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1、Y7823§7分婁號(hào)太原理工大學(xué)密級(jí)碩士學(xué)位論文題目基王魚!墨鰒交通監(jiān)控歪纏班塞英文并列題目TheResearchonTransportationSupervisionandControlSystemBased011GIS研究生姓名:塑望壹學(xué)20020226專業(yè):鹽蔓墊廛旦蕉查研究方向:墼皇璺堡坌墨導(dǎo)師姓名:塑韭盟職論文提交B期2005/4教授學(xué)位授予單位:太原理工大學(xué)地址:山西·太原太原理工大學(xué)太蓉擎:。嘻=§螽Ⅵ再蚓謄霉簧何誰(shuí)薹鋈喜蓁霎酆萎翼莖薹耍蠢璧耄簍委鏊蓁萋薹莖霎萋萋i羹霎奏耋薹塞蔞囊冀!;§霧萎薹薹垂霧薹簍鋈鏊謄鬟蓁掣萋薰薹夏囊萋蓁妻冀藉蓑鬟i摹囊薔霎萎墓洱霉
2、驀糊;i薹;薹董j耄三乏羞董守!i耋i薹辜蘭蠹簍;毫≥蓁蓁i妻!拿謄曼薹;蕈蕈蕊季垂妻蘸i之薹;i暈毒ii至基蠶蠹童墨●ij』lii考乎妻耋蕾搴;乏;!差暈!}:ill;孽菩蕁{?毫i≥差霉耋主毒耋鼙;菇驀蘭T專ii妥囊菩耋!囂受i霉囂彗ii≥髫£羹妻室?;《毒:蕁磐薹;羹乏量§攀北垂i三÷j}寶毒三!驀莓蓋量薹;謄i驀;;;霧耋芎;i瑩i羞喜妻暑薹萼毒蔞主蠢霎;毫荔;主薹薹毒i未;毫冀暑i≤孽謄謦宴!薹要璧;霧管零;富;;耋霧垂薹善垂量謄冀蘭孽;善di;薹?馨薹ii翼耋囂耋謄妻董j薹莖囊妻i謄§塞塞;毫甲砧囊堇謄蠹薹蔫竺善ii堇王j音??;上這是因?yàn)槲覈?guó)是個(gè)人口大國(guó),在城
3、市里甚至在大都市普遍存在各種行人等)并存的現(xiàn)象,并不象交通發(fā)達(dá)的歐美國(guó)家那樣易于管理和協(xié)調(diào)。再者我國(guó)無論城市道路還是高速公路其提供的服務(wù)設(shè)旌也是無法和歐美國(guó)家相比較的,所以僅僅套搬外國(guó)的模型算法是根本無法緩減我國(guó)交通癥結(jié)的。因此本論文針對(duì)我國(guó)交通運(yùn)輸系統(tǒng)的特點(diǎn)對(duì)Bs算法進(jìn)行了改進(jìn),在B+算法的基礎(chǔ)上加入了判斷各個(gè)路段交通狀況的函數(shù),.這樣就有效地避免了走的是路程上的晟短但行程時(shí)間卻很長(zhǎng)的情況。而且實(shí)驗(yàn)結(jié)果表明"x太原理:E大學(xué)碩士研究生學(xué)位論文haveanadvancedtramcsvstem.diversifiedtra行icmannersexistcommonlyin
4、thecitieseveninmetropolisofourcountry(includingcars,buses,trol王eys,bicycles,motorcyclesandpedestrians),whicharenoteasytobemanagedandharmonized.Inaddition,theserVicefacilitiesincityroadsorhighwayarenotwellasdeVeIopedcountries’.SothealgorithmmodelsofdeVelopedcountryarenotsuitabletoourcountr
5、y.Accordingtothespecialtiesoftramcsysteminourcountry,thispaperimprovedthealgorithmB母andaddedthefunctionswhichcanestimatethesituationofeverysectionofthehighway.Thiscanef艷ctivelyavoidthesituationthatwemightspendalongertimetogoashorterroad.Itisshownbyexperimentalresultsthattherespondedspeeda
6、ndemciency‘ofshortestpathalgorithmscanmeettheneedofthesystem.ThemendedalgorithmsB木isimproVedclearlyintraVeltimFnandbecauseoflimitationofexperimentalfield,theimproVementoftraveltimeisnotmoreremarkably.ButthetraveItimecanbeaddedup,itsefrectwillbemoreidealifitisusedinpracticalsituation.Secon
7、dly,themannersofdatabaseaccessare0DBCandADOpattemsinmanytransportationsupervisionsystemsnow.Inthisp"x太原理:【大學(xué)碩士研究生學(xué)位論文thedeVelopmentandreducetheworkcomplexltyoftheresearcher.ButthiskindofdevelopmentofGISsystemishugenessandit】1asljttleexpansibilityThemoreimponantdisa∈