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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
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dc.contributor.advisor | 劉霆(Tyng Liu) | |
dc.contributor.author | Chung-Hsien Chuang | en |
dc.contributor.author | 莊崇賢 | zh_TW |
dc.date.accessioned | 2021-05-12T09:32:49Z | - |
dc.date.available | 2018-08-13 | |
dc.date.available | 2021-05-12T09:32:49Z | - |
dc.date.copyright | 2018-08-13 | |
dc.date.issued | 2018 | |
dc.date.submitted | 2018-08-08 | |
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[34] A. Farazandeh, A. K. W. Ahmed, and S. Rakheja, 'Performance Enhancement of Road Vehicles Using Active Independent Front Steering (AIFS),' SAE International Journal of Passenger Cars - Mechanical Systems, vol. 5, no. 4, pp. 1273-1284, 2012. [35] B. Heißing and M. Ersoy, Chassis Handbook, 1st ed. Wiesbaden, Germany: Vieweg+Teubner Verlag, 2011. [36] 黃亮雄, '轉向幾何對車輛穩態轉向之影響與分析,' 碩士論文, 機械工程學研究所, 國立臺灣大學, 2015. [37] E. Bakker, L. Nyborg, and H. B. Pacejka, 'Tyre Modelling for Use in Vehicle Dynamics Studies,' SAE Technical Paper, vol. 1, pp. 1-15, Paper No. 870421, 1987, Art. no. 870421. [38] 'Adams/Tire, Using the PAC2002 Tire Model,' MSC Software Corporation, Newport Beach, CA, 2005. [39] I. J. M. Besselink, A. J. C. Schmeitz, and H. B. Pacejka, 'An Improved Magic Formula/Swift Tyre Model that can Handle Inflation Pressure Changes,' Vehicle System Dynamics, vol. 48, no. sup1, pp. 337-352, 2010. [40] H. B. Pacejka and I. J. M. Besselink, Tyre and Vehicle Dynamics, 3rd ed. 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Brown, Applied Multivariate Statistics in Geohydrology and Related Sciences, 1st ed. Berlin, Germany: Springer, 1998. | |
dc.identifier.uri | http://tdr.lib.ntu.edu.tw/handle/123456789/1117 | - |
dc.description.abstract | 本研究之目的在於以理想轉向幾何為基準,設計四軸車輛之新型轉向幾何,並探討此轉向幾何以實際轉向機構實現之可行性,此外,也進一步討論轉向機構模組化設計之可能性。首先以運動學與牛頓力學建立包含簡化懸吊模型和Magic Formula輪胎模型之三自由度四軸車輛穩態轉向模型,再以Newton-Raphson數值方法求得穩態力平衡方程式之解,作為後續分析穩態轉向特性之用。接著根據現行車輛轉向機構與實車參數,建立最佳化設計方法,以粒子群演算法進行阿克曼轉向幾何之前雙軸轉向與一二四軸轉向機構設計,證明阿克曼轉向幾何由實際轉向機構實現之可行性。然後以此為基準,提出雙平行和三平行轉向幾何,將其與阿克曼轉向幾何比較,推論出可提高四軸車輛機動性且維持良好輪胎磨耗特性的新型轉向幾何,再以新型轉向幾何為設計目標進行轉向機構設計,並利用四軸車輛穩態轉向模型分析最佳化結果之穩態轉向特性,以及與現行轉向機構進行比較。最後同樣以新型轉向幾何為設計目標,進行轉向機構之模組化設計,分析模組化後所能產生之轉向特性。利用本研究提出之新型轉向幾何與轉向機構之最佳化結果,可對四軸車輛或是其他多軸車輛的轉向特性與轉向機構改良提供一參考基準。 | zh_TW |
dc.description.abstract | The purpose of this work is to design a new steering geometry of four-axle vehicle based on ideal steering geometry, and study the feasibility to realize the new steering geometry on real steering mechanisms. Besides, this work discusses the possibility of modular design of steering mechanism. First, based on kinematics and Newtonian mechanics, 3-DOF steady-state cornering vehicle models, including the simplified suspension model and Magic Formula tire model, are presented. Then, Newton-Raphson Method is applied to find the numerical solutions of the simultaneous equations of motion. Afterwards, according to the steering mechanisms and the parameters of existing vehicles, this study constructs an optimization problem and uses particle swarm optimization to design Ackermann front-two steering and 1,2,4th steering mechanisms. The results prove the feasibility of applying Ackermann steering geometry on real steering mechanisms. After