美模论文模版.doc

只是一参考，具体由问题而定，特别是标题… Summary Key words: Contents 1. Introduction3 1.1 Why does toll way collects toll? ………………………………………….…………………….3 1.2 Toll modes………………………………………………………………………………………………3 1.3 Toll collection methods……………………………………………………………………….……3 1.4 Annoyance in toll plazas………………………………………….………….…………………….3 1.5 The origin of the toll way problem……………………...……………………………………...3 1.6 Queuing theory…………………………………………………………………………………...…...4 2. The Description of Problem…5 2.1 How do we approximate the whole course of paying toll? 5 2.2 How do we define the optimal configuration? …………….………….5 2.2.1 From the perspective of motorist…………………………………….………………….5 2.2.2 From the perspective of the toll plaza…………………………………………………6 2.2.3 Compromise…………………………………...……………………………………...………..6 2.3 Overall optimization and local optimization……………………………..……………….…6 2.4 The differences in weights and sizes of vehicles………………………………………..…7 2.5 What if there is no data available? 7 3. Models……………7 3.1 Basic Model7 3.1.1 Symbols and Definitions………………………………..…...……………………………...7 3.1.2 Assumptions……………………………………………………………….……..……………..8 3.1.3 The Foundation of Model………………………………………………………………….9 3.1.4 Solution and Result……………………………………………………………….………...11 3.1.5 Analysis of the Result……………………………………………….………………………..……….….11 3.1.6 Strength and Weakness………………………………………………….…………….…..13 3.2 Improved Model14 3.2.1 Extra Symbols……………………………………..………………………...…………………14 3.2.2 Additional Assumptions………………………………………………...…..…………………………..14 3.2.3 The Foundation of Model………………………………..…………………………………………….14 3.2.4 Solution and Result………………………………………….……………………………..……………...15 3.2.5 Analysis of the Result…………………………………………….……………………..…………….….18 3.2.6 Strength and Weakness……………………………………………….……………….…..19 4. Conclusions19 4.1 Conclusions of the problem……………………………………..……………..19 4.2 Methods used in our models…………………………………...……………………..…………19 4.3 Application of our models…………………………………………………..………