Control Systems - Stability
GATE Electrical Engineering · 3 questions across 2 years (2018-2019) · 5% recurrence rate
Recurrence sparkline
2018–201920182019
Difficulty mix
med 67%
hard 33%
Question types
MCQ2
NAT1
All 3 questions on Control Systems - Stability
2019 Q15
The characteristic equation of a linear time-invariant (LTI) system is given by $\Delta(s) = s^4 + 3s^3 + 3s^2 + s + k = 0$. The system is BIBO stable if
Med
2018 Q11
A closed loop system has the characteristic equation given by s³ + Ks² + (K+2)s + 3 = 0. For this system to be stable, which one of the following conditions should be satisfied?
Med✓
2018 Q22
Consider the unity feedback control system shown. The value of K that results in a phase margin of the system to be 30° is ______. (Give the answer up to two decimal places.)
Hard✓📊