GTU BE/B.Tech 2019 Winter Question Papers || Gujarat Technological University
Enrolment No.
Subject Code: 2160807
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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- VI (New) EXAMINATION — WINTER 2019
Date: 13/12/2019
Subject Name: Digital Control System
Time: 02:30 PM TO 05:00 PM
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Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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- (a) Explain the various Advantages offered by Digital Control. 03
- (b) Explain Distribution Signal Rejection. 04
- (c) Explain Open Loop & Close Loop Control system with Block diagram. 03
- (a) Explain the process of Signal conversion and coding. 04
- (b) Explain Practical Sample and Hold Circuit. 07
- (c) Comparison between digital Control System & analog control system with block diagram. 07
- (a) OR Explain the Z-Domain Description of System with Dead Zone with Necessary Equation. 03
- (b) Explain the Invariance property of a state variable system. 04
- (c) Explain Mathematical Modeling of Sampling Process. 07
- (a) Explain Unit Sample Sequence and Unit Step Sequence. 03
- (b) OR Compare Proportional -Integral controller & Proportional Controller. 04
- (c) Explain the Eigen Values and Eigen Vectors of a System. 03
- (a) Explain the design Specification & configuration of basic digital control system. 04
- (b) Define following terms. 1) State Vector. 2) State Space. 3) State Trajectory. 07
- (c) Explain Block Diagram of Digital Positioning System. 03
- (a) Explain the state variable analysis for a Multi-Variable system. 04
- (b) OR Explain BIBO stability in detail. 07
- (c) Explain Tunable PID Controller. 03
- (a) Explain the reconstruction of analog signal. 04
- (b) Steady state error for various input and output system. 07
- (c) Explain Properties of Z-transform any one. 03
- (a) Write a Short note on Digital Temperature Control System. 07
- (b) OR Explain the Controllability and Observability
- (c) Explain the relation between transfer function and state space model for a discrete time system.
- (a) Design Phase Lag compensator using root locus plot.
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