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1、·10·工業(yè)儀表與自動(dòng)化裝置2013年第2期基于激光測(cè)距雷達(dá)和車載GPS的動(dòng)態(tài)障礙物檢測(cè)王葵,翟榮剛,王道斌。,顏普(1.安徽廣播電視臺(tái)傳輸發(fā)射序列合肥轉(zhuǎn)播臺(tái),合肥230039;2.安徽郵電職業(yè)技術(shù)學(xué)院通信工程系,合肥230039;3.中科院合肥物質(zhì)科學(xué)研究院先進(jìn)制造技術(shù)研究所,江蘇常J'i1213000;4.安徽大學(xué)計(jì)算智能與信號(hào)處理教育部重點(diǎn)實(shí)驗(yàn)室,合肥230039;5.中國(guó)科學(xué)技術(shù)大學(xué)自動(dòng)化系,合肥230027)摘要:動(dòng)態(tài)障礙物檢測(cè)問(wèn)題一直是移動(dòng)機(jī)器人的研究熱點(diǎn)之一,也是機(jī)器人實(shí)現(xiàn)安全可靠導(dǎo)航的前提。該文提出了一種在道路環(huán)境下進(jìn)行動(dòng)態(tài)障礙物實(shí)時(shí)檢測(cè)的方法,采用激光雷達(dá)和車載GPS2
2、種傳感器,激光雷達(dá)實(shí)時(shí)地獲取連續(xù)2幀的數(shù)據(jù),連續(xù)2幀間無(wú)人車的航向角度和位置信息,通過(guò)車載GPS實(shí)時(shí)獲取。通過(guò)對(duì)2幀數(shù)據(jù)的對(duì)比分析,進(jìn)行潛在動(dòng)態(tài)障礙物的判定,然后進(jìn)行連續(xù)2幀之間潛在動(dòng)態(tài)障礙物的匹配,區(qū)分出2幀中同時(shí)存在的動(dòng)態(tài)障礙物,并計(jì)算其運(yùn)動(dòng)矢量,最后給出預(yù)測(cè)區(qū)域。實(shí)驗(yàn)結(jié)果驗(yàn)證了算法的有效性,對(duì)無(wú)人車提前避讓動(dòng)態(tài)障礙具有一定的意義。關(guān)鍵詞:動(dòng)態(tài)障礙物檢測(cè);激光測(cè)距雷達(dá);激光點(diǎn);潛在動(dòng)態(tài)障礙物;預(yù)測(cè)區(qū)域中圖分類號(hào):TP391.41文獻(xiàn)標(biāo)志碼:A文章編號(hào):1000—0682(2013)02—0010—04Dynamicobstaclesdetectionbasedoillaserrang
3、ingradarandGPSin—-carWANGKui’,一,ZHAIRonggang,WANGDaobin-一,YANPu(1.HefeiRelayStation,LaunchSequenceofAnhuiRadioandTelev~ion,Hefei230039,China;2.SchoolofElectronicsandInformationEngineering,AnhuiVocationalandTechnicalCollegeofPostsandTelecommunications,Hefei230039,China3.InstituteofAdvancedManufact
4、uringTechnology,ChineseAcademyofSciences,JiangsuChangzhou213000,China;4.KeyLabIntelligentComputing&SignalMin~tryofEducation,AnhuiUniversity,Hefei230039,China;5.DepartmentofAutomation,UniversityofScienceandTechnologyofChina,Hefei230027,China)Abstract:Dynamicobstacledetectionhasbeentheresearchfocus
5、ofthemobilerobot,isaprerequi—sitetoachievesafeandreliablenavigationfortherobot.Areal—timedetectionmethodofdynamicob—structionsintheroadenvironmentispresented.Twotypesofsensors,laserradarandGPSin—car,areusedtodetectthedynamicobstructions.LaserradarisusedtoobtaintwocontinuousframesdataandGPSin——car
6、isusedtoattainheadingangleandlocationinformationofunmannedvehiclebetweentheob·-tainedtwoframes.MatchingthetwoframesdatatofindtheCO—existobstructionsandcalculatingthemovingorientationcangiveaforecastarea.Theexperimentalresultsverifiedeffectivenessofthealgo—rithmanddemonstratethatthemethodismeaning
7、fulwithacertainsenseofunmannedvehiclesinad—vancetoavoiddynamicobstructions.Keywords:dynamicobstacledetection;laserrangingradar;laserpoint;CO—existobstructions;forecastarea0引言收稿日期:2012—09—19在無(wú)人車自主行駛過(guò)程中,動(dòng)態(tài)障礙物對(duì)其造基金項(xiàng)目:國(guó)家自然