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Anak Agung Julius

ANAK AGUNG JULIUS
Work Address
Home Address
Department of Electrical and Systems Engineering
142 Liberty Way
University of Pennsylvania
Deptford, NJ 08096
200 South 33rd Street
(215) 820-2571
Philadelphia, PA 19104
agung@seas.upenn.edu
http://www.seas.upenn.edu/∼agung
EDUCATION
Doctor in Applied Mathematics,
Universiteit Twente, Enschede, The Netherlands
February 2005
Thesis: On interconnection and equivalence of continuous and discrete systems: a behavioral perspective
Advisor: Arjan van der Schaft
Committee: Arun Bagchi, Arjan van der Schaft, Ed Brinksma, Hans Schumacher, Jan Willems, George
Pappas, Jan Willem Polderman, Rom Langerak.
Master of Science in Applied Mathematics (with distinction),
Universiteit Twente, Enschede, The Netherlands
June 2001
Thesis: Evolution of the modal densities of a class of stochastic hybrid systems
Advisor: Arjan van der Schaft, Henk Blom (NLR), Bert Bakker (NLR)
Bachelor of Engineering in Electrical Engineering (cum laude),
Institut Teknologi Bandung, Bandung, Indonesia
October 1998
Thesis: Visual based control of a robotic arm (written in Indonesian)
Advisor: Bambang Riyanto
PROFESSIONAL AND RESEARCH EXPERIENCE
University of Pennsylvania
June 2005 - date
Dept. Electrical and Systems Engineering, Philadelphia, USA
(Postdoctoral researcher)
My line of research includes systems biology, mathematical models in systems biology, control of biological
systems, hybrid systems, reduction of complex systems, verification and robust testing of hybrid systems.
University of Twente
December 2000 - March 2005
Dept. Applied Mathematics, Enschede, The Netherlands
(Doctoral student)
The Netherlands National Aerospace Lab.
December 2000 - June 2001
Air traffic management section, Amsterdam, The Netherlands
(Student researcher)
Engaged in research on analysis of density functions of stochastic hybrid systems. The result of the research
was reported as my MSc thesis.
Swiss Federal Lab for Materials Science and Technology
June - August 2000
Acoustic Department, Dubendorf, Switzerland
(Summer intern)
Worked on a joint project between Automatic Control Lab. of ETH Zurich and Acoustic Dept. of EMPA
Dubendorf. The project was about the control of sound transmission through a double panel system. I was
involved in the modeling and model validation of the plant.
A. A. Julius
p. 2
Control Systems Lab.
December 1998 - July 1999
Dept. Electrical Engineering, ITB, Indonesia
(Research assistant)
Engaged in research on system identification for active noise control. The approach was based on using
artificial neural network for identifying nonlinear dynamical systems.
Control Systems Lab.
March - September 1998
Dept. Electrical Engineering, ITB, Indonesia
(Final project)
Developed a visual based control system for a robotic arm.
Signal and Systems Lab.
September - December 1997
Dept. Electrical Engineering, ITB, Indonesia
(Student researcher)
Developed a DSP based system that can alter the timbre of human voices.
PT. Pupuk Sriwijaya
June - August 1997
Instruments maintenance unit, Palembang, Indonesia
(Practical trainee)
Embedded in the intruments maintenance unit of the largest fertilizer factory in Indonesia.
TEACHING EXPERIENCE
University of Pennsylvania
Spring 2008
Dept. Electrical and Systems Engineering, Philadelphia, USA
Teaching a graduate level course on Nonlinear Control Systems (ESE617).
University of Pennsylvania
Spring 2007
Dept. Electrical and Systems Engineering, Philadelphia, USA
Co-teaching and designing a graduate level course on Systems Biology (ESE680-003).
University of Pennsylvania
Fall 2006
Dept. Electrical and Systems Engineering, Philadelphia, USA
Alternative instructor for a graduate level course on Nonlinear Control Systems (ESE617).
University of Pennsylvania
Spring 2006
Dept. Electrical and Systems Engineering, Philadelphia, USA
Designing and teaching a graduate level course on Hybrid Systems (ESE601).
