Control Systems For a second order under damped system subjected to unit step input the time response has first peak value to be 4 times the second over shoot. Determine the damping ratio ξ ? 0.07 0.087 0.707 0.87 0.07 0.087 0.707 0.87 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A control system has open loop transfer function . Break away point is lies between -4 and -6. any of the above. 0 and -4. 0 and 4. -4 and -6. any of the above. 0 and -4. 0 and 4. 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 Which of the following represents the value of resonant frequency (ωr)? (ωn) √(1-ζ²) (ωn) √(1-ζ²/2) (ωn) √(1-2ζ²) 2*(ωn) √(1-ζ²) (ωn) √(1-ζ²) (ωn) √(1-ζ²/2) (ωn) √(1-2ζ²) 2*(ωn) √(1-ζ²) ANSWER DOWNLOAD EXAMIANS APP
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 A lead compensator used for a closed loop controller has the following transfer function For such a lead compensator b < a. a > kb. a < b. a < kb. b < a. a > kb. a < b. a < kb. ANSWER DOWNLOAD EXAMIANS APP
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