Control Systems Time response for a second order control system depends on value of ξ. If ξ>1 then the system is called as under damped system. over damped system. critically damped system. undamped system . under damped system. over damped system. critically damped system. undamped system . ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system has poles at 0.01 Hz, 1 Hz and 80 Hz; zeros at 5 Hz, 100 Hz and 200 Hz. The approximate phase of the system response at 20 Hz is -90° 90° 180° -180° -90° 90° 180° -180° ANSWER DOWNLOAD EXAMIANS APP
Control Systems A proportional plus derivative controller both 1 and 2 increases the stability of the system has high sensitivity improves the steady state accuracy both 1 and 2 increases the stability of the system has high sensitivity improves the steady state accuracy ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If gain k is increased to infinity, then damping ratio will tend to become 0.707 zero unity infinite 0.707 zero unity infinite ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function for unity feedback system is given by 5(1+0.1s) / (s(1+5s)(1+20s)) Find the steady state error for a step input of magnitude 10 is equal to 5. infinite. zero. 2. 5. infinite. zero. 2. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system is stable for (where GM = Gain Margin and PM = Phase Margin): GM and PM both +ve. GM -ve. PM - ve. GM and PM both -ve. GM and PM both +ve. GM -ve. PM - ve. GM and PM both -ve. ANSWER DOWNLOAD EXAMIANS APP
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