STUPIDSID
1(10)
In a 4/3 Direction control valve 4 stands for____ and 3 stands for ___?
1 M
1(11)
What does FRL stands for in a Pneumatic system.
1 M
1(12)
Define: Selfloop
1 M
1(13)
What is root locus?
1 M
1(14)
Define Reference input with example.
1 M
1(2)
Nolinear elements are sometimes intentionally introduced to a control system to improve its performance (True/False).
1 M
1(3)
Defien the transfer function. Why initial conditions are assumed zero?
1 M
1(4)
Define signal flow graph.
1 M
1(5)
What does the arrow on the branch of a Signal Flow Graph represent?
1 M
1(6)
Define Maximum overshoot.
1 M
1(7)
What is Parabolic-Function Input?
1 M
1(8)
Define Routh's stability criterion.
1 M
1(9)
What is Frequency Response?
1 M
1(a)
Feedback is sometimes used to improve the sensitivity of a control system(True/False)
1 M
2(a)
Derive the Analogous relationship between Mechanical and Electrical system based on Force-Current analogy.
3 M
2(b)
Obtain the Transfer function C/R from the signal flow graph as shown in figure 1
4 M
Solve any one question.Q2(c) &Q2(d)
2(c)
Obtain the overall transfer function of the system whose block diagram is as given in figure 2 using block diagram reduction technique.
7 M
2(d)
Obtain Differential Equation for the mechanical system shown in figure 3.Also obtain analogus circuit using Force-Voltage analogy.
7 M
solve any one question Q.3(a,b,c) &Q4(a,b,c)
3(a)
Discuss the effect of time constant on 1st order system response for unit step input.
3 M
3(b)
Discuss the effect of damping on the position of closed loop poles of the 2nd order system with diagram.
4 M
3(c)
In a mechanical virbratory systemm when 2N of force (step input) is applied to the sytem, the mass oscillates as shown in figure 4. Determine the values of M, B and K of the system from this response curve. The displacement is measured from equilibrium position.
7 M
4(a)
Draw generalized unit step response for 2nd order system and define following: Rise time,
Delay time,
Settling time.
Delay time,
Settling time.
3 M
4(b)
A close loop system is characterized by the following transfer function,
s4+5s3+4s+K=0. Determine the range of K for which the system is stable.
s4+5s3+4s+K=0. Determine the range of K for which the system is stable.
4 M
4(c)
Draw root locus diagram for the system with transfer function, \[G(s)H(s)=\frac{K}{s\left ( s+5 \right )\left ( s+10 \right )}\]
7 M
solve any one question Q.5(a,b,c) &Q6(a,b,c)
5(a)
List the basic elements of a Hydraulic circuit. Explain any one in brief.
3 M
5(b)
Explain Hydraulic Integral Control and derive its transfer function.
4 M
5(c)
Draw the schematic diagram of Pneumatic PI controller Explain its working and derive its transfer function.
7 M
6(a)
Write the comparison between a Pneumatic system and Hydraulic system.
3 M
6(b)
With the help of necessary diagram, explain Pneumatic nozzle- flapper amplifier.
4 M
6(c)
Draw the schematic diagram of Hydraulic PID controller. Explain its working and derive its transfer function.
7 M
solve any one question Q.7(a,b,c) &Q8(a,b,c)
7(a)
State the advantages of state-space representation over conventional control system analysis method.
3 M
7(b)
Explain the following terms:
i) State
ii) State variables
iii) State-space
iv) state transition matrix.
i) State
ii) State variables
iii) State-space
iv) state transition matrix.
4 M
7(c)
Obtain the state space representation of system as shown in figure 5
7 M
8(a)
For an RLC circuit, Derive the state model.
3 M
8(b)
Discuss about gain margin and phase margin for frequency response of control system.
4 M
8(c)
Differntiate between open loop and close loop control systems.
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7 M
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