Gábor Orosz

Contact

Research Interest

Nonlinear dynamics and control, time-delay systems, networks and complex systems,
dynamics and control of connected vehicles, ground robots and autonomous vehicles,
neural networks, gene-regulatory networks.

[watch video]

Positions

2010-          Assistant Professor
University of Michigan, Ann Arbor
Department of Mechanical Engineering

2008-2010 Postdoctoral Fellow
University of California, Santa Barbara
Department of Mechanical Engineering

2005-2008 Postdoctoral Fellow
University of Exeter
School of Engineering, Computing and Mathematics

Education

PhD in Engineering Mathematics
University of Bristol, 2006

MSc in Engineering Physics
Budapest University of Technology and Economics, 2002

Teaching

ME548 - Applied Nonlinear Dynamics (Fall 2012)
Department of Mechanical Engineering, University of Michigan, Ann Arbor

ME360 - Modeling, Analysis and Control of Dynamic Systems (Winter 2011, Winter 2012)
Department of Mechanical Engineering, University of Michigan, Ann Arbor

ME540 - Intermediate Dynamics (Fall 2010, Fall 2011)
Department of Mechanical Engineering, University of Michigan, Ann Arbor

ME215B - Applied Dynamical Systems II (Winter 2009) - guest lecture series on Dynamical Systems with Delay
Department of Mechanical Engineering, University of California, Santa Barbara

ME215A - Applied Dynamical Systems I (Fall 2008, Fall 2009) - guest lectures on Asymptotic Behavior
Department of Mechanical Engineering, University of California, Santa Barbara

MASM010 - Differential Equations and Chaos (Spring 2006, Spring 2007, Spring 2008) - half of the course
School of Engineering, Computing and Mathematics, University of Exeter, UK

MAS3010 - Mathematical Biology and Ecology (Fall 2005) - guest lectures on Predator-Prey Systems and Turing Mechanism
School of Engineering, Computing and Mathematics, University of Exeter, UK

Publications

Theme Issues

Journal Publications

[12] G. Orosz, R. E. Wilson, and G. Stépán.
Traffic jams: dynamics and control.
Philosophical Transactions of the Royal Society A, 368(1928):4455-4479, 2010. [doi] [pdf]

[11] G. Orosz, J. Moehlis, and F. Bullo.
Robotic reactions: Delay-induced patterns in autonomous vehicle systems.
Physical Review E, 81(2):025204(R), 2010. [doi] [pdf]

[10] G. Orosz, J. Moehlis, and R. M. Murray.
Controlling biological networks by time-delayed signals.
Philosophical Transactions of the Royal Society A, 368(1911):439-454, 2010. [doi] [pdf]

[9] G. Orosz, R. E. Wilson, R. Szalai, and G. Stépán.
Exciting traffic jams: Nonlinear phenomena behind traffic jam formation on highways.
Physical Review E, 80(4):046205, 2009. [doi] [pdf]

[8] G. Orosz, J. Moehlis, and P. Ashwin.
Designing the dynamics of globally coupled oscillators.
Progress of Theoretical Physics, 122(3):611-630, 2009. [doi] [pdf]

[7] G. Orosz, P. Ashwin, and S. Townley.
Learning of spatio-temporal codes in a coupled oscillator system.
IEEE Transactions on Neural Networks, 20(7):1135-1147, 2009. [doi] [pdf]

[6] D. Takács, G. Orosz, G. Stépán.
Delay effects in shimmy dynamics of wheels with stretched string-like tyres.
European Journal of Mechanics A, 28(3):516-525, 2009. [doi] [pdf]

[5] P. Ashwin, G. Orosz, J. Wordsworth, and S. Townley.
Dynamics on networks of cluster states for globally coupled phase oscillators.
SIAM Journal on Applied Dynamical Systems, 6(4):728-758, 2007. [doi] [pdf]

[4] G. Orosz and G. Stépán.
Subcritical Hopf bifurcations in a car-following model with reaction-time delay.
Proceedings of the Royal Society A, 462(2073):2643-2670, 2006. [doi] [pdf]

[3] G. Orosz, B. Krauskopf, and R. E. Wilson.
Bifurcations and multiple traffic jams in a car-following model with reaction-time delay.
Physica D, 211(3-4):277-293, 2005. [doi] [pdf]

[2] G. Orosz and G. Stépán.
Hopf bifurcation calculations in delayed systems with translational symmetry.
Journal of Nonlinear Science, 14(6):505-528, 2004. [doi] [pdf]

