重型車輛液壓自動(dòng)調(diào)平模糊PID控制研究.pdf

1、武漢理工大學(xué)碩士學(xué)位論文重型車輛液壓自動(dòng)調(diào)平模糊PID控制研究姓名：汪偉申請學(xué)位級(jí)別：碩士專業(yè)：物流技術(shù)與裝備指導(dǎo)教師：吳洪明20090401武漢理工大學(xué)碩士學(xué)位論文ABSTRACTWiththedevelopingofchineseeconomy，moreandmoregreatprojectsarcappeardIntheseprojects，therealelotsofheavyhuge，andlargeobjectstobetr

2、ansportedwhilethetechnology&equipmentoflogisticisdevelopingrapidlyheavydutytransporteristhebesttooltotransporttheseobjectsthesafetyofthetransitisveryimportanttheplaneofthetransportershouldbelevelwhentheheavydutytransport

3、erisworkingbuttheconditionofheavydutytransporterisverybadandtheplaneCan’tbeleveledbyworkerrealtimetheheavydutytransportershouldbewithaautomaticlevelingsystem，inordertoadjustthetransporterplanetomakeshuretheplaneislevdThi

4、spaperisfocuson(1)introducethestructureofheavydutytransporterandthedomestic&ovasealevelingsystemofheavydutytransporterExpoundtheworkingconditionofheavydutytransporter(2)comparesomelevelingstrategies，anddecidetOchoose4poi

5、ntslevelingstrategythenanalysethetwolevelingstrategies(displacementlevelingstrategyandanglelevelingstrategy)，andchooseonestrategywhichisfitfortheheavydutytransporterlevelingbasedonthehydraulictransmitionsystemofthewholev

6、ehicle，researchonthesuspensionof1／4vehicle，andcalculatetilefunctionofsuspensionwhichisvalvecontrolunsymmetrycylinderbythewayanalyseone175theavydutytransporterandanalysethetraditionalpidcontrolstrategywhichisnotfitfortheh

7、eavytransporterleveling(3)comparefuzzypidwithtraditionpid，andadoptfuzzypidcontrolstrategyintroducethewayhowtobuildthefuzzypidcontroller，inordertoadjustthekpkj，kdonline(4)makeone175theavdutytransporterasallexampleadoptthe