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? ω1 = tan(Tω1) Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = cot(Tω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The initial slope of Bode plot for a transfer function having no poles at the origin is +10dB/decade. -20dB/decade. 0 dB/decade -10dB/decade. +10dB/decade. -20dB/decade. 0 dB/decade -10dB/decade. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A linear time invariant system has an impulse response e2t for t > 0 . If initial condition are 0 and input is e3t, the output for t > 0 is e5t. e2t - e3t. e2t + e3t. e3t - e2t. e5t. e2t - e3t. e2t + e3t. e3t - e2t. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A function of one or more variables which conveys information about the nature of physical phenomenon is called system. interference. noise. signal. system. interference. noise. signal. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order control system is defined by the following equation: 4 d²c(t)/dt² + 8 dc(t)/dt + 16 c(t) = 16 u(t) The damping ratio and natural frequency for this system are respectively 0.50 and 4 rad/s 0.25 and 2 rad/s 0.25 and 4 rad/s 0.50 and 2 rad/s 0.50 and 4 rad/s 0.25 and 2 rad/s 0.25 and 4 rad/s 0.50 and 2 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems A negative feedback closed loop control system is supplied to an input of 5 volt. The system has a forward gain of 1 and a feedback gain of 1. What is the output voltage? 2.0 Volt. 1.0 Volt. 2.5 Volt. 1.5 Volt. 2.0 Volt. 1.0 Volt. 2.5 Volt. 1.5 Volt. ANSWER DOWNLOAD EXAMIANS APP