Control Systems The phase margin of a system having the loop transfer function G(s)H(s) = 2√3/s(s+1) is 60° 80° 45° 30° 60° 80° 45° 30° ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a feedback control is 2s4 + s3 + 3s2 + 5s + 10 = 0. The no of roots in the right half of the s-plane is 3. 4. 2. 0. 3. 4. 2. 0. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following transfer functions represent under damped second order systems? 1/(s² + s + 1) 4/(s² + 2s + 4) All of these 2/(s² + 2s + 2) 1/(s² + s + 1) 4/(s² + 2s + 4) All of these 2/(s² + 2s + 2) ANSWER DOWNLOAD EXAMIANS APP
Control Systems An open loop control system, represented by the transfer function G ( s ) = ( s - 1 ) / ( s + 2 )( s + 3 ), is stable and of the minimum phase type. unstable and of the minimum phase type. unstable and of the non minimum phase type . stable and of the non-minimum phase type. stable and of the minimum phase type. unstable and of the minimum phase type. unstable and of the non minimum phase type . stable and of the non-minimum phase type. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a control system is given below: The system is critical stable stable unstable marginally stable critical stable stable unstable marginally stable 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? 1/(s² + s + 2) 2/(s² + 3s + 2) 2/(s² + s + 2) 1/(s² + 3s + 2) 1/(s² + s + 2) 2/(s² + 3s + 2) 2/(s² + s + 2) 1/(s² + 3s + 2) ANSWER DOWNLOAD EXAMIANS APP