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Frequency analysis based on the signal feed forward fuzzy control isolation system

Optimal passive vibration isolation system. References 1 LIU Ji , Limin Xia . Structure Control of Active Variable Stiffness . Vibration Engineering , 1999; 12 (2) :166-1722GavinHp. HansonRD,[link widoczny dla zalogowanych], FiliskoFE. Electrorhe-ologicaldampers. partIand Ⅱ: Analysisanddesign. AEJournalofAppliedMechanics. 1996; 63:669-6753JasonL, NormanMW. Analysisandtestingofelec-trorheologicalbypassdampers. JournalofIntelligentMaterialSystemsandStructures. 1999:10:363-3764LinYJ. LuYQ. Fuzzylogiccontrolofvehiclesuspen-sionsystems. Int. J. ofVehicleDesign,[link widoczny dla zalogowanych], 1993; 14 (5) :457-4705YoshimuraT. Asemi-activesuspensionofpassengercarsusingfuzzyreasoningandthefieldtesting. Int. J. ofVehicleDesign, 1998; 19 (2): 15O a 166SignalFrequencyBasedFeedForwardFuzzyControllerforVibrationIsolationSystemSunTaoHuangZhenyuChenDayueTangLei (DepartmentofInstrumentationEngineering, ShanghaiJiaotongUniversityShanghai,[link widoczny dla zalogowanych], 200030) AbstractAccordingtothebehaviorsoftheERdamper,[link widoczny dla zalogowanych], flnewkindoffeedforwardcontrolschemewithfuzzycontroller, whichiasedontheidentificationofsignalSmainfrequency. isproposedtocontrolthesemi-activevibrationisolationsys-tem. ThismethodusesthefuzzycontrollertoachievethebestisolationeffectbyanalyzingthemainfrequencySfeaturesoftheexcitationsignal. suchastheamplitudeandtheposition. Theinputofthefuzzycontrolleristhefeaturesofthemainfre-quencyandthefrequencyseffectcoefficientistheoutput. Itindicatesthattheproposedcontrolmethodisveryeffectiveinthesemi-activevibrationisolationsystemthantheoptimalpassivesystemthroughthesimulationresult. Keywords {fuzzycontroltheory; semi-activesystem; ERdamper; frequencyidentification Sun Taonan first author ,[link widoczny dla zalogowanych], doctoral student. February 1976 students. Phone : (021) 62933718; E-mail: suntao @ sjtu. edu. cn5432lO children

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