Instrumentation and Control

Year
3
Academic year
2022-2023
Code
01018522
Subject Area
Chemical Engineering
Language of Instruction
Portuguese
Mode of Delivery
Face-to-face
Duration
SEMESTRIAL
ECTS Credits
6.0
Type
Compulsory
Level
1st Cycle Studies

Recommended Prerequisites

Calculus I, II and III, Linear Algebra and Analytic Geometry, Programing and Numerical Methods, Modeling, Simulation and Optimization, Chemical Engineering Laboratories II.

Teaching Methods

Transductors: static and dynamic characteristics. Liquid and bimetal thermometers. RTD elements and thermocouples. Volume and mass flow rate measurement instruments. Pressure and level sensors. Other: pH, conductivity, viscosity, composition. Control valves. Connection structures in computer based control systems. A/D and D/A conversion.Input-output digital lines. Electrical insulation. Main control strategies. Typical components of the control loops: sensors, signal conversion, actuators. Application examples. Principles of

dynamic modeling and analysis. Control loops. Feedback and feedforward control. On-off control. PID control. Design and analysis of control systems stability and performance. Introduction to multivariable process control. Typical applications of control systems in chemical processes.

Learning Outcomes

Understanding of general principles of data acquisition, signal processing and control systems. Instrumentation, inferential sensors and data acquisition systems for process monitoring and control. Feedback and feedforward mechanisms. Formulation and application of mathematical models to identify and to characterize the dynamic behavior of a chemical process in view of its control. Application of control systems design and analysis methodologies.

The course aims at developing the following skills: Ability in analysis and synthesis; ability to formulate and solve problems; knowledge of programming and numerical simulation; Capacity of autonomous work and teamwork; Capability of critical thinking; Quality concerns; Competence in applying theoretical knowledge in practice.

Work Placement(s)

No

Syllabus

Transductors: static and dynamic characteristics. Liquid and bimetal thermometers. RTD elements and thermocouples. Volume and mass flow rate measurement instruments. Pressure and level sensors. Other: pH, conductivity, viscosity, composition. Control valves. Connection structures in computer based control systems. A/D and D/A conversion.Input-output digital lines. Electrical insulation. Main control strategies. Typical components of the control loops: sensors, signal conversion, actuators. Application examples. Principles of

dynamic modeling and analysis. Control loops. Feedback and feedforward control. On-off control. PID control. Design and analysis of control systems stability and performance. Introduction to multivariable process control. Typical applications of control systems in chemical processes.

Head Lecturer(s)

Lino de Oliveira Santos

Assessment Methods

Assessment
Project: 25.0%
Exam: 75.0%

Bibliography

Åström, K. J.; Hägglund, T. Automatic Tuning of PID Controllers. Instrument Society of America, Research Triangle Park, NC, 1988.

Jones, E.B., Instrument Technology – Measurements of pressure, level, flow and temperature. 3rd ed., Mewnes-Butterworths-Heinemann, London, 2013.

Luyben, W. L. Process Modeling, Simulation and Control for Chemical Engineers. 2nd ed., McGraw-Hill, New York, NY, 1990.

Meier, F. A.; Meier, C. A. Instrumentation and Control Systems Documentation, 2nd ed,, International Society of Automation, 2011.

Ogunnaike, B.A.; Ray, W. H. Process Dynamics, Modeling and Control, Oxford University Press. New York, NY, 1994.

Seborg, D. E.; Edgar, T. F.; Mellichamp, D. A.; Doyle, F. J. Process Dynamics and Control. 4th ed., John Wiley & Sons, New York, NY, 2016.

Stephanopoulos G. Chemical Process Control: An Introduction to Theory and Practice. Prentice-Hall Inc., Englewood Cliffs, NJ, 1984.