List down basic elements of a pneumatic control system.
[3 marks]Explain linear control system. State the principle of superposition.
[4 marks]Write down analogues terms for mechanical system components as per F-V & F-Ianalogy.
[7 marks]Define: Disturbance, Controlled Variable, Feedback
[3 marks]Compare block diagram and signal flow graph.
[4 marks]Obtain the Transfer function C/Rfrom the signal flow graph as shown in figure1 Figure 1
[7 marks]Draw the schematic diagram of Hydraulic PID controller. Explain its working and derive its transfer function.
[7 marks]With the help of necessary diagram, explain Pneumatic nozzle- flapper amplifier.
[3 marks]What is Frequency Response? State the methods used in frequency response analysis.
[4 marks]Find out transfer function of the block diagram shown in figure 2 using block diagram reduction method. Figure 21
[7 marks]Discuss about gain margin and phase margin for frequency response of control system.
[3 marks]What are the merits of frequency response?
[4 marks]What are different types of standard input test signals? Explain each one of them with neat sketch.
[7 marks]Differentiate between hydraulic and pneumatic control systems.
[3 marks]Check stability of system whose characteristic equation is s3 + 8s2 + 14s + 24 = 0 using Hurwitz criteria.
[4 marks]Define following terms in context with the transient response specifications of second order system using neat sketch: Delay time, Rise time, Peak time, Maximum overshoot, settling time.
[7 marks]What is FRL unit in pneumatic control system?
[3 marks]Elaborate the effect of steady state error when step input is applied to type 0 system.
[4 marks]Draw root locus for the system. k G(s)H(s) = s(s+3)(s+6)
[7 marks]Explain the following terms: (i) State (ii) State variables (iii) State-space.
[3 marks]Evaluate the effect of time constant on 1st order system response for unit step input.
[4 marks]Evaluate and comment on the stability for the system having characteristics equation is given as: s6 + 4s5 + 3s4 - 16s2 - 64s – 48 = 0.
[7 marks]State merits and demerits of open loop control system.
[3 marks]What are the advantages of state-space representation over conventional control-system analysis method?
[4 marks]Classify direction control valves with neat sketch.
[7 marks]