... Qi = P Qi P , i = 1, 2, 3, S j = P Sj P , j = 1, 2, 3, 4, R1 = P R1 P , R2 = P R2 P t rss ữ s Vi (t, xt ), t 0, V (t, xt ) = i=1 õ V1 (t, xt ) =xT (t)P x(t), t t e2(st) xT (s)Q1 x(s)ds + ... (t)[P (A + BK) + (A + BK)T P + 2P P + a2 F T F ]x(t) + d2 xT (t h(t))GT Gx(t h(t)) tử Vi (t, xt ), i = 2, 3, 4, t t ữủ V (t, xt ) 2V2 (t, xt ) + xT (t)[Q1 + Q2 ]x(t) e2h1 xT (t...