简介:Inthispaper,theprincipleofH∞filteringisdiscussedandH∞filterisconstructed,whichisusedintheinitialalignmentofthestrapdowninertialnavigationsystems(SINS).TheerrormodelofSINSisderived.ByutilizingconstructedH∞filter,thefilteringcalculationtothatsystemhasbeenconducted.Thesimulationresultsofthemisalignmentanglearegivenundertheconditionofunknownnoises.TheresultsshowthattheprocessofalignmentwithH∞filterismuchfasterandwithexcellentrobustness.
简介:基于随机微分博弈Markov跳变线性系统,利用微分博弈理论讨论其H∞鲁棒控制问题.将随机Markov跳变线性系统的H∞鲁棒控制问题转化为相应的零和博弈模型,在此基础上,利用鞍点均衡理论,得到了其鲁棒控制存在的充分条件等价于相应的差分Rcati方程存在解,并给出了最优控制策略.