ex8_1.m

反馈控制系统设计与分析（matlab程序）

A=[-0.02,0.005,2.4,-32; -0.14,0.44,-1.3,-30; 0,0.018,-1.6,1.2; 0,0,1,0];
B=[0.14; 0.36; 0.35; 0]; G=[-0.12; -0.86; 0.009; 0]; C=[0,1,0,0];
G=ss(A,[B,G],C,[0,0]);
Xi=1e-3; Theta=1e-7; 
[K_Sys,L,Pf]=kalman(G,Xi,Theta); L, Pf