Control Systems A system is stable for (where GM = Gain Margin and PM = Phase Margin): GM -ve. GM and PM both -ve. PM - ve. GM and PM both +ve. GM -ve. GM and PM both -ve. PM - ve. GM and PM both +ve. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which one of the following is the steady state error for a step input applied to a unity feedback system with the open loop transfer function G(s) = 10/(s²+14s+50)? 0.83 0 1 infinite 0.83 0 1 infinite ANSWER DOWNLOAD EXAMIANS APP
Control Systems For a unity feedback control system open loop transfer function then position error constant is 20. infinity. 40. 0. 20. infinity. 40. 0. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The input-output relationship of a linear time invariant continuous time system is given by r(t) = d²c(t)/dt² + 3 dc(t)/dt + 2 c(t) Where r(t) and c(t) are input and output respectively. What is the transfer function of the system equal to? 2/(s² + 3s + 2) 1/(s² + s + 2) 2/(s² + s + 2) 1/(s² + 3s + 2) 2/(s² + 3s + 2) 1/(s² + s + 2) 2/(s² + s + 2) 1/(s² + 3s + 2) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Negative feedback in a closed loop control system reduces gain. improves disturbance rejection. All of these reduces sensitivity to parameter variation. reduces gain. improves disturbance rejection. All of these reduces sensitivity to parameter variation. 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 the gain k is increased to infinity, then damping ratio will tend to become unity infinite 0.707 zero unity infinite 0.707 zero ANSWER DOWNLOAD EXAMIANS APP