創新型六速與八速組合式自動變速器。本文所提出之設計方法亦可提供十速組合式自動變速器的設計與開發之用。

An epicyclic-type automatic transmission is a device which is connected from the engine to the driven wheels. A Lepelletier automatic transmission consists of a two-DOF epicyclic gear mechanism and a fundamental geared entity, which can provide more speed ratios. For the development of automatic transmission with eight or more speed ratios, an efficient design methodology is urgently needed and still not available. Therefore, the purpose of this article is to develop a systematic method for the design of Lepelletier automatic transmission. First, the features and requirements of the Lepelletier automatic transmissions are investigated and the corresponding design requirements are induced. Next, the theory of the analysis of speed ratios for Lepelletier automatic transmission is derived based on the concept of lever analogy. Then, the design theory of Lepelletier automatic transmission is developed based on the analysis theory. Finally, the complete atlas of six-speed and eight-speed Lepelletier automatic transmissions can be systematically synthesized from the data of three given speed ratios. In this article, the innovative and patentable six-speed and eight-speed Lepelletier automatic transmissions with the simplest structure have been. This proposed design method can also be applied to the development and design of ten-speed Lepelletier automatic transmissions.

中文摘要 I
英文摘要 II
目錄 III
圖目錄 VII
表目錄 XIII
第一章　前言 1
1-1　文獻回顧 1
1-2　研究動機與目的 5
1-3　論文架構 6
第二章　基本概念 7
2-1　行星齒輪式汽車自動變速器 7
2-2　組合式自動變速器 9
2-3　比例圖解法之基本原理 11
2-4　組合式自動變速器之轉速分析 13
2-4-1　檔位轉速比分析 13
2-4-2　比例圖解法之轉速比分析 16
2-5　組合式自動變速器之特性與基本需求 23
第三章　設計程序 25
3-1　設計程序 25
3-2　給定轉速比 25
3-3　建立所有可能之槓桿比例圖 27
3-4　可行之基本齒輪機構單元 28
3-5　列舉所有可行之行星齒輪機構的組合 31
3-6　決定增減速機構之類型與基本齒數比 31
3-7　配置離合器與制動器 32
3-8　決定齒數 35
3-9　繪製自動變速器之機構簡圖與實體圖 36
第四章　六速組合式自動變速器之設計 37
4-1　轉速比值 37
4-2　可能之槓桿比例圖 37
4-3　基本行星齒輪機構單元 49
4-4　列舉可行之行星齒輪機構之組合 51
4-5　決定增減速機構類型與基本齒數比 52
4-6　配置離合器與制動器 52
4-7　決定各齒輪之齒數 54
4-8　繪製機構簡圖與實體圖 55
4-9　六速組合式自動變速器之圖集 57
4-10　結語 60
第五章　八速組合式自動變速器之設計 73
5-1　轉速比值 73
5-2　可能之槓桿比例數圖 73
5-3　基本行星齒輪機構單元 78
5-4　列舉可行之行星齒輪機構之組合 80
5-5　決定增減速機構類型與基本齒數比 81
5-6　配置離合器與制動器 82
5-7　決定齒數 85
5-8　繪製機構簡圖與實體圖 86
5-9　八速組合式自動變速器之圖集 89
5-10　結語 90
第六章　結論與建議 95
參考文獻 96

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