CONTROL of CHEMICAL PROCESSES

Programma

Corso di Laurea Magistrale in Ingegneria Chimica per la Sostenibilità Industriale (LM-22)

Anno Accademico 2014 - 2015

 

CORSO DI CONTROL OF CHEMICAL PROCESSES (Cod. 91228)

 

Course teacher: Dr. Mattia Frasca

Room # 29 – Dipartimento Ingegneria Elettrica Elettronica e Informatica (DIEEI) V Floor Polifunzionale Building.

Tel 095-7382307, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Office hours: Day: Tuesday at 10.00-13.00; Day: Thursday 10.00-13.00

 

Docente del corso: Dr Mattia Frasca

Stanza N° 29 – Dipartimento Ingegneria Elettrica Elettronica e Informatica (DIEEI) V Piano Edificio Polifunzionale

Tel. 095738-2307, e-mail This email address is being protected from spambots. You need JavaScript enabled to view it.

Orario di ricevimento: Giorno: Martedì ore 9.00-12.00; Giorno : Giovedì ore 10.00-13.00

OBIETTIVI

Aim of the course is to introduce the fundamentals of process control, starting from modelling issues to design of PID controllers for chemical plants and processes. Theoretical aspects as well as practical procedures are covered. For each of the topic the theoretical treatment is followed by an implementation stage of the main practical methods through MATLAB excercises.

 

PREREQUISITI RICHIESTI

No preparatory aspects

FREQUENZA LEZIONI

The student is required to attend at least 70% of the lessons, cfr. Punto 3.3 of Regolamento Didattico of CLM in Chemical Engineering for Industrial Sustainability

TESTI DI RIFERIMENTO

1. T. E. Marlin, Process Control, McGraw Hill, 2nd Ed.

 

2 J. J. D’Azzo, C. H. Houpis, Linear control system analysis and design, McGraw Hill, 4th Ed.

PROVA D’ESAME

 

 

Appelli successivi all’erogazione del corso

Oral examinations.

Modalità di iscrizione ad un appello d’esama

The reservation for an exame session is mandatory and must be made exclusively through the web portal students within the scheduled period.

Date d’esame 

www.ing.unict.it

CONSEGNA MATERIALE DIDATTICO

Educational material in electronic format delivered by the teacher during the course.

 

PROGRAMMA DEL CORSO

1. INTRODUCTION TO PROCESS CONTROL

Introductory considerations on control. Control objectives and benefits.

 

Textbook 1

Chapters: 1-2

2. MODELLING OF CHEMICAL PROCESSES

Mathematical modelling principles. Balancing equations, procedures and examples. Linearization.

 

Textbook 1

Chapter: 3

3. PROCESS DYNAMICS

The Laplace Transform. Input-output models. Transfer functions. Block diagrams. Response to canonical inputs. Response to arbitrary signals. Frequency response

 

Textbook 2

Chapter: 4

4. DYNAMIC BEHAVIOR OF TYPICAL PROCESS SYSTEMS

Dynamic behavior of first order systems. Dynamic behaviour of second order systems. Dynamic behaviour of first order systems with dead time. Pole dominance

 

Textbook 1

Chapter: 5

5. STABILITY

The concept of stability. Stability and location of poles. Criteria for analysis of stability. Routh test. Bode criterion.

 

Textbook 1

Chapter: 10

 

Textbook 2

Chapter: 4

6. EMPIRICAL MODEL IDENTIFICATION

Introduction. Empirical Model building procedure. The process reaction curve. Statistical model identification.

 

Textbook 1

Chapter: 6

7. PID CONTROLLERS

The feedback loop. The PID algorithm. Proportional, integral and derivative mode. The PID controller. Methods for PID tuning: PID controller tuning for dynamic performance. Methods for PID tuning: the Ziegler-Nichols closed-loop method. Digital implementation of PIDs. Practical issues of PID application.

 

Textbook 1

Chapters: 7-12

8. ENHANCEMENTS TO SINGLE-LOOP PID FEEDBACK CONTROL

General principles. Cascade control. Feedforward control.

 

Textbook 1

Chapters: 14-15

 

 

MATLAB EXERCISES

Matlab excercises for the topics covered by theory.

 

 

Didactic material provided to the students

 

Dispense fornite agli studenti