[1] G. Orosz, R. E. Wilson, and B. Krauskopf.
Global bifurcation investigation of an optimal velocity traffic model with driver reaction time.
Physical Review E, 70(2):026207, 2004. [doi] [pdf]

Book Chapters

[1] P. Ashwin, G. Orosz, and J. Borresen.
Heteroclinic switching in coupled oscillator networks: dynamics on odd graphs.
Nonlinear Dynamics and Chaos: Advances and Perspectives, Understanding Complex Systems,
M. Thiel, J. Kurths, M. C. Romano, A. Moura, and G. Károlyi eds., Springer, 31-50, 2010. [doi] [pdf]

Refereed Proceedings

[9] G. Orosz and S. P. Shah.
A nonlinear modeling framework for autonomous cruise control.
Proceedings of the ASME Dynamic Systems and Control Conference, ASME, 2012. [pdf]

[8] G. Orosz.
Decomposing the dynamics of delayed networks: equilibria and rhythmic patterns in neural systems.
Tenth IFAC Workshop on Time-Delay Systems, R. Sipahi ed., 173-178, IFAC, 2012. [link] [pdf]

[7] G. Orosz, J. Moehlis, and F. Bullo.
Delayed car-following dynamics for human and robotic drivers.
Proceedings of the ASME IDETC/CIE Conference, Paper no. DETC2011-48829, 529-538, ASME, 2011. [doi] [pdf]

[6] G. Orosz and J. Moehlis.
Controlling neural clustering using delayed inputs.
Eighth IFAC Workshop on Time-Delay Systems, E. Petre ed., 435-439, IFAC, 2009. [link] [pdf]

[5] G. Orosz, P. Ashwin, J. Wordsworth, and S. Townley.
Cluster synchronization, switching and spatiotemporal coding in a phase oscillator network.
Proceedings of Applied Mathematics and Mechanics, 7(1):1030703-1030704, 2007. [doi] [pdf]

[4] G. Orosz, B. Krauskopf, and R. E. Wilson.
Traffic jam dynamics in a car-following model with reaction-time delay and stochasticity of drivers.
Sixth IFAC Workshop on Time-Delay Systems, C. Manes and P. Pepe eds., 199-204, IFAC, 2006. [link] [pdf]

[3] G. Stépán and G. Orosz.
Hopf calculations in delayed car-following models.
Sixth IFAC Workshop on Time-Delay Systems, C. Manes and P. Pepe eds., 193-198, IFAC, 2006. [link] [pdf]

[2] G. Orosz.
Hopf bifurcation calculations in delayed systems.
Periodica Polytechnica, 48(2):189-200, 2004. [link] [pdf]

[1] G. Orosz, R. E. Wilson, and B. Krauskopf.
Bifurcations in a car-following model with delay.
Fifth IFAC Workshop on Time-Delay Systems, W. Michiels and D. Roose eds., IFAC, 2004. [pdf]

Presentations

Organized Meetings

Minisymposium on Delayed Network Dynamics
SIAM Conference on Applications of Dynamical Systems
Snowbird, Utah, 19-23 May 2013

Michigan Robotics Day
University of Michigan, Ann Arbor, 9 April 2012

Minisymposium on Traffic Dynamics
SIAM Conference on Applications of Dynamical Systems
Snowbird, Utah, 22-26 May 2011

Minisymposium on Traffic Dynamics
Dynamics Days Europe 2010
University of Bristol, 6-10 September 2010

Minisymposium on Dynamics of Networks with Time Delay
SIAM Conference on Applications of Dynamical Systems
Snowbird, Utah, 17-21 May 2009

Minisymposium on Nonlinear Dynamics of Neural Networks
British Applied Mathematics Colloquium
University of Bristol, 17-19 April 2007

Exeter Neurodynamics Meeting
University of Exeter, 17 July 2006

Plenary and Thematic Talks

From delayed nodes to delayed networks: applications in transportation science and biology
International Congress on Industrial and Applied Mathematics
Vancouver, British Columbia, 18-22 July 2011

Controlling networks with time delay: from highway traffic to genetic circuits
Delayed Complex Systems
Max Planck Institute for the Physics of Complex Systems, Dresden, 5-9 October 2009

The nonlinear dynamics of car-following models with reaction-time delay of drivers
Traffic Flow: a Microscopic and Macroscopic Perspective
University of Hamburg, 11-12 October 2007

