The University of Southampton
Courses

# ELEC2220 Control and Communications

## Module Overview

To develop knowledge of the analysis of linear continuous-time systems. To introduce the basic analysis and design tools for electronic system control and communications engineering. To provide a comprehensive foundation for Part III/IV signal processing, communications and control courses.

### Aims and Objectives

#### Module Aims

To develop working knowledge of the basic tools for the analysis of linear continuous-time systems. To introduce the basic analysis and design tools for electronic system control and communications engineering. To provide a comprehensive foundation for Part III/IV signal processing, communications and control courses.

#### Learning Outcomes

##### Knowledge and Understanding

Having successfully completed this module, you will be able to demonstrate knowledge and understanding of:

• The principles of communications and control theory
• Analogue and digital modulation
• The techniques used to design and analyse the performance of control systems
##### Subject Specific Intellectual and Research Skills

Having successfully completed this module you will be able to:

• Apply time and frequency domain techniques for the analysis of linear systems of any order.
• Analyse and design simple linear control and modulation systems.
• Use MATLAB as a design and simulation tool.
• Program control system design and analysis problems in MATLAB
• Engage proficiently with the more advanced signal processing, communications and control courses
• Understand the relevance of the frequency-domain analysis in engineering
##### Transferable and Generic Skills

Having successfully completed this module you will be able to:

• Use the control and communications point of view to analyse problems arising in other disciplines

### Syllabus

Control (26 lectures): - Recap of the Laplace Transform and its properties, including initial and final value theorem - Differential equations and transfer functions - Characteristic equation - Block diagram notation - Use of Matlab and other CAD tools - Feedback Control Systems - Open loop v closed loop - Stability - Sensitivity - Disturbance rejection - Transient response - Steady state error - Root Locus Analysis - Bode Plots - Gain and Phase Margin, Bandwidth - Estimation of system transfer functions - Stability in the Frequency Domain - Nyquist Stability Criterion - Gain and Phase Margin - Controller Design - Common control methodologies - PI, PD and PID, Pole placement, Pole-zero cancellation - Compensators, Phase Lead and Lead-Lag - Benefits and Disadvantages - the need for other control strategies Communications (10 lectures): Analogue modulation: - AM, DSBSC and SSB with tone modulation; transmission band width - FM; defining equations and simple waveforms, modulation index, bandwidth, capture ratio - Noise and distortion Digital Modulation: - ASK, PSK, QPSK; constellation diagram - Pulse shaping, eye diagram - Demodulation and detection - Symbol and bit error probabilities - Comparison of analogue and digital modulation, - Software defined radio outlook

### Learning and Teaching

TypeHours
Lecture36
Tutorial12
Preparation for scheduled sessions18
Revision10
Follow-up work18
Total study time150

I. Otung (2001). Communication Engineering Principles.

Dorf R C & Bishop R H (5). Modern Control Systems.

Laboratory space and equipment required. Bespoke Laboratory Experiments

Software requirements. Matlab and toolboxes

L. Hanzo, S. X. Ng, W. T. Webb and T. Keller (2004). Quadrature Amplitude Modulation: From Basics to Adaptive Trellis-Coded, Turbo-Equalised and Space-Time Coded OFDM, CDMA and MC-CDMA Systems.

### Assessment

#### Summative

MethodPercentage contribution
Examination 75%
Laboratory 15%
Tutorial questions 10%

#### Repeat

MethodPercentage contribution
Examination 100%

#### Referral

MethodPercentage contribution
Examination 100%

#### Repeat Information

Repeat type: Internal & External

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