Explain green engineering with suitable example.
[3 marks]Classify control systems.
[4 marks]Discuss the roll of automatic control system in engineering applications with suitable example.
[7 marks]Find Laplace transform of unit step and impulse signal.
[4 marks]Explain linearization with suitable example.
[3 marks]Find transfer function C(s)/R(s) of a system represented in below figure.
[7 marks]Consider the system with forward path transfer function G(S)= Kand S+2 feedback H(S) = a, find sensitivities(magnitude only) of overall feedback system for variations in Kand a. Frequency of operation is 0.5 rad/sec.
[7 marks]Find state transition matrix for the system x = Ax +Bu and y = Cx+010 Du with A = [ ],B = [ ],C = [0 1] and D = [0]. −2 −3 1
[7 marks]Find error constant and steady state error for type-1 system for unit step input.
[3 marks]Explain rise time and peak time with suitable formula.
[4 marks]Explain state, state variables and state vector.
[3 marks]Find the dimensions of state matrix and output matrix for the system with two state variables, two outputs and single input.
[4 marks]Find the value of Kat breakaway point for the system with open loop K transfer function G(S)= . Consider unity feedback system. S(S+1)(S+4)
[7 marks]Explain bounded input bounded output (BIBO) stability.
[3 marks]Determine the stability of the system with characteristic equation Q(S): S4+ 6S3+ 23S2+ 40S+ 50 = 0 using Routh’s stability criteria.
[4 marks]20K For the unity feedback system with G(S)= , find restrictions S(S+2)(S+10) on Kfor system to be absolutely stable.
[7 marks]Explain negative gain root locus.
[3 marks]Explain gain margin and phase margin.
[4 marks]10K For unity feedback system G(S)= , find the value of Kfor gain S(S+1)(S+10) margin 10 db and phase margin 500.
[7 marks]Explain self loop, forward path and loop gain with respect to signal flow graph.
[3 marks]Explain dynamics of PID controller in frequency domain.
[4 marks]Find stability of the system with open loop transfer function1 G(S)= using Nyquist stability criteria. Consider unity S(S+1)(S+2) feedback.
[7 marks]Explain role of time delay on stability of control systems.
[3 marks]Explain the principal of argument and Nyquist stability criteria.
[4 marks]Comment on stability for the system with open loop transfer function K G(S)= using bode plot. Consider unity feedback. S(S+0.1)(S+10)
[7 marks]