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 cos-1((1 - α)/(1 + α) tan-1((1 - α)/(2√α) sin-1((1 - α)/(1 + α) both 1 and 3 cos-1((1 - α)/(1 + α) tan-1((1 - α)/(2√α) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a system is G(s) = 100/((s+1)(s+100)). For unit step input to the system the approximate settling time for 2% criterion is 4 sec 10 sec 100 sec 400 sec 4 sec 10 sec 100 sec 400 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems A proportional plus derivative controller improves the steady state accuracy has high sensitivity increases the stability of the system both 1 and 2 improves the steady state accuracy has high sensitivity increases the stability of the system both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of a linear system is e-t, (t > 0). The corresponding transfer function is 1/s(s+1) s/(s+1) 1/s 1/(s+1) 1/s(s+1) s/(s+1) 1/s 1/(s+1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems In frequency response analysis of second order system, the error at corner frequency is -10 logξ 20 log2ξ -20 log2ξ 10 logξ -10 logξ 20 log2ξ -20 log2ξ 10 logξ ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of non unity negative feedback system is , then the number of root locus branches equal to 2. 3. 1. 0. 2. 3. 1. 0. ANSWER DOWNLOAD EXAMIANS APP
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