全地形車(All-terrain vehicle，簡稱ATV)風行歐美，近年來在台灣的休閒活動市場也逐漸受到注意，國內各大車廠相繼投入研發與生產。其中，懸吊轉向機構與ATV的行駛性能密切相關，為ATV的設計重點。故本研究以ATV的懸吊轉向機構為研究對象，建立全地形車懸吊轉向機構之分析理論並發展其系統化設計程序，作為設計開發的依據。首先，針對懸吊轉向機構進行文獻的探討，對其基本功能與特性進行了解，對性能指標進行討論與定義；其次，應用工程設計方法擬定設計程序，並建立設計規格書；接著，利用系統化機構構造設計程序進行前懸吊轉向機構之創新設計，並將成果建立為機構圖集，再依合成構造對四輪驅動與後輪驅動車輛的適用性加以分類，以供後續設計所選用；最後，應用多目標基因演算法針對兩型通用型構造Type 1.1(雙A臂式)與Type 8.3(創新構造)進行運動設計，可得到比YAMAHA Sport ATV 450與YAMAHA Utility ATV 660性能更佳的機構尺寸。

All-terrain vehicle(ATV) is very popular in Europe and North America because of its excellent riding performance. The Design of suspension and steering mechanism is one of the most important parts in ATV design, because it is much related to the riding performance of ATVs. Therefore, this research focuses on investigating the design of suspension and steering mechanism for ATVs. There are two main objectives to be achieved in this research. One is to build the analysis theory, and the other is to develop a systematic design process of suspension and steering mechanism for ATVs. Firstly, we survey papers about suspension and steering mechanism to find its basic functions and properties. Secondly, we use engineering design method to classify the design requirements and frame the design process. Thirdly, we list new suspension and steering mechanisms by applying the creative mechanism design procedure, then separate the new mechanisms separate into two types. One type is suitable only for back-wheel drive vehicles, and the other type is suitable for back-wheel drive and four-wheel drive vehicles. Finally, we complete the kinematic design of the type1.1(double-wishbone) and type8.3(new mechanism) suspension and steering mechanisms based on the Genetic algorithm (GA), and we can obtain the better mechanism dimensions than Yamaha 660 and 450 ATV.

致謝 …………………………………………………………………Ⅰ
目錄 …………………………………………………………………Ⅱ
圖目錄 ………………………………………………………………Ⅳ
表目錄 ………………………………………………………………Ⅷ
摘要…………………………………………………………………IⅩ
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 ……………………………………………………4
第二章 基本概念 …………………………………………… 6
2.1 ATV簡介 ………………………………………………… 6
2.2 懸吊轉向機構簡介…………………………………… 8
2.3 懸吊轉向機構之構造需求與特性……………………15
2.4 懸吊轉向機構之性能指標……………………………16
2.5 性能指標公式推導 ……………………………………26
第三章 設計程序 ……………………………………………… 40
3.1 懸吊轉向機構之設計程序………………………………40
3.2 懸吊轉向機構之設計需求………………………………42
第四章 構想設計 ………………………………………………… 50
4.1 懸吊轉向機構之構想設計……………………………… 50
4.2 懸吊轉向機構分類…………………………………… 58
第五章 性能分析 …………………………………………………61
5.1 懸吊轉向機構之位置分析理論……………………… 61
5.2 懸吊轉向機構電腦輔助性能分析程式…………………76
5.3 電腦輔助性能分析程式驗證……………………………80
5.4 ATV懸吊轉向機構性能分析實例…………………… 83
第六章 運動設計 ………………………………………………… 92
6.1 懸吊轉向機構之運動設計理論…………………………92
6.2 ATV懸吊轉向機構運動設計實例………………………97
第七章 結論與建議 ……………………………………………113
參考文獻 ………………………………………………………… 115
附錄一 多連桿式懸吊機構專利………………………………… 118
附錄二 電腦輔助性能分析程式驗證結果……………………… 121

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