Last modified: 25 Mar 2016 11:34
This course focuses on the fundamental principles of control theory and the practice of automatic process control. The basic concepts involved in process control are then introduced, including the elements of control systems, feedback/forward control, block diagrams, and transfer functions. The mathematical techniques required for the analysis of process control are covered, focussing on Laplace Transform analysis. Development to more general situations is made through the study of second order systems and the application of compensation including PID control. The control theory developed is applied to a range of chemical engineering problems using simulation tools.
| Study Type | Undergraduate | Level | 4 |
|---|---|---|---|
| Term | First Term | Credit Points | 10 credits (5 ECTS credits) |
| Campus | None. | Sustained Study | No |
| Co-ordinators |
|
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1. Need for process control.
2. Terminology in process control.
3. Elements of a control system.
4. Sensors and control valves
5. Dynamics of chemical processes. Unsteady and input/output models. Transfer functions. Laplace transform. Dynamics of first order processes. Dynamics of second order processes.
6. Feedback control. Proportional, integral and derivative control action.
7. Dynamics of controlled processes. Transfer function of controlled processes. Effect of P, I, D control actions on the dynamic response of controlled processes.
8. Stability of controlled processes. Tuning of controller parameters.
9. Cascade control.
10. Feedforward control.
11. Degrees of freedom of unit operations. Number and choice of controlled and manipulated variables.
Recommended
textbook. George Stephanopoulos. Chemical Process Control.
An introduction to Theory and Practice. Prentice Hall, 1984.
Information on contact teaching time is available from the course guide.
1st Attempt: 1 three-hour written examination paper (80%), and continuous assessment (20%) made up from the following two elements:
Solutions to tutorial solutions provided.
Solutions to tutorial solutions is
provided. Students are expected to ask for feedback on their level of
understanding at the weekly feedback/tutorial sessions.
Tutorial questions will be handed in each week.
Students requiring feedback on the exam should make appointments within this
session to see the Course Coordinator.
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