Compare Block diagram method and signal flow diagram method with suitable example.
[3 marks]Explain open loop system with suitable (c ) Deexraivmep tlhees. e xpression of delay time, Peak Overshoot and Rise time for under damped second order system with unit step input.
[7 marks]State the properties of state transition method.
[3 marks]Draw the polar plot of G(s) = (s + 2) / [(s + 1)* (s - 1)]. Discuss stability too.
[4 marks]Discuss the step response of second order system for various values of damping ratio (i) ζ > 1 (ii) ζ = 1 (iii) 0 < ζ < 1 (iv) ζ = 0 ,with associated diagrams.
[7 marks]Discuss the main difference between transfer function approach and state space approach, with appropriate examples
[7 marks]Explain the concept of linearity and time invariance in the context of control system.
[3 marks]Describe the various details about types and orders of the control system, with suitable example.
[4 marks]Discuss the procedure to convert State model in to transfer function form, and vice versa, with the example of Armature control DC MOTOR.
[7 marks]Discuss the benefits of closed loop system over open loop system.
[3 marks]Define bandwidth, gain margin and phase margin for frequency response, with suitable example.
[4 marks]Derive the governing Diff. equation for The Gear Train and find its analogous network. Discuss the force-voltage and force-current analogy.
[7 marks]Define following terms of Signal Flow Graph. Node, Loop , Self Loop
[3 marks]Enlist the characteristics of positive feedback and Discuss in Brief.
[4 marks]Write the rules for drawing Root locus for open loop TF having gain K.
[7 marks]Discuss the effect of time delay on the stability of the process.
[3 marks]Determine the stability of the system s5 + s4 + 2s3 + 2s2 + 3s + 5 = 0. Comments on the results.
[4 marks]What is Mcircle and Ncircles in Nyquist plot? Discuss its importance in Nichols chart.
[7 marks]Discuss the various standard test signals used in control system analysis, with diagram and mathematical formulae/equations.
[3 marks]Explain Initial value theorem and Final Theorem in Laplace Transformation, with supported proof.
[4 marks]Sketch the Root locus for the unity feedback system whose open loop transfer function is given by G(s) = K / s*[(s + 4)*(S2 + 4s + 20)].1
[7 marks]Explain following: absolute stability, relative stability and BIBO stability, with examples.
[3 marks]Write a technical note on steady state error and error constants with appropriate example and calculations.
[4 marks]Draw the Bode plot for a system having TF (s)H(s) = 64*(s + 2) / s *[ (s + 0.5)* (s2 + 3.2s + 64)] . Find Gain margin, Phase margin and Cross over frequencies.
[7 marks]