Thapar University 2006 M.E Process Modeling & Control - Question Paper
Thapar Institute of Engineering & Technology
B.Tech Electrical & Instrumentation (1st Year)
Final Term exam
IN002 (Measurement Science)
THAPAR INSTITUTE OF ENGINEERING & TECHNOLOGY (DEEMED UNIVERSITY), PATIALA
END SEMESTER EXAMINATION fO
Subject: IN-002, Process Modeling & Control (M.E. (EIC))
Course Faculty: Dr. Yaduvir Singh Maxm. Time: Three Hours Maxm. Marks: 45
Note: Attempt any five (OS) questions. Support your answers with the practical control cases, if applicable. Make suitable assumptions, if required.
Q. No. 1
(a) What is real time control? Give complete instrumentation in the ease of an industrial real time control system, as an example.
(b) Obtain a generalized expression for Z-transform of time function f(t) = tk''; t>0.
(4.5 X 2=9.0 marks)
Q. No. 2
(a) Define various terms involved in state spacc modeling.
(b) What is an integrating process? Mention an example, and with the help of mathematical derivations, prove that it is an integrating process.
(4.5 X2=9.0 marks)
Q. No. 3
For z heated mixing tank, derive and obtain, the two most relevant state space equations. Suitably assume various parameters, inputs, initial conditions etc., and their notations.
(9.0 marks)
Q. No. 4
(a) Obtain Laplace transform of time domain function (tn / n! ) e*at.
(b) Define controllability and observability. Explain their role and importance in control system analysis.
(4.5 yi 2=9.0 marks)
Q. No. 5
Obtain (derive and plot) unit step time response for a process having overall transfer function given as (e )/(5s+l).
( 9.0 marks)
Q. No. 6
(a) Differentiate Fourier Series and Fourier Transform. Mention their individual importance in engineering system analysis. If both can be mutually related, derive and obtain their relationship.
(b) Explain second method of Liapunov Stability.
OR
List and define various properties of Petri Nets.
(4.5 X 2=9.0 marks)
Q. No. 7
(a) Consider a second order unity feedback process having an open loop transfer function given as below.
G(s) = 1 / [(2s+l) (3s+l) ]
(b) Elaborate the following.
(i) Self-tuning regulators
(ii) Model reference adaptive controllers
(iii) RGA
(4.5+ 1.5 X 3=9.0marks)
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