Publications
Preprints
S. Menta, J. Warrington, J. Lygeros, M. Morari, Learning Q-function approximations for hybrid control problems, 2021. To appear in IEEE Control Systems Letters (L-CSS) in 2021. arXiv link / Early access link
J. Warrington, Transfer learning for constrained stochastic control using adjustable Benders cuts, 2021. To appear in IEEE Control Systems Letters (L-CSS) in 2021. Early access link
P. Beuchat, J. Warrington, J. Lygeros, Accelerated point-wise maximum approach to approximate dynamic programming, 2021. To appear in IEEE Transactions on Automatic Control in 2021. arXiv link / Early access link
F. Bünning, J. Warrington, P. Heer, R.S. Smith, J. Lygeros, Machine learning and robust MPC for frequency regulation with heat pumps, 2020. arXiv link
Journal publications
B. Flamm, A. Eichler, J. Warrington, J. Lygeros, Two-Stage Dual Dynamic Programming with Application to Nonlinear Hydro Scheduling, IEEE Transactions on Control Systems Technology, vol. 29, no. 1, pp. 96-107, 2020. arXiv link / Publisher link
M. Hohmann, J. Warrington, J. Lygeros, A moment and sum-of-squares extension of dual dynamic programming with application to nonlinear energy storage problems, European Journal of Operational Research, vol. 283, no. 1, pp. 16-32, 2020. arXiv link / Publisher link
J. Warrington, P. Beuchat, J. Lygeros, Generalized dual dynamic programming for infinite horizon problems in continuous state and action spaces, IEEE Transactions on Automatic Control, vol. 64, no. 12, pp. 5012-5023, 2019. arXiv link / Publisher link
J. Warrington, D. Ruchti, Two-stage stochastic approximation for dynamic rebalancing of shared mobility systems, Transportation Research Part C - Emerging Technologies, vol. 104, pp. 110-134, 2019. arXiv link / Publisher link
M. Hohmann, J. Warrington, J. Lygeros, Optimal linearizations of power systems with uncertain supply and demand, IEEE Transactions on Power Systems, vol 34, no. 2, pp. 1504-1512, 2019. arXiv link / Publisher link
M. Hohmann, J. Warrington, J. Lygeros, A two-stage polynomial approach to stochastic optimization of district heating networks, Sustainable Energy, Grids and Networks (SEGAN), vol. 17, 2019. arXiv link / Publisher link
J. Warrington, D. Drew, J. Lygeros, Low-dimensional space- and time-coupled power system control policies driven by high-dimensional ensemble weather forecasts, IEEE Control Systems Letters, vol. 2, no. 1, pp. 1-6, 2018. Publisher link
J. Warrington, C. Hohl, P. J. Goulart, M. Morari, Rolling unit commitment and dispatch with multi-stage recourse policies for heterogeneous devices, IEEE Transactions on Power Systems, vol. 31, no. 1, pp. 187-197, 2016. Publisher link
P. Beuchat, J. Warrington, T. H. Summers, M. Morari, Performance bounds for look-ahead power system dispatch using generalized multi-stage policies, IEEE Transactions on Power Systems, vol. 31, no. 1, pp. 474-484, 2016. Publisher link
T. H. Summers, J. Warrington, M. Morari, J. Lygeros, Stochastic optimal power flow based on conditional value at risk and distributional robustness, International Journal of Electrical Power and Energy Systems, vol. 72, pp. 116-125, 2015. Publisher link
J. Pfrommer, J. Warrington, G. Schildbach, M. Morari, Dynamic vehicle redistribution and online price incentives in shared mobility systems, IEEE Transactions on Intelligent Transportation Systems, vol. 15, no. 4, pp. 1567-1578, 2014. Publisher link
J. Warrington, P. J. Goulart, S. Mariéthoz, M. Morari, Policy-based reserves for power systems, IEEE Transactions on Power Systems, vol. 28, no. 4, pp. 4427-4437, 2013. Publisher link
Conference publications
F. Bünning, J. Warrington, P. Heer, R.S. Smith, J. Lygeros, Frequency regulation with heat pumps using robust MPC with affine policies, 1st Virtual IFAC World Congress (IFAC-V 2020), July 2020.
