Control Systems A unity feedback control system has forward loop transfer function as e-Ts/s(s+1). Its phase value will be zero at frequency ω1. Which of the following equations should be satisfied by ω1? Tω1 = tan(ω1) Tω1 = cot(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) Tω1 = tan(ω1) Tω1 = cot(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function for unity feedback system is given by Find the steady state error for a ramp input of magnitude 10? 2 5 0 infinite 2 5 0 infinite ANSWER DOWNLOAD EXAMIANS APP
Control Systems The closed loop transfer function of a system is 25/(s² + 25). The settling time of the system is ∞ sec 5 sec 1 sec 25 sec ∞ sec 5 sec 1 sec 25 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems Electrical analogous quantity for spring element (K) in force-voltage analogy is L C 1/C R L C 1/C R ANSWER DOWNLOAD EXAMIANS APP
Control Systems If the transfer function of a phase lead compensator is (s+a)/(s+b) and that of a lag compensator is (s+p)/(s+q), then which one of the following sets of conditions must be satisfied? a > b, p < q a > b, p > q a < b, p >q a < b, p < q a > b, p < q a > b, p > q a < b, p >q a < b, p < q ANSWER DOWNLOAD EXAMIANS APP
Control Systems Consider the following statements for phase lead compensation: Phase lead compensation shifts the gain crossover frequency to the right The maximum phase lag occurs at the arithmetic mean of the two corner frequencies. both 1 and 2 nether 1 nor 2 Phase lead compensation shifts the gain crossover frequency to the right The maximum phase lag occurs at the arithmetic mean of the two corner frequencies. both 1 and 2 nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
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