y=1800-90-arcg44=128° 450-1280+(50~100)=3720~4220 1+sin40°1.64 qm=40°, 4.6 1-sin40°0.36 0.106(s) 4.4√4.6 aT=4.6×0.106=0.486T=0.106 设计超前校正装置为: 0.486s+ G(s)= 0.106s+1 放器增益再提高46倍,抵消校正网络的衰减2021/2/23 9 o o o  =180 −90 −arctg4.4 =12.8 o o o o o o  m = 45 −12.8 +(5 ~10 ) = 37.2 ~ 42.2 4.6 0.36 1.64 1 sin 40 1 sin 40 40 , = = − + = = o o o  m a 0.106 ( ) 4.4 4.6 1 1 , '' 1 s a T T a m c = m = = = =    aT = 4.60.106 = 0.486, T = 0.1060.106 1 0.486 1 ( ) + + = s s G s c 放大器增益再提高4.6倍，抵消校正网络的衰减。 设计超前校正装置为：