Publications

Authors Title Publication Info
J. D. Simard, A. Moreschini, and A. Astolfi Submitted technical note. IEEE Transactions on Automatic Control.
A. Moreschini, J. D. Simard, and A. Astolfi Provisionally accepted journal paper. Automatica.
J. D. Simard Accepted conference paper. 2024 7th IFAC Conference on Analysis and Control of Nonlinear Dynamics and Chaos (ACNDC).
J. D. Simard and A. Astolfi "On the Construction and Parameterization of Interpolants in the Loewner Framework."1 Automatica 159 (2024): 111329.
J. D. Simard and A. Moreschini "Enforcing Stability of Linear Interpolants in the Loewner Framework." IEEE Control Systems Letters 7 (2023): 3537-3542.
A. Moreschini, J. D. Simard, and A. Astolfi "Model Reduction in the Loewner Framework for Second-Order Network Systems On Graphs." 2023 IEEE 62nd Conference on Decision and Control (CDC). IEEE, 2023.
J. D. Simard, A. Moreschini, and A. Astolfi "Moment Matching for Nonlinear Systems of Second-Order Equations." 2023 IEEE 62nd Conference on Decision and Control (CDC). IEEE, 2023.
A. Moreschini, J. D. Simard, and A. Astolfi "Model Reduction for Linear Port-Hamiltonian Systems in the Loewner Framework." IFAC-PapersOnLine 56.2 (2023): 9493-9498.
J. D. Simard, X. Cheng, and A. Moreschini "Interpolants With Second-Order Structure in the Loewner Framework." IFAC-PapersOnLine 56.2 (2023): 4278-4283.
J. D. Simard, A. Moreschini, and A. Astolfi "Parameterization of All Moment Matching Interpolants." 2023 European Control Conference (ECC). IEEE, 2023.
J. D. Simard Interpolation and Model Reduction of Nonlinear Systems in the Loewner Framework. Ph.D. dissertation. Imperial College London, 2023.
J. D. Simard and A. Astolfi "Loewner Functions for a Class of Nonlinear Differential-Algebraic Systems." 2022 IEEE 61st Conference on Decision and Control (CDC). IEEE, 2022.
J. D. Simard and A. Astolfi "Regularization of Underconstrained Interpolants in the Loewner Framework." 2022 European Control Conference (ECC). IEEE, 2022.
J. D. Simard and A. Astolfi "Loewner Functions and Model Order Reduction for Nonlinear Input-Affine Descriptor Systems." 2021 60th IEEE Conference on Decision and Control (CDC). IEEE, 2021.
J. D. Simard and A. Astolfi "Nonlinear Model Reduction in the Loewner Framework." IEEE Transactions on Automatic Control 66.12 (2021): 5711-5726.
J. D. Simard and A. Astolfi "Online Estimation of the Loewner Matrices." 2020 59th IEEE Conference on Decision and Control (CDC). IEEE, 2020.
A. Astolfi, et al "Model Reduction by Moment Matching: Beyond Linearity - a Review of the Last 10 Years." 2020 59th IEEE Conference on Decision and Control (CDC). IEEE, 2020.
J. D. Simard and A. Astolfi "Loewner Functions for Linear Time-Varying Systems With Applications to Model Reduction." IFAC-PapersOnLine 53.2 (2020): 5623-5628.
J. D. Simard and A. Astolfi "An Interconnection-Based Interpretation of the Loewner Matrices." 2019 58th IEEE Conference on Decision and Control (CDC). IEEE, 2019.
J. D. Simard, C. Nielsen, and D. E. Miller "Periodic Adaptive Stabilization of Rapidly Time-Varying Linear Systems." Mathematics of Control, Signals, and Systems 31.2 (2019): 1-42.
J. D. Simard Periodic Nonlinear Adaptive Control of Rapidly Time-Varying Linear Systems. M.A.Sc. thesis. University of Waterloo, 2018.

Conference Presentations, Workshops, & Invited Talks

Event Context Title
(upcoming) 2024 American Control Conference (ACC), Toronto, Canada L-CSS Paper + ACC Presentation Option Enforcing Stability of Linear Interpolants in the Loewner Framework
(upcoming) 2024 7th IFAC Conference on Analysis and Control of Nonlinear Dynamics and Chaos (ACNDC), London, United Kingdom Invited Session Paper Presentation Construction of Nonlinear Interpolants With Second-Order Equation Structure in the Loewner Framework
(upcoming) 2024 7th IFAC Conference on Analysis and Control of Nonlinear Dynamics and Chaos (ACNDC), London, United Kingdom Invited Session Organizer Model Reduction for Reducing the Complexity of Nonlinear Systems
2023 62nd IEEE Conference on Decision and Control (CDC), Marina Bay Sands, Singapore Regular Paper Presentation Moment Matching for Nonlinear Systems of Second-Order Equations
2023 22nd IFAC World Congress, Yokohama, Japan Regular Paper Presentation Interpolants With Second-Order Structure in the Loewner Framework
2023 21st European Control Conference (ECC), Bucharest, Romania Invited Session Paper Presentation Parameterization of All Moment Matching Interpolants
2023 21st European Control Conference (ECC), Bucharest, Romania Tutorial Session Presentation (Model Reduction for Control) A New Parameterization of Interpolants in the Loewner Framework with Applications to Stability and Structure Assignment
2023 1st KIOS CoE Research Collaboration Event, Nicosia, Cyprus Invited Talk Model Reduction in the Loewner Framework: New Tools for Linear and Nonlinear Systems
2022 61st IEEE Conference on Decision and Control (CDC), Cancún, Mexico Regular Paper Presentation Loewner Functions for a Class of Nonlinear Differential-Algebraic Systems
2022 20th European Control Conference (ECC), London, United Kingdom Regular Paper Presentation Regularization of Underconstrained Interpolants in the Loewner Framework
2021 60th IEEE Conference on Decision and Control (CDC), Austin, Texas Regular Paper Presentation (Virtual) Loewner Functions and Model Order Reduction for Nonlinear Input-Affine Descriptor Systems
2020 59th IEEE Conference on Decision and Control (CDC), Jeju Island, Republic of Korea Regular Paper Presentation (Virtual) Online Estimation of the Loewner Matrices
2020 59th IEEE Conference on Decision and Control (CDC), Jeju Island, Republic of Korea Tutorial Session Presentation (Virtual) Model Reduction by Moment Matching: Beyond Linearity – A Review of the Last 10 Years
2020 21st IFAC World Congress, Berlin, Germany Regular Paper Presentation (Virtual) Loewner Functions for Linear Time-Varying Systems With Applications to Model Reduction
2019 58th IEEE Conference on Decision and Control (CDC), Nice, France Regular Paper Presentation An Interconnection-Based Interpretation of the Loewner Matrices
1 - During provisional acceptance for publication in Automatica this work was cited as "On the Construction and Parameterization of Well-Posed Nonlinear Interpolants in the Loewner Framework" in the publications "Interpolants With Second-Order Structure in the Loewner Framework" and "Parameterization of All Moment Matching Interpolants," and in the Ph.D. dissertation "Interpolation and Model Reduction of Nonlinear Systems in the Loewner Framework."