Control Systems When the system gain is doubled the gain margin becomes? 2 times Remains unaffected None of these 1/2 times 2 times Remains unaffected None of these 1/2 times ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the characteristics of negative feedback control system? Low sensitivity to parameter variations Reduction in gain at the expense of better stability All of these Rejection of disturbance signals Low sensitivity to parameter variations Reduction in gain at the expense of better stability All of these Rejection of disturbance signals ANSWER DOWNLOAD EXAMIANS APP
Control Systems Consider the function F(s) = ω/(s²+ω²). Where F(s) = Laplace transform of f(t). The final value of f(t) is equal to a value between -1 and +1 finite constant zero infinite a value between -1 and +1 finite constant zero infinite 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 + s + 2) 1/(s² + 3s + 2) 2/(s² + 3s + 2) 1/(s² + s + 2) 2/(s² + s + 2) 1/(s² + 3s + 2) 2/(s² + 3s + 2) 1/(s² + s + 2) ANSWER DOWNLOAD EXAMIANS APP
Control Systems A controller transfer function is given by . What is its nature and parameter? lead compensator, α = 0.2 lag compensator, β = 10 lag compensator, β = 2 lead compensator, α = 0.1 lead compensator, α = 0.2 lag compensator, β = 10 lag compensator, β = 2 lead compensator, α = 0.1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A control system has open loop transfer function G(s) = k/(s(s + 2). Find the break away point? 2 1 -2 -1 2 1 -2 -1 ANSWER DOWNLOAD EXAMIANS APP