Peer-Reviewed Articles in Journals and Conference Proceedings

2020
N. Lorenz-Meyer, A. A. Bobtsov, R. Ortega, N. Nikolaev, and J. Schiffer
"PMU-Based Decentralized Mixed Algebraic and Dynamic State Observation in Multi-Machine Power Systems"
Accepted for the IET Generation, Transmission & Distribution
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M. Rojas, J. G. Rueda-Escobedo, G. Espinosa-Perez, and J. Schiffer
“Observer-Based Excitation Control for Transient Stabilization of the Single Machine Infinite Bus System”
Accepted for the 59th IEEE Conference on Decision and Control (CDC), Jeju Island, Republic of Korea, Dec. 14-18, 2020
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J. G. Rueda-Escobedo, and J. Schiffer
"Data-Driven Internal Model Control of Second-Order Discrete Volterra Systems"
Accepted for the 59th IEEE Conference on Decision and Control (CDC), Jeju Island, Republic of Korea, Dec. 14-18, 2020
pdf
J. E. Machado, and J. Schiffer
“A Passivity-Inspired Design of Power-Voltage Droop for DC Microgrids with Electrical Network Dynamics”
Accepted for the 59th IEEE Conference on Decision and Control (CDC), Jeju Island, Republic of Korea, Dec. 14-18, 2020
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J. G. Rueda-Escobedo, and J. A. Moreno
"Strong Lyapunov Functions for Two Classical Problems in Adaptive Control"
Automatica, 124, 2020, Art. no. 109250
doi
S. Alghamdi, U. Markovic, O. Stanojev, J. Schiffer, G. Hug, and P. Aristidou
"Wide-Area Oscillation Damping in Low-Inertia Grids under Time-Varying Communication Delays"
Electric Power Systems Research, 189, 2020, Art. No. 106629
doi
J. G. Rueda-Escobedo, S. Tang, and J. Schiffer
"A Performance Comparison of PLL Algorithms in Low-Inertia Power Systems Using an Observer-Based Framework"
21st IFAC World Congress, Berlin, Germany, Jul. 11-17, 2020
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R. Metzkow, J. G. Rueda-Escobedo, D. Doering, and J. Schiffer
"An Internal Model Approach to Robust Current Control of IPMSM Drives with Respect to Unknown and Varying Inductances"
21st IFAC World Congress, Berlin, Germany, Jul. 11-17, 2020
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A. Bobtsov, R. Ortega, N. Nikolaev, and J. Schiffer
"A Globally Convergent State Observer for Multimachine Power Systems with Lossy Lines"
21st IFAC World Congress, Berlin, Germany, Jul. 11-17, 2020
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S. Alghamdi, J. Schiffer, and E. Fridman
"Synthesizing Sparse and Delay-Robust Distributed Secondary Frequency Controllers for Microgrids"
IEEE Transactions on Control Systems Technology, 2020
pdf | doi
S. Alghamdi, U. Markovic, O. Stanojev, J. Schiffer, G. Hug, and P. Aristidou
"Wide-Area Oscillation Damping in Low-Inertia Grids under Time-Varying Communication Delays"
21st Power Systems Computation Conference (PSCC), Porto, Portugal, Jun. 29 - Jul. 3, 2020
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J. G. Rueda-Escobedo, R. Ushirobira, D. Efimov, and J. A. Moreno
"Gramian-Based Uniform Convergent Observer for Stable LTV Systems with Delayed Measurements"
International Journal of Control, 93(2), pp. 226-237, 2020
doi
A. S. Matveev, J. E. Machado, R. Ortega, J. Schiffer, and A. Pyrkin
"A Tool for Analysis of Existence of Equilibria and Voltage Stability in Power Systems with Constant Power Loads"
IEEE Transactions on Automatic Control, 2020
pdf | doi
2019
A. Krishna, J. Schiffer, and J. Raisch
“Distributed Secondary Frequency Control in Microgrids: Robustness and Steady-State Performance in the Presence of Clock Drifts”
European Journal of Control, 51, pp. 135-145, 2019
pdf | doi
J.Schiffer, D.Efimov, and R. Ortega
“Global Synchronization Analysis of Droop-Controlled Microgrids - A Multivariable Cell Structure Approach”
Automatica, 109, 2019, Art. no. 108550
pdf | doi
J. Schiffer, P. Aristidou, and R. Ortega
“Online Estimation of Power System Inertia Using Dynamic Regressor Extension and Mixing”
IEEE Transactions on Power Systems, 34(10): pp. 4993-5001, 2019
pdf | doi
A. Krishna, J. Schiffer, N. Monshizadeh, and J. Raisch
“A Consensus-Based Voltage Control for Reactive Power Sharing and PCC Voltage Regulation in Microgrids with Parallel-Connected Inverters”
In European Control Conference (ECC), Naples, Italy, 2019, pp. 542-547
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J. G. Rueda-Escobedo, J. A. Moreno, and J. Schiffer
“Finite-Time Estimation of Time-Varying Frequency Signals in Low-Inertia Power Systems”
