GTU BE/B.Tech 2019 Winter Question Papers || Gujarat Technological University
Subject Name: Control System Design
Time: 02:30 PM TO 05:00 PM
Date: 04/12/2019
Total Marks: 70
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- VI (New) EXAMINATION - WINTER 2019
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Subject Code: 2161707Subject Name: Control System Design
Time: 02:30 PM TO 05:00 PM
Date: 04/12/2019
Total Marks: 70
--- Content provided by FirstRanker.com ---
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
| Q.1 | (a) State the Properties of the State Transition matrix. | 03 |
| (b) Explain a Dead beat response with necessary sketch. | 04 | |
| (c) Define Compensator. Explain the various types of Compensation with necessary diagram. | 07 | |
| OR | ||
| Q.1 | (a) Explain a Phase Lead compensator using RC Network. | 03 |
| (b) Give the Procedure for Designing a Phase Lag Compensator in Time Domain. | 04 | |
| (c) Design a suitable compensator for the system having the open loop transfer function G(S) = K/ S(S+2) to meet the following specifications: (1) Damping ratio {=0.707 (i) Settling Time ts < 5 Sec (ii1) Ky>4 | 07 | |
| Q.2 | (a) Explain the System with a Prefilter with example. | 03 |
| (b) Explain a Phase Lag compensator using RC Network. | 04 | |
| (c) Design a State space model of the RLC Network. | 07 | |
| OR | ||
| Q.2 | (a) Explain the Controllability and Observability with suitable example. | 03 |
| (b) Give the importance of Internal model Design. | 04 | |
| (c) Give the Procedure for designing Phase Lead Compensator in Frequency Domain. | 07 | |
| Q.3 | (a) Explain Lyapunov stability for linear system. | 03 |
| (b) Give the S — Plane Representation of Lag, Lead and Lead-Lag Compensator. | 04 | |
| (c) State and explain Observable Canonical form. | 07 | |
| OR | ||
| Q.3 | (a) A Unity feedback system has OLTS G(S) = K/ S(1+2S). Design a suitable compensator so that the Phase margin is > 40. and steady state error for the ramp input is ess < 0.2. Also to comment on stability. | 03 |
| (b) Define System Sensitivity. | 04 | |
| (c) Explain the optimal control system with an example. | 07 | |
| Q.4 | (a) Explain the Full state feedback control with observer design. | 03 |
| (b) How to analyze the Robustness of any System? | 04 | |
| (c) Define the Following: (1)Canonical variable and Digonalization (2) Eigen value (3)Caylay Hamilton theorem (4) Ackerman’s formula | 07 | |
| OR | ||
| Q.4 | (a) State algebraic Riccatti equation and write short note on LQR design. | 03 |
| (b) Discuss the bode diagram with Analytical method. | 04 | |
| (c) Explain the System with uncertain parameter. | 07 | |
| Q.5 | (a) Explain robust PID Controller. | 07 |
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