The addition of a zero to system c0=1-1+a5a=2)esin(o.V-5+ga51- a5V1-52 a2-1 Closed loop zero: Affect the magnitude and phase angle of the transient response. Does not affect decay ratio,damping ratio and the frequency >The response curve is determined by closed-loop poles. >Detailed shape is by closed-loop poles and zeros.Closed loop zero: Affect the magnitude and phase angle of the transient response. Does not affect decay ratio, damping ratio and the frequency The response curve is determined by closed-loop poles. Detailed shape is by closed-loop poles and zeros. ) 1 1 sin( 1 1 1 ( 2) ( ) 1 2 2 2 1 2 2                    a a e t tg a a a c t n t n The addition of a zero to system