1. Lecture 1: Introduction to Process Control
Process Control and dynamics
Lecture 1: Introduction to Process Control
Dr. –Ing. Naveed Ramzan
Department of Chemical Engineering, U.E.T. Lahore Pakistan
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

2. Course Books
Ch.E-411 PROCESS DYNAMICS AND CONTROL
Introduction & significance of control; Feedback& feed forward control; Design & Hardware elements of control; Dynamics of first & second order systems; Overall transfer function testability; Controllers (P, PI, PID etc) & final control elements; Representation of control systems; Multiple control loops; cascade, ratio, over-riding etc. Introduction to stability of chemical processes; introduction to frequency response techniques; Routh's criteria, Bode plots, Nyquit method; Computer control, Introduction to Distributed Control Systems; Case study: Development of control scheme of complete plant.
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

3. Tentative Schedule Introduction & significance of control;
Ch.E-411 PROCESS DYNAMICS AND CONTROL Weeks Book Chapter
Introduction & significance of control;
Feedback& feed forward control; ,2,3,13
Design & Hardware elements of control;
Dynamics of first & second order systems; (2) ,11(5,6,8)
Overall transfer function testability;
Controllers (P, PI, PID etc) & (2) ,15,16 ( )
Final control elements
Representation of control systems;
Multiple control loops;cascade,ratio,over-riding etc. 1
Introduction to stability of chemical processes;
introduction to frequency response techniques; ,17,18
Routh's criteria,
Bode plots, Nyquit method;
Computer control,
Introduction to Distributed Control Systems;
Case study: Development of control scheme of complete plant. 1
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

4. Contact Hours Section A Monday : 3-4 Thursday : 2 Section B
Tuesday , 5
KSK Campus
Friday
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

5. Introduction to Process Control
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

6. Introduction to Process Control
Today is the era of information
Information that motivates the technological innovation
Challenge
-- Need to develop a vision for the future
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

7. Introduction to Process Control
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

8. What does a feedback system do?
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

9. What does a feedback system do?
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

10. What does a feedback system do?
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

11. What does a feedback system do?
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

12. What does a feedback system do?
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

13. Basic Concept feedback system
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14. Examples of feedback system
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15. Examples of feedback system
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

16. Examples of feedback system
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

17. Examples of feedback system
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

18. Examples of feedback system
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

19. What does a feedback system do?
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

20. Incentives for Chemical Process Control
Why is Control Necessary?
Incentives for Chemical Process Control
Suppressing the influence of external disturbances
Ensuring the stability of a chemical process
Optimizing the performance of a chemical process
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

21. Incentives for Chemical Process Control
Why is Control Necessary?
Incentives for Chemical Process Control
Suppressing the influence of external disturbances
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

22. Incentives for Chemical Process Control
Why is Control Necessary?
Incentives for Chemical Process Control
Suppressing the influence of external disturbances
Disturbances?
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

23. Incentives for Chemical Process Control
Why is Control Necessary?
Incentives for Chemical Process Control
Suppressing the influence of external disturbances
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

24. Incentives for Chemical Process Control
Why is Control Necessary?
Incentives for Chemical Process Control
Ensuring the stability of a chemical process
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

25. Incentives for Chemical Process Control
Why is Control Necessary?
Incentives for Chemical Process Control
Ensuring the stability of a chemical process
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

26. Incentives for Chemical Process Control
Why is Control Necessary?
Incentives for Chemical Process Control
Ensuring the stability of a chemical process
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

27. Incentives for Chemical Process Control
Why is Control Necessary?
Incentives for Chemical Process Control
Optimizing the performance of a chemical process
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

28. Home Work-1
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

29. ???
Questions
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

30. Lecture 2: Design Aspects of a Process Control System
Instrumentation and Process Control
Lecture 2: Design Aspects of a Process Control System
Dr. –Ing. Naveed Ramzan
Department of Chemical Engineering, U.E.T. Lahore Pakistan
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

31. Classification of Variables in a Chemical Process
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

32. Example Classification of Variables in a Chemical Process
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

33. Design Elements of a Control System
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

34. Design Elements of a Control System
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

35. Primary Measurements Design Elements of a Control System
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

36. Secondary Measurements Unmeasured output=ƒ(Secondary measurements)
Design Elements of a Control System
Secondary Measurements
Unmeasured output=ƒ(Secondary measurements)
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

37. Direct Measurements of external disturbances
Design Elements of a Control System
Direct Measurements of external disturbances
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

38. Design Elements of a Control System
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

39. A control configuration is the information
Design Elements of a Control System
A control configuration is the information
structure that is used to connect the available
measurements to the available manipulated
variables.
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

40. Same information flows to different manipulated variables
Design Elements of a Control System
Same information flows to different manipulated variables
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

41. Same manipulated variables but different measurements
Design Elements of a Control System
Same manipulated variables but different measurements
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

42. General Control Configurations
Design Elements of a Control System
General Control Configurations
Feedback control configuration
Feedforward control configuration
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

43. General Control Configurations
Design Elements of a Control System
General Control Configurations
Inferential control configuration
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

44. General Control Configurations
Design Elements of a Control System
General Control Configurations
--- Single input , Single output (SISO)
--- Multiple input , Multiple output (MIMO)
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

45. Design Elements of a Control System
--- Proportional Control
--- Derivative Control
--- Integral Control
--- Proportional Integral Control
--- Proportional Integral Derivative Control
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

46. Hardware for a process Control System
--- Chemical Process
--- Measurement Instruments or sensors
--- Transducers
--- Transmission lines
--- The Controller
--- The Final Control Element
--- Recording Elements
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

47. Hardware for a process Control System
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

48. ???
Questions
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›

49. Lecture 3: Dynamic behaviour of first order system
Instrumentation and Process Control
Lecture 3: Dynamic behaviour of first order system
Dr. –Ing. Naveed Ramzan
Department of Chemical Engineering, U.E.T. Lahore Pakistan
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›