PROCESS MODELING AND CONTROL T.F. Edgar The Department of Chemical Engineering The University of Texas at Austin What is process modeling and control Why.

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PROCESS MODELING AND CONTROL T.F. Edgar The Department of Chemical Engineering The University of Texas at Austin What is process modeling and control Why improve the technology Process control research in our department

Ensure safe plant operation Meet product specifications Optimize economic performance MIMO (vs. SISO) models Nonlinear (vs. linear) models Stochastic variables Large number of variables

3 Control System Monitoring and Diagnosis Dynamic Modeling of Chemical Processes Materials Processing Dynamic System Identification NMPC and Moving Horizon Predictions Optimization Theory and Algorithms Statistical Process Monitoring/Fault Diagnosis

4 TWCCC - Multiple Projects CompanyJBRTFEJQ Abbott Labs√√ AMD/Global Foundries√ Chemstations√ Chevron √ √ Eastman √ ExxonMobil √√ Emerson Proc. Mgt. √ Johnson Control √ Praxair √√ Shell√ Texas Instruments √ √ Weyerhaeuser√ Courting Air Liquide, Corning, Dow, Freescale, Honeywell, Inficon, Tokyo Electron

5 M.S., Ph.D. Graduates ( ) Student/SupervisorDestination E. Hale (JQ)Ph.D. (8/05)NREL R. Chong (TFE)M.S. (8/05)AMD L. Rueda (TFE)Ph.D. (12/05)Shell S. Harrison (TFE)Ph.D. (5/06)AMD D. Castineira (TFE)Ph.D. (5/06)Shell C. Harrison (JQ)Ph.D. (5/06)Marathon Oil A. Venkat (JBR)Ph.D. (5/06)Shell K. Chamness (TFE)Ph.D. (12/06)Spansion (AMD) G. Cherry (JQ)Ph.D. (12/06)AMD T. Farmer (TFE)Ph.D. (5/07)Capital One J. Yu (JQ)Ph.D. (5/07)Shell P. Larsen (JBR)Ph.D. (7/07)Dow E. Mastny (JBR)Ph.D. (7/07)BP Alaska M. Rajamani (JBR)Ph.D. (10/07)BP C. Schoene (JQ)Ph.D. (12/07)Multiphase Solutions Y. Cai (JQ)Ph.D. (8/08)Freescale A. Prabhu (TFE)Ph.D. (8/08)Air Liquide

6 M.S., Ph.D. Graduates (2008 – 2011) Student/Supervisor Destination H. Lee (TFE)Ph.D. (8/08)Intel Y. Zhang (TFE)Ph.D. (8/08)ExxonMobil D. Thiele (TFE)Ph.D. (5/09)Emerson D. Weber (TFE)Ph.D. (8/09)Shell Oil S. Abrol (TFE)Ph.D. (8/09)General Electric B. Parkinson (TFE)M.S. (8/09)Tokyo Electron B. Stewart (JBR)Ph.D. (8/10)Exxon-Mobil B. Bregenzer (JQ)Ph.D. (08/11)Interviewing Q. Shen (JQ)Ph.D. (12/10)Multiphase Solutions E. Joag (TFE)M.S. (12/10)Interviewing N. Patwardhan (TFE)M.S. (12/10)Volterra C. Alcala (JQ)Ph.D. (5/11)Interviewing I. Castillo (TFE)Ph.D. (5/11)Interviewing D. French (TFE)Ph.D. (8/11)Interviewing B. Gill (TFE)Ph.D. (8/11)Interviewing B. Spivey (TFE)Ph.D. (8/11) ExxonMobil S. Ziaii (TFE)Ph.D. (8/11)Interviewing

Edgar Group Project Areas Multivariable Control/Estimation Semiconductor Manufacturing Monitoring and Control Optimization of Petroleum Reservoir Production Flue Gas CO 2 Removal Strategies (Modeling, Control, Optimization) Model-based Fault Detection Diabetes Closed-loop Control Optimization and Control of Energy Systems Flare Combustion Modeling 7

8 Multivariable Control and Estimation D. French – Wireless feedback control (Emerson Process Management) J. Lee (postdoc) – Various topics in multivariable control (e.g., multiloop PI controller design, interaction analysis) I. Castillo – Fundamental model-based fault detection (Roberto Rocca Fellowship and PSTC) R. Palma − Dynamic modeling of blood glucose in Type 2 diabetes (joint with Adam Heller, NSF Fellow, and Abbott Labs)

9 Semiconductor Manufacturing Modeling/Control B. Gill – Virtual sensors in etch processes (Texas Instruments) X. Jiang – Controller performance monitoring in multiproduct manufacturing (NSF grant, Texas Instruments)

10 Energy Projects A. Nguyen and J. Kim – Petroleum reservoir production optimization (Joint with Larry Lake – Oil Company Consortium) S. Ziaii – CO 2 absorption process modeling and control/power plant energy integration (Joint with Gary Rochelle – U.S. DOE and UT Carbon Management Consortium) K. Kapoor − Semiconductor facility energy management (Texas Instruments) B. Spivey − Fundamental model-based control of fuel cell power systems (ExxonMobil) K. Powell − Optimization of thermal energy storage (NSF Fellow) W. Cole – Smart Grids and Combined Heat/Power – Pecan Street Project (DOE) A. Sriprasad – Smart Grid Behavioral Modeling – Pecan Street project NSF IGERT