車輛行星齒輪式變速機構為配置於引擎與驅動輪之間的一種傳動裝置，主要提供車輛在增減速時，利用離合器與制動器作動可提供數種轉速比，使引擎維持在一定的工作範圍。已量產的車輛行星齒輪式變速機構多以Ravigneaux式、並排式及組合式變速機構為主，組合式行星齒輪變速機構為在變速機構的輸入端置入一組增減速機構單元，產生多種輸入轉速以增加變速檔位的一種傳動裝置，由於相關的設計理論並不完善，故本文目的在於針對組合式車輛行星齒輪式變速機構提出一系統化的設計方法。本文首先介紹組合式自動變速器的基本組成與作動原理，並說明比例法的基本原理，訂定組合式行星齒輪式車輛變速機構之設計原則；其次，以比例法為基礎進行檔位設計，並進行離合器配置及決定齒數，訂定完整的組合式自動變速器之設計流程。最後應用組合式自動變速器的設計流程，進行六速及八速組合式自動變速器之設計。本研究的具體成果共得到十九型組合式六速自動變速器。

An epicyclic gear mechanism for automobile transmissions is a device which is connected from engine to driving wheels, and the main purpose is to maintain the revolution speed of engine to be in a desired working range while accelerating or decelerating the automobile. The epicyclic gear mechanisms for automobile transmissions in production are mostly Ravigneaux-type, Parallel-connected type and Lepelletier epicyclic mechanisms, and the Lepelletier epicyclic gear mechanisms is a device which is connected with a simple epicyclic gear mechanism besides the input end to increase the total number of speed ratios of an automatic transmission. For the incompletion in the relative design methodology, a systematic methodology of designing Lepelletier epicyclic gear mechanisms for automobile transmission is described. At first, fundamental and gear-shifting operations of the Lepelletier-type automatic transmissions is introduced, and the basic principles of lever analogy is explained, the gear ratio’s analysis for Lepelletier epicyclic gear mechanisms is illustrated to establish the design requirements. Secondly, gearing-sequence is devised base on the lever analogy diagrams, and a systematical procedure to arrange desired clutches and brakes into epicyclic gear mechanisms is provided, then the number of the teeth of all gears can be calculated. At last, the six-speed and eight-speed Lepelletier automatic transmissions are designed base on the above design procedure. The results of this work obtain 19 types of automatic transmission which could reach six-speed.

中文摘要............................................................I
英文摘要........................................................... II
目錄.............................................................. III
圖目錄.............................................................V
表目錄..........................................................IX
第一章 前言 ...................................................... 1
1-1 文獻回顧 ................................................... 1
1-2 研究目的與動機 ...........................................4
1-3 論文架構.............................................. 5
第二章 基本概念 ................................................. 7
2-1 汽車自動變速器 ................................. 7
2-2　行星齒輪式自動變速器 ..................................... 10
2-3 組合式自動變速器之分析 ................................... 13
2-4 比例法基本原理....................................... 23
2-5 組合式自動變速器之設計原則............................ 32
2-6 結語....................................................35
第三章 設計程序 ................................................. 37
3-1 設計程序 ............................................. 37
3-2　選定組合式變速機構主體 ................................... 39
3-3　檔位設計 ................................................. 40
3-4 求解基本齒數比..................................... 47
3-5 離合器配置................................................ 50
3-6 決定齒數.................................................. 52
3-7 結語...................................................... 56
第四章 六速組合式自動變速器 ................................... 57
4-1 選定行星齒輪機構 ................................... 57
4-2 檔位設計 ................................................. 59
4-3 求解基本齒數比............................................ 71
4-4　離合器配置.............................................. 81
4-5 決定齒數.................................................. 86
4-6 與專利比對............................................... 107
4-7 結語..................................................... 111
第五章 結論與建議 ........................................... 113
參考文獻 ........................................................ 115

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