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2021/22 Undergraduate Module Catalogue

ELEC2540 Control Systems

10 creditsClass Size: 160

Module manager: Dr. Zoran Ikonic
Email: z.ikonic@leeds.ac.uk

Taught: Semester 2 (Jan to Jun) View Timetable

Year running 2021/22

This module is not approved as a discovery module

Module summary

The teaching and assessment methods shown below will be kept under review during 2021-22. In particular, if conditions allow for alternative formats of delivery, we may amend the timetable and schedule appropriate classes in addition to (or in place of) any online activities/sessions. Where learning activities are scheduled to take place on campus, it may be possible and/or necessary for some students to join these sessions remotely. Some of the listed contact hours may also be optional surgeries. Students will be provided with full information about the arrangements for all of these activities by the module staff at the beginning of the teaching semester.‘Independent online learning’ may involve watching pre-recorded lecture material or screen-casts, engaging in learning activities such as online worked examples or mini-projects, etc. Students will be expected to fully engage with all of these activities. The time commitment for independent online learning, and also the frequency and duration of online sessions are approximate and intended as a guide only. Further details will be confirmed when the module commences.Where assessments are shown as Online Time-Limited Assessments, the durations shown are indicative only. The actual time permitted for individual assessments will be confirmed prior to the assessments taking place.

Objectives

The aim of this module is to gain understanding of the theory and practice of control systems, including linear systems analysis using Laplace transforms and transfer functions, the transient response of feedback systems, and stability criteria.

Learning outcomes
On completion of this module students should be able to:

1. Draw block diagrams of simple feedback systems to represent an engineering problem, derive closed-loop transfer functions and sketch polar and Bode plots of systems which include cascaded terms.
2. Analyse the transfer functions of simple systems, obtain impulse and step responses and combine systems in series and in parallel.
3. Obtain steady-state responses by applying the final-value theorem and frequency response methods.
4. Explain the significance of the system's characteristic equation and how the poles of a system affect its transient response.
5. Explain the relationship between unity and non-unity feedback systems, determine the class of a feedback system and relate it to the system's steady-state error for standard reference inputs.
6. Explain the significance of stability in practical and mathematical terms, and how the stability of a feedback system can be inferred from the roots of its characteristic polynomial, from Bode plots, and by the use of Nyquist's criterion.


Syllabus

Topics may include, but are not limited to:

Linear Systems: Laplace transforms and derivation of transfer functions
Standard form of a first-order system
Cascaded and summed transfer functions
Characteristic equation and significance of poles
Standard form of second-order system and its step response
Introduction to Feedback: Effects of feedback
Proportional, integral and differential control
System Classification: Relationship between unity and non-unity feedback systems
System type (class) and steady-state errors
Polar Frequency Response: Polar form of complex quantities
Frequency-response from transfer function
Cascaded terms
Bode plots
Stability: Concept of stability via roots of characteristic equation, from Bode plots, and from Nyquist's criterion


Teaching methods

Due to COVID-19, teaching and assessment activities are being kept under review - see module enrolment pages for information

Delivery typeNumberLength hoursStudent hours
Laboratory23.006.00
Seminar81.008.00
Independent online learning hours22.00
Private study hours64.00
Total Contact hours14.00
Total hours (100hr per 10 credits)100.00

Private study

Students are expected to use private study time to consolidate their understanding of course materials, to undertake preparatory work for seminars, workshops, tutorials, examples classes and practical classes, and also to prepare for in-course and summative assessments.


Opportunities for Formative Feedback

Students studying ELEC modules will receive formative feedback in a variety of ways, including the use of self-test quizzes on Minerva, practice questions/worked examples and (where appropriate) through verbal interaction with teaching staff and/or post-graduate demonstrators.

Methods of assessment

Due to COVID-19, teaching and assessment activities are being kept under review - see module enrolment pages for information


Coursework
Assessment typeNotes% of formal assessment
ProjectProject 120.00
Total percentage (Assessment Coursework)20.00

Resits for ELEC and XJEL modules are subject to the School's Resit Policy and the Code of Practice on Assessment (CoPA), which are available on Minerva. Students should be aware that, for some modules, a resit may only be conducted on an internal basis (with tuition) in the next academic session.


Exams
Exam typeExam duration% of formal assessment
Online Time-Limited assessment2 hr 00 mins30.00
Online Time-Limited assessment2 hr 00 mins50.00
Total percentage (Assessment Exams)80.00

Normally resits will be assessed by the same methodology as the first attempt, unless otherwise stated

Reading list

There is no reading list for this module

Last updated: 29/06/2021 16:47:29

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