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Programme & Unit Catalogues

Department of Electronic & Electrical Engineering, Unit Catalogue 2007/08

EE10082 Electrical systems & control

Credits: 6
Level: Certificate
Semester: 2
Assessment: CW 20%, EX 80%

Aims & Learning Objectives:
To understand the operating principles and characteristics of separately excited d.c. motors. To be able to demonstrate the connection between measured system signals and control system performance, analyse control system performance graphically using Laplace domain pole/zero diagrams, use the concept of feedback to modify system performance, identify system performance criteria such as stability, response speed, damping and steady-state error.
DC machines: construction, operating principles and applications. DC motor as a variable speed drive: characteristics, base speed, 4-quadrant operation, regenerative braking and power supplies. Transducers & intelligent instrumentation. Performance of simple first and second order dynamic systems: natural frequency of oscillation and damping performance measures, system performance representation using the Laplace operator, pole/zero diagrams. Concepts of open loop and closed loop systems. Closed loop control for system performance modification, root locus diagrams.