KERALA UNIVERSITY Class 6 control systems Question Paper 2013

Practice authentic previous year questions for better exam preparation.

Sample Questions

Define gain margin and phase margin
(i) Gain Margin (ii) Phase Margin (iii) Stability of the System. OR
Define observability of a system
(a) Determine the state observability of the system described by $$ \dot{x}=\left[\begin{array}{ccc} -3 & 1 & 1 \\ -1 & 0 & 1 \\ 0 & 0 & 1 \end{array}\right] x+\left[\begin{array}{ll} 0 & 1 \\ 0 & 0 \\ 2 & 1 \end{array}\right] u \quad \dot{y}=\left[...
(b) For a unity feedback system whose open loop transfer function is $$ G(s)=\frac{20(s+2)}{s(s+3)(s+4)} $$ Find the static error constants and the steady state error for $r(t)=3 u(t)+5 t u(t)$ constants.