Institut Teknologi Bandung
April - June 1999
Dept. Electrical Engineering, Bandung, Indonesia
Teaching assistant for an undergraduate course on Optimization Methods.
Institut Teknologi Nasional
April - June 1999
Dept. Electrical Engineering, Bandung, Indonesia
Teaching as a substitute lecturer for an undergraduate course on Digital Control System.
AWARDS AND FELLOWSHIPS
NWO (Dutch National Science Organization) funding for my doctoral study
2000 - 2004
Summer Research Fellowship
Swiss Federal Lab for Materials Science and Technology (EMPA)
Summer 2000
VNO - NCW fellowship from NLR (The Netherlands National Aerospace Lab)
1999 - 2001
A. A. Julius
p. 3
Nominated as Best Student of Electrical Engineering Dept, ITB
1998
Top ten graduates of Electrical Engineering Dept, ITB
October 1998
PUBLICATIONS
Thesis
• A.A. Julius, On interconnection and equivalence of continuous and discrete systems: a behavioral
perspective, Doctoral dissertation, Dept. Applied Mathematics, University of Twente, The Netherlands,
2005.
• A.A. Julius, Evolution of the modal densities of a class of stochastic hybrid systems, Master thesis,
Dept. Applied Mathematics, University of Twente, The Netherlands, 2001.
Journal papers and book chapters
• A.A. Julius, M. Zavlanos, S.P. Boyd, G.J. Pappas, Genetic network identification using convex pro-
gramming, submitted for publication, 2007.
• P. Tabuada, A.D. Ames, A.A. Julius, G.J. Pappas, Approximate reduction of dynamical systems,
provisionally accepted for publication in Systems and Control Letters, 2007.
• A.A. Julius, A. Halasz, M.S. Sakar, H. Rubin, V. Kumar, G.J. Pappas, Stochastic modeling and control
of biological systems: the lactose regulation system of Escherichia coli, accepted for publication in
IEEE Trans. Automatic Control and IEEE Trans. Circuits and Systems joint special issue on Systems
biology, 2007.
• A.A. Julius, G. Fainekos, M. Anand, I. Lee, G.J. Pappas, Model-based Robust Test Generation and
Coverage for Hybrid Systems, in Hybrid Systems: Computation and Control, Lecture Notes in Com-
puter Science vol. 4416, pp. 329-342, Springer Verlag, 2007.
• A.A. Julius, J.W. Polderman, A.J. van der Schaft, Parametrization of the regular equivalences of the
canonical controller, accepted for publication in IEEE Trans. Automatic Control, 2007.
• A. Girard, A.A. Julius, G.J. Pappas, Approximate simulation relations for hybrid systems, accepted
for publication in Int. J. Discrete Event Dynamic Systems, 2006.
• A.A. Julius, G.J. Pappas, Approximate equivalence and synchronization of metric transition systems,
submitted to the Systems and Control Letters, 2006.
• A.A. Julius, G.J. Pappas, Approximate abstraction of stochastic hybrid systems, provisionally accepted
for publication in IEEE Trans. Automatic Control, 2006.
• A.A. Julius, Approximate abstraction of stochastic hybrid automata, in Hybrid Systems: Computation
and Control, Lecture Notes in Computer Science vol. 3927, pp. 318-332, Springer Verlag, 2006.
• A.A. Julius, J.C. Willems, M.N. Belur, H.L. Trentelman, The canonical controllers and regular inter-
connection, in Systems and Control Letters, 8(54), pp 787-797, August 2005.
Conference abstract and poster
• A.A. Julius, M. Zavlanos, S. Boyd , G.J. Pappas, Genetic network identification using convex program-
ming, at the 8th International Conference on Systems Biology, Long Beach, USA, 2007.
• M.S. Sakar, E. Steager, A.A. Julius, V. Kumar, M.J. Kim, G.J. Pappas, Microfabricated structures
powered by flagellated bacteria, at the 8th International Conference on Systems Biology, Long Beach,
USA, 2007.
