B.E. / B.Tech. DEGREE EXAMINATION, FEB-2013

INTERNAL ASSESSMENT TEST NO.:1

II – B.E. [Mechatronics Engineering] IV Semester

EC 3213 – CONTROL SYSTEM

Time: 3 Hours Date: 06.02.2013 Max marks: 100

PART – A Answer ALL questions 10 X 2 = 20

1. Define pole, order and zero.

2. Define Transfer function.

3. Define Transient Time and Transient Response.

4. What are the advantages and disadvantages of closed loop system?

5. Distinguish between open loop and closed loop systems.

6. Define feedback system

7. Write any three rules in Signal Flow Graph method.

8. Write the rule for elimination of a feedback loop in a block diagram.

9. Define signal flow graph

10. Write the Mason’s Gain formula.

PART – B Answer ANY Five questions 5 X 16 = 80 11. Write the equations describing the motion of the mechanical

system shown in Fig.1. Also find the transfer function Y2(s)/F(s). (16)

Fig.1

12. Obtain the analogous electric circuit for given mechanical

translational system shown in Fig.2 based on force-Voltage analogies.

Fig.2 (16)

13. Write the equations describing the motion of the mechanical

system shown in Fig.3. Also find the transfer function θ(s)/T(s).

Fig.3 (16)

14. Determine the transfer function for the system having the block

diagram as shown in Fig.4. (16)

Fig.4

B.E. / B.Tech. DEGREE EXAMINATION, FEB-2013

INTERNAL ASSESSMENT TEST NO.:1

II – B.E. [Mechatronics Engineering] IV Semester

EC 3213 – CONTROL SYSTEM

Time: 3 Hours Date: 06.02.2013 Max marks: 100

PART – A Answer ALL questions 10 X 2 = 20

1. Define pole, order and zero.

2. Define Transfer function.

3. Define Transient Time and Transient Response.

4. What are the advantages and disadvantages of closed loop system?

5. Distinguish between open loop and closed loop systems.

6. What is feedback system?

7. Write any three rules in Signal Flow Graph method.

8. Write the rule for elimination of a feedback loop in a block diagram.

9. What is signal flow graph?

10. Write the Mason’s Gain formula.

PART – B Answer ANY Five questions 5 X 16 = 80

11. Write the equations describing the motion of the mechanical

system shown in Fig.1. Also find the transfer function Y2(s)/F(s). (16)

Fig.1

12. Obtain the analogous electric circuit for given mechanical

translational system shown in Fig.2 based on force-Voltage analogies.

Fig.2 (16)

13. Write the equations describing the motion of the mechanical

system shown in Fig.3. Also find the transfer function θ(s)/T(s).

Fig.3 (16)

14. Determine the transfer function for the system having the block

diagram as shown in Fig.4. (16)

Fig.4

15. Obtain the transfer function C(s)/R(s) from the given signal flow

graph in Fig.5. (16)

Fig.5

16. Derive the expressions and draw the response of first order system

for unit step input and unit ramp input. (16)

17. Obtain analogous electrical circuits based on Torque-Current for

the given Mechanical Rotational system shown in Fig.6. (16)

Fig.6

***All the best***

15. Obtain the transfer function C(s)/R(s) from the given signal flow

graph in Fig.5. (16)

Fig.5

16. Derive the expressions and draw the response of first order system

for unit step input and unit ramp input. (16)

17. Obtain analogous electrical circuits based on Torque-Current for

the given Mechanical Rotational system shown in Fig.6. (16)

Fig.6

*** All the best ***