activity
20202025
most citedAdaptive Subband Compression for Streaming of Continuous Point-on-Wave and PMU Data

38 citations · 52 across the 11 of their papers we have counts for

collaborators

11 papers

stat.ML2025

AI Foundation Model for Time Series with Innovations Representation

Lang Tong, Xinyi Wang

This paper introduces an Artificial Intelligence (AI) foundation model for time series in engineering applications, where causal operations are required for real-time monitoring an…

eess.SY2025

Joint Scheduling of Deferrable and Nondeferrable Demand with Colