基于混杂petri网的交通流建模

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1、薅要_Illlll,Illl!k_㈣摘要随赭缀济的发展、窜辆的普及，城常交通需求迅速发展，爨遴阿题目趋≯熬。交逶滚懿猴确镞缀嚣藏效鹃突遵羟筏不键霹疆减乡戳耱者稳蕊行成本，而鼠还能减轻环德污染，减少因交通商带涞的经济损失。交通流颈摄私交遥羧裁要泼壤礴瓣鸯簸鹃交遴流搂墼炎鏊戳，傣绫蛉交遴滚攘爨已经不魏逶纛邈寒越篾杂、越寒越瘫天缒交遴系绞，毽苓鼗兖磐波凌交避系统的滟杂特性。本文主袋是尝试把混杂Petri嘲邀一新兴理论应用到燮遇蒸统豹建摸中去。零烹谯分析交满悉绕滢杂特住的基础上，藤澎杂Petri耐建立了交通滚模激，耄要研究凌容擞下；≤1)镑瓣单鼹鬏衮避浚熬瀵凝，怒荤耱羧分淹笼

2、窭天霾薮：l载秘骞壅久口匝嫩两种情况。把繇一路段分为N段，段内交通属性越嘏同的，而熙对手窍臻入蹦藩遥熬愤嚣簿～襞疼最多最奢一个窭秘堑道秘入翻避遘。努捌建立?蠢磁入口匿遂帮獗出入掰匿邀懿路段雯遥漉滢杂Petri黼模登，捧给出了模溅参数修泼爨法。(2)静辩卡字交叉搿数毅绿灯鬻茏黪辫蘸攮靼鏊籀覆豹壤提，努烈给出了它们的赋时Petri阏模型。详细分析了十字交叉口的变邋流情况，并辩数缀灯控割受瓣藤袋黠豹猿凝麓悫了嚣稳穗终号嚣按髑瓣交叉瓣交遴滚簸混杂Petri爨穰蘩，最詹分析了楱壅鹣黛纯遂行过赣。踌段交通流和交叉翻交通滚瓣混杂Petri嬲撩溅的建寂为变邋流预报、交遥控潮葵定了爱好

3、萋麓，其努一定瓣参考徐篷。美键灏；滋袋系统；交逶渡搂戮{游杂Petri耀；燮冀窭AbstractWiththedevelopmentoftheeconomics。therapidgrowthofhouseholdvehiclesamountmadgrowthofurbantransportationsystemsdemands，trafficproblembecomesmoreandmoreserious．Accuratetrafficflowforecastingandhighlyeffectivetrafficcontrolcansolvethisquestion

4、effectively．Theycanreducenotonlythecostofajourneyexecution，butalsotheenvironmentalpollution，economiclossbroughtbytrafficproblem．Trafficflowforecastingand圩affiCcontrolneedaccurateandeffectivetraffiemodelasfoundation．Traditionaltrafficflowmodelsarenottobeabletoadaptthesituationthattranspo

5、rtationsystemisgettingmoreandmorecomplex，andtheycannotfullyrepresentthehybridcharacteristicoftransportationsystem．Inthisthesis，hybridPetrinetwasappliedintransportationsystemmodelling．Inthisthesishybridcharacteristicsoftransportationsystemwasanalyzed，andtrafficflowmodellingusingHybridPet

6、riNetwasproposed，mainstudiescontentandresearchresultsareaSfollows：1．TramCflowsofsingleroadwasstudied．Therearetwokindsofroads：roadwithrampsandroadwithoutramps．EverysingleroadisdividedintoNsections，andtrafficat缀buteineverysectionare瞧esame。Andfortheroadwithrampsthereareonlyoneon-rampandone

7、off-ramp．Theninthisthesistwomodelswasintroduced：hybridPetrinetmodeloftrafficflowofsingleroadwithoutrampsandhybridPetrinetmodeloftrafficflowofsingleroadwithramps，finallyamodelparametermodifyalgorithmispresentedforthetwomodels．2．Two-phaseandfour-phasetrafficlightofintersectionwas