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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 劉霆(Tyng Liu) | |
| dc.contributor.author | Chih-Hung Chien | en |
| dc.contributor.author | 簡志鴻 | zh_TW |
| dc.date.accessioned | 2021-06-13T02:36:06Z | - |
| dc.date.available | 2007-01-24 | |
| dc.date.copyright | 2007-01-24 | |
| dc.date.issued | 2007 | |
| dc.date.submitted | 2007-01-19 | |
| dc.identifier.citation | [1] T. D. Gillespie, Fundamentals of Vehicle Dynamics, Warrendale,
PA, Society of Automotive Engineers, 1992. [2] John C. Dixon, Tires, Suspension and Handling, 2nd edition, Warrendale, PA, Society of Automotive Engineers, 1996. [3] J. Y. Wong, Theory of ground Vehicles, 3rd edtion, New York, John Wiley & Sons, 2001. [4] William F. Milliken, Douglas L. Milliken, Race Car Vehicle Dynamics, Warrendale, PA, Society of Automotive Engineers, 1995. [5] J. R. Ellis, Vehicle Handling Dynamics, 1st edition, London, Mechanical Engineering Publications Limited, 1994. [6] S. A. Lukowski, R. A. Fiedler, P. W. Claar, Investigation of a road-vehicle directional behavior under steady-state conditions, SAE Special Publications, Issue 884, pp.49-56, 1991. [7] Allan Y. Lee, Performance of four-wheel-steering vehicles in lane change maneuvers, IEEE, 1996. [8] 陳佳鑫，四輪轉向車輛側滑角控制系統之研發，國立台北科技 大學機電整合所碩士論文，2003。 [9] N. Irie and J. Kuroki, 4WS technology and the prospects for improment of vehicle dynamics, SAE paper No. 901167, 1990. [10] F. Yoshimi, Y.Naohiro, S.Shoichi, T.Hideo and M. Yoshinobu, A 96 review of four-wheel steering studies from the viewpoint of vehicle dynamics and control, Vehicle System Dynamics, Vol. 18, No. 1-3, pp.151-186, 1989. [11] Andrzejg. Nalecz, Alan C. Bindemann, Analysis of the dynamics response of four wheel steering vehicles at high speed, Int. J. of Vehicle Design, Vol. 9, No.2, pp. 197-202, 1988. [12] 尤正吉，車輛操控模式之分析，國立台灣大學機械工程學研究 所博士論文，1998。 [13] J.C. Whitehead, Rear wheel steering dynamics compared to front steering, Journal of Dynamic Systems, Measurement, and Control, Tracsactions of the ASME, Vol. 112, No.1, pp.88-93, 1990. [14] H. Itoh, A. Oida, Dynamic analysis of turning performance of 4WD-4WS tractor on paved road, Journal of Terramechanics, Vol. 27, No. 2, pp. 125-143, 1990. [15] 李宗庭，三輪與四輪車輛在轉向時之穩定性分析，國立中央大 學機械工程研究所碩士論文，1987。 [16] 吳瑞鴻、張光仁，車輛倒車運動軌跡理論推導與驗證，機電與 工業管理文彙，機械工業雜誌274 期，2006 年1 月。 [17] 何晉欽、徐正會，車輛轉向機構之回顧與分析，國立台北科技 大學機電整合所，2001 年。 [18] R.C. Hibbeler, Engineering mechanics dynamics, 9th edition, Prentice-Hall , Inc., 2001. 97 [19] 張智星 著，Matlab 程式設計及應用，新竹：清蔚科技股份有 限公司，第2 版，2000 年11 月。 | |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/31211 | - |
| dc.description.abstract | 本研究在探討四輪車有側滑角時之穩態轉向行為。首先針對四輪
車穩態轉向的相關理論作探討，應用運動學與牛頓力學理論，建立幾何關係式與力平衡方程式，發展四輪車轉向數學模型，並分成有驅動力和簡化之無驅動力兩種數學模式。由於無法得到解析解，利用全域搜尋之數值方法求得數值解，而數值方法可以包括電腦輔助分析與人工挑選兩部份。以前輪理想阿克曼轉向幾何之數值分析結果印證模型的合理性，進而利用此模型分析(1)後輪理想阿克曼轉向幾何，(2)前輪平行轉向幾何，(3)前輪前束搭配阿克曼轉向，(4)前輪外展搭配阿克曼轉向，(5)前輪阿克曼轉向，後單輪可以獨立轉向，(6)僅有單一輪轉向。綜合這些模式的數值分析結果，探討四輪車穩態轉向行為。利用本研究所發展之模型及分析方法對重心左右配置、不同轉向幾何之轉向機構、單輪轉向的影響與各個車輪之側滑與磨耗，均可以有更精確完整的了解。 | zh_TW |
| dc.description.abstract | Study on the steady turning behavior of four-wheel vehicles as the four tires develop slip angles is presented. Based on kinematics and dynamics, the geometry equations and force equilibrium equations are established to develop the 4-wheel independent steering mathematical
model, which includes tractive forced and non-tractive forced. Because of the difficulties in finding out the analytical solutions, a numerical method is developed. The numerical method includes computer aided programming and manual-selection. The front wheel ackerman steering is studied and the numerical results are verified. Then, the other modes(1) rear wheel ackerman steering, (2) front wheel parallel steering, (3)front wheel toe-in with ackerman steering, (4)front wheel toe-out with ackerman steering, (5) front wheel ackerman steering and rear single wheel independent steering, (6) single wheel steering, are analyzed. With these numerical results, the steady turning behavior of four-wheel vehicles is realized.With this mathematical model and numerical method established in the study, the effect of lareral weigh distribution, different types of steering geometry, single wheel steering on turning behavior and slip and wear of each tire can be thoroughly realized. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-13T02:36:06Z (GMT). No. of bitstreams: 1 ntu-96-R93522616-1.pdf: 973984 bytes, checksum: ce31d89f06467649451ea06ae005a73f (MD5) Previous issue date: 2007 | en |
