Control Systems Which of the following is/are the characteristics of negative feedback control system? Rejection of disturbance signals Reduction in gain at the expense of better stability All of these Low sensitivity to parameter variations Rejection of disturbance signals Reduction in gain at the expense of better stability All of these Low sensitivity to parameter variations 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? sin-1((1 - α)/(1 + α) both 1 and 3 tan-1((1 - α)/(2√α) cos-1((1 - α)/(1 + α) sin-1((1 - α)/(1 + α) both 1 and 3 tan-1((1 - α)/(2√α) cos-1((1 - α)/(1 + α) ANSWER DOWNLOAD EXAMIANS APP
Control Systems At which frequency does the Bode magnitude plots for the functions K/S2 have gain crossover frequency ω = 0 rad/sec. ω = K rad/sec. ω = √K rad/sec. ω = K2 rad/sec. ω = 0 rad/sec. ω = K rad/sec. ω = √K rad/sec. ω = K2 rad/sec. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its closed loop transfer function is (2s+2)/s² (2s+1)/s² (2s+1)/(s+1)² (2s+2)/(s+1)² (2s+2)/s² (2s+1)/s² (2s+1)/(s+1)² (2s+2)/(s+1)² ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time constant is defined as the time taken by the response of the system to reach ----------- ? 70.7% of the final value 50% of the final value 100% of the final value 63% of the final value 70.7% of the final value 50% of the final value 100% of the final value 63% of the final value ANSWER DOWNLOAD EXAMIANS APP
Control Systems With regard to filtering property, the lead compensator is bandpass filter low pass filter high pass filter band reject filter bandpass filter low pass filter high pass filter band reject filter ANSWER DOWNLOAD EXAMIANS APP
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