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面向?qū)ο蟮钠噭?dòng)力傳動(dòng)系統(tǒng)模型庫建立與性能計(jì)算
摘要:隨著計(jì)算機(jī)仿真技術(shù)、對象建模理論以及軟件工程的不斷發(fā)展,使得這些技術(shù)在解決交通領(lǐng)域內(nèi)的問題的應(yīng)用方面日益廣泛和深入。仿真技術(shù)為進(jìn)行車輛的動(dòng)力學(xué)性能仿真提供了有力的工具。
以往在研究車輛動(dòng)力學(xué)模型時(shí),多是就動(dòng)力學(xué)的某部分模型或過程進(jìn)行研究,并且在開發(fā)模擬程序時(shí),多使用過程式的建模和編程方法,使得建立的模型條理不夠清晰,編制的程序可讀性和易維護(hù)性不高。因此,針對這種情況,木文提出用面向?qū)ο蟮慕:途幊谭椒ā?/p>
在本文中,首先根據(jù)面向?qū)ο蟮慕@碚?將車輛動(dòng)力學(xué)運(yùn)動(dòng)學(xué)系統(tǒng)初步劃分為發(fā)動(dòng)機(jī)、傳動(dòng)系、制動(dòng)系、轉(zhuǎn)向系、車輪、懸架和車身7個(gè)對象,并分別分析了各對象所包含的屬性和操作。然后,在此基礎(chǔ)上,分別建立各個(gè)郊分的數(shù)學(xué)模型,構(gòu)造了一個(gè)8自由度的整車動(dòng)力學(xué)模型: 該程序可以對模型進(jìn)行比較、校驗(yàn),并按一定的規(guī)則合成整車模型,可用來模擬車輛的運(yùn)動(dòng)情況,具有一定的實(shí)用價(jià)值。
關(guān)鍵詞:仿真;面向?qū)ο蠼@碚?;車輛動(dòng)力學(xué)
Object oriented modeling and performance calculation of automotive powertrain system
Abstract:with the continuous development of computer simulation technology, object oriented modeling theory and software engineering, the application of these techniques in solving traffic problems more and more extensive. The simulation technology provides a powerful tool for the simulation of dynamic performance of the vehicle.
In the past, dynamic model of the vehicle, much of one model or process dynamics, and in the development of a simulation program, using modeling and programming method of the model establishment of the organization is not clear, the program readability and Yi Wei support is not high. Therefore, in view of this situation, this paper puts forward modeling and object oriented programming method.
In this paper, according to the theory of object oriented modeling, the preliminary classification of vehicle dynamics and kinematics system for engine, transmission, brake system, steering system, wheel, suspension and body of 7 objects, and analyzes the properties and operation of the contained objects. Then, on this basis, the mathematical model is established. The suburb, to construct a 8 degree of freedom vehicle dynamics model: the program can be compared to the model verification, and according to certain rules of synthetic vehicle model can be used to simulate the movement of the vehicle, has a certain practical value.
Keywords:simulation, object-oriented modeling theory, vehicle dynamics
目 錄
摘要 I
Abstract II
目錄 III
1 概述 1
1.1引言 1
1.2課題的提出及研究的內(nèi)容 1
1.2.1課題的提出 1
1.2.2本文研究的主要內(nèi)容 2
1.3課題的研究意義 2
2 面向?qū)ο蟮慕@碚?span id="haatimd" class="Apple-tab-span" style="white-space:pre"> 4
2.1 面向?qū)ο蟮母拍?span id="aw3pyda" class="Apple-tab-span" style="white-space:pre"> 4
2.2 面向?qū)ο蟮幕咎匦?span id="8ccfvz3" class="Apple-tab-span" style="white-space:pre"> 4
2.3 面向?qū)ο蟮南到y(tǒng)分析設(shè)計(jì) 4
2.3.1 面向?qū)ο蟮南到y(tǒng)分析 4
2.3.2 面向?qū)ο笙到y(tǒng)建模 4
2.4 面向?qū)ο蠼<夹g(shù)的優(yōu)點(diǎn) 5
3 車輛動(dòng)力學(xué)系統(tǒng)的對象分析及數(shù)學(xué)建模 7
3.1 數(shù)學(xué)建模方法 7
3.1.1 數(shù)學(xué)模型的概念 7
3.1.2 數(shù)學(xué)建模方法 7
3.1.3 數(shù)學(xué)建模的一般步驟 8
3.2 車輛動(dòng)力學(xué)系統(tǒng)概述 9
3.3 車輛動(dòng)力學(xué)系統(tǒng)對象的確定與分析 10
3.3.1 車輛動(dòng)力學(xué)系統(tǒng)的構(gòu)成 10
3.3.2 車輛動(dòng)力學(xué)系統(tǒng)對象的確定 11
3.4 車輛動(dòng)力學(xué)對象數(shù)學(xué)模型建立 17
4 汽車動(dòng)力性計(jì)算及總體設(shè)計(jì) 24
4.1 動(dòng)力性能計(jì)算 24
4.1.1 驅(qū)動(dòng)力計(jì)算 24
4.1.2 動(dòng)力因數(shù)計(jì)算 25
4.1.3 爬坡度的計(jì)算 26
4.1.4 加速度倒數(shù)的計(jì)算 28
4.2 整車總布置圖 29
5 總結(jié) 31
參考文獻(xiàn) 32
致謝 33
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A0-總裝配圖.dwg
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圖.zip
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面向?qū)ο蟮钠噭?dòng)力傳動(dòng)系統(tǒng)模型庫建立與性能計(jì)算.doc
面向?qū)ο蟮钠噭?dòng)力傳動(dòng)系統(tǒng)模型庫建立與性能計(jì)算中期報(bào)告.doc
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面向?qū)ο蟮钠噭?dòng)力傳動(dòng)系統(tǒng)模型庫建立與性能計(jì)算開題報(bào)告.doc
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