軌道車輛動態響應之分析及驗證｜國立臺灣科技大學博碩士論文系統

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研究生：	劉家良 Jia-liang Liou
論文名稱：	軌道車輛動態響應之分析及驗證 Analyses and Verification for the Dynamic Responses of a Track-Vehicle
指導教授：	吳翼貽 Ye-Ee Wu
口試委員:	楊條和 Tyau-Her Young 廖崑亮 none
學位類別：	碩士 Master
系所名稱：	工程學院 - 機械工程系 Department of Mechanical Engineering
論文出版年：	2009
畢業學年度：	97
語文別：	中文
論文頁數：	93
中文關鍵詞：	軌道車輛、驗證
外文關鍵詞：	trrack vehicle, verification
相關次數：	點閱：159 下載：7
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查詢本校圖書館目錄查詢臺灣博碩士論文知識加值系統勘誤回報

上一筆

軌道系統之輪/軌互制行為對於軌道車輛行駛穩定性與乘坐舒適度影響甚鉅。本研究係採用數值分析的方法，應用高速鐵路的車輛參數及軌道參數，建立軌道與車輛耦合的數學模型。先以不同的車輛行駛條件及實際量測之軌道不整度來模擬軌道系統的輪/軌互制行為，再以列車車廂實際量測振動驗證數值模擬分析結果。
數值模擬結果顯示以等加速度方式加速至每秒80公尺之行駛條件，在加速過程中會產生共振現象。將軌道不整度列入考慮後，數值模擬分析結果與運轉中列車車廂運轉縮得之實際振動量測值具有一致的趨勢與振動值範圍。

For any railway system, wheel/rail interaction plays a key factor in running stability and riding comfort. The objective of this research is to establish a simulation program to study the running stability and riding comfort of a high-speed rail vehicle using the available vehicle parameters and track parameters. Numerical analysis method was adopted to develop a vehicle-track coupling mathematical model. To simulate the wheel/rail interaction, different running condition and measured rail irregularity were used in this study. The measured car body vibration values were applied to verify the simulation results.
Simulation results indicated that a resonance phenomenon was observed for a running condition having constant-acceleration rate to reach velocity of 80m/sec. When rail irregularity was taken into account, simulation results were in good agreement with the measured values obtain form a running vehicle.

摘要..........................................I
ABSTRACT..........................................II
誌謝..........................................III
目錄..........................................IV
圖表索引..........................................VII
符號索引..........................................IX
第一章 緒論..........................................1
1.1前言..........................................1
1.2 研究動機與目的..........................................2
第二章 文獻回顧..........................................5
第三章 基本原理..........................................10
3.1車輛/軌道系統分析方法..........................................10
3.2車輛/軌道系統數值模擬之運動方程式..........................................16
3.2.1車輛模擬系統之運動方程式..........................................16
3.2.1.1 車廂之運動方程式..........................................20
3.2.1.2 轉向架之運動方程式..........................................22
3.2.1.3 輪軸組之運動方程式..........................................27
3.2.2軌道模擬系統之運動方程式..........................................31
3.2.3 輪/軌接觸力..........................................34
3.2.3.1 輪/軌正向接觸力..........................................34
3.2.3.2 輪/軌切線潛滑力..........................................35
3.2.3.3 Heuristic非線性理論潛滑力之修正..........................................38
3.3車輛/軌道系統數值模擬之分析方法..........................................40
3.3.1有限元素法公式化..........................................40
3.3.1.1樑元素之質量矩陣..........................................44
3.3.1.2樑元素之阻尼矩陣..........................................44
3.3.1.3樑元素之勁度矩陣..........................................45
3.3.1.4樑元素之受力矩陣..........................................46
3.3.2 車輛及軌道系統之離散化運動方程式..........................................47
3.3.3 紐馬克(Newmark-β)數值積分法..........................................48
第四章 車輛/軌道耦合系統之數值分析及驗證..........................................51
4.1車輛行駛於完美軌道之動態響應..........................................52
4.2 車輛行駛在實際量測不整軌道之輪/軌動態響應模擬分析..........................................61
4.3真實不整模擬分析與實際測試值比較輪/軌動態響應..........................................70
第五章  結論與展望..........................................76
5.1 結論..........................................76
5.2 未來展望..........................................77
參考文獻..........................................78
附錄..........................................81
作者簡介..........................................93

                                

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