S. Menta, J. Warrington, J. Lygeros, M. Morari, Learning solutions to hybrid control problems using Benders cuts, Learning for Dynamics and Control (L4DC), Berkeley CA, USA, June 2020. Publisher link
J. Mathias, R. Moye, S. Meyn, J. Warrington, State space collapse in resource allocation for demand dispatch, IEEE Conference on Decision and Control, Nice, France, December 2019. Publisher link
J. Warrington, Learning continuous Q-functions using generalized Benders cuts, European Control Conference in Naples, Italy, June 2019. Publisher link
S. Zou, J. Warrington, J. Lygeros, Game-theoretic robust energy coordination for a neighbourhood of smart homes, European Control Conference, Naples, Italy, June 2019. Publisher link
B. Flamm, A. Eichler, J. Warrington, J. Lygeros, Dual Dynamic Programming for Nonlinear Control Problems over Long Horizons, European Control Conference, Limassol, Cyprus, June 2018. Publisher link
P. Beuchat, J. Warrington, J. Lygeros, Pointwise maximum approach to approximate dynamic programming, IEEE Conference on Decision and Control, Melbourne, Australia, December 2017. Publisher link
A. Hauswirth, T. H. Summers, J. Warrington, J. Lygeros, A. Kettner, A. Brenzikofer, A Modular AC Optimal Power Flow Implementation for Distribution Grid Planning, IEEE Powertech, Power System Technology, Eindhoven, Netherlands, July 2015. Publisher link
O. Mäkelä, J. Warrington, M. Morari, G. Andersson, Optimal Transmission Line Switching for Large-Scale Power Systems using the Alternating Direction Method of Multipliers, Power Systems Computation Conference, Wroclaw, Poland, August 2014. Publisher link
T. H. Summers, J. Warrington, M. Morari, J. Lygeros, Stochastic optimal power flow based on convex approximations of chance constraints, Power Systems Computation Conference, Wroclaw, Poland, August 2014. Publisher link
J. Warrington, C. Hohl, P. J. Goulart, M. Morari, Optimal unit commitment accounting for robust affine reserve policies, American Control Conference, Portland OR, USA, June 2014. Publisher link
C. Ruch, J. Warrington, M. Morari, Rule-based price control for bike sharing systems, European Control Conference, Strasbourg, France, June 2014. Publisher link
M. Schmitt, R. Vujanic, J. Warrington, M. Morari, An approach for Model Predictive Control of mixed integer-input linear systems based on convex relaxations, IEEE Conference on Decision and Control, Florence, Italy, December 2013. Publisher link
R. Vujanic, M. Schmitt, J. Warrington, M. Morari, Extending Affine Control Policies to Hybrid Systems: Robust Control of a DC-DC Buck Converter, European Control Conference, Zurich, Switzerland, July 2013. Publisher link
J. Warrington, S. Mariéthoz, M. Morari, Time-sequence reserve products for electricity markets, International Conference on the European Energy Market, Stockholm, Sweden, May 2013. Publisher link
J. Warrington, P. J. Goulart, S. Mariéthoz, M. Morari, Robust reserve operation in power systems using affine policies, IEEE Conference on Decision and Control, Maui HI, USA, December 2012. Publisher link
J. Warrington, P. J. Goulart, S. Mariéthoz, M. Morari, A market mechanism for solving multi-period optimal power flow exactly on AC networks with mixed participants, American Control Conference, Montreal, Canada, June 2012. Publisher link
G. Webber, J. Warrington, S. Mariéthoz, M. Morari, Communication limitations in iterative real time pricing for power systems, IEEE International Conference on Smart Grid Communications, Brussels, Belgium, October 2011. Publisher link
J. Warrington, S. Mariéthoz, M. Morari, Negotiated Predictive Dispatch: Receding Horizon Nodal Electricity Pricing for Wind Integration, International Conference on the European Energy Market, Zagreb, Croatia, May 2011. Publisher link
J. Warrington, S. Mariéthoz, C.N. Jones, M. Morari, Predictive power dispatch through negotiated locational pricing, IEEE PES Innovative Smart Grid Technologies Europe, Gothenburg, Sweden, October 2010. Publisher link
T. Logan, J. Warrington, S. Shao, R. McMahon, Practical deployment of the Brushless Doubly-Fed Machine in a medium scale wind turbine, International Conference on Power Electronics and Drive Systems, Taipei, Taiwan, November 2009. Publisher link
Theses
J. Warrington, Robust and Distributed Approaches to Power System Optimization, PhD thesis written at ETH Zurich, supervised by Prof Manfred Morari, March 2014. Publisher link
J. Warrington, Active Climate Control, MEng thesis written at Cambridge University, supervised by Prof Malcolm Smith, June 2008. Local pdf
Talks
Two-stage stochastic approximation for dynamic rebalancing of shared mobility systems, Simons Institute for the Theory of Computing, UC Berkeley, California, USA, June 2019.
Two-stage stochastic approximation for dynamic rebalancing of shared mobility systems, Automatic Control Lab Seminar, ETH Zurich, Switzerland, December 2018.
Generalized Benders Cuts for Infinite Horizon Control Problems, CDS Group, Caltech, California, USA, May 2018.
Generalized Benders Cuts for Infinite Horizon Control Problems, University of Texas at Dallas, Texas, USA, April 2018.
Generalized Benders Cuts for Infinite Horizon Control Problems, Simons Institute for the Theory of Computing, UC Berkeley, California, USA, April 2018.
Operation of Power Systems against High-Dimensional Weather Forecasts, National Renewable Energy Laboratory, Golden, Colorado, USA, April 2018.
Generalized Dual Dynamic Programming, Automatic Control Lab Seminar, ETH Zurich, Switzerland, August 2017.
Power system control policies driven by high-dimensional ensemble weather forecasts, Control Seminar Series, Oxford University, UK, March 2017.
Multi-stage reserve policies for large-scale power systems, IFORS: Conference of the International Federation of Operational Research Societies, Barcelona, Spain, July 2014..
Multi-stage reserve policies for power systems, Energy and Stochastics Seminar, Danish Technical University, Copenhagen, October 2013.
Policy-based reserves for power systems, Automatic Control Lab Seminar, ETH Zurich, Switzerland, November 2012.
A receding horizon approach to short term electricity markets, HYCON2 Workshop on Energy, Brussels, Belgium, September 2012.
Harnessing evolving forecasts in intraday electricity markets, EECS Department, University of California at Berkeley, California, USA, June 2012.
A receding-horizon approach to short-term electricity markets, Computational Management Science, Imperial College, London, UK, April 2012.
An exact market mechanism for multi-period AC optimal power flow, Automatic Control Lab Seminar, ETH Zurich, Switzerland, October 2011.
Predictive electricity dispatch through negotiated locational pricing, CDS Group, Caltech, California, USA, October 2010.
Predictive electricity dispatch through negotiated locational pricing, EECS Department, University of California at Berkeley, California, USA, October 2010.