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Note: Answer any FIVE full questions, choosing ONE full question from each module.
Module-1
1 a. With a block diagram differentiate open loop and closed loop system. (08 Marks)
b. Discuss the main requirements of an ideal control system. (08 Marks)
2 Explain following types of controller with block diagram and state its characteristics.
(i) Proportional
(ii) Proportional plus derivative
(iii) Integral
Module-2
3 a. Obtain the transfer function for an armature controlled D.0 motor, which relates output
angular displacement (Q) with input voltage (e). (08 Marks)
b.
thermometer has a thermal capacitance for storing heat as C and thermal resistance to limit
heat flow as R. If the temperature indicated by thermometer is 0,, obtain the transfer function
of the system. (08 Marks)
OR
technique. (10 Marks)
C
is
I-
dip
r"
C(g)
b.
Discuss Mason's gain formula and define the following terms used in signal flow graphs.
(i) Node (ii) Branch gain (iii) Forward path (iv) Path gain (v) Feedback loop
(vi) Self loop (06 Marks)
5 Obtain the expressions for Peak time, Rise time, Maximum overshoot and settling time for a
second order control system in terms of damping factor and nature frequency. (16 Marks)
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Note: Answer any FIVE full questions, choosing ONE full question from each module.
Module-1
1 a. With a block diagram differentiate open loop and closed loop system. (08 Marks)
b. Discuss the main requirements of an ideal control system. (08 Marks)
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OR2 Explain following types of controller with block diagram and state its characteristics.
(i) Proportional
(ii) Proportional plus derivative
(iii) Integral
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(iv) Proportional plus integral (16 Marks)Module-2
3 a. Obtain the transfer function for an armature controlled D.0 motor, which relates output
angular displacement (Q) with input voltage (e). (08 Marks)
b.
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A thermometer is dipped in a vessel containing liquid at a constant temperature of 01.thermometer has a thermal capacitance for storing heat as C and thermal resistance to limit
heat flow as R. If the temperature indicated by thermometer is 0,, obtain the transfer function
of the system. (08 Marks)
OR
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4 a. Obtain the overall transfer function of the block diagram shown in Fig.Q4(a) by reductiontechnique. (10 Marks)
C
is
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tZ CS)I-
dip
r"
C(g)
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Fig.Q4(a)b.
Discuss Mason's gain formula and define the following terms used in signal flow graphs.
(i) Node (ii) Branch gain (iii) Forward path (iv) Path gain (v) Feedback loop
(vi) Self loop (06 Marks)
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Module-35 Obtain the expressions for Peak time, Rise time, Maximum overshoot and settling time for a
second order control system in terms of damping factor and nature frequency. (16 Marks)
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