预览加载中，请您耐心等待几秒...

基于驾驶员视觉兴趣区的沙漠草原公路曲线间直线段线形指标优化.docx

预览
1/4
2/4
3/4
4/4

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

基于驾驶员视觉兴趣区的沙漠草原公路曲线间直线段线形指标优化 Abstract Withanincreaseinthenumberofvehiclesontheroads,thereisaneedforsaferandmoreergonomicdrivingexperience.Oneofthewaystoachievethisisbyoptimizingthegeometryofroadsbasedondriver'svisualinterest.Inthisstudy,wefocusonoptimizingthestraightsectionlineshapeindexofcurvesindesertandgrasslandhighwaybasedondriver'svisualinterest. Thestudyproposesamethodologyusingreal-timeeye-trackingtechnologytocollectthedriver'svisualinterestdata.Thedataisthenanalyzedtoidentifythedriver'svisualinterestareas(VIAs)duringdriving.TheVIAsareusedtocreatereferencepointsfortheroadgeometryoptimizationprocess. Theoptimizationprocessusesacombinationofgeneticalgorithmandgeometricmodelingmethod.ThegeneticalgorithmisutilizedtoexplorethesolutionspacewhilethegeometricmodelingmethodisusedtogeneratetheoptimalroadgeometriesbasedontheVIAs. Theresultsofthestudyshowthattheoptimizedroadgeometriesbasedondriver'svisualinterestperformbetterthantheoriginalroadgeometriesintermsofdrivingcomfort,safety,andoveralldrivingexperience.Additionally,thestudyalsoshowstheimpactofvisualinterestondrivingbehaviorandhowitcanbeusedtooptimizeroadgeometry. Thisstudyhasimportantimplicationsforroaddesignandtransportationplanners.Byoptimizingroadgeometriesbasedondriver'svisualinterest,itispossibletoimprovetheoveralldrivingexperienceandreduceaccidentscausedbyunsaferoadconditions. Keywords:roadgeometryoptimization,driver'svisualinterest,geneticalgorithm,geometricmodeling,drivingexperience. Introduction Thegeometryofroadsplaysasignificantroleindeterminingthesafetyandcomfortofthedrivingexperience.Poorlydesignedroadgeometryresultsinreducedvisibility,increasedroadaccidents,anddriverdiscomfort.Itis,therefore,crucialtoensurethattheroadgeometryisoptimizedforsafeandcomfortabledriving. Traditionalroaddesignapproacheshavefocusedonmaximizingthevehicle'sspeedbyminimizingthecurvatureoftheroad,especiallyincurves.However,thisapproachdoesnotnecessarilyleadtosafeandcomfortabledrivingasotherfactorssuchasvisualinterestanddriver