| dc.description.tableofcontents | 口試委員會審定書..................................................................................... 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 符號定義.................................................................................................xiii 第一章 緒論.............................................................................................. 1 1-1 前言.............................................................................................. 1 1-2 文獻回顧...................................................................................... 2 1-3 研究目的...................................................................................... 3 1-4 研究方法與步驟.......................................................................... 4 第二章 理論基礎...................................................................................... 7 2-1 車輛座標系定義.......................................................................... 7 2-2 輪胎模型...................................................................................... 8 2-2-1 輪胎座標系定義.............................................................. 8 2-2-2 輪胎所受的力與力矩...................................................... 8 2-2-3 轉向力與側滑角.............................................................. 9 2-2-4 側傾力與外傾角............................................................ 11 2-3 阿克曼轉向幾何........................................................................ 12 2-4 自行車轉向模型........................................................................ 13 2-4-1 穩態自行車轉向模型.................................................... 13 2-4-2 穩態轉向之三種特性.................................................... 16 第三章 四輪車轉向模型........................................................................ 19 3-1 基本假設.................................................................................... 19 3-2 四輪車之運動模型................................................................... 20 3-3 幾何關係式................................................................................ 22 3-4 穩態力平衡方程式................................................................... 24 3-5 參數與變數................................................................................ 27 3-6 驅動力........................................................................................ 27 第四章 數值分析方法求解.................................................................... 29 4-1 數值分析方法建立................................................................... 29 4-2 簡化無驅動力之數值分析模式............................................... 32 4-3 有驅動力之數值分析模式....................................................... 34 第五章 電腦輔助數值分析與討論........................................................ 37 5-1 前輪理想阿克曼轉向型式之數值分析................................... 39 5-1-1 後輪驅動分析模式........................................................ 40 5-1-2 其他驅動分析模式........................................................ 49 5-1-3 重心內外偏置分析模式................................................ 55 5-2 後輪理想阿克曼轉向型式之數值分析................................... 58 5-3 前輪平行轉向型式之數值分析............................................... 64 5-4 前輪前束搭配阿克曼轉向之數值分析................................... 70 5-5 前輪外展搭配阿克曼轉向之數值分析................................... 74 5-6 單輪獨立轉向模式之數值分析............................................... 78 5-6-1 後單輪獨立轉向模式之數值分析................................ 78 5-6-2 僅單輪轉向模式之數值分析........................................ 85 5-7 討論............................................................................................ 87 第六章 結論與建議................................................................................ 91 6-1 結論............................................................................................ 91 6-2 未來展望.................................................................................... 92 參考文獻.................................................................................................. 95 附錄 數值分析程式及說明.................................................................. 99 作者簡歷................................................................................................ 103 | |
| dc.language.iso | zh-TW | |
| dc.subject | 數值分析 | zh_TW |
| dc.subject | 穩態轉向 | zh_TW |
| dc.subject | 側滑角 | zh_TW |
| dc.subject | 瞬心 | zh_TW |
| dc.subject | 四輪車轉向模型 | zh_TW |
| dc.subject | slip anle | en |
| dc.subject | numerical method | en |
| dc.subject | 4-wheel independent steering model | en |
| dc.subject | steady turning behavior | en |
| dc.subject | instantaneous center | en |
| dc.title | 四輪車穩態轉向軌跡之預測分析 | zh_TW |
| dc.title | Prediction and Analysis on Steady Turning Behavior of
Four-wheel Vehicles | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 95-1 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 鄭榮和(Jung-Ho Cheng),傅增棣(Tseng-Ti Fu),尤正吉(Cheng-Chi Yu) | |
| dc.subject.keyword | 穩態轉向,側滑角,瞬心,四輪車轉向模型,數值分析, | zh_TW |
| dc.subject.keyword | steady turning behavior,slip anle,instantaneous center,4-wheel independent steering model,numerical method, | en |
| dc.relation.page | 102 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2007-01-19 | |
| dc.contributor.author-college | 工學院 | zh_TW |
| dc.contributor.author-dept | 機械工程學研究所 | zh_TW |
| 顯示於系所單位： | 機械工程學系 | |
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