高速鐵路線路設(shè)計方案舒適度評價研究
本文選題:高速鐵路 + 線路方案。 參考:《中南大學(xué)》2012年碩士論文
【摘要】:隨著我國高速鐵路事業(yè)的蓬勃發(fā)展,基于舒適度評價的高鐵線路設(shè)計成為高速鐵路總體設(shè)計的重要環(huán)節(jié)。舒適度評價水平直接反映了線路設(shè)計方案的優(yōu)劣,在線路設(shè)計階段有重要應(yīng)用價值。本項目面向高速鐵路線路設(shè)計階段,以高速列車運行仿真理論和車線動力學(xué)理論為基礎(chǔ),以線路設(shè)計方案舒適度評價為研究內(nèi)容,在車線動力學(xué)理論中引入列車運行仿真原理,依據(jù)車線動力響應(yīng)結(jié)果求解舒適度評價指標(biāo)值,實現(xiàn)線路設(shè)計方案舒適度的評價,并依據(jù)車輛與線路最佳匹配設(shè)計原理輔助線路設(shè)計、提升設(shè)計質(zhì)量。本文主要完成了以下工作: (1)建立了基于多質(zhì)點模型和混合優(yōu)化策略的牽引計算模型,以線路設(shè)計參數(shù)為條件,結(jié)合新型動車組的技術(shù)參數(shù),完成了基于線路設(shè)計方案的列車運行仿真,繪制了V-S曲線圖,為將列車運行仿真成果引入車線動力學(xué)模型提供了必要條件。 (2)借鑒現(xiàn)有的車線動力學(xué)研究成果,建立了面向線路設(shè)計方案的車線動力學(xué)模型,在建模過程中充分考慮了線路線型條件,結(jié)合上述列車運行仿真成果,實現(xiàn)了針對線路設(shè)計方案的車線動力響應(yīng)分析。 (3)提出了在現(xiàn)有車線動力學(xué)理論中引入列車運行仿真原理的線路舒適度研究方法,依據(jù)平縱面線形將線路方案分成若干評價段,按照規(guī)范,在每個評價段內(nèi)完成橫向和垂向振動加速的頻譜分析并求解平穩(wěn)性指標(biāo)值。基于車輛與線路最佳匹配原理的線路動態(tài)設(shè)計方法,將舒適度評價結(jié)論應(yīng)用于線路設(shè)計環(huán)節(jié),輔助線路設(shè)計。 (4)開發(fā)了高速鐵路線路設(shè)計方案舒適度評價系統(tǒng)。在VS.NET環(huán)境下利用CAD二次開發(fā)工具ObjectARX2006以及Matlab Math Library函數(shù)庫完成上述系統(tǒng),并通過工程實例驗證了程序的合理性和實用性。
[Abstract]:With the rapid development of high-speed railway industry in China, high-speed railway line design based on comfort evaluation has become an important link in the overall design of high-speed railway. The level of comfort evaluation directly reflects the merits and demerits of the line design scheme and has important application value in the line design stage. This project faces the high-speed railway line design stage, based on the high-speed train operation simulation theory and the train line dynamics theory, takes the line design scheme comfort evaluation as the research content, introduces the train operation simulation principle in the train line dynamics theory. According to the result of dynamic response of vehicle line, the evaluation index value of comfort degree is solved, and the evaluation of comfort degree of route design scheme is realized. According to the principle of optimal matching design of vehicle and route, the design of line is aided, and the design quality is improved. The main work of this paper is as follows: (1) the traction calculation model based on multi-particle model and hybrid optimization strategy is established. Based on the line design parameters, the technical parameters of the new EMU are combined. The train running simulation based on the route design scheme is completed, and the V-S curve is drawn, which provides the necessary conditions for introducing the train operation simulation results into the vehicle line dynamics model. (2) drawing lessons from the existing vehicle line dynamics research results, The vehicle line dynamics model oriented to the route design scheme is established. In the course of modeling, the line alignment condition is fully considered, and the simulation results of the above train operation are combined with the above mentioned train operation simulation results. The dynamic response analysis of the railway line is realized. (3) the research method of line comfort degree is put forward by introducing the train operation simulation principle into the existing train line dynamics theory. The line scheme is divided into several evaluation sections according to the line shape of horizontal and longitudinal plane. According to the criterion, the spectrum analysis of lateral and vertical vibration acceleration is completed in each evaluation section and the stationary index value is solved. Based on the principle of optimal matching between vehicle and line, the conclusion of comfort evaluation is applied to the link of line design and auxiliary route design. (4) the evaluation system of comfort degree for high-speed railway line design scheme is developed. The above system is completed by using the CAD secondary development tool ObjectARX2006 and Matlab Math Library function library under the environment of VS.NET, and the rationality and practicability of the program are verified by an engineering example.
【學(xué)位授予單位】:中南大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2012
【分類號】:U212.32
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