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Accurate battery lifetime prediction is important for preventative maintenance, warranties, and improved cell design and manufacturing. However, manufacturing variability and usage-dependent degradation make life prediction challenging.…

机器学习 · 计算机科学 2024-04-23 Tingkai Li , Zihao Zhou , Adam Thelen , David Howey , Chao Hu

Efficient load forecasting is needed to ensure better observability in the distribution networks, whereas such forecasting is made possible by an increasing number of smart meter installations. Because distribution networks include a large…

机器学习 · 计算机科学 2022-04-04 Miha Grabner , Yi Wang , Qingsong Wen , Boštjan Blažič , Vitomir Štruc

Simultaneous load forecasting across multiple entities (e.g., regions, buildings) is crucial for the efficient, reliable, and cost-effective operation of power systems. Accurate load forecasting is a challenging problem due to the inherent…

机器学习 · 计算机科学 2026-01-21 Onintze Zaballa , Verónica Álvarez , Santiago Mazuelas

Machine learning as a data-driven solution has been widely applied in the field of fatigue lifetime prediction. In this paper, three models for wideband fatigue life prediction are built based on three machine learning models, i.e. support…

材料科学 · 物理学 2023-11-14 Hong Sun , Yuanying Qiu , Jing Li , Jin Bai , Ming Peng

Load forecasting is an integral part of power system operations and planning. Due to the increasing penetration of rooftop PV, electric vehicles and demand response applications, forecasting the load of individual and a small group of…

系统与控制 · 电气工程与系统科学 2019-06-19 Ling Zhang , Baosen Zhang

In this paper, we explore the reduction of functionality in a complex system as a consequence of cumulative random damage and imperfect reparation, a phenomenon modeled as a dynamical process on networks. We analyze the global…

统计力学 · 物理学 2021-06-07 L. K. Eraso-Hernandez , A. P. Riascos , T. M. Michelitsch , J. Wang-Michelitsch

Accurately predicting the future health of batteries is necessary to ensure reliable operation, minimise maintenance costs, and calculate the value of energy storage investments. The complex nature of degradation renders data-driven…

应用统计 · 统计学 2020-06-05 Robert R. Richardson , Michael A. Osborne , David A. Howey

We propose a novel variational phase-field model for fracture and fatigue in pseudoelastic shape memory alloys (SMAs). The model, developed in a one-dimensional setting, builds upon the Auricchio-Petrini constitutive formulation for SMAs…

应用物理 · 物理学 2026-05-28 Alma Brambilla , Laura De Lorenzis , Lorenza Petrini

Accurate mid-term (weeks to one year) hourly electricity load forecasts are essential for strategic decision-making in power plant operation, ensuring supply security and grid stability, planning and building energy storage systems, and…

应用统计 · 统计学 2025-05-01 Monika Zimmermann , Florian Ziel

This paper introduces a simple framework for accurately predicting the fatigue lifetime of notched components by employing various machine learning algorithms applied to a wide range of materials, loading conditions, notch geometries, and…

应用物理 · 物理学 2023-10-19 Amir Mohammad Mirzaei

Repetitive tasks in industrial works may contribute to health problems among operators, such as musculo-skeletal disorders, in part due to insufficient control of muscle fatigue. In this paper, a predictive model of fatigue is proposed for…

机器人学 · 计算机科学 2015-03-24 Sophie Sakka , Damien Chablat , Ruina Ma , Fouad Bennis

Recent data-driven approaches have shown great potential in early prediction of battery cycle life by utilizing features from the discharge voltage curve. However, these studies caution that data-driven approaches must be combined with…

应用统计 · 统计学 2020-10-16 Valentin Sulzer , Peyman Mohtat , Suhak Lee , Jason B. Siegel , Anna G. Stefanopoulou

Electric load forecasting is an indispensable component of electric power system planning and management. Inaccurate load forecasting may lead to the threat of outages or a waste of energy. Accurate electric load forecasting is challenging…

机器学习 · 计算机科学 2023-10-25 Linxiao Yang , Rui Ren , Xinyue Gu , Liang Sun

The empirical mode decomposition (EMD) method and its variants have been extensively employed in the load and renewable forecasting literature. Using this multiresolution decomposition, time series (TS) related to the historical load and…

系统与控制 · 电气工程与系统科学 2020-11-24 Nima Safari , George Price , Chi Yung Chung

We analytically compute the full counting statistics of charge transfer in a classical automaton of interacting charged particles. Deriving a closed-form expression for the moment generating function with respect to a stationary equilibrium…

统计力学 · 物理学 2024-02-06 Žiga Krajnik , Johannes Schmidt , Vincent Pasquier , Enej Ilievski , Tomaž Prosen

Aluminum alloy A356-T6 was subjected to fully reversed cyclic loading under tension, torsion and combined loading. Results indicate that endurance limits are governed by maximum principal stress. Fractography demonstrates long shear mode…

材料科学 · 物理学 2014-06-06 M. J. Roy , Y. Nadot , D. M. Maijer , G. Benoit

This paper studies a distributed continuous-time aggregative optimization problem, which is a fundamental problem in the price-based energy management. The objective of the distributed aggregative optimization is to minimize the sum of…

最优化与控制 · 数学 2023-09-26 Xin Cai , Feng Xiao , Bo Wei , Aiping Wang

In this paper we study dynamic averaging load balancing on general graphs. We consider infinite time and dynamic processes, where in every step new load items are assigned to randomly chosen nodes. A matching is chosen, and the load is…

分布式、并行与集群计算 · 计算机科学 2023-02-24 Petra Berenbrink , Lukas Hintze , Hamed Hosseinpour , Dominik Kaaser , Malin Rau

Erosion poses a great challenge in multi-phase mass flows as it drastically changes flow behavior and deposition pattern by dramatically increasing their masses, adversely affecting population and civil structures. There exists no…

流体动力学 · 物理学 2025-03-28 Shiva P. Pudasaini

A numerical framework for simulating progressive failure under high-cycle fatigue loading is validated against experiments of composite quasi-isotropic open-hole laminates. Transverse matrix cracking and delamination are modeled with a…

计算工程、金融与科学 · 计算机科学 2024-05-06 P. Hofman , F. P. van der Meer , L. J. Sluys