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
##### 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
##### 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

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

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.

I. Otung (2001). Communication Engineering Principles.

Laboratory space and equipment required. Bespoke Laboratory Experiments

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

### Assessment

#### Summative

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

#### Referral

MethodPercentage contribution
Exam 100%

#### Repeat Information

Repeat type: Internal & External