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) ω1 = cot(Tω1) Tω1 = cot(ω1) ω1 = tan(Tω1) Tω1 = tan(ω1) ω1 = cot(Tω1) Tω1 = cot(ω1) ω1 = tan(Tω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Force balancing equation of a mass element is (where, x = displacement) M dx/dt M d2x/dt2 M *x any of the above M dx/dt M d2x/dt2 M *x any of the above 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 1/s(s+1)2 s/(s+1) (s+1)2/s s/(s+1)2 1/s(s+1)2 s/(s+1) (s+1)2/s s/(s+1)2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The input-output relationship of a linear time invariant continuous time system is given by r(t) = d²c(t)/dt² + 3 dc(t)/dt + 2 c(t) Where r(t) and c(t) are input and output respectively. What is the transfer function of the system equal to? 2/(s² + 3s + 2) 2/(s² + s + 2) 1/(s² + s + 2) 1/(s² + 3s + 2) 2/(s² + 3s + 2) 2/(s² + s + 2) 1/(s² + s + 2) 1/(s² + 3s + 2) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Force balancing equation of a dash-pot element is (where, x = displacement) B *x B dx/dt None of these B d2x/dt2 B *x B dx/dt None of these B d2x/dt2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Transient state analysis deals with ------------- both 1 and 2 None of these nature of response magnitude of error both 1 and 2 None of these nature of response magnitude of error ANSWER DOWNLOAD EXAMIANS APP
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