简介：BasedontheFloquettheoryonordinarydifferentialequationswithperiodicallyvariablecoefficientsandthebifurcationapproachtononlinearequations,anumericalapproachtodeterminingthestabilityregionofcontrolparametersisestablishedforadynamiccontrolsystemcomposedofamovingbodylevitatedmagneticallyoverflexibleguideways.Thesystemisnonlinearlycoupledamongtheelasticdeformationofguideways,disturbancethelevitationpositionofthebodyandelectromagneticcontrolforces.Thenumericalsimulationisgivenforthesysteminthecaseinwhichthecontrolparametersaretakenwithinandoutofthestabilityregionrespectively.Resultsshowthatthisapproachisreliable.

简介：603盔甲钢的塑料行为以从288K从0.001s1到4500s1，和温度到873K的紧张率被学习。强调在流动应力上被放在温度，紧张率，和塑料紧张的效果上。基于试验性的结果，JC和KHL模型被用来模仿这材料的流动应力。由比较，模型预言和紧张率的试验性的结果跳测试，KHL模型被显示在为这材料装载条件的建筑群下面有塑料行为的更好的预言，特别在动态区域。