摘要
Thefinitetimetrackingproblemisconsideredforroboticmanipulatorswithunknowndynamicfriction,boundeddisturbancesandunmodeleddynamics.Aglobalrelayswitchingcontrolschemewithfinitetimeconvergenceisproposed.Forgeneralfinitetimevariablestructurecontroller,thecontrolsignalsmayescapetoinfiniteinfinitetimewhentheinitialstatesofthesystemareinsomespecifiedarea,causingthesingularityphenomenaoftheclosed-loopsystem.Thedesignschemeforfinitetimetrackingcontrolusesatwo-phaseswitchingcontrolmethodsothattheboundednessofthecontrolsignalisguaranteedandthesingularityphenomenaisavoided.
出版日期
2005年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)