no code implementations • 31 May 2024 • Wenbo Chen, Haoruo Zhao, Mathieu Tanneau, Pascal Van Hentenryck
Recent years have witnessed increasing interest in optimization proxies, i. e., machine learning models that approximate the input-output mapping of parametric optimization problems and return near-optimal feasible solutions.
no code implementations • 8 Jan 2024 • Jiawei Lu, Tinghan Ye, Wenbo Chen, Pascal Van Hentenryck
AGGNNI-CG also produces significant improvements in service compared to the existing system.
no code implementations • 8 Jul 2023 • Ritesh Ojha, Wenbo Chen, Hanyu Zhang, Reem Khir, Alan Erera, Pascal Van Hentenryck
Moreover, this paper designs an optimization proxy that addresses the computational challenges of the optimization model.
no code implementations • 23 Apr 2023 • Wenbo Chen, Mathieu Tanneau, Pascal Van Hentenryck
The paper proposes a novel End-to-End Learning and Repair (E2ELR) architecture for training optimization proxies for economic dispatch problems.
no code implementations • 23 Jan 2023 • Wenbo Chen, Reem Khir, Pascal Van Hentenryck
The Flexible Job-shop Scheduling Problem (FJSP) is an important combinatorial optimization problem that arises in manufacturing and service settings.
no code implementations • 21 Jan 2023 • Seonho Park, Wenbo Chen, Terrence W. K. Mak, Pascal Van Hentenryck
This paper first shows that the space of optimal solutions can be significantly compressed using principal component analysis (PCA).
1 code implementation • 2 Dec 2022 • Maowei Jiang, Pengyu Zeng, Kai Wang, Huan Liu, Wenbo Chen, Haoran Liu
However, use of FT is problematic due to Gibbs phenomenon.
no code implementations • 28 Nov 2022 • Seonho Park, Wenbo Chen, Dahye Han, Mathieu Tanneau, Pascal Van Hentenryck
Reliability Assessment Commitment (RAC) Optimization is increasingly important in grid operations due to larger shares of renewable generations in the generation mix and increased prediction errors.
no code implementations • 26 Sep 2022 • Oliver Stover, Pranav Karve, Sankaran Mahadevan, Wenbo Chen, Haoruo Zhao, Mathieu Tanneau, Pascal Van Hentenryck
In a grid with a significant share of renewable generation, operators will need additional tools to evaluate the operational risk due to the increased volatility in load and generation.
no code implementations • 2 Apr 2022 • Neil Barry, Minas Chatzos, Wenbo Chen, Dahye Han, Chaofan Huang, Roshan Joseph, Michael Klamkin, Seonho Park, Mathieu Tanneau, Pascal Van Hentenryck, Shangkun Wang, Hanyu Zhang, Haoruo Zhao
The transition of the electrical power grid from fossil fuels to renewable sources of energy raises fundamental challenges to the market-clearing algorithms that drive its operations.
Uncertainty Quantification Vocal Bursts Intensity Prediction
no code implementations • 27 Dec 2021 • Wenbo Chen, Seonho Park, Mathieu Tanneau, Pascal Van Hentenryck
Motivated by a principled analysis of the market-clearing optimizations of MISO, the paper proposes a novel ML pipeline that addresses the main challenges of learning SCED solutions, i. e., the variability in load, renewable output and production costs, as well as the combinatorial structure of commitment decisions.
no code implementations • NeurIPS Workshop LMCA 2020 • Haoran Sun, Wenbo Chen, Hui Li, Le Song
Branch-and-Bound~(B\&B) is a general and widely used algorithm paradigm for solving Mixed Integer Programming~(MIP).
no code implementations • 25 Sep 2020 • Juncong Fei, Wenbo Chen, Philipp Heidenreich, Sascha Wirges, Christoph Stiller
Recently, PointPainting has been presented to eliminate this performance drop by effectively fusing the output of a semantic segmentation network instead of the raw image information.