that, the double parallel and triple parallel steering geometry are proposed and compared with Ackermann steering geometry. Based on the comparison, a new steering geometry which can enhance the mobility of four-axle vehicle and maintain well tire wear is proposed. This work takes the new steering geometry as the optimization objective to design steering mechanism, and use the vehicle models to analyze the cornering characteristics of results. Finally, this work also takes the new steering geometry as the optimization objective to design modular steering mechanisms. The results in this research may serve as development and further research of steering mechanisms. | en |
dc.description.provenance | Made available in DSpace on 2021-05-12T09:32:49Z (GMT). No. of bitstreams: 1 ntu-107-R05522622-1.pdf: 8943989 bytes, checksum: 35729227d884c0f4d3ce1befc298e579 (MD5) Previous issue date: 2018 | en |
dc.description.tableofcontents | 誌謝 iii
摘要 iv Abstract v 目錄 vi 圖目錄 ix 表目錄 xiii 符號定義 xiv 第一章 緒論 1 1-1 前言 1 1-2 文獻回顧 2 1-3 研究動機與目的 4 1-4 研究方法與步驟 5 1-5 論文架構 6 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 輪胎力學 8 2-2-3 轉向力與側滑角 9 2-3 車輛轉向幾何 11 2-4 自行車轉向模型 13 2-5 四軸車輛穩態轉向模型 17 2-5-1 基本假設 17 2-5-2 Magic Formula 輪胎模型 18 2-5-3 簡化懸吊模型 23 2-5-4 車輛運動模型 29 2-5-5 穩態力平衡方程式 32 2-6 四連桿組運動方程式 34 2-6-1 4R平面四連桿 35 2-6-2 RSSR空間四連桿 37 2-7 最佳化演算法 39 2-7-1 粒子群演算法 39 2-7-2 改良之粒子群演算法 43 第三章 理想阿克曼轉向幾何之整車轉向機構設計 45 3-1 車輛穩態轉向模型與參數 45 3-2 轉向機構原型 47 3-2-1 一二軸轉向連桿機構 48 3-2-2 一二軸轉向機輸出比 50 3-2-3 設計變數 50 3-3 最佳化設計方法 53 3-3-1 設計目標與最佳化目標函數 53 3-3-2 設計條件與限制 56 3-3-3 演算法參數與設計步驟 57 3-4 前雙軸轉向之轉向機構設計 59 3-4-1 阿克曼轉向幾何設定 59 3-4-2 穩態轉向特性分析與比較 62 3-4-3 最佳化設計結果 68 3-5 一二四軸轉向之轉向機構設計 70 3-5-1 阿克曼轉向幾何設定 71 3-5-2 穩態轉向特性分析與比較 72 3-5-3 第四軸轉向機構原型與設計變數 76 3-5-4 最佳化設計結果 78 3-6 小結 82 第四章 新型多軸轉向幾何與整車轉向機構設計 83 4-1前雙軸轉向幾何設計 83 4-1-1 雙平行轉向幾何設定 83 4-1-2 雙平行與阿克曼之穩態轉向特性比較 85 4-1-3 雙軸轉向幾何設計 89 4-2前雙軸轉向之轉向機構設計 90 4-2-1 設計目標修改 90 4-2-2 最佳化設計結果 91 4-2-3 迴轉半徑與偏擺率分析 94 4-2-4 側滑角分析 96 4-3 轉向幾何目標調整 99 4-3-1 新型轉向幾何調整 99 4-3-2 最佳化結果驗證 102 4-4 一二四軸轉向幾何設計 108 4-4-1 三平行轉向幾何設定 108 4-4-2 三平行與阿克曼之穩態轉向特性比較 109 4-4-3 一二四軸轉向幾何設計 113 4-5 一二四軸轉向之轉向機構設計 114 4-5-1 設計目標修改 114 4-5-2 最佳化設計結果 117 4-5-3 迴轉半徑與偏擺率分析 120 4-5-4 側滑角分析 122 4-6 小結 125 第五章 整車轉向機構之模組化設計 129 5-1 轉向機構原型設定與設計變數 129 5-2 前雙軸轉向機構之模組化設計 130 5-2-1 最佳化設計結果 131 5-2-2 迴轉半徑分析 132 5-2-3 側滑角分析 133 5-3 一二四軸轉向機構之模組化設計 136 5-3-1 最佳化設計結果 136 5-3-2 迴轉半徑分析 139 5-3-3 側滑角分析 139 5-4 小結 142 第六章 結論 143 6-1 結論 143 6-2 未來展望 145 參考文獻 146 附件 各最佳化搜尋中適應值最小之5組解 150 附錄一 轉向機構最佳化設計程式碼 157 附錄二 四軸車輛穩態轉向模型程式碼 168 | |
dc.language.iso | zh-TW | |
dc.title | 四軸整車轉向幾何與轉向機構之最佳化設計 | zh_TW |
dc.title | Optimum Design of Steering Mechanism and Steering Geometry for Four-Axle Whole Vehicle | en |
dc.type | Thesis | |
dc.date.schoolyear | 106-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 鄭榮和(Jung-Ho Cheng),尤正吉(Cheng-Chi Yu) | |
dc.subject.keyword | 四軸車輛,轉向機構,多軸轉向,阿克曼轉向幾何,側滑角,粒子群演算法,最佳化設計, | zh_TW |
dc.subject.keyword | Four-axle vehicle,steering mechanism,multi-axle steering,Ackermann steering geometry,slip angle,particle swarm optimization,optimum design, | en |
dc.relation.page | 198 | |
dc.identifier.doi | 10.6342/NTU201802785 | |
dc.rights.note | 同意授權(全球公開) | |
dc.date.accepted | 2018-08-08 | |
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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