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Philip D. Loewen · SciRah

Researcher profile · Semantic Scholar

Philip D. Loewen

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Philip D. Loewen — researcher profile on SciRah

h-index: 22
Works: 99
Citations: 1,721

Most-cited papers

Optimal Control Via Nonsmooth Analysis
Philip D. Loewen
1993177 citations
Semantic Scholar
Deep Reinforcement Learning for Process Control: A Primer for Beginners
P StevenSpielberg, Aditya Tulsyan, Nathan P. Lawrence, Philip D. Loewen +1 more
2019AIChE Journal137 citations Open access
Semantic Scholar
Deep Reinforcement Learning with Shallow Controllers: An Experimental Application to PID Tuning
Nathan P. Lawrence, M. Forbes, Philip D. Loewen, Daniel G. McClement +2 more
2021Control Engineering Practice127 citations Open access
Semantic Scholar
Optimal Control of Unbounded Differential Inclusions
Philip D. Loewen, R. Rockafellar
1994SIAM Journal of Control and Optimization125 citations
Semantic Scholar
A Deep Learning Architecture for Predictive Control
P StevenSpielberg, Aditya Tulsyan, B. Gopaluni, Philip D. Loewen
201880 citations Open access
Semantic Scholar
New Necessary Conditions for the Generalized Problem of Bolza
Philip D. Loewen, R. Rockafellar
199678 citations
Semantic Scholar
The adjoint arc in nonsmooth optimization
Philip D. Loewen, R. Rockafellar
199156 citations Open access
Semantic Scholar
Bolza Problems with General Time Constraints
Philip D. Loewen, R. Rockafellar
199753 citations
Semantic Scholar
Correlation of Pc 3, 4, and 5 activity with solar wind speed
E. Greenstadt, J. Olson, Philip D. Loewen, H. Singer +1 more
197948 citations
Semantic Scholar
Meta-reinforcement learning for the tuning of PI controllers: An offline approach
Daniel G. McClement, Nathan P. Lawrence, J. Backstrom, Philip D. Loewen +2 more
2022Journal of Process Control44 citations Open access
Semantic Scholar
The value function in optimal control: Sensitivity, controllability, and time-optimality
F. Clarke, Philip D. Loewen
198642 citations
Semantic Scholar
Sparse canonical variate analysis approach for process monitoring
Qiu-Gang Lu, Benben Jiang, R. B. Gopaluni, Philip D. Loewen +1 more
2018Journal of Process Control40 citations
Semantic Scholar
A mean value theorem for Fre´chet subgradients
Philip D. Loewen
199438 citations
Semantic Scholar
Generalized conjugate points for optimal control problems
Philip D. Loewen, Harry Zheng
199437 citations
Semantic Scholar
Optimal PID and Antiwindup Control Design as a Reinforcement Learning Problem
Nathan P. Lawrence, G. Stewart, Philip D. Loewen, M. Forbes +2 more
2020IFAC-PapersOnLine31 citations Open access
Semantic Scholar
The proximal normal formula in Hilbert space
Philip D. Loewen
198730 citations
Semantic Scholar
Almost Surely Stable Deep Dynamics
Nathan P. Lawrence, Philip D. Loewen, M. Forbes, J. Backstrom +1 more
2020Neural Information Processing Systems29 citations
Semantic Scholar
Robust controller design for teleoperation systems
Zhong-Zhi Hu, S. Salcudean, Philip D. Loewen
19951995 IEEE International Conference on Systems, Man and Cybernetics. Intelligent Systems for the 21st Century29 citations
Semantic Scholar
Locality preserving discriminative canonical variate analysis for fault diagnosis
Qiu-Gang Lu, Benben Jiang, R. B. Gopaluni, Philip D. Loewen +1 more
2018Computers and Chemical Engineering28 citations Open access
Semantic Scholar
The geometry of nonsmooth analysis
Philip D. Loewen
199327 citations
Semantic Scholar
A Generalized Variational Principle
Philip D. Loewen, Xianfu Wang
2001Canadian Journal of Mathematics - Journal Canadien de Mathematiques22 citations Open access
Semantic Scholar
The Proximal Subgradient Formula in Banach Space
Philip D. Loewen
1988Canadian mathematical bulletin22 citations Open access
Semantic Scholar
An intermediate existence theory in the calculus of variations
F. Clarke, Philip D. Loewen
198921 citations
Semantic Scholar
On The Lavrentiev Phenomenon
Philip D. Loewen
1987Canadian mathematical bulletin21 citations Open access
Semantic Scholar
The Range of the Gradient of a Continuously Differentiable Bump
J. Borwein, M. Fabian, I. Kortezov, Philip D. Loewen
200120 citations
Semantic Scholar
