輥壓機(jī)液壓系統(tǒng)建模與主控蓄能器研究.pdf

1、華中科技大學(xué)碩士學(xué)位論文輥壓機(jī)液壓系統(tǒng)建模與主控蓄能器研究姓名：柯尊榮申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：機(jī)械電子工程指導(dǎo)教師：朱玉泉李寶仁20030606攀中辯技大學(xué)碩士學(xué)位論文_II目__IIIITII“II111__Ij==自=___∞≈《∞__#=l_I目___∞_目_；=；；=iAbs仃actAs8newgrindingequipment，grindingrollercandrasticallyred靴econsumedenergyand

2、鑫|tiresametimegreatlypromoteproductivityAlargeanaountofmaterials(suchaSprocessedcement)need協(xié)becrushedinmanyindustriesespecially血architecturalindustriesOntheotherhand，thosematerials蜘ouldbecrushedefficientlyaccordingtothes

3、ustainingdevelopmentstratagemwhichhasbeenputinpracticeinourcountrySo嘶dingrelierhasbeenusedwidespreadinChinaGenerallyin鑫hydraulicsystemacoumulatorisused$sartauxiliarycomponenttoStOl七chert)酶∞南vibrationandpressureimpulsecom

4、pensateleakageandSOOn。But攮grindingroller’shydraulicsystem，accumulatoriSakeycontrollingcomponentwhichearldirectlycontrollgrindingreUer’8performancebya“passiveloading”wayThedynamiccharacteristicsofthegrir嗵rollershydraulics

5、ystemafemainlydecidedbythecontrollingaccumulator‰andevens。arethewholegrindingrollersThereforeitsverymeaningfultesearchthedynamiccharacteristicsofgrindingrollershydraulicsystemanditscontrollingaccumulatorFirstbasedOilthea

6、nalyseofthechangingprocessofthegasinthebladderofthecontrollingaccumulatorthisarticleUSeSNewton’Slawsofpower仞successfullybuildanonlinearmathematicalmod鼯lforgrindingto|letshydraulicsysymnandthesystemscontrellingaccumulator

7、respectivelythenresearchestheirdynamiccharacteristicsbycomputerdigitalsimulationanddiscussessomerelatedparameterswhichcanaffecttheperformanceofthesystemandtheaccumulatorSecondlytovalidatethecontrollingaccumulatorsmathema

8、tic蠱lmodelanexperimentplatformisdesignedandbuiltandtherelatedexperimentsareprocessedOntheplatform。ThenbasedontheanalyseoftheexperimentalandtheoreticdatathisarticlesaysthatthemodelisperfectlycorrectAtlastmoreaccuratemathe

9、maticalmodelofthegrindingroller’shydraulicsystemisbuiltbasedorlthecontrollingaccumulator’smodelComputorsimulationforthemathematicalmodelofthe爨ndingro]tershydraulicsystemisprocessedandtbere“sultsofthesimulationareanalyzed