Course Outline

Part A. Basic Control Concepts

Handouts: 

Control basics, examples and terminologies

Control strategies and benefits 

Lectures:

Feedback vs Feedforward - distillation column example (8:29)

How do controllers work (9:17)

How do controllers achieve benefits (5:44)

Five benefits of process control (10:00)

A crash course on control (11:01)

Part B. Process Dynamics

B.1: First principles modeling

Handouts:

Process modeling using the first principles

Lectures:

Process modeling - why, what and how (26:50)

The Laws of Conservation (10:05) 

Overall mass balance - Pool example (17:37)

Component balance - holding tank and mixing process (12:32)

Component balance with reaction - isothermal CSTR (13:16)

Energy balance - continuous tank heating system CSTH (15:30)

B.2: Model Simplification

Handouts:

Linearization and standardization

Lectures:

Linearization baics, Taylor series and simplification of tank model (15:11)

Linearization of CSTR model (13:13)

B.3: Laplace Transformation (LT)

Handouts:

Laplace transformation and solution of differential equations

Lectures:

What is Laplace transformation

LT of selected functions (11:39)

Important properties of LT (8:23)

Solution of first order ODE using LT (16:30)

Solution of second order ODE using LT (13:41)

B.4: Dynamic response

Handouts:

Lectures:

Step response of first order models (13:55)

Time delay or dead time (10:58)

Step response of second order models (12:26) 

B.5: System Identification

Handouts:

Lectures:

The 63.2% approach for identification of first order models (13:02)

Identification of second order underdamped models (13:40)

B.6: Approximation of time delay and higher order models

Handouts:

Lectures:

Taylor series and Pade approximation of time delay (7:33)

Taylor series approximation of higher order models (5:48)

Skogestd's half rule for approximation of high order models (5:55)

B.7: Solved problems

Handouts:

Lectures:

Temperature response in a heat exchanger due to a pulse input (12:44)

Exercise 4.2 Seborg et al. (3rd Ed.) - First order model and response characteristics (17:13)

Exercise 4.3 Seborg et al. (3rd Ed.) - First order response and alarm time (7:48)

Exercise 5.2 Seborg et al. (3rd Ed.) - Estimating model parameters from response (15:16)

Second order temperature response example (9:24) 

Part C: Process Control

C.1: Feedback fundamantals

Lectures:

Regulatory and tracking control (7:33)

On-off controller and its limitations (7:17)

C.2: PID controller

Lectures:

Control algorithm and Proportional control (7:24)

Offset issue with proportional control (5:34)

Integral action and PI controller (13:51)

Integral wind up, its remedy and simulation (11:00)

Derivative action and PID controller (19:06)

C.3: Contoller design

Lectures:

Forms of controller, effect of parameters, design considerations and methods (41:18)

Direct synthesis method - Part 1: First order model (11:33)

Direct synthesis method - Part 2: First order model with delay (5:30)

Direct synthesis method - Part 3: Second order model (6:35)

Continuous cycling method for PID controller design (6:37)

Reverse and direct acting controller (9:46)

Proportional gain and proportional band (PB) (3:55)

C.4: Stability analysis

Lectures:

General stability criterion (16:32)

Problem 1: use of the general stability criterion (5:10)

Problem 2: use of the general stability criterion (4:27)

Routh stability criteria - determing the range of Kc (18:06)

Routh stability criteria - determining stability under model change (8:02)

C.5: Solved problems

Lectures:

Part D: Miscellaneous Topics

D.1: Advanced Control

Lectures:

Cascade control (9:47)

D.2: Sensors and measurement devices

Lectures:

Control valves: working principles (3:23)

Types of control valves (1216)

Temperature sensors (10:15) 

How thermocouples work (9:04)

Flow rate measurement using differential pressure principle (4:49)

How to Measure Flow Rate with a DP Transmitter (6:08)