OALib Journal期刊
惯性导航中转位控制系统的自适应控制
Keywords: 转位控制系统 ,动态面 ,Backstepping
Abstract:
针对未知非线性、外界干扰和参数摄动等不确定性因素对惯性导航中转位控制系统的影响,采用Backstepping方法对转位系统进行控制.通过引入动态面技术(dynamicsurfacecontrol,DSC)降低Backstepping方法设计控制器的复杂度,利用Lyapunov稳定性分析,证明了设计后的闭环系统半全局渐近稳定.仿真结果表明,当外部干扰存在非线性和不确定性时,作者所设计的控制器表现出良好的自适应性和鲁棒性,稳态精度满足惯性导航系统多位置初始对准的使用要求.
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