modelling and simulation 6. februar 2008 / dr. –ing naveed ramzan # process control and dynamics...
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Modelling and Simulation 6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Process Control and dynamics
Department of Chemical Engineering, U.E.T. Lahore Pakistan
Dr. –Ing. Naveed Ramzan
Lecture 1: Introduction to Process Control
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Course Books
Ch.E-411 PROCESS DYNAMICS AND CONTROLIntroduction & 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 ‹#›
Tentative Schedule
Ch.E-411 PROCESS DYNAMICS AND CONTROL Weeks Book Chapter
• Introduction & significance of control;
• Feedback& feed forward control; 1-2 1 1,2,3,13
• Design & Hardware elements of control;
• Dynamics of first & second order systems; 2-3 1(2) 10,11(5,6,8)
• Overall transfer function testability;
• Controllers (P, PI, PID etc) & 3-4 1(2) 14,15,16 (9.10.11.14.22)
• 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; 2-3 1 15,17,18
• Routh's criteria,
• Bode plots, Nyquit method;
• Computer control, 1
• Introduction to Distributed Control Systems; 1
• Case study: Development of control scheme of complete plant. 1
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Contact Hours
Section A
Monday : 3-4Thursday : 2
Section B
Tuesday 3-4, 5
KSK Campus
Friday 1-3
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Introduction to Process Control
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Introduction to Process Control
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Introduction to Process Control
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
What does a feedback system do?
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
What does a feedback system do?
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
What does a feedback system do?
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
What does a feedback system do?
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
What does a feedback system do?
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Basic Concept feedback system
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Examples of feedback system
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Examples of feedback system
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Examples of feedback system
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Examples of feedback system
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Examples of feedback system
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
What does a feedback system do?
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Why is Control Necessary?
Suppressing the influence of external disturbances
Ensuring the stability of a chemical process
Optimizing the performance of a chemical process
Incentives for Chemical Process Control
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Why is Control Necessary?
Suppressing the influence of external disturbances
Incentives for Chemical Process Control
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Why is Control Necessary?
Suppressing the influence of external disturbances
Incentives for Chemical Process Control
Disturbances?
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Why is Control Necessary?
Suppressing the influence of external disturbances
Incentives for Chemical Process Control
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Why is Control Necessary?
Ensuring the stability of a chemical process
Incentives for Chemical Process Control
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Why is Control Necessary?
Ensuring the stability of a chemical process
Incentives for Chemical Process Control
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Why is Control Necessary?
Ensuring the stability of a chemical process
Incentives for Chemical Process Control
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Why is Control Necessary?
Optimizing the performance of a chemical process
Incentives for Chemical Process Control
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Home Work-1
Modelling and Simulation 6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Modelling and Simulation 6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Instrumentation and Process Control
Department of Chemical Engineering, U.E.T. Lahore Pakistan
Dr. –Ing. Naveed Ramzan
Lecture 2: Design Aspects of a Process Control System
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Classification of Variables in a Chemical Process
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Example
Classification of Variables in a Chemical Process
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Design Elements of a Control System
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Design Elements of a Control System
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Design Elements of a Control System
Primary Measurements
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Design Elements of a Control System
Secondary MeasurementsUnmeasured output=ƒ(Secondary measurements)
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Design Elements of a Control System
Direct Measurements of external disturbances
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Design Elements of a Control System
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
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 ‹#›
Design Elements of a Control System
Same information flows to different manipulated variables
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Design Elements of a Control System
Same manipulated variables but different measurements
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Design Elements of a Control System
General Control Configurations
Feedback control configuration Feedforward control configuration
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Design Elements of a Control System
General Control Configurations
Inferential control configuration
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
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 ‹#›
Design Elements of a Control System
--- Proportional Control
--- Integral Control
--- Proportional Integral Control
--- Derivative Control
--- Proportional Integral Derivative Control
6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
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 ‹#›
Hardware for a process Control System
Modelling and Simulation 6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Modelling and Simulation 6. Februar 2008 / Dr. –Ing Naveed Ramzan ‹#›
Instrumentation and Process Control
Department of Chemical Engineering, U.E.T. Lahore Pakistan
Dr. –Ing. Naveed Ramzan
Lecture 3: Dynamic behaviour of first order system