Pontryagin-type necessary conditions for differential inclusion problems
Philip D. Loewen, R. Vinter
198720 citations
Semantic Scholar
Second-order sufficiency criteria and local convexity for equivalent problems in the calculus of variations
Philip D. Loewen
199019 citations Open access
Semantic Scholar
A Weak Maximum Principle for Optimal Control Problems with Nonsmooth Mixed Constraints
M. D. R. de Pinho, Philip D. Loewen, Geraldo Nunes Silva
200917 citations
Semantic Scholar
Optimal Control of Non-convex Measure-driven Differential Inclusions
W. Code, Philip D. Loewen
201115 citations
Semantic Scholar
State constraints in optimal control: A case study in proximal normal analysis
F. Clarke, Philip D. Loewen
198715 citations
Semantic Scholar
State constraints in optimal control
Philip D. Loewen
1986IEEE Conference on Decision and Control15 citations
Semantic Scholar
A Meta-Reinforcement Learning Approach to Process Control
Daniel G. McClement, Nathan P. Lawrence, Philip D. Loewen, M. Forbes +2 more
2021IFAC-PapersOnLine14 citations Open access
Semantic Scholar
Reinforcement Learning based Design of Linear Fixed Structure Controllers
Nathan P. Lawrence, G. Stewart, Philip D. Loewen, M. Forbes +2 more
2020IFAC-PapersOnLine13 citations Open access
Semantic Scholar
Impact of model plant mismatch on performance of control systems: An application to paper machine control
Mahdi Yousefi, R. B. Gopaluni, Philip D. Loewen, M. Forbes +2 more
201513 citations
Semantic Scholar
On the multiplicity of Dini subgradients in separable spaces
Philip D. Loewen, Xianfu Wang
200413 citations
Semantic Scholar
Support vector machine approach for model-plant mismatch detection
Qiu-Gang Lu, M. Forbes, Philip D. Loewen, J. Backstrom +2 more
2020Computers and Chemical Engineering12 citations
Semantic Scholar
The range of the gradient of a LipschitzC1-smooth bump in infinite dimensions
J. Borwein, M. Fabian, Philip D. Loewen
200212 citations
Semantic Scholar
Optimization-Based Teleoperation Controller Design
Zhong-Zhi Hu, S. Salcudean, Philip D. Loewen
1996IFAC Proceedings Volumes12 citations
Semantic Scholar
A view on learning robust goal-conditioned value functions: Interplay between RL and MPC
Nathan P. Lawrence, Philip D. Loewen, M. Forbes, R. B. Gopaluni +1 more
2025Annual Reviews in Control11 citations Open access
Semantic Scholar
Performance Assessment of Cross-Directional Control for Paper Machines
Qiu-Gang Lu, M. Forbes, R. B. Gopaluni, Philip D. Loewen +2 more
2017IEEE Transactions on Control Systems Technology10 citations
Semantic Scholar
Stabilizing reinforcement learning control: A modular framework for optimizing over all stable behavior
Nathan P. Lawrence, Philip D. Loewen, Shuyuan Wang, M. Forbes +1 more
2023at - Automatisierungstechnik9 citations Open access
Semantic Scholar
Subdifferential calculus in Asplund generated spaces
M. Fabian, Philip D. Loewen, B. Mordukhovich
20069 citations Open access
Semantic Scholar
Typical Properties of Lipschitz Functions
Philip D. Loewen, Xianfu Wang
20009 citations Open access
Semantic Scholar
Epi-derivatives of integral functionals with applications
Philip D. Loewen, Harry Zheng
19959 citations Open access
Semantic Scholar
Model-Plant Mismatch Detection with Support Vector Machines
Qiu-Gang Lu, R. B. Gopaluni, M. Forbes, Philip D. Loewen +2 more
20178 citations Open access
Semantic Scholar
Machine Direction Adaptive Control on a Paper Machine
L. Rippon, Qiu-Gang Lu, M. Forbes, R. B. Gopaluni +2 more
2019Industrial & Engineering Chemistry Research6 citations
Semantic Scholar
Iterative adaptive robust control of multivariable CD processes
F. Farahmand, G. Dumont, Philip D. Loewen
20096 citations
Semantic Scholar
Variational Problems with Lipschitzian Minimizers
F. Clarke, Philip D. Loewen
19896 citations Open access
Semantic Scholar
Meta-Reinforcement Learning for Adaptive Control of Second Order Systems
Daniel G. McClement, Nathan P. Lawrence, M. Forbes, Philip D. Loewen +2 more
2022International Symposium on Advanced Control of Industrial Processes5 citations Open access
Semantic Scholar
Tensor-based blind alignment of MIMO CD processes
F. Farahmand, G. Dumont, Philip D. Loewen, M. Davies
20095 citations
Semantic Scholar

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