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Electrifying heavy-duty trucks offers a substantial opportunity to curtail carbon emissions, advancing toward a carbon-neutral future. However, the inherent challenges of limited battery energy and the sheer weight of heavy-duty trucks lead…

系统与控制 · 电气工程与系统科学 2024-05-27 Linyu Liu , Zhen Dai , Shiji Song , Xiaocheng Li , Guanting Chen

The generalized master equation or the equivalent continuous time random walk equations can be used to compute the macroscopic first passage time distribution (FPTD) of a complex stochastic system from short-term microscopic simulation…

化学物理 · 物理学 2009-11-11 David Shalloway , Anton Faradjian

The safe and stable operation of power systems is greatly challenged by the high variability and randomness of wind power in large-scale wind-power-integrated grids. Wind power forecasting is an effective solution to tackle this issue, with…

机器学习 · 计算机科学 2023-05-23 Hao Liu , Huimin Ma , Tianyu Hu

We present a queuing model of parking dynamics and a model-based prediction method to provide real-time probabilistic forecasts of future parking occupancy. The queuing model has a non-homogeneous arrival rate and time-varying service time…

机器学习 · 计算机科学 2019-09-02 Hamidreza Tavafoghi , Kameshwar Poolla , Pravin Varaiya

The Disturbance storm time (Dst) index has been widely used as a proxy for the ring current intensity, and therefore as a measure of geomagnetic activity. It is derived by measurements from four ground magnetometers in the geomagnetic…

空间物理 · 物理学 2023-05-10 A. Hu , E. Camporeale , B. Swiger

This paper presents an effective framework for estimating time of arrival of vehicles (buses) in an Intelligent Transit Management System (ITMS) having sparse position updates. Our contributions towards this is firstly in implementing a…

系统与控制 · 电气工程与系统科学 2023-11-22 Shivika Sharma , Nandini Mawane , Dhruthick Gowda M , Mayur Taware , Chetan Kumar , Yash Chandrashekhar Dixit , Rakshit Ramesh

We present an approach for adapting the Gaussian dispersion analysis (GDA) of optical materials to time-domain simulations. Within a GDA model, the imaginary part of a measured dielectric function is presented as a sum of Gaussian…

光学 · 物理学 2022-07-20 Ludmila Prokopeva , Samuel Peana , Alexander Kildishev

The solution of the Multi-Depot Vehicle Scheduling Problem (MDVSP) can often be improved substantially by incorporating Trip Shifting (TS) as a model feature. By allowing departure times to deviate a few minutes from the original timetable,…

最优化与控制 · 数学 2023-04-13 Rolf van Lieshout , Thomas van der Schaft

Machine learning (ML) based time series forecasting models often require and assume certain degrees of stationarity in the data when producing forecasts. However, in many real-world situations, the data distributions are not stationary and…

机器学习 · 计算机科学 2023-04-05 Ziyi Liu , Rakshitha Godahewa , Kasun Bandara , Christoph Bergmeir

Accurate prediction of travel time is an essential feature to support Intelligent Transportation Systems (ITS). The non-linearity of traffic states, however, makes this prediction a challenging task. Here we propose to use dynamic linear…

机器学习 · 计算机科学 2020-09-03 Semin Kwak , Nikolas Geroliminis

We introduce an approach for analyzing the responses of dynamical systems to external perturbations that combines score-based generative modeling with the Generalized Fluctuation-Dissipation Theorem (GFDT). The methodology enables accurate…

数据分析、统计与概率 · 物理学 2024-11-11 Ludovico Theo Giorgini , Katherine Deck , Tobias Bischoff , Andre Souza

The conventional deep learning approaches for solving time-series problem such as long-short term memory (LSTM) and gated recurrent unit (GRU) both consider the time-series data sequence as the input with one single unit as the output…

信号处理 · 电气工程与系统科学 2020-07-01 Xiaoming Li , Chun Wang , Xiao Huang , Yimin Nie

Diffusion models generate data by learning to reverse a forward process, where samples are progressively perturbed with Gaussian noise according to a predefined noise schedule. From a geometric perspective, each noise schedule corresponds…

图像与视频处理 · 电气工程与系统科学 2025-10-21 Teng Zhang , Hongxu Jiang , Kuang Gong , Wei Shao

In this paper, we study the problem of learning one-dimensional Gaussian mixture models (GMMs) with a specific focus on estimating both the model order and the mixing distribution from independent and identically distributed (i.i.d.)…

机器学习 · 统计学 2026-02-24 Xinyu Liu , Hai Zhang

Many transport processes in ecology, physics and biochemistry can be described by the average time to first find a site or exit a region, starting from an initial position. Typical mathematical treatments are based on formulations that…

偏微分方程分析 · 数学 2025-01-16 Thomas Hillen , Maria R. D'Orsogna , Jacob C. Mantooth , Alan E. Lindsay

To support the adoption of electric transport systems, public charging opportunities are becoming increasingly important. In this dynamic environment, a central challenge for route planning and charging scheduling is forecasting…

系统与控制 · 电气工程与系统科学 2026-05-27 Joas Kahlert , Ruiting Wang , Jonas Mårtensson

The exit time probability, which gives the likelihood that an initial condition leaves a prescribed region of the phase space of a dynamical system at, or before, a given time, is arguably one of the most natural and important transport…

计算物理 · 物理学 2021-08-25 Minglei Yang , Guannan Zhang , Diego del-Castillo-Negrete , Miroslav Stoyanov

Meteorological factors (MF) are crucial in day-ahead load forecasting as they significantly influence the electricity consumption behaviors of consumers. Numerous studies have incorporated MF into the load forecasting model to achieve…

机器学习 · 计算机科学 2025-01-07 Yangze Zhou , Guoxin Lin , Gonghao Zhang , Yi Wang

The dynamic mode decomposition (DMD) technique extracts the dominant modes characterizing the innate dynamical behavior of the system within the measurement data. For appropriate identification of dominant modes from the measurement data,…

系统与控制 · 电气工程与系统科学 2022-10-25 G. Revati , Syed Shadab , K. Sonam , S. R. Wagh , N. M. Singh

The problem of how to estimate diffusion on a graph effectively is of importance both theoretically and practically. In this paper, we make use of two widely studied indices, geodesic distance and mean first-passage time ($MFPT$) for random…

组合数学 · 数学 2019-10-17 Fei Ma , Xiaomin Wang , Ping Wang