Exam Details
| Subject | Control System | |
| Paper | ||
| Exam / Course | B.Tech. VIEP- Electrical Engineering III (BTCSVI/BTECVI/BTELVI) | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | December, 2016 | |
| City, State | new delhi, |
Question Paper
No. ofPrinted Pages: 3 .
B.Tech. -VIEP -ELECTRICAL ENGINEERING
(BTELVI)
Term-End Examination
December, 2016
81EE-021 CONTROL SYSTEMS
Time hours Maximum Marks: 10
Note: Attempt any seven questions, Each question carries 10maries. Use of scientific calculator is permitted.
1. Explain the closed-loop control system, with a suitable block diagram. Also explain the automatic control system. How is an automatic control system different from a closed-loop control system 10
2. An R-C network is shown in Figure. Find its transfer function. 10 <img src='./qimages/8778-2.jpg'>
3. Draw the signal flow graph for the circuit shown in Figure. Hence derive its transfer function V3/V1. 10 <img src='./qimages/8778-3.jpg'>
4. Define feedback for a control system. What are the effects of feedback in a control system Explain in detail. 10
5. Explain the operation of Synchro having a closed-loop control system Working as AC position control system. 10
6. Draw and explain the following test signals used for time response analysis of control systems 10 Step signal Impulse signal
7. Determine the Hurwitz conditions for stability of the fourth order characteristics equation
a4s^4 a3s^3 a2s^2 a1s a0 0.
Assume a4 to be positive.
8. Determine the gain margin and phase margin of a unity feedback system having an open-loop transfer function
G(jw) 10 jw(j 0.1 w 0.05 w by use of Bode plot. 10
9. Write short notes on any two of the following: 2 x 5=10 Root locus of conditional stable system Derivation of state model from transfer functions PID Controllers
B.Tech. -VIEP -ELECTRICAL ENGINEERING
(BTELVI)
Term-End Examination
December, 2016
81EE-021 CONTROL SYSTEMS
Time hours Maximum Marks: 10
Note: Attempt any seven questions, Each question carries 10maries. Use of scientific calculator is permitted.
1. Explain the closed-loop control system, with a suitable block diagram. Also explain the automatic control system. How is an automatic control system different from a closed-loop control system 10
2. An R-C network is shown in Figure. Find its transfer function. 10 <img src='./qimages/8778-2.jpg'>
3. Draw the signal flow graph for the circuit shown in Figure. Hence derive its transfer function V3/V1. 10 <img src='./qimages/8778-3.jpg'>
4. Define feedback for a control system. What are the effects of feedback in a control system Explain in detail. 10
5. Explain the operation of Synchro having a closed-loop control system Working as AC position control system. 10
6. Draw and explain the following test signals used for time response analysis of control systems 10 Step signal Impulse signal
7. Determine the Hurwitz conditions for stability of the fourth order characteristics equation
a4s^4 a3s^3 a2s^2 a1s a0 0.
Assume a4 to be positive.
8. Determine the gain margin and phase margin of a unity feedback system having an open-loop transfer function
G(jw) 10 jw(j 0.1 w 0.05 w by use of Bode plot. 10
9. Write short notes on any two of the following: 2 x 5=10 Root locus of conditional stable system Derivation of state model from transfer functions PID Controllers
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Subjects
- Active Filter Design
- Advanced Control System
- Advanced Power Electronics
- Applied Electromagnetics
- Basics Of Electrical Engineering
- Computer Process Control
- Control System
- Digital Electronics
- Electric Energy Utilization
- Electrical And Electronics Engineering Materials
- Electrical Instrumentation
- Electrical Machine - I
- Electrical Machines - Ii
- Electrical Machines And Electronics
- Electrical Measurements And Measuring Instruments
- Electro Mechanical Energy Conversion - I
- Electro-Mechanical Energy Conversion - Ii
- Electro-Mechanical Energy Conversion-Iii
- Electromagnetic Theory
- Energy Auditing And Analysis
- High Voltage Engineering
- Industrial Drives
- Micro Controllers
- Microprocessor And Applications
- Network Theory
- Power Quality Issues And Remedial Measures
- Power System
- Power System - I
- Stochastic Control Systems
- Switchgear And Protection