ASSUMPTION  UNIVERSITY

FACULTY OF ENGINEERING

COURSE  OUTLINE 2/2006

 

Course            :EE 4602 Industrial Instrumentation and Control

Prerequisite   :EE 2203 Signals and Systems/EE3404Feedback Control Systems

Instructor        : Dr.Seshanna.P

Office             : Room E52

Objectives      : At the end of the course the students will be able to

                       

1.      Name the main functional blocks in Instrumentation and Control

2.      Select suitable transducer to measure a physical variable.

                        3.   Design the required signal conditioning and transmission circuits.

                        4.   Design suitable zero/span circuits.

                        5.   Distinguish between open loop and closed loop control.

                        6.   Realize electronically on/off, P, PI, PID controllers.

7.      Apply A/D, D/A converters in industrial control systems.

8.      Draw ladder diagrams for discrete-state process control application.

                        9.   Select suitable power interfaces and final correcting elements.

                        10. Perform stability analysis and predict system response.

                        11. Know  different controller tuning methods.

                        12. Design typical industrial control system and specify components.

 

Text Book :     “ Process Control Instrumentation Technology ” by Curtis D Johnson

                          Eighth edition,  Prentice Hall 2006.

Visit the web site http://www.uh.edu/~tech13v/pcit  for updates on the text material

 

EXAMINATION SCHEDULE:

Mid term Examination: 12-1-2007  …9-11  hours         

Final Examination      :  12-3-2007… 13-16  hours

Note: Students are not allowed into examination hall if they are late by more than 10minutes.             

MARKS ALLOCATION AND GRADING :

 

Assignments                             : 10%

Midterm Examination                : 30%

Final Examination                      : 60%

Total                                        : 100%

 

Grading: indicative only

51 to 60% = C,  61 to 65% = C+,  66 to 70% = B- ,  71 to 75% = B ,  76 to 80% = B+ ,

81 to 90% =A- ,  91 to 100% = A

 

                                                                                                                                contd…

EE 4602  Industrial Instrumentation and  Control

 Subject matter coverage

 

Week 1            : Description of Industrial environment  with reference to Instrumentation

                          and Control. Process variables and measuring transducers- signal conditioning – Power interfaces- Final correcting elements – block diagram representation of Industrial  Control System.

 

Week 2           : Transducers – specifications. Static  specifications such as accuracy, resolution, repeatability and hysteresis. Dynamic specifications such as time constant t , dead time td , damping coefficient x , resonant frequency wn ,rise time tr ,settling time t­s and cut off frequency fh .

 

Week 3/4           Constructional details, working principles and characteristics of some example sensors used for measuring position, speed , temperature, force , velocity and so on.

 

Week 5/6           Signal conditioning and transmission -   applications of Instrumentation Amplifier, zero-span circuits, V/F and F/V converters, V/I converter,     4-20ma current loops, isolation techniques, electronic realisation.

 

Week 7/8           Control system concepts-open loop and closed loop control- analog controllers- on/off type –need for hysteresis, P, I, PI, PID type controllers and their electronic realisation. Problem of derivative overrun and integral wind up- solution, bump less transfer from automatic to manual and vice versa.

 

Week 9/10         Digital control techniques-digital controller block diagram-A/D and D/A converter types and their working and application in digital control. Realisation of P,PI,PID controller digitally. Discrete state process control principles. Ladder diagrams for relay controllers and PLCs

 

Week 11/12       Power interfaces-MOSFET, IGBT, Thyristor based power interfaces. Final correcting elements such as solenoids, servomotors, stepper motors. Isolation of power interfaces with electronic controller.

 

Week 13/14       System  response-stability analysis with Bode plots-controller tuning methods such as process reaction tuning, ultimate cycle tuning. Design of typical control system examples.

Week 15            Review and consolidation of the course content and assignment review.

Note:               1.Assignments will be given every week on the content covered and are

                           to be submitted in the following week

  2. 80% attendance is required to take the final examination

3.  Last day to withdraw with “W” is  5th February 2007

                                                                                                        Dr.P.Seshanna     

 

EE4602: Industrial Instrumentation and control

 

Brief Course description:

Description of main functional blocks in Industrial Instrumentation and Control- working principles and characteristics of transducers used for sensing temperature, speed, stress and strain etc. signal conditioning and application of instrumentation amplifier-signal transmission and isolation techniques. Closed loop and open loop  control concepts- on/off controllers and need for hysteresis- P,I,PI,PID type controllers and their electronic realization. Digital control techniques-A/D , D/A converters, Digital realization of P , PI, PID controllers. Ladder diagrams and introduction to PLCs.- Power interfaces- Thyristor based power interfaces- final correcting elements like solenoids, servomotors, stepper motors. Isolating power interface with electronic controller- System stability study using Bode plots. Empirical methods for process tuning-process reaction and ultimate cycle tuning.

 

Text Book::      “ Process Control Instrumentation Technology ” by Curtis D Johnson

                          Eighth edition,  Prentice Hall 2006.