Define the following terms. (1) Control system(2) Plants (3) Process
[ marks]Explain transfer function and State advantages and Dis-advantages of04 transfer function.
[ marks]Solve the block diagram to find transfer function of the system shown in figure.07
[ marks]Explain Steady state Error.
[3 marks]Compare Open loop Vs close loop control systems
[4 marks]The characteristic equation of feedback control system is given by s4+20s3+15s2+2s+K=0 1) Calculate the range of Kfor the system to be stable. 2) Can the system be marginally stable? If so, find the required value of k and frequency of sustained oscillation.
[7 marks]Write Nyquist contour and Nyquist stability criterion in brief.
[7 marks]Calculate damping ratio and Undamped natural frequency of oscillation for the open loop transfer function of a servo system with03 unity feedback system: G(S) = (S+2)(s+5)
[ marks]Explain Standard Test Signals used in control system
[4 marks]Construct the root loci of open loop transfer function of the feedback k(S+3) control system given as G(S)H(S) = s(s+2)
[7 marks]Simplify the significance of proportional control.
[3 marks]Define following terms with respect to second order system. 1) Delay Time 2) Rise Time 3) Peak Time 4) Steady state error Page 1 of
[2 marks]Consider a lag-lead network defined by11 (s+ )(s+ ) Gc(s) = k T1 T2 𝛽 1 (s+ )(s+ ) T1 𝛽T21 Show that at frequency 𝜔 , where 𝜔 = , the phase angle of11 √T1T2 Gc(j𝜔) becomes zero.
[7 marks]Explain the effect of integral control action on system Performance.
[3 marks]Explain relationship between time and frequency response.
[4 marks]Explain step by step Procedure for Phase Lag Network.
[7 marks]Explain the advantages of bode plot.
[3 marks]Summarize types of compensation and explain any one.
[4 marks]Explain the step by step procedure for obtaining bode plot.
[7 marks]Explain polar plots with a sketch of a simple example
[3 marks]Decide that How stability can be ensured from Routh Table?
[4 marks]Distinguish state variable approach verses the classical approach of07 transfer function for the analysis of control systems.
[ marks]Explain following terms. 1) State variable 2) State trajectory 3) State vector
[3 marks]Define and explain following terms with respect to frequency response. 1) Gain Margin04 2) Phase Margin 3) Gain Crossover frequency 4) Phase Crossover frequency
[ marks]Investigate Controllability and observability of the system X(t) = [ 0 0 1 ]X(t)+[0]u(t)07 −6 −11 −6 c(t) = [1 0 0]x(t) Page 2 of
[2 marks]