简介:Inthispaper,westudytheglobalasymptotiestabilityofthezerosolutionofageneralizedLienard'ssystem{x^.=φ(y)y^.=-f(x)φ(y)-g(x)byconstructinganewLiapunovfunction.Thesufficientandneoessaryconditionsforglobalasymptoticstabilityundergivenconditionsareobtained.