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Fast and robust dynamic state estimation (DSE) is essential for accurately capturing the internal dynamic processes of power systems, and it serves as the foundation for reliably implementing real-time dynamic modeling, monitoring, and…

系统与控制 · 电气工程与系统科学 2025-01-07 Jianhua Pei , Ping Wang , Jingyu Wang , Dongyuan Shi

Accurate prediction of materials phase diagrams from first principles remains a central challenge in computational materials science. Machine-learning interatomic potentials can provide near-DFT accuracy at a fraction of the cost, but their…

材料科学 · 物理学 2026-02-23 Nico Unglert , Michael Ketter , Georg K. H. Madsen

This article explores how emerging generative artificial intelligence (GenAI) models, such as large language models (LLMs), can enhance solution methodologies within process systems engineering (PSE). These cutting-edge GenAI models,…

机器学习 · 计算机科学 2024-06-18 Benjamin Decardi-Nelson , Abdulelah S. Alshehri , Akshay Ajagekar , Fengqi You

Shortage of labeled seismic field data poses a significant challenge for deep-learning related applications in seismology. One approach to mitigate this issue is to use synthetic waveforms as a complement to field data. However, traditional…

地球物理 · 物理学 2023-10-03 Guoyi Chen , Junlun Li , Hao Guo

Global climate change has reduced crop resilience and pesticide efficacy, making reliance on synthetic pesticides inevitable, even though their widespread use poses significant health and environmental risks. While these pesticides remain a…

机器学习 · 计算机科学 2025-03-17 Taehan Kim , Wonduk Seo

We propose a differentially private data generation paradigm using random feature representations of kernel mean embeddings when comparing the distribution of true data with that of synthetic data. We exploit the random feature…

机器学习 · 计算机科学 2021-06-02 Frederik Harder , Kamil Adamczewski , Mijung Park

Dynamic multi-objective optimization requires continuous tracking of moving Pareto fronts. Existing methods struggle with irregular mutations and data sparsity, primarily facing three challenges: the non-linear coupling of dynamic modes,…

机器学习 · 计算机科学 2026-04-02 Yaoming Yang , Shuai Wang , Bingdong Li , Peng Yang , Ke Tang

To provide a foundation for the research of deep learning models, the construction of model pool is an essential step. This paper proposes a Training-Free and Efficient Model Generation and Enhancement Scheme (MGE). This scheme primarily…

计算机视觉与模式识别 · 计算机科学 2024-02-28 Xuan Wang , Zeshan Pang , Yuliang Lu , Xuehu Yan

Gaussian process regression has recently emerged as a powerful, system-agnostic tool for building global potential energy surfaces (PES) of polyatomic molecules. While the accuracy of GP models of PES increases with the number of potential…

化学物理 · 物理学 2019-07-23 Jun Dai , Roman V. Krems

Learning robust manipulation policies typically requires large and diverse datasets, the collection of which is time-consuming, labor-intensive, and often impractical for dynamic environments. In this work, we introduce DynaMimicGen (D-MG),…

Understanding how well a deep generative model captures a distribution of high-dimensional data remains an important open challenge. It is especially difficult for certain model classes, such as Generative Adversarial Networks and Diffusion…

机器学习 · 计算机科学 2023-08-08 Suman Ravuri , Mélanie Rey , Shakir Mohamed , Marc Deisenroth

Data driven generative machine learning models have recently emerged as one of the most promising approaches for new materials discovery. While the generator models can generate millions of candidates, it is critical to train fast and…

材料科学 · 物理学 2021-12-14 Daniel Gleaves , Edirisuriya M. Dilanga Siriwardane , Yong Zhao , Nihang Fu , Jianjun Hu

In this paper, we present a machine learning-based data generator framework tailored to aid researchers who utilize simulations to examine various physical systems or processes. High computational costs and the resulting limited data often…

机器学习 · 计算机科学 2023-05-17 Sabber Ahamed , Md Mesbah Uddin

The ability to generate physically plausible ensembles of variable sources is critical to the optimization of time-domain survey cadences and the training of classification models on datasets with few to no labels. Traditional data…

天体物理仪器与方法 · 物理学 2020-05-19 Jorge Martínez-Palomera , Joshua S. Bloom , Ellianna S. Abrahams

Received waveforms contain rich information for both range information and environment semantics. However, its full potential is hard to exploit under multipath and non-line-of-sight conditions. This paper proposes a deep generative model…

信号处理 · 电气工程与系统科学 2023-05-30 Yuxiao Li , Santiago Mazuelas , Yuan Shen

Operator-based neural network architectures such as DeepONets have emerged as a promising tool for the surrogate modeling of physical systems. In general, towards operator surrogate modeling, the training data is generated by solving the…

机器学习 · 计算机科学 2024-02-28 Shivam Choubey , Birupaksha Pal , Manish Agrawal

To fill the gap between accurate (and expensive) ab initio calculations and efficient atomistic simulations based on empirical interatomic potentials, a new class of descriptions of atomic interactions has emerged and been widely applied;…

材料科学 · 物理学 2024-03-28 Tongqi Wen , Linfeng Zhang , Han Wang , Weinan E , David J. Srolovitz

We propose a new probabilistic framework that allows mobile robots to autonomously learn deep, generative models of their environments that span multiple levels of abstraction. Unlike traditional approaches that combine engineered models…

机器人学 · 计算机科学 2018-01-01 Andrzej Pronobis , Rajesh P. N. Rao

We present LiDARGen, a novel, effective, and controllable generative model that produces realistic LiDAR point cloud sensory readings. Our method leverages the powerful score-matching energy-based model and formulates the point cloud…

计算机视觉与模式识别 · 计算机科学 2022-09-27 Vlas Zyrianov , Xiyue Zhu , Shenlong Wang

We develop deep Poisson-gamma dynamical systems (DPGDS) to model sequentially observed multivariate count data, improving previously proposed models by not only mining deep hierarchical latent structure from the data, but also capturing…

机器学习 · 统计学 2019-01-03 Dandan Guo , Bo Chen , Hao Zhang , Mingyuan Zhou