• A.A. Julius, A. Halasz, V. Kumar, G.J. Pappas, A finite model for the random behavior in the lac-
tose regulation system of Escherichia coli, at the 7th International Conference on Systems Biology,
Yokohama, Japan, 2006.
A. A. Julius
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Peer reviewed conference papers
• A.A. Julius, M.S. Sakar, A. Bemporad, G.J. Pappas, Hybrid model predictive control of induction of
Escherichia coli, to appear in the Proc. 46th IEEE Conf. Decision and Control, New Orleans, USA,
2007.
• A. D’Innocenzo, A.A. Julius, G.J. Pappas, M.D. Di Benedetto, S. Di Gennaro, Verification of temporal
properties on hybrid automata by simulation relations, to appear in the Proc. 46th IEEE Conf.
Decision and Control, New Orleans, USA, 2007.
• A. D’Innocenzo, A.A. Julius, M.D. Di Benedetto, G.J. Pappas, Approximate timed abstractions of
hybrid automata, to appear in the Proc. 46th IEEE Conf. Decision and Control, New Orleans, USA,
2007.
• A.A. Julius, A. Halasz, V. Kumar, G.J. Pappas, Controlling biological systems: the lactose regulation
system of Escherichia coli, in the Proc. American Control Conference, New York, USA, 2007.
• A.A. Julius, A. Halasz, V. Kumar, G.J. Pappas, Finite state abstraction of a stochastic model of the
lactose regulation system of Escherichia coli, in the Proc. 45th IEEE Conf. Decision and Control, San
Diego, USA, 2006.*Best paper of the session*
• A.A. Julius, G.J. Pappas, Approximate equivalence and approximate synchronization of metric tran-
sition systems, in the Proc. 45th IEEE Conf. Decision and Control, San Diego, USA, 2006.
• P. Tabuada, A. Ames, A.A. Julius, G.J. Pappas, Approximate reduction of dynamical systems, in the
Proc. 45th IEEE Conf. Decision and Control, San Diego, USA, 2006.
• A. Girard, A.A. Julius, G.J. Pappas, Approximate simulation relations for hybrid systems, in the Proc.
IFAC Conf. Analysis and Design of Hybrid Systems, Alghero, Italy, 2006.
• A.A. Julius, A. Girard, G.J. Pappas, Approximate bisimulation for a class of stochastic hybrid systems,
in the Proc. American Control Conference, Minneapolis, USA, 2006.
• A.A. Julius, M.N. Belur, Behavioral control in the presence of disturbances, in the Proc. 44th IEEE
Conf. Decision and Control, Seville, Spain, 2005.
• A.A. Julius, A.J. van der Schaft, Bisimulation as congruence in the behavioral setting, in the Proc.
44th IEEE Conf. Decision and Control, Seville, Spain, 2005.
• A.A. Julius, J.W. Polderman, A.J. van der Schaft, Controller with minimal interaction, in the Proc.
IFAC World Congress, Prague, Czech Republic, 2005.
• A.A. Julius, A.J. van der Schaft, State maps of general behaviors, their lattice structure and bisimu-
lations, in the Proc. Conference on Mathematical Theory of Networks and Systems, Leuven, Belgium,
2004.
• A.A. Julius, A.J. van der Schaft, A behavioral framework for compositionality: linear systems, discrete
event systems and hybrid systems, in the Proc. Conference on Mathematical Theory of Networks and
Systems, Leuven, Belgium, 2004.
• J.C. Willems, M.N. Belur, A.A. Julius, H.L. Trentelman, The canonical controller and its regularity,
in the Proc. 42nd IEEE Conf. Decision and Control, pp 1639-1644, Hawaii, USA, 2003.
• A.A. Julius, A.J. van der Schaft, Compatibility of behavioral interconnections, in the Proc. European
Control Conf., Cambridge, UK, 2003.
• S.N. Strubbe, A.A. Julius, A.J. van der Schaft, Communicating Piecewise Deterministic Markov Pro-
cesses, in the Proc. IFAC Conf. Analysis and Design of Hybrid Systems, pp 349-354, St. Malo, France,
2003.
