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This paper presents findings on dynamic cell modeling for state-of-charge (SOC) estimation in an autonomous electric vehicle (AEV). The studied cells are Lithium-Ion Polymer-based with a nominal capacity of around 8Ah, optimized for…

系统与控制 · 电气工程与系统科学 2023-06-21 Qasim Ajao , Lanre Sadeeq

We propose a predictor-corrector adaptive method for the simulation of hyperbolic partial differential equations (PDEs) on networks under general uncertainty in parameters, initial conditions, or boundary conditions. The approach is based…

数值分析 · 数学 2024-03-26 Jake J. Harmon , Svetlana Tokareva , Anatoly Zlotnik

In this paper, we introduce the Deep Finite Volume Method (DFVM), an innovative deep learning framework tailored for solving high-order (order \(\geq 2\)) partial differential equations (PDEs). Our approach centers on a novel loss function…

数值分析 · 数学 2024-07-15 Jianhuan Cen , Qingsong Zou

Block copolymers provide a wonderful platform in studying the soft condensed matter systems. Many fascinating ordered structures have been discovered in bulk and confined systems. Among various theories, the self-consistent field theory…

软凝聚态物质 · 物理学 2019-05-01 Huayi Wei , Ming Xu , Wei Si , Kai Jiang

While large-scale visual foundation models (VFMs) exhibit strong generalization across diverse visual domains, their potential for single-frame infrared small target (SIRST) detection remains largely unexplored. To fill this gap, we…

计算机视觉与模式识别 · 计算机科学 2025-12-08 Chuang Yu , Jinmiao Zhao , Yunpeng Liu , Yaokun Li , Xiujun Shu , Yuanhao Feng , Bo Wang , Yimian Dai , Xiangyu Yue

Robust and Real-time State of Charge (SOC) estimation is essential for Lithium Iron Phosphate (LFP) batteries, which are widely used in electric vehicles (EVs) and energy storage systems due to safety and longevity. However, the flat Open…

系统与控制 · 电气工程与系统科学 2025-07-03 Junzhe Shi , Shida Jiang , Shengyu Tao , Jaewong Lee , Manashita Borah , Scott Moura

Modeling of Li-ion cells is used in battery management systems (BMS) to determine key states such as state-of-charge (SoC), state-of-health (SoH), etc. Accurate models are also useful in developing a cell-level digital-twin that can be used…

系统与控制 · 电气工程与系统科学 2024-05-27 Abhijit Kulkarni , Ahsan Nadeem , Roberta Di Fonso , Yusheng Zheng , Remus Teodorescu

Accurate modeling of lithium ion (li-ion) batteries is essential for enhancing the safety, and efficiency of electric vehicles and renewable energy systems. This paper presents a data-inspired approach for improving the fidelity of…

系统与控制 · 电气工程与系统科学 2024-11-21 Samuel Filgueira da Silva , Mehmet Fatih Ozkan , Faissal El Idrissi , Prashanth Ramesh , Marcello Canova

In this paper, we consider a nonlinear PDE system governed by a parabolic heat equation coupled in a nonlinear way with a hyperbolic momentum equation describing the behavior of a displacement field coupled with a nonlinear elliptic…

数值分析 · 数学 2023-11-16 Maryam Parvizi , Amirreza Khodadadian , Thomas Wick

This paper presents an improved immersed moving boundary model (IBM) for solving complex fluid-particle interactions in a coupled lattice Boltzmann method (LBM) and an adhesive discrete element method (DEM), using the "partially saturated…

软凝聚态物质 · 物理学 2020-10-21 Wenwei Liu , Chuan-Yu Wu

All-solid-state batteries hold great promise for electric vehicle applications due to their enhanced safety and higher energy density. However, further performance optimization requires a deeper understanding of their degradation…

Many problems in electrical engineering or fluid mechanics can be modeled by parabolic-elliptic interface problems, where the domain for the exterior elliptic problem might be unbounded. A possibility to solve this class of problems…

数值分析 · 数学 2018-05-15 Christoph Erath , Robert Schorr

The chemical master equation (CME) is frequently used in systems biology to quantify the effects of stochastic fluctuations that arise due to biomolecular species with low copy numbers. The CME is a system of ordinary differential equations…

定量方法 · 定量生物学 2017-10-25 Ankit Gupta , Jan Mikelson , Mustafa Khammash

A conservative discrete velocity method (DVM) is developed for the ellipsoidal Fokker-Planck (ES-FP) equation in prediction of non-equilibrium neutral gas flows in this paper. The ES-FP collision operator is solved in discrete velocity…

计算物理 · 物理学 2019-09-25 Sha Liu , Ruifeng Yuan , Usman Javid , Chengwen Zhong

We propose a predictor-corrector adaptive method for the study of hyperbolic partial differential equations (PDEs) under uncertainty. Constructed around the framework of stochastic finite volume (SFV) methods, our approach circumvents…

数值分析 · 数学 2024-01-24 Jake J. Harmon , Svetlana Tokareva , Anatoly Zlotnik , Pieter J. Swart

A growing interest in the study of aging related phenomena in lithium-ion batteries is propelled by the increasing utilization of energy storage systems in electric vehicles and in buildings as stationery energy accumulators paired with…

系统与控制 · 电气工程与系统科学 2022-06-14 Cory Miller , Mithun Goutham , Xiaoling Chen , Prasad Dev Hanumalagutti , Rachel Blaser , Stephanie Stockar

We show convergence of a cell-centered finite volume discretization for linear elasticity. The discretization, termed the MPSA method, was recently proposed in the context of geological applications, where cell-centered variables are often…

数值分析 · 数学 2017-05-19 Jan Martin Nordbotten

Non-invasive parametrisation of physics-based battery models can be performed by fitting the model to electrochemical impedance spectroscopy (EIS) data containing features related to the different physical processes. However, this requires…

This work expands on our recently introduced low Mach enthalpy method [1] for simulating the melting and solidification of a phase change material (PCM) alongside (or without) an ambient gas phase. The method captures PCM's volume change…

流体动力学 · 物理学 2025-03-11 Ramakrishnan Thirumalaisamy , Amneet Pal Singh Bhalla

This letter proposes a lightweight, model-free online diagnostic framework for detecting internal short circuits (ISC) in single lithium-ion cells under dynamic operating conditions. The core of the method lies in computing the first-order…

系统与控制 · 电气工程与系统科学 2025-06-17 Yangyang Xu , Chenglin Liao