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Study-Unit Description
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CODE SCE2112

 
TITLE Control Systems 1

 
LEVEL 02 - Years 2, 3 in Modular Undergraduate Course

 
ECTS CREDITS 5

 
DEPARTMENT Systems and Control Engineering

 
DESCRIPTION This unit introduces the fundamentals of automatic control engineering. It explains the importance and application of closed loop control theory to regulate the behaviour of dynamic systems in an automated manner. The unit deals with the modelling and analysis in the continuous-time domain. Examples are considered though out the study unit and emphasis is placed on ICT applications. The study-unit deals with system modelling via the Laplace Transform, with examples in communication, electrical and electronic systems; time domain analysis of first and second order systems; the effect of feedback on steady state errors, sensitivity to component changes and disturbance rejection; root locus analysis and frequency response analysis of closed loop systems using Bode plots, with an introduction to stability analysis via phase and gain margins.

Study-unit Aims:

This study-unit aims to provide the student with the theoretical understanding and practical skills required to represent and analyze physical system in the continuous time domain.

Learning Outcomes:

1. Knowledge & Understanding:

By the end of the study-unit the student will be able to:
- describe the conditions for representing systems in the s-domain when presented with a time-domain representation or a schematic diagram of the system;
- clearly differentiate between the possibly different transient performances of dynamic systems in the time domain;
- analyze the relationship between a feedback system and its steady state error, sensitivity to parameter variations and signal to noise ratio from the system's transfer function;
- relate the dynamic behaviour of a closed loop system to its gain;
- describe and apply the conditions imposed on a system for closed loop stability when presented with information in the frequency domain.

2. Skills:

By the end of the study-unit the student will be able to:
- represent a physical system in the s-domain;
- analyze the performance and time-response characteristics of first and second order systems;
- derive sensitivity functions and signal to noise ratios for modelled systems;
- draw a root locus of a given continuous time system;
- draw the Bode plot for any given system and analyze it stability in the frequency domain;
- use appropriate software to analyze and simulate closed loop control systems.

Main Text/s and any supplementary readings:
(availability at the Library or otherwise is indicated against each entry)

Main Text:
- F. Golnaraghi and B.C. Kuo, Automatic Control Systems, John Wiley and Sons, 2009. (available)

Supplementary References:
- K. Ogata, Modern Control Engineering, Pearson Education, 2008 (available)
- R.C. Dorf and R.H. Bishop, Modern Control Systems, Pearson Education, 2010 (available)

 
STUDY-UNIT TYPE Lecture, Practicum & Tutorial

 
METHOD OF ASSESSMENT
Assessment Component/s Resit Availability Weighting
Report No 15%
Examination (2 Hours) Yes 85%

 
LECTURER/S David Debono

 
The University makes every effort to ensure that the published Courses Plans, Programmes of Study and Study-Unit information are complete and up-to-date at the time of publication. The University reserves the right to make changes in case errors are detected after publication.
The availability of optional units may be subject to timetabling constraints.
Units not attracting a sufficient number of registrations may be withdrawn without notice.
It should be noted that all the information in the study-unit description above applies to the academic year 2017/8, if study-unit is available during this academic year, and may be subject to change in subsequent years.
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