Expertise
Advanced Process
Control and Optimization
Fuel Cell System
Design and Control
Education
B.S. from Illinois Instiute of
Technology (Chemical Engineering, 2006)
Ph.D. Degree from Illinois
Instiute of Technology (Chemical Engineering, 2011)
Awards/Honors
2006
Graduated in High Honors, IIT
2006 ChBE Research Fellowship,
ChBE
Department, IIT
2010 Starr/Research Foundation Fellowship, IIT
Professional
Experience
Research Assistant, Process Control and
Optimization Laboratory, IIT 2006-2011
·
Process
Modeling
o
ASPEN:
syn-gas cleaning, combustion turbines, steam cycles and mutli-stage
evaporation
o
MATLAB:
coal gasifier, non-isothermal reactor and PEM fuel cell
o
Model
reduction using the Galerkin method and singular perturbation theory
·
Process
Optimization
o
Linear,
quadratic and nonlinear programming
o
Convex
programming using Linear Matrix Inequalities
o
Mixed
integer global optimization using branch and bound search algorithms
·
Process
Control
o
Linear
and stochastic optimal control
o
Optimal
state estimation and measurement feedback
o
Constrained
model predictive control
Teaching Assistant,
Department
of Chemical and Biological Eng., IIT
20072011
·
ChE 433 - Process
Modeling (2007, 2009)
·
ChE 435 - Process
Control (2007, 2008, 2010)
·
ChE 481 - Flow in Porous
Media (2008)
·
ChE 515 - Natural Gas
Processing (2007)
·
ChE 530 - Advanced
Process Control (2008, 2009)
·
ChE 551 - Advanced
Transport Phenomena (2011)
Link to Course
Descriptions: link
Presentations
1.
"The Impact of Hydration Dynamics on the
Control of a PEM Fuel Cell," AIChE Annual Meeting, San
Francisco, CA
(2006).
2.
"Closed-Loop Control of a PEMFC: The
Impact and Control of Vehicle Loads," AIChE
Annual Meeting, Salt Lake City, UT (2007).
3.
The Impact of Hydration Dynamics on the Control
of PEM Fuel Cell," Center for Alternative Energy Technology, Chicago, IL (2008).
4. Load Characteristics and Control of a Hybrid
Fuel Cell /Battery Vehicle," American Control Conferences, St. Louis, MO (2009).
5. "Dynamics and Control of Membrane
Hydration in a PEMFC," American Control Conferences, St. Louis, MO (2009).
6.
"Power System and
Controller Design for Hybrid Fuel Cell Vehicles," AIChE Annual
Meeting, Nashville, TN
(2009).
7. Power System and Control Design for Hybrid
Fuel Cell Vehicles," American Control Conferences, Baltimore, MD (2010).
8.
Energy Storage Technology Selection for
Hybrid Fuel Cell Vehicles: A Globally Optimal Control System Based
Approach, AIChE Annual Meeting, Salt Lake City, UT (2010).
9.
Multi-scale Modeling and Control of a
PEM Fuel Cell, AIChE Annual Meeting, Salt Lake City, UT (2010).
10.
Power
System Design for a Hybrid Fuel Cell Vehicle: A Globally Optimal Approach,
AIChE Spring Meeting, Chicago,
IL (2011).
Publications
Archival Journal
1.
Ahmed, S.K.
and D.J. Chmielewski, Closed-Loop Hydration Dynamics
in the Membrane of a PEM Fuel Cell,
J. Power Sources, 196.13 (2011): 5555-5563.
2.
Ahmed, S.K.,
J-K. Peng and D.J. Chmielewski, Covariance
Based Hardware Selection, Part III:
Distributed Parameter Systems,
AIChE J., in press (2011).
3.
Ahmed,
S.K.
and D.J. Chmielewski, Power
System and Controller Design for Hybrid Fuel Cell Vehicles-Part I:
Conceptual Development," in preparation (2011).
4.
Ahmed,
S.K.
and D.J. Chmielewski, Power
System and Controller Design for Hybrid Fuel Cell Vehicles-Part II: MPC
Implementation," in preparation (2011).
5.
Ahmed,
S.K.
and D.J. Chmielewski, Multi-scale
Modeling and Control of a PEM Fuel Cell," in preparation (2011).
Conference Proceedings
1.
Ahmed, S.K. and
D.J. Chmielewski, Load
Characteristics and Control of a Hybrid Fuel Cell/Battery Vehicle,"
Proc. of
the Am. Cont. Conf., St. Louis, MO (2009).
2.
Ahmed, S.K. and
D.J. Chmielewski, Dynamics
and Control of Membrane Hydration in a PEMFC,"
Proc. of the
Am. Cont. Conf., St. Louis, MO (2009).
3.
Chmielewski, D.J.,
S.K. Ahmed, and B.P. Omell, A
Synergistic Analysis of Coal Based IGCC and Corn Based Ethanol Production,"
Proc. of
the Int. Pitt. Coal Conf., Pittsburgh, PA (2009).
4.
Ahmed, S.K. and D.J. Chmielewski, Power System and Control Design for
Hybrid Fuel Cell Vehicles, Proc. of the Am. Cont. Conf., Baltimore, MD (2010).