Control Systems A unity feedback control system has an open loop transfer function G(s) = k/(s(s² + 7s + 12) The gain k for which s = -1 + j1 will lie on the root locus of the system is 6.5 10 5 4 6.5 10 5 4 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of an initally relaxed linear system is e-2tu(t). To produce a response of te-2tu(t), the input must be equal to e-tu(t). e-2tu(t). (0.5)e-2tu(t). 2e-tu(t). e-tu(t). e-2tu(t). (0.5)e-2tu(t). 2e-tu(t). ANSWER DOWNLOAD EXAMIANS APP
Control Systems Error at corner frequency ωcf of first order control system is ------- ±1 db ±2 db ±4 db ±3 db ±1 db ±2 db ±4 db ±3 db ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of phase lead compensator is given by , where, T > 0, α < 0. What is the maximum phase shift provided by this compensator? tan-1((1 - α)/(2√α) cos-1((1 - α)/(1 + α) both 1 and 3 sin-1((1 - α)/(1 + α) tan-1((1 - α)/(2√α) cos-1((1 - α)/(1 + α) both 1 and 3 sin-1((1 - α)/(1 + α) ANSWER DOWNLOAD EXAMIANS APP
Control Systems A linear time invariant system, initially at rest when subjected to a unit step input gave response c(t) = te-t (t ≥ 0). The transfer function of the system is s/(s+1)2 (s+1)2/s 1/s(s+1)2 s/(s+1) s/(s+1)2 (s+1)2/s 1/s(s+1)2 s/(s+1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The type of a control system is obtained from -------------- transfer function? both open loop and closed loop closed loop none of above. open loop both open loop and closed loop closed loop none of above. open loop ANSWER DOWNLOAD EXAMIANS APP
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