In European Control Conference (ECC), Naples, Italy, 2019, pp. 2108-2114
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S. Alghamdi, N. Smith, J. Schiffer, and P. Aristidou
“Delay-Robust Distributed Secondary Frequency Control: A Case Study”
In IEEE PES PowerTech Conference, Milano, Italy, 2019, pp. 1-6
pdf | doi
D. Efimov and J. Schiffer
“On Boundedness of Solutions of State Periodic Systems: A Multivariable Cell Structure Approach”
IEEE Transactions on Automatic Control, 64(10): pp. 4094-4104, 2019
pdf | doi
2018
J. Schiffer, D. Efimov, and R.Ortega
“Almost Global Synchronization in Multi-Machine Power Systems”
In 57th IEEE Conference on Decision and Control, Miami Beach, FL, USA, 2018, pp. 800-805
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S. Alghamdi, J. Schiffer, and E. Fridman
“Conditions for Delay-Robust Consensus-Based Frequency Control in Power Systems with Second-Order Turbine-Governor Dynamics”
In 57th IEEE Conference on Decision and Control, Miami Beach, FL, USA, 2018, pp. 786-793
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D. Zonetti, R. Ortega, and J. Schiffer
“A Tool for Stability and Power Sharing Analysis of a Generalized Class of Droop Controllers for High-Voltage Direct-Current Transmission Systems”
IEEE Transactions on Control of Network Systems, 5(3): pp. 1110-1119, 2018
pdf | doi
D. Efimov and J. Schiffer
“A New Criterion for Boundedness of Solutions for a Class of Periodic Systems”
In European Control Conference (ECC), Limassol, Cyprus, 2018, pp. 1642-1647
pdf | doi
S. Alghamdi, J. Schiffer, and E. Fridman
“Distributed Secondary Frequency Control Design for Microgrids: Trading off L2-Gain Performance and Communication Efforts under Time-Varying Delays”
In European Control Conference (ECC), Limassol, Cyprus, 2018, pp. 758-763
pdf | doi
A. Krishna, J. Schiffer, and J. Raisch
“A Consensus-Based Control Law for Accurate Frequency Restoration and Power Sharing in Microgrids in the Presence of Clock Drifts”
In European Control Conference (ECC), Limassol, Cyprus, 2018, pp. 2575-2580
pdf | doi
2017
D. Efimov, J. Schiffer, N. Barabanov, and R. Ortega
“A Relaxed Characterization of ISS for Periodic Systems with Multiple Invariant Sets”
European Journal of Control, 37, pp. 1-7, 2017
pdf | doi
N. Barabanov, J. Schiffer, R. Ortega, and D. Efimov
“Conditions for Almost Global Attractivity of a Synchronous Generator Connected to an Infinite Bus”
IEEE Transactions on Automatic Control, 62(10): pp. 4905-4916, 2017
pdf | doi
J. Schiffer, D. Efimov, N. Barabanov, and R. Ortega,
“An Input-to-State Stability Approach to Verify Almost Global Stability of a Synchronous-Machine-Infinite-Bus System”
Philosophical Transactions A, Theme Issue on Energy Management: Flexibility, Risk and Optimisation, 375(2100), 2017, Art. no. 20160304.
pdf | doi
J. Schiffer, F. Dörfler, and E. Fridman
“Robustness of Distributed Averaging Control in Power Systems: Time Delays & Dynamic Communication Topology “
Automatica, 80: pp. 261-271, 2017
pdf | doi
J. Schiffer, C.A. Hans, T. Kral, J. Raisch, and R. Ortega
“Modelling, Analysis and Experimental Validation of Clock Drift Effects in Low-Inertia Power Systems”
IEEE Transactions on Industrial Electronics, Special Section on Power-Electronics-Enabled Autonomous
Power Systems, 64
(7): pp. 5942-5951, 2017
pdf | doi
D. Efimov, J. Schiffer, N. Barabanov, and R. Ortega
“Relaxing the Conditions of ISS for Multistable Periodic Systems”
IFAC-PapersOnLine 50(1): pp. 7217-7222, 2017
pdf | doi
A. Krishna, C. A. Hans, J. Schiffer, J. Raisch, and T. Kral
“Steady State Evaluation of Distributed Secondary Frequency Control Strategies for Microgrids in the Presence of Clock Drifts”
In 25th Mediterranean Conference on Control and Automation, Valletta, Malta, 2017, pp. 508-515
pdf | doi
Y. Ojo and J. Schiffer
“Towards a Time-Domain Modeling Framework for Small-Signal Analysis of Unbalanced Microgrids”
In IEEE PowerTech 2017, Manchester, UK, 2017, pp. 1-6
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2016
J. Schiffer, E. Fridman, R. Ortega, and J. Raisch
“Stability of a Class of Delayed Port-Hamiltonian Systems with Application to Microgrids with Distributed Rotational and Electronic Generation”
Automatica, 74(12): pp. 71-79, 2016
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J. Schiffer, D. Zonetti, R. Ortega, A. Stankovic, T. Sezi, and J. Raisch
“A Survey on Modeling of Microgrids - From Fundamental Physics to Phasors and Voltage Sources”
Automatica, 74(12): pp. 135-150, 2016
