Control Systems Engineering Exam Reference Manual ⏰ 💯

| Metric | Formula | |--------|---------| | Peak time ( T_p ) | ( \frac\pi\omega_n\sqrt1-\zeta^2 ) | | Percent overshoot ( %OS ) | ( 100 e^-\pi\zeta / \sqrt1-\zeta^2 ) | | Settling time (2%) | ( \frac4\zeta\omega_n ) | | Settling time (5%) | ( \frac3\zeta\omega_n ) | | Rise time (0–100%) | ( \frac1.8\omega_n ) (approx, for ( \zeta \approx 0.5 )) | Ideal (parallel) : [ G_c(s) = K_p + \fracK_is + K_d s ]

: [ G(s) = C(sI - A)^-1B + D ]

:

(for unity feedback, ( H(s)=1 )):