磁流變沖擊緩沖器的結(jié)構(gòu)設(shè)計與模糊控制研究.pdf

1、南京理工大學(xué)碩士學(xué)位論文磁流變沖擊緩沖器的結(jié)構(gòu)設(shè)計與模糊控制研究姓名：滕昱棠申請學(xué)位級別：碩士專業(yè)：機械電子工程指導(dǎo)教師：王炅20060626湊索理下大學(xué)綬’擘枝德交皴藏蹙緩沖囂的螺搗蹬磚’j摸瑚扣剡麟寵AbstractInmanymachineryandconstructionsystems，thehighimpactloadwidelyexistsBecauseoftheshorttimeandhugeforce，theimpact

2、loadcaneasilybringtheequipmentsandconstructionstovibrate，fatigue，eveninvalidationDuetothecharactersofIOWpowerrequirement，rapidresponseandlargeforce，theMRdamperhaveshownto醅onekindofidealimpactabsorberInthisdissertation，MR

3、damperisappliedastheshockabsorberunderimpactloadAndtohavegoodperformanceinthisapplication，notonlythestructureandparametersofMRdamperpistonbutalsothecontrolalgorithmareresearchedFirstly，themodelofMRdamperisdevdlopedbasedo

4、ntheBinghamandtheHerschelBulkleymodeloftheMRfluid，individuallyAndwiththeBinghammodel，aseriesoflong—scaleMRdampersaredesignedtoapplyintheimpactmitigation。SecondlytheMRdampermodeJissimulatedintheSimulinkbothwithconstantcon

5、trolcurrentanddifferentcontrolalgorithmstoconfirmthepracticabilityoftheapplicationofMRdamperunderimpactload，ThesecontrolalgorithmsincludePIcontrol，fuzzycontrol，fuzzyPlcontrolandvariableuniversefuzzycontrol，Theeffectofthe

6、secontrolalgorithmsarecomparedMeanwhile，theinfluenceofsystemdelayanduncertaintytodifferentalgorithmareanalyzed?！疐inallyconsideringsomeproblemsintheresultsofcontrolsimulation，theinfluencesofthestructureparameterstothecont