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    The University of South Carolina
    Department of Chemical Engineering
    2C02, Swearingen Engineering Center
    301 South Main Street
    Columbia, SC 29208

    Ph 803.777.4181
    Fax 803.777.8265

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Edward P. Gatzke

Assistant Professor

Multivariable Air Pressure Tank System (Four Tanks)

An experimental pressure tank system has been developed for process control education. This flexible experimental apparatus is useful in demonstrating the theoretical content of the lecture courses. The system provides a hands-on opportunity for the students in undergraduate, intermediate, and advanced process controls courses to apply what they have learned on a chemical process with some industrial relevance. Typical lab exercises include both SISO and MIMO process modeling in the frequency and time domains as well as closed-loop exercises involving PID, IMC, and MPC. Photographs, a schematic, a key parts list, a high fidelity process model, and related publications are provided below.

Photograph of the Multivariable Air Pressure Tank System in the Lab


Schematic of the Multivariable Air Pressure Tank System

Key Parts List:

  • (2) BadgerMeterControl Valves
  • (2) E/P transducers
  • (2) PMV Modular Linear Positioners P3
  • (4) 0-100psig Omega Pressure Transducers
  • (4) 0-160psig Grainger 2" Pressure Gauges
  • (1) National Instruments DAQ Card
  • 3/8" and 1/2" Swagelok Metering Valves
  • 3/8" and 1/2" hard copper tubing
  • Type 304L SS Welded Pipe 4" schedule 10 (Large Tanks)
  • 2 1/2" Stainless Steel Pipe (Small Tanks)

For information on purchasing this system, please contact:

Assorted Photos:

High Fidelity Model:

Coming soon!

Relevant Publications:

C. E. Long, C. E. Holland, and E. P. Gatzke. "Experimental Air Pressure Tank Systems for Process Control Education.", Chemical Engineering Education, accepted for publication, May 2005.

C. E. Long, J. Miles, C. Holland, and E. P. Gatzke. "A Flexible Multivariable Experimental Air Tank System for Process Control Education." American Control Conference. Denver, CO, June 2003. [pdf format]

Swearingen Engineering Center • Columbia, SC 29208 • 803.777.4177 • webmaster@engr.sc.edu