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CHE
351
Process Dynamics and Control
Mathematical tools (linearization, Laplace transforms and block diagram algebra), process dynamics (first, second and higher orders), open loop and closed loop responses, and control valves, PID controller design, tuning and stability.
Prerequisites:
0640324,0640343
0640351
(3-0-3)

Prerequisites by Topic:

  • Elements of chemical engineering processes.
  • Mathematical tools and Laplace transforms.

Textbook(s):

D.E. Seborg, T.F. Edgar, D.A. Mellichamp & F. J. Doyle III "Process Dynamics & Control", John Wiley & Sons, Inc., United States, 3^rd edition, 2011.

Reference(s):

  • Principles and Practice of Automatic Process Control, 2^nd Edition, Smith C.A. and Corripio A.R., Jhon Wiley & Sons, 1997.
  • Process Modeling, Simulation and Control for Chemical Engineers. Luyben W., 2nd Edition, McGraw-Hill, 1990.
  • Chemical Process Control. An Introduction to Theory and Practice. G. Stephanopolous, Prentice Hall.

Topics Covered:

  • Objectives of automatic process control (3 hours)
  • Mathematical tools (6 hours)
  • Open loop dynamics (9 hours)
  • Control system instrumentation (6 hours)
  • Design of single loop feedback control systems (9 hours)
  • Stability of control loops (3 hours)
  • Tuning of feedback controllers (3 hours)
  • Cascade, Feed-forward and Ratio control (6 hours)

Assessment Criteria:

  • Homework
  • Quizzes
  • Midterm exams
  • Computer Assignment
  • Final exam

Course Objectives:

  1. Teach the basic principles of process dynamics. [1]
  2. Introduce control system instrumentation. [1]
  3. Teach the techniques for control system design and operation. [1, 2, 3]

Performance Criteria:

Objective 1:

Students will be able to:

1. Solve system of ordinary differential equations using Laplace Transform. (1)

2. Develop dynamic models of selected unit operations, e.g. tanks, reactors and flash units. (1)

3. Obtain linear models and represent them as transfer functions and block diagrams. (1)

4. Obtain open-loop dynamic responses and understand their characteristics. (1)

5. Simulate system responses using MATLAB/SimuLink. (1)

Objective 2:

Students will be able to:

1. Identify the basic components of control loops. (1)

2. Design transmitters and size control valves. (1,2)

Objective 3:

Students will be able to:

1. Design single-loop feedback control systems. (2)

2. Study closed-loop responses (6)

3. Tune PID controllers and perform stability analysis (6)

4. Simulate closed-loop systems with different control modes. (1,2,6)

ABET Category Content:

Engineering Science: 2 Credits or 67%

Engineering Design: 1 Credit or 33%

Course Classification

Student Outcomes Level (L, M, H) Relevant Activities
1. An ability to identify, formulate, and solve complex engineering problems by applying principles of engineering, science, and mathematics. H Formulating and solving dynamic models. Design and stability of control systems. Instrumentation
2. An ability to apply engineering design to produce solutions that meet specified needs with consideration of public health, safety, and welfare, as well as global, cultural, social, environmental, and economic factors. M Controller design. Tuning controller. Selection and design of control value
3. An ability to communicate effectively with a range of audiences.
4. An ability to recognize ethical and professional responsibilities in engineering situations and make informed judgments, which must consider the impact of engineering solutions in global, economic, environmental, and societal contexts.
5. An ability to function effectively on a team whose members together provide leadership, create a collaborative and inclusive environment, establish goals, plan tasks, and meet objectives.
6. An ability to develop and conduct appropriate experimentation, analyze and interpret data, and use engineering judgment to draw conclusions. L Identifying dynamics responses. Root Locus analysis
7. An ability to acquire and apply new knowledge as needed, using appropriate learning strategies.