系统的稳定性和代数稳定判据
二、线性统稳定系的充条件要设闭环系 统的传函数C(s)递bmsm +m1bsm1 + +bs +b B(s)0 Φ1s( ) = = = nn 1(R) ans s+ n1sa++ a1 + as0D s()(m ≤ n )令p 系为特征统程) 方 0= (Ds ,, , (i =i 12 n)而 R( ) =s1 彼此 等不干扰为理。脉冲函数想：C ()s=k
的根,B( ) s(Bs) R( s) =D( )s D (s)则
αr js +β cji =∑ ∑ j +=1 (sσ j+ j ωj ) (σs j jω j ) =i1 s pi
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k+ 2 r=n ct() = ∑ i cei =1
k
pi t ∑+ej=1 r
σ jt
( A joc ωs j t+ B j s n i ω jt )
(t≥ )0