Compare open-loop and Closed-loop system.
[3 marks]Vo(S) For the network of Fig. find the transfer function Vi(S) (c ) X2(S) Find the transfer function of the mechanical system shown in Fig. U(S)
[7 marks]List properties of the Transfer Function.
[3 marks]Conclude Usefulness of analogues system and explain Force (Torque)- Voltage Analogy. (c ) For the system represented by the block diagram shown in Fig. evaluate the closed-loop transfer function.
[7 marks]Discuss Unit-Ramp response of First-Order systems.
[3 marks]Define: (1) Delay time (2) Rise time (3) Peak time (4) Settling time (c ) Discuss Unit-step time response of Second-order systems for > 0.
[7 marks]Discuss Static error constants and steady state errors for various inputs and systems.
[3 marks]The characteristic equation of a system is given by S4 + 8S3 + 18S2 + 16S + 4 = 0. Investigate the stability of a system by means of Hurwitz criterion. (c ) The open-loop transfer function of a feedback control system is K G(S).H(S) = . Construct the root locus. S(S+4)(S2+4S+20 )
[7 marks]Discuss following terms with respect to Frequency response analysis.
[3 marks]Resonant Peak (ii) Resonant Frequency (iii) Bandwidth
[ marks]10 Develop the Polar plot of G(S) = . S(S+1) (c ) Develop the Bode plots for the transfer function given below: 710 G(S).H(S) = . Find the gain margin and Phase S(0.1S+1)(0.05S+1) margin.
[4 marks]Discuss Nyquist stability criterion.
[3 marks]List properties of M-circles. (c ) The open-loop transfer function of a unity feedback control system is given S+2 as G(S).H(S) = . Investigate the closed-loop stability by (S+1)(S−1) applying Nyquist criterion.
[7 marks]Justify: Compensation is required.
[3 marks]Discuss Lag compensator. Obtain the transfer function of a Lag Compensator. (c ) Design a lead compensator for a unity feedback system with an open-loop K transfer function G(S) = for the specifications of (i) static velocity S(S+1) error constant Kv = 10 sec-1 and (ii) phase margin= 35.
[7 marks]Define: (i) State (ii) State Variable (iii) State Vector
[3 marks]List Advantages of State variable analysis. (c ) Construct the transfer function of
[7 marks]