• A.A. Julius, S.N.Strubbe, A.J. van der Schaft, Control of hybrid behavioral automata by interconnec-
tion, in the Proc. IFAC Conf. Analysis and Design of Hybrid Systems, pp 135-140, St. Malo, France,
2003.
• A.J. van der Schaft, A.A. Julius, Achievable behavior by composition, in the Proc. 41st IEEE Conf.
Decision and Control, pp 7-12, Las Vegas, USA, 2002.
A. A. Julius
p. 5
• A.A. Julius, A.J. van der Schaft, The maximal controlled invariant sets of switched linear systems, in
the Proc. 41st IEEE Conf. Decision and Control, pp 3174-3179, Las Vegas, USA, 2002.
• O.E. Kaiser, A.A. Julius, S. Pietrzko, M. Morari, Uncontrollable modes in double wall panels, in the
Proc. 17th Int. Congress on Acoustics, Paper no. 7P.09., Rome, Italy, 2001.
Technical reports
• A.A. Julius, M. Zavlanos, S. Boyd , G.J. Pappas, Genetic network identification using convex program-
ming, Technical Report MS-CIS-07-20, Department of Computer and Information Science, University
of Pennsylvania, 2007.
• A.A. Julius, O.E. Kaiser, S. Pietrzko, M. Morari, Modeling, optimisation, and analysis of noise trans-
mission through a double panes system, Technical report AUT00-17, Automatic Control Lab, Dept.
Electrical Engineering, ETH Zurich, 2000.
INVITED TALKS AND LECTURES
Katholieke Universiteit Leuven (2003), University of Groningen (2004), CWI Amsterdam (Center for Mathe-
matics and Informatics) (2004), Carnegie Mellon University (2005), Drexel University (2006,2007), University
of New Mexico (2007).
PROFESSIONAL ACTIVITIES
• IEEE member,
• Reviewer for IEEE Transaction on Automatic Control, SIAM J. Control and Optimization, Systems
and Control Letters, and various conferences.
• Organizer of an invited session on Stochastic Hybrid Systems at the 2006 American Control Conference.
Chair person of a session at the American Control Conference 2006 and European Control Conference
2003.
SKILLS
Languages
• Indonesian: mother tongue
• English: fluent
• Dutch: state diploma of ”Dutch as a second language”
Computer software: C/C++, Pascal, MATLAB, Maple, LATEX, and others.
REFERENCES
Prof. George J Pappas
Prof. Mustafa Khammash
Dept. Electrical and Systems Engineering
Department of Mechanical Engineering
University of Pennsylvania
University of California at Santa Barbara
200 South 33rd Street
Engr II Bldg., Room 2324
Philadelphia PA 19104
Santa Barbara, CA 93106-5070
United States of America
United States of America
Ph. +1-215-898-9780, Fax. +1-215-573-2048
Ph. +1-805-893-4967, Fax. +1-805-893-8651
pappasg@ee.upenn.edu
khammash@engineering.ucsb.edu
A. A. Julius
p. 6
Prof. Vijay Kumar
Prof. Insup Lee
Dept. Mechanical Eng. & Applied Mechanics
Dept. Computer and Information Science
University of Pennsylvania
University of Pennsylvania
200 South 33rd Street
200 South 33rd Street
Philadelphia PA 19104
Philadelphia PA 19104
United States of America
United States of America
Ph. +1-215-898-0374, Fax. +1-215-573-2048
Ph. +1-215-898-3532, Fax. +1-215-573-7362
kumar@seas.upenn.edu
lee@cis.upenn.edu
Prof. Harvey Rubin
Prof. Arjan van der Schaft
School of Medicine
Institute for Mathematics and Computer Science
University of Pennsylvania
University of Groningen
522 Johnson Pavilion
P.O. Box 800
3610 Hamilton Walk
9700 AV Groningen
Philadelphia PA 19104
The Netherlands
United States of America
Ph. +31-50-363-3731, Fax. +31-50-363-3800
Ph. +1-215-662-6475, Fax. +1-215-573-1240
A.J.van.der.Schaft@math.rug.nl
rubinh@mail.med.upenn.edu