Control Systems A unity feedback control system has forward loop transfer function as e-Ts/s(s+1). Its phase value will be zero at frequency ω1. Which of the following equations should be satisfied by ω1? Tω1 = tan(ω1) Tω1 = cot(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) Tω1 = tan(ω1) Tω1 = cot(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are represents the lag compensator? both 1 and 2 (s+5)/(s+6) (s+2)/(s+5) (s+2)/(s+1) both 1 and 2 (s+5)/(s+6) (s+2)/(s+5) (s+2)/(s+1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the type of the system given by 2. 1. 4. 3. 2. 1. 4. 3. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The steady state error due to ramp input for a type two system is equal to infinite. zero. non zero number. constant. infinite. zero. non zero number. constant. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the characteristics of negative feedback control system? Reduction in gain at the expense of better stability Rejection of disturbance signals All of these Low sensitivity to parameter variations Reduction in gain at the expense of better stability Rejection of disturbance signals All of these Low sensitivity to parameter variations ANSWER DOWNLOAD EXAMIANS APP
Control Systems Given a unity feedback system with G(s) = k/s(s+4), the value of k for damping ratio of 0.5 is 64 4 1 16 64 4 1 16 ANSWER DOWNLOAD EXAMIANS APP