Invited Presentations

Designing connected vehicle systems with time delays
SIAM Conference on Applications of Dynamical Systems
Snowbird, Utah, 19-23 May 2013

Dynamics and control of connected vehicles: graphs, delays, nonlinearities
Control Seminar Series
University of Michigan, 5 April 2013

From delayed nodes to delayed networks: Applications in transportation and biology
Mechanical Engineering Seminar
University of New Mexico, 8 March 2013

Deciphering delayed network dynamics: Equilibria and rhythmic patterns in neural systems
Delayed Complex Systems
Palma de Mallorca, Spain, 4-8 June 2012

From Delayed nodes to delayed networks: Applications in transportation and biology
Applied Mathematics Colloquium
Northwestern University, 21 May 2012

Clustering dynamics in delayed neural networks
Control and Dynamical Systems Seminars
California Institute of Technology, 21 February 2012

Dynamics and control of neural networks and gene regulatory circuits with time delays
Delay Differential Equations in Applications: Common Themes and Methods
Vancouver, British Columbia, 14-16 July 2011

Traffic jams: dynamics and control
SIAM Conference on Applications of Dynamical Systems
Snowbird, Utah, 22-26 May 2011

Traffic jams: dynamics and control
Applied Mathematics Colloquium
University of Waterloo, 18 March 2011

Traffic jams: dynamics and control
Applied & Interdisciplinary Mathematics Seminar
University of Michigan, 25 February 2011

Traffic jams: dynamics and control
Control Seminar Series
University of Michigan, 18 February 2011

Traffic jams: dynamics and control
Dynamics Days Europe 2010
University of Bristol, 6-10 September 2010

Human vs. robotic reactions: Delay-induced patterns in vehicular traffic
Department of Mechanical Engineering Seminars
University of Michigan, 22 March 2010

Human vs. robotic reactions: Delay-induced patterns in vehicular traffic
Department of Engineering Science and Mechanics Seminars
Virginia Polytechnic Institute and State University, 1 March 2010

Controlling networks with time delay: from robotic vehicles to genetic circuits
Bristol Centre for Applied Nonlinear Mathematics Seminars
University of Bristol, 4 December 2009

Nonlinear dynamics, time delays and traffic congestion
Department of Computer Science Seminars
Catholic University of Leuven, 2 December 2009

Computing and encoding with clusters in neural networks
SIAM 2009 Annual Meeting
Denver, Colorado, 6-10 July 2009

Computing and encoding with clusters
SIAM Conference on Applications of Dynamical Systems
Snowbird, Utah, 17-21 May 2009

Transcription and translation delays in synthetic gene regulatory networks
Control and Dynamical Systems, RMM Group Meeting
California Institute of Technology, 6 February 2009

The nonlinear dynamics of complex networks: from highway traffic to olfactory neurons
Center for Control, Dynamical Systems and Computation Seminars
University of California, Santa Barbara, 24 October 2008

The nonlinear dynamics of complex networks: from highway traffic to olfactory neurons
Institute for Industrial Mathematics Seminars
University of Paderborn, 7 May 2008

Learning spatiotemporal codes in coupled oscillator systems
Mathematical Institute Seminars
University of Cologne, 3 April 2008

Heteroclinic networks and clustering in simple models of neural activity
Sixth International Congress on Industrial and Applied Mathematics
Zurich, Switzerland, 16-20 July 2007

The dynamics of transient cluster synchronisation in coupled oscillator systems
Nonlinear Neurodynamics Workshop
University of Exeter, 5-6 July 2007

Networks that draw networks or honeybees on scent
Center for Nonlinear Science Seminars
Massachusetts Institute of Technology, 6 June 2007

Robust heteroclinic networks of cluster states in coupled phase oscillator systems
SIAM Conference on Applications of Dynamical Systems
Snowbird, Utah, 29 May - 1 June 2007

Networks that draw networks or honeybees on scent
Institute for Nonlinear Science Seminars
University of California, San Diego, 24 May 2007

The dynamics of vehicular traffic with reaction-time delay and stochasticity of drivers
Control and Dynamical Systems Seminars
California Institute of Technology, 21 May 2007

Networks that draw networks or honeybees on scent
Seminars in Statistical Physics
Loránd Eötvös Science University, Budapest, 13 April 2007

