Basic factors of the Control System K(红，s+1)(s+25s+)u+2n=m G(S)= 1=1 k=1 ,n≥m sΠ(T,s+1)Π(Ts2+25,Ts+ )(w+p+2o=n i=l j=1 Gain K(放大环节) First-order factor(惯性环节) K(joT,+1o)t+25(j@)+1D G(j0)= 1=1 k=1 (jo)(joT,+DIHi@)T+24,T(jo)+1 i=1 j=1 Integral factor 1/jo(积分环节) Quadratic factors(振荡环节)Basic factors of the Control System                                 1 1 2 2 1 1 2 2 ( ) ( 1 ) [( ) 2 ( ) 1 ] ( 1 ) [( ) 2 ( ) 1 ] ( ) i j i j j j l k l k k k j j T j T T j K j j j G j Integral factor 1/j 积分环节  Gain K (放大环节 ) First-order factor (惯性环节 ) Quadratic factors (振荡环节 ) 2 2 1 1 2 2 1 1 ( 1) ( 2 1) 2 () ; ; 2 ( 1) ( 2 1) l k kk l k i j jj i j Ks s s m Gs n m n s Ts T s T s                                  