Control Systems What is the open loop DC gain of a unity feedback control system having closed loop transfer function as 4/13 13/4 4/9 9/4 4/13 13/4 4/9 9/4 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following controller has sluggish response? derivative controller both 2 and 3 proportional controller integral controller derivative controller both 2 and 3 proportional controller integral controller 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? cos-1((1 - α)/(1 + α) tan-1((1 - α)/(2√α) both 1 and 3 sin-1((1 - α)/(1 + α) cos-1((1 - α)/(1 + α) tan-1((1 - α)/(2√α) both 1 and 3 sin-1((1 - α)/(1 + α) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Certain control system has input u(t) and output c(t). If the input is first passed through a block having transfer function e-s and unit gain is applied to the applied to the system. The modified output will be c(t-1).u(t) c(t)u(t) c(t).u(t-1) c(t-1).u(t-1) c(t-1).u(t) c(t)u(t) c(t).u(t-1) c(t-1).u(t-1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the conditions for the system to be stable? Gain margin is positive but phase margin is negative Gain margin and phase margins are negative Gain margin is negative but phase margin is positive Gain margin and phase margins are positive Gain margin is positive but phase margin is negative Gain margin and phase margins are negative Gain margin is negative but phase margin is positive Gain margin and phase margins are positive ANSWER DOWNLOAD EXAMIANS APP
Control Systems An open loop control system, represented by the transfer function G ( s ) = ( s - 1 ) / ( s + 2 )( s + 3 ), is stable and of the minimum phase type. unstable and of the minimum phase type. stable and of the non-minimum phase type. unstable and of the non minimum phase type . stable and of the minimum phase type. unstable and of the minimum phase type. stable and of the non-minimum phase type. unstable and of the non minimum phase type . ANSWER DOWNLOAD EXAMIANS APP