Control Systems A system is stable for (where GM = Gain Margin and PM = Phase Margin): GM -ve. PM - ve. GM and PM both -ve. GM and PM both +ve. GM -ve. PM - ve. GM and PM both -ve. GM and PM both +ve. ANSWER DOWNLOAD EXAMIANS APP
Control Systems When writing a transfer function which of the following loops are not valid loops? Self loops at output node. Both 1 and 2. Neither 1 nor 2. Self loops at input node. Self loops at output node. Both 1 and 2. Neither 1 nor 2. Self loops at input node. 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? -1 -2 1 2 -1 -2 1 2 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) 1/(s² + 3s + 2) 2/(s² + 3s + 2) 2/(s² + s + 2) 1/(s² + s + 2) 1/(s² + 3s + 2) 2/(s² + 3s + 2) 2/(s² + s + 2) ANSWER DOWNLOAD EXAMIANS APP
Control Systems If the magnitude of G(jω)H(jω) at phase crossover frequency is 0.5. Find the gain margin of the given system? 2 1 4 0.5 2 1 4 0.5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are represents the lag compensator? (s+5)/(s+6) (s+2)/(s+1) (s+2)/(s+5) both 1 and 2 (s+5)/(s+6) (s+2)/(s+1) (s+2)/(s+5) both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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