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D. Efimov, J. Schiffer, and R. Ortega
“Robustness of Delayed Multistable Systems with Application to Droop-Controlled Inverter-Based Microgrids”
International Journal of Control, 89(5), pp. 909-918, 2016
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J. Schiffer, T. Seel, J. Raisch, and T. Sezi
“Voltage Stability and Reactive Power Sharing in Inverter-Based Microgrids with Consensus-Based Distributed Voltage Control”
IEEE Transactions on Control Systems Technology, vol. 24, no. 1, pp. 96-109, 2016
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J. Schiffer and F. Dörfler
“On Stability of a Distributed Averaging PI Frequency and Active Power Controlled Differential-Algebraic Power System Model”
In European Control Conference (ECC), Aalborg, Denmark, 2016, pp. 1487-1492
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N. Barabanov, J. Schiffer, R. Ortega, and D. Efimov
“Almost Global Attractivity of a Synchronous Generator Connected to an Infinite Bus”
In 55th IEEE Conference on Decision and Control, Las Vegas, NV, USA, 2016, pp. 4130-4135
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C. De Persis, N. Monshizadeh, J. Schiffer, and F. Dörfler
“A Lyapunov Approach to Control of Microgrids with a Network-Preserved Differential-Algebraic Model”
In 55th IEEE Conference on Decision and Control, Las Vegas, NV, USA, 2016, pp. 2595-2600
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D. Zonetti, R. Ortega, and J. Schiffer
“A Tool for Power Flow Analysis of a Generalized Class of Droop Controllers for High-Voltage Direct-Current Transmission Systems”
In 55th IEEE Conference on Decision and Control, Las Vegas, NV, USA, 2016, pp. 1564-1569
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Prior to 2016
J. Schiffer, E. Fridman, and R. Ortega
“Stability of a Class of Delayed Port-Hamiltonian Systems with Application to Droop-Controlled Microgrids”
In IEEE 54th Conference on Decision and Control (CDC), Osaka, Japan, 2015, pp. 6391-6396
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D. Efimov, J. Schiffer, and R. Ortega
“ISS of Multistable Systems with Delays: Application to Droop-Controlled Inverter-Based Microgrids”
In American Control Conference (ACC), Chicago, IL, USA, 2015, pp. 4664-4669
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J. Schiffer, R. Ortega, C. A. Hans, and J. Raisch
“Droop-Controlled Inverter-Based Microgrids Are Robust to Clock Drifts”
In American Control Conference (ACC), Chicago, IL, USA, 2015, pp. 2341-2346
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J. Schiffer, R. Ortega, A. Astolfi, J. Raisch, and T. Sezi
“Conditions for Stability of Droop-Controlled Inverter-Based Microgrids”
Automatica, 50(10): pp. 2457-2469, 2014
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J. Schiffer, R. Ortega, A. Astolfi, J. Raisch, and T. Sezi
“Stability of Synchronized Motions of Inverter-Based Microgrids under Droop Control”
In 19th IFAC World Congress, Cape Town, South Africa, 2014, pp. 6361-6367
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J. Schiffer, T. Seel, J. Raisch, and T. Sezi
“A Consensus-Based Distributed Voltage Control for Reactive Power Sharing in Microgrids”
In 13th European Control Conference (ECC), Strasbourg, France, 2014, pp. 1299-1305
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J. Schiffer, D. Goldin, J. Raisch, and T. Sezi
“Synchronization of Droop-Controlled Microgrids with Distributed Rotational and Electronic Generation”
In IEEE 52nd Annual Conference on Decision and Control (CDC), Florence, Italy, 2013, pp. 2334-2339
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J. Schiffer, A. Anta, T. D. Trung, J. Raisch, and T. Sezi
“On Power Sharing and Stability in Autonomous Inverter-Based Microgrids”
In IEEE 51st Annual Conference on Decision and Control (CDC), Maui, HI, USA, 2012, pp. 1105-1110
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S. Gestegaard Robertz, L. Halt, S. Kelkar, K. Nilsson, D. Schär, A. Robertsson, and J. Schiffer
“Precise Robot Motions Using Dual Motor Control”
In Proc. IEEE International Conference on Robotics and Automation, Anchorage, AK, USA, 2010, pp. 5613-5620
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I. Dressler, J. Schiffer, and A. Robertsson.
“Modeling and Control of a Parallel Robot Using Modelica.”
In Proceedings of the 7th International Modelica Conference, Como, Italy, 2009, pp. 261-269
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