臺灣博碩士論文加值系統

汽車自動變速器是一個引擎與驅動輪之間動力傳輸的裝置，主要功能是使汽車在行駛過程，引擎轉速能維持在理想的轉速範圍內。目前以槓桿比例法為基礎的多速並排式自動變速器的系統化設計流程已發展相當成熟，而且容易使用與了解。可惜的是，透過此設計流程得到的結果裡面，包含一些無法組裝為自動變速器。在另一方面，設計八速以上並排式自動變速器的過程較為複雜，因為構造的數量相當龐大，若以人工方式篩選，過程曠日廢時且容易產生很多誤差。本文目的在於改善多速並排式自動變速器的設計程序，並將圖集以資料庫形式建立於輔助設計軟體當中。首先說明並排式行星齒輪汽車自動變速器的基本組成與作動原理，並提出自動變速器的比例圖解分析方法；其次提出改善並排式自動變速器之具體化設計流程的方法，以改善後的設計方法，進行十速並排式自動變速器的設計，由眾多的組合篩選出27顆可行之自動變速器。最後，將設計過程建立一套電腦輔助程式，將六速、八速與十速並排式自動變速器的完整圖集以資料庫型式儲存並提供使用者比對。本文所提之設計方法具有效性與完整性，對於並排式自動變速器可以有更深入的了解。

An automatic transmission for automobiles is a device which used to transfer the power between an engine and wheels . Its primary function is keeping the speed of engine in ideal range . Currently, the design method of multi-speed parallel-connected automatic transmission by lever analogy diagram has been developed, and it is easy used and understand. But there is a problem, a part of the result of design cannot be assembled into an automatic transmission. On the other hand, mulit-speed parallel-connected automatic transmissions are hard to design , because there are too many combinations to filter by human. If a man filters many combinations by hands, he will take lots of time and get many errors finally . The purpose of this research is improve the design method of automatic transmissions , and built several graphic database in the computer program. First , fundamentals and gear-shifting operations of the parallel-connected automatic transmission are illustrated to establish the design requirements, and the theory of the analysis of speed ratios for epicyclic-type automatic transmission is derived based on the concept of lever analogy.Next, the design method of multi-speed parallel-connected automatic transmission need improved by a new method. By using the improved method design 10-speed parallel-connected automatic transmission, we find 27 feasible ten-speed automatic transmissions from the 3003 possible combinations.At last, developing a computer program is used for the analysis and synthesis of parallel-connected epicyclic automatic transmissions of automobiles. The program contains graphic database about six-speed、eight-speed and ten-speed automatic transmission. This research proposed a method of design is effectiveness and integrity.

論文審定書 i
誌謝 ii
中文摘要 iii
英文摘要 iv
目錄 v
圖目錄 viii
表目錄 xii
第一章　前言 1
1-1　文獻回顧 1
1-2　研究目的 4
1-3　論文架構 6
第二章　基本概念 7
2-1　並排式行星齒輪汽車自動變速器 7
2-2　槓桿圖解法 9
2-2-1　槓桿比例法之基本原理 9
2-2-2　並排式自動變速器之槓桿圖解法 12
2-3　並排式自動變速器之基本規格 16
第三章　十速並排式自動變速器之設計 18
3-1　並排式汽車自動變速器之設計程序 18
3-2　給定一組轉速比 20
3-3　列出所有可行的槓桿圖 20
3-3-1　比例數線間距之數值 22
3-3-2　列舉基本齒輪機構單元 23
3-3-3　決定各齒輪之齒數 28
3-4　列舉所有行星齒輪機構 31
3-4-1　刪除不足(p+2)個共軸構件之行星齒輪機構 31
3-4-2　刪除退化之行星齒輪機構 32
3-4-3　產生通路數列 33
3-4-4　刪除縮圖包覆之行星齒輪機構 35
3-4-5　刪除構件包覆之行星齒輪機構 37
3-5　配置離合器與制動器 48
3-6　繪製自動變速器之機構簡圖 50
3-7　結語 61
第四章　並排式自動變速器設計程序之自動化 62
4-1　並排式自動變速器電腦輔助設計程式之系統架構 62

4-2　前處理器 63
4-3　資料運算 67
4-4　資料庫建立 69
4-5　資料庫對比 73
4-5-1　資料庫對比之演算法則 74
4-6　後處理器 77
4-7　結語 80
第五章　結論與建議 81
參考文獻 82

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