Control Systems A unity feedback control system has an open loop transfer function G(s) = k/(s(s² + 7s + 12) The gain k for which s = -1 + j1 will lie on the root locus of the system is 10 6.5 5 4 10 6.5 5 4 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following represents the value of resonant frequency (ωr)? 2*(ωn) √(1-ζ²) (ωn) √(1-ζ²) (ωn) √(1-ζ²/2) (ωn) √(1-2ζ²) 2*(ωn) √(1-ζ²) (ωn) √(1-ζ²) (ωn) √(1-ζ²/2) (ωn) √(1-2ζ²) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of the system described by d²/dt²(y(t)) + 3d/dt(y(t)) + 2y(t) = 5u(t) with u(t) as input and y(t) as output is s(s²+3s+2)/5 (s²+3s+2)/5 5/(s²+3s+2) 5/s(s²+3s+2) s(s²+3s+2)/5 (s²+3s+2)/5 5/(s²+3s+2) 5/s(s²+3s+2) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Consider the function F(s) = ω/(s²+ω²). Where F(s) = Laplace transform of f(t). The final value of f(t) is equal to a value between -1 and +1 infinite finite constant zero a value between -1 and +1 infinite finite constant zero 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? 1/(s² + 3s + 2) 1/(s² + s + 2) 2/(s² + s + 2) 2/(s² + 3s + 2) 1/(s² + 3s + 2) 1/(s² + s + 2) 2/(s² + s + 2) 2/(s² + 3s + 2) 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
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