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Department of Mechanical Engineering, Unit Catalogue 2006/07 |
ME40051 Advanced control |
Credits: 6 |
Level: Masters |
Semester: 1 |
Assessment: EX100 |
Requisites: |
Before taking this unit you must take ME30029 |
Aims:
* To give an understanding of sampled data system theory with reference to the digital control of dynamical systems. * To provide an introduction to modern control theory and to explore the links between this and classical control. * To show how modern control techniques can be used to control physical systems. Learning Outcomes: After taking this unit the student should be able to: * Evaluate the behaviour of single input/single output digital control systems and determine system stability. * Understand the problems associated with sampling signals. * Select appropriate methods to improve control systems performance. Represent and analyse both continuous-time and discrete-time systems described in state variable forms. * Understand the key features of neural and fuzzy controllers. Skills: Problem solving; numeracy; working independently. Content: Nature of sampled signals; selection of sample rate; aliasing; prefiltering. The Z transform. Open-loop and closed-loop digital control; stability of closed-loop digital systems. Root locus; estimation of the transient response using the Z-plane. Frequency response of discrete-time systems. Digital design techniques; approximation methods; digital PID controllers. Adaptive control. State representation of physical systems; non-uniqueness of states. Controllability and observability. Time response of continuous- and discrete-time systems. Observers and state feedback; modal control. Parameter estimation. Introduction to neural networks and fuzzy control. Topics for self study that could be examined. |
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