STUPIDSID
Solve any one question from Q.1(a,b) &Q.2(a,b)
1(a)
Using suitable diagram explain consturction and working of Stepper motor. List any 2 industrial applications.
6 M
1(b)
Determine the transfer function of following diagram.
!mage
!mage
4 M
2(a)
Using suitable diagram explain construction and working of sample and hold circuit.
6 M
2(b)
Define
i) Resolution
ii) Hysteresis
i) Resolution
ii) Hysteresis
4 M
Solve any one question from Q.3(a,b) &Q.4(a,b)
3(a)
Define
i) Sampling theorem
ii) Aliasing
i) Sampling theorem
ii) Aliasing
6 M
3(b)
Using suitable diagram explain construction and working of voltage amplifier.
4 M
4(a)
Find the approzimate change in metal wire of resistance 120 ohm that results from a stain of 1000μm/m.
4 M
4(b)
Using suitable diagram construction and working of R-2R DAC
6 M
Solve any one question from Q.5(a,b,c) &Q.6(a,b)
5(a)
Draw a suitable blcok diagram of SCADA and explain its architecture.
8 M
5(b)
Draw block diagram of basic structure of PLC system and explain the role played by following elements
i) I/O unit
CPU
i) I/O unit
CPU
8 M
6(a)
What is the function of timers in PLC programming? Classify time. Explain any 2 of them.
8 M
6(b)
Draw a ladder diagram for the following sequence.
i) Two push buttons PB1 and PB2 are used to operate Green and Red lamps.
ii) When PB1 is pushed alone, it should switch off Green lamp, and switch on the red lamp.
iii) If PB2 is pushed alone, No lamp should glow.
i) Two push buttons PB1 and PB2 are used to operate Green and Red lamps.
ii) When PB1 is pushed alone, it should switch off Green lamp, and switch on the red lamp.
iii) If PB2 is pushed alone, No lamp should glow.
8 M
Solve any one question from Q.7(a,b) & Q.8(a,b)
7(a)
Obtain transfer function of the following system.
!mage
!mage
8 M
7(b)
Define following terms
i) Steady state error
iii) Damping frequency
iv) % overshoot
i) Steady state error
iii) Damping frequency
iv) % overshoot
8 M
8(a)
Using suitable diagram explain transient response specification.
8 M
8(b)
Compare Time Domain and Frequency domain techniques for analysis of systems.
8 M
Solve any one question from Q.9(a,b) & Q.10(a,b)
9(a)
Draw a suitable diagram and derive transfer function of Proportional Integral and derivative (PID) controller in parallel. Compare it with PID in series as well.
10 M
9(b)
Discuss the role of transient specifications with respect of performance of PID
8 M
10(a)
An integral controller is used for speed control with a set point of 12 rpm within a range of 10 to 15 rpm. The controller output is 22% initially. The constant K1 = 0.15% controller ouput. Per second per percentage error. If the speed jumps to 13.5 rpm Calculate the constant output after 2 sec. for a constant ep.
8 M
10(b)
Explain Derivation control with neat diagram and equation. Why derivative controller can not be used alone?
10 M
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