1 code implementation • 8 Feb 2024 • Wenjie Xu, Wenbin Wang, Yuning Jiang, Bratislav Svetozarevic, Colin N. Jones
We study the problem of preferential Bayesian optimization (BO), where we aim to optimize a black-box function with only preference feedback over a pair of candidate solutions.
1 code implementation • 6 Nov 2023 • Loris Di Natale, Muhammad Zakwan, Bratislav Svetozarevic, Philipp Heer, Giancarlo Ferrari-Trecate, Colin N. Jones
Machine Learning (ML) and linear System Identification (SI) have been historically developed independently.
no code implementations • 2 Oct 2023 • Wenjie Xu, Yuning Jiang, Bratislav Svetozarevic, Colin N. Jones
Additionally, the algorithm guarantees an $\mathcal{O}(N\sqrt{T})$ bound on the cumulative violation for the known affine constraints, where $N$ is the number of agents.
no code implementations • 1 Oct 2023 • Wenjie Xu, Bratislav Svetozarevic, Loris Di Natale, Philipp Heer, Colin N Jones
We study the problem of tuning the parameters of a room temperature controller to minimize its energy consumption, subject to the constraint that the daily cumulative thermal discomfort of the occupants is below a given threshold.
no code implementations • 8 Jun 2023 • Wenjie Xu, Yuning Jiang, Bratislav Svetozarevic, Colin N. Jones
We consider the problem of optimizing a grey-box objective function, i. e., nested function composed of both black-box and white-box functions.
1 code implementation • 12 Apr 2023 • Wenjie Xu, Yuning Jiang, Bratislav Svetozarevic, Colin N. Jones
This paper studies the problem of online performance optimization of constrained closed-loop control systems, where both the objective and the constraints are unknown black-box functions affected by exogenous time-varying contextual disturbances.
1 code implementation • 28 Jan 2023 • Wenjie Xu, Colin N Jones, Bratislav Svetozarevic, Christopher R. Laughman, Ankush Chakrabarty
We study the problem of performance optimization of closed-loop control systems with unmodeled dynamics.
no code implementations • 23 Dec 2022 • Loris Di Natale, Bratislav Svetozarevic, Philipp Heer, Colin Neil Jones
While physically sound, classical gray-box models are often cumbersome to identify and scale, and their accuracy might be hindered by their limited expressiveness.
no code implementations • 30 Nov 2022 • Loris Di Natale, Bratislav Svetozarevic, Philipp Heer, Colin N. Jones
Model-free Reinforcement Learning (RL) generally suffers from poor sample complexity, mostly due to the need to exhaustively explore the state-action space to find well-performing policies.
no code implementations • 21 Nov 2022 • Wenjie Xu, Yuning Jiang, Bratislav Svetozarevic, Colin N. Jones
In this paper, the CONFIG algorithm, a simple and provably efficient constrained global optimization algorithm, is applied to optimize the closed-loop control performance of an unknown system with unmodeled constraints.
no code implementations • 11 Nov 2022 • Muhammad Zakwan, Loris Di Natale, Bratislav Svetozarevic, Philipp Heer, Colin N. Jones, Giancarlo Ferrari Trecate
Since IPHS models are consistent with the first and second principles of thermodynamics by design, so are the proposed Physically Consistent NODEs (PC-NODEs).
1 code implementation • 10 Mar 2022 • Loris Di Natale, Bratislav Svetozarevic, Philipp Heer, Colin N. Jones
Replacing poorly performing existing controllers with smarter solutions will decrease the energy intensity of the building sector.
1 code implementation • 6 Dec 2021 • Loris Di Natale, Bratislav Svetozarevic, Philipp Heer, Colin N. Jones
To counter this known generalization issue, physics-informed NNs have recently been introduced, where researchers introduce prior knowledge in the structure of NNs to ground them in known underlying physical laws and avoid classical NN generalization issues.
no code implementations • 14 Oct 2021 • Wenjie Xu, Colin N Jones, Bratislav Svetozarevic, Christopher R. Laughman, Ankush Chakrabarty
We study the problem of performance optimization of closed-loop control systems with unmodeled dynamics.
1 code implementation • CISBAT 2021 • Loris Di Natale, Bratislav Svetozarevic, Philipp Heer, Colin Neil Jones
Deep Reinforcement Learning (DRL) recently emerged as a possibility to control complex systems without the need to model them.