Traffic jam dynamics in a car-following model with reaction-time delay and stochasticity of drivers
Sixth IFAC Workshop on Time-Delay Systems
L'Aquila, Italy, 10-12 July 2006

The dynamics of vehicular traffic with drivers' reaction time delay
Presentations by Britain's Top Younger Scientists, Engineers and Technologist
House of Commons, The United Kingdom Parliament, 13 March 2006

Delayed traffic models or cars which draw mushrooms
Seminars in Mechanics
Budapest University of Technology and Economics, 13 May 2004

Contributed Presentations

A nonlinear modeling framework for autonomous cruise control
ASME Dynamic Systems and Control Conference
Fort Lauderdale, 17-19 Oct 2012

Decomposing the dynamics of delayed networks: equilibria and rhythmic patterns in neural systems
Tenth IFAC Workshop on Time Delay Systems
Northeastern University, Boston, Massachusetts, 22-24 June 2012

Controlling biological networks by time-delayed signals
Systems Biology Symposium
University of Michigan, 4 Apr 2011

Traffic jams: dynamics and control
6th KAIST-UM Joint Workshop on Frontiers in Mechanical Engineering Education and Research
Napa Valley, California, 16-18 Dec 2010

Robotic reactions: Delay-induced patterns in autonomous vehicle systems
2010 ICB Army-Industry Collaboration Conference
Santa Barbara, California, 3-4 March 2010

Vehicular traffic dynamics: from human to robotic drivers
Dynamics Days 2010
Northwestern University, 4-7 January 2010

Vehicular traffic dynamics: from human to robotic drivers
Southern California (Nonlinear) Control Workshop
University of California, Irvine, 6 November 2009

Controlling neural clustering using delayed inputs
Eighth IFAC Workshop on Time-Delay Systems
Sinaia, Romania, 1-3 September 2009

Controlling clustering behavior in neural networks
SIAM Conference on Control and Its Applications
Denver, Colorado, 6-8 July 2009

Learning spatiotemporal codes in coupled oscillator systems
Dynamics Days 2009
University of California, San Diego, 8-11 January 2009

Learning spatiotemporal codes in coupled oscillator systems
PANDA meeting on Coupled Cell and Network Dynamics
University of Leeds, 11 April 2008

The dynamics of wheel shimmy with delay and tyre relaxation length
Sixth International Congress on Industrial and Applied Mathematics
Zurich, Switzerland, 16-20 July 2007

Networks that draw networks or honeybees on scent
British Applied Mathematics Colloquium
University of Bristol, 17-19 April 2007

Reliable switching between partially synchronized cluster states of globally coupled phase oscillators
Dynamics Days Europe 2006
Hersonissos, Crete, Greece, 25-29 September 2006

The dynamics of vehicular traffic with reaction-time delay and stochasticity of drivers
Dynamics Days Europe 2006
Hersonissos, Crete, Greece, 25-29 September 2006

Bifurcations and winnerless competition in a coupled phase oscillator network
Theoretical Neuroscience Network Annual Meeting
University of Bristol, 6-8 September 2006

Cluster networks for coupled oscillators with heteroclinic attractors
NEUROMATH 06, Conference on Mathematical Neuroscience
University of Andorra, 1-4 September 2006

Bifurcation study of a delayed optimal velocity model
Traffic and Granular Flow '05
Humboldt University, 10-12 October 2005

The role of the reaction-time delay in the dynamics of vehicular traffic
ENOC-2005, Fifth EUROMECH Nonlinear Dynamics Conference
Eindhoven University of Technology, 07-12 August 2005

Bifurcations in a highway traffic model with drivers' reaction-time delay
SIAM Conference on Applications of Dynamical Systems
Snowbird, Utah, 22-26 May 2005

Bifurcations in a car-following model with delay
Fifth IFAC Workshop on Time-Delay Systems
Catholic University of Leuven, 8-10 September 2004

Bifurcations in highway traffic models with delay
Dynamics, Bifurcations and Unfoldings Group in the South (DynaBUGS) meeting
University of Bath, 25 September 2003

Bifurcation investigations in delayed car-following models with simple structure
Ninth Hungarian Mechanical Conference
University of Miskolc, 27-29 August 2003

Dynamics of highway traffic models including reaction time effect
British Applied Mathematics Colloquium
University of Southampton, 7-10 April 2003

Bifurcation analysis and numerical simulation of a car-following system
Numerical Methods for Nonlinear Dynamics & Bifurcations
University of Bristol, 1-3 July 2002