Abstract
Semi-trailertanktrucks,asacommonmeansoftransportationofdangerous
chemicals,aremorepronetorolloverdangerthanothervehiclesduetotheirhighercenter
ofmassandlargerloadcapacity,leadingtomoreserioussecondarydangerousaccidents,
suchashazardouschemicalsleakage,burningandexplosionoftheproduct.Therefore,
studyingthecouplingcharacteristicsofthevehicledynamicsofthesemi-trailertanker
withhazardouschemicalsandthesloshingoftheliquidinthetank,andestablishingan
anti-rollovercontrolsystem,therebyimprovingitsdrivingstability,playsanimportant
roleinensuringthesafetyofpeopleslivesandproperties.
Thisthesishascarriedoutthefollowingresearchworkontheanti-rolloverstability
ofthesemi-trailerhazardouschemicaltanker:
(1)Analyzedthekinematicscharacteristicsofthesemi-trailerhazardouschemical
tanker,andestablishedareferencemodelofaseven-degree-of-freedomvehiclebasedon
MATLAB/Simulinkaccordingtotheresearchcontent;thevehiclemodelwasdesigned
usingTrucksim,andthentheaccuracyofthereferencemodelwassimulatedand
comparedandverified;theresultsshowthattheestablishedreferencemodelcan
accuratelycharacterizethebasicmotioncharacteristicsofthevehicle,andcanbeusedas
areferencemodelforsubsequentstudiesontheanti-rolloverstabilityofsemi-trailertank
truckswithhazardouschemicals.
(2)Throughtheanalysisoftheliquidmovementcharacteristicsinthesemi-trailer
cargocompartment,anequivalentpendulummodelforsimulatingliquidsloshingwas
establishedandmodeledinSimulink;thefluiddynamicscharacteristicsoftheliquidin
thetankwereanalyzed,thefluid-filledsystemwasnumericallymodeledusingFluent
software,andtheaccuracyoftheequivalentsimplependulummodelwasv