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 0.25 and 2 rad/s 0.50 and 2 rad/s 0.25 and 4 rad/s 0.50 and 4 rad/s 0.25 and 2 rad/s 0.50 and 2 rad/s 0.25 and 4 rad/s 0.50 and 4 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems A open loop transfer function is given as G(s) = (s+2)/(s+1)(s-1). Find the number of encirclements about '-1+j0'? 1 0 3 2 1 0 3 2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is the electrical analogous element for displacement in force-voltage analogy? Flux. Current. Voltage. Charge. Flux. Current. Voltage. Charge. ANSWER DOWNLOAD EXAMIANS APP
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) ω1 = cot(Tω1) Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = tan(Tω1) ω1 = cot(Tω1) Tω1 = cot(ω1) Tω1 = tan(ω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems In signal flow graph output node is node having only------------ incoming branches None of these outgoing branches both 1 and 2 incoming branches None of these outgoing branches both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The type of a control system is obtained from -------------- transfer function? closed loop none of above. open loop both open loop and closed loop closed loop none of above. open loop both open loop and closed loop ANSWER DOWNLOAD EXAMIANS APP
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