高速公路基本路段交通安全分析.pdf

1、分類號：$773密級：Y775066單位代碼：10389學(xué)號：s1022601福建農(nóng)林大學(xué)碩士學(xué)位論文高速公路基本路段交通安全分析學(xué)科專業(yè)：研究方向：研究生：指導(dǎo)教師：論文完成時(shí)間：森林工程交通運(yùn)輸規(guī)劃與管理蔣銳丁藝教授郭忠印教授(同濟(jì)大學(xué))二00五年四月米鬣豫AbstractWiththedevelopmentoffreewayinournation，thelossofpeoplepropertyandlivescausedbytra

2、fficaccidentsbecamemoreandmorelargeBasicFreewaySectionisoneimportantcompositionoffreewaywhichsafetylevelembodiedthesafetyofvehicleoperationBasedonthemicrotrafficflowtheorythepaperputforwardtheconceptionofdrivingrisk，andt

3、henadoptedimproved‘a(chǎn)dditivecalculationaImethods，andusedImgeproceesingtechnique，finallysetuptheSaltyEvaluationMethodsusedtoauditthesafetylevelofBasicFreewaySectionFirstlyaccordingtothevehicledynamicsandthesafetyrestrictio

4、n，thepaperdeducedthesafetyoperationspeedunderthestateofcarfollowingandlanechangingSecondlythefactorsthataffectedthesafetyofvehicleoperationthentheoperationspeedandcriticalsafetydecelerationwerechosedtoevaluatesafetylevel

5、ofvehicleoperationontheroadsectionAtthesametime，accordingtothepeople’sphysiologicandpsychologicresponsesunderdifferentaccelerations，andtheresultscausedbydifferentspeedsundertrafficaccident，theoperationriskmodelwaspropose

6、dThirdlyconsideringthecharacteristicsofmicro—trafficsafetyresearch，themetodsofcollectingtrafficdatawasfoundedBytheimagingproceedingtechnique，themovingvehicleindentifcation，operationtracks，simplifycoordinateconversioninal

7、limagewereproposed，sothevehicleplanarinformationatdifferenttimeanddifferentspacewereobtainedAndthentherealtimeoperationspeedandsafetydecelerationwerecalculatedFinallybyanalizingtheexperimentdata，thepapergivedanexampleapp

8、lyingthemethod，andtheaverageindexofvehicleoperationriskwasusedtoevaluatethesafetylevelofBasicFreewaySectionThesafetyapprmsalmethodmentionedabovewasbaseduponthemicrodrivingcharacteristics，soitcanbeappliedtoevaluatethereal

9、timepronedangersofmovingvehiclesonBasicFreewaySectionWhentherewasshortoftrafficaccidentdatathemethodcanalsobeusedtoevalutethesafetyofBasicFreewaySection，whichwasbeHerthantraditionalmethodsKeywords：BasicFreewaySection，saf