STUPIDSID
1 (a)
What is modern control theory? Compare modern control theory with conventional control theory.
7 M
1 (b)
Compare open loop control system with closed loop control system.
7 M
2 (a)
Write short note on: Analogue models of mechanical and electrical system.
7 M
Answer any two question from Q2 (a), (b) or Q2 (c)
2 (b)
List the basic types of control actions and explain the PID control action in detail.
7 M
2 (c)
What is FRL unit in pneumatic system? Write about pneumatic power sources. State various components used in pneumatic circuit.
7 M
Answer any two question from Q3 (a), (b) or Q3 (c), (d)
3 (a)
Define programmable logic controller. What are the components of PLC? State the Advantages & Disadvantages of it.
7 M
3 (b)
Draw and explain detail block diagram of fuzzy logic controller.
7 M
3 (c)
What does a block diagram represent? Explain it in detail. List its salient characteristics.
7 M
3 (d)
Explain and derive the transfer function for an armature controlled d.c. motor.
7 M
Answer any two question from Q4 (a), (b) or Q4 (c), (d)
4 (a)
Obtain the mathematical equation and sketch the time response of a second order control system for a unit step input (for damping factor = ξ<1).
7 M
4 (b)
Draw Proportional-Derivative (PD) hydraulic controller, explain its working and determine its transfer function.
7 M
4 (c)
Write down advantages and disadvantages of hydraulic systems.
7 M
4 (d)
Draw equivalent mechanical and electrical systems to relate voltage or force current analogy force.
7 M
Answer any two question from Q5 (a), (b) or Q5 (c), (d)
5 (a)
What is a signal flow graph? What are Properties of signal flow graph? State and explain Mason\’s gain formula for signal flow graph.
7 M
5 (b)
What do you mean by stability of a control system? Explain Routh's stability criterion.
7 M
5 (c)
What do you mean by micro-processor based digital control.
7 M
5 (d)
Explain boiler feed control system using neat sketch.
7 M
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