What is open loop and close loop control system ?
[3 marks]What are the effects of feedback on system performance? Explain
[4 marks]Find transfer function with Block diagram reduction technique. Figure : 1
[7 marks]Write the Mason’s gain formula of signal flow graph.
[3 marks]Find the value of position error constant for second order system using ramp input
[4 marks]Determine C/Rfor system shown in Figure 2. Figure :
[2 marks]Solve SFG in figure 3 with Mason’s Gain Formula.1 Figure :
[3 marks]Write the necessary and sufficient condition for stability in Routh’s stability criterion.
[3 marks]Define ‘resonant frequency’.
[4 marks]Derive the time response of first order system for step input.
[7 marks]Define state and state variable.
[3 marks]Explain conditionally stable system with example.
[4 marks]Discuss time response of Second order control system for unit step input and also discuss effect of damping factor on time response of Second order control system.
[7 marks]Discuss the limitation of Routh criteria.
[3 marks]Using Routh criterion, check the stability of system with characteristic equation (s4 +3s3+ 6s2+12 s+8) = 0
[4 marks]Sketch the root locus of open loop transfer function of a control system K (s+1) is given by G(s). H(s) = s2(S+3)(s+5)
[7 marks]Explain the method of finding angle of arrival from the complex pole in root locus method.
[3 marks]Discuss the special cases of Routh Hurwitz criteria.
[4 marks]Write the steps of finding root locus with suitable example.
[7 marks]State advantages of frequency response analysis.
[3 marks]With the help of neat diagrams, explain working of 4/3 DCV.
[4 marks]Draw a neat sketch of a integral controller (Hydraulic servo motor) and derive its transfer function.
[7 marks]Explain terms; stable system, unstable system, marginally stable system.
[3 marks]With the help of necessary diagram, explain Pneumatic nozzle flapper amplifier.
[4 marks]Draw the schematic diagram of Pneumatic PD controller. Explain its working and derive its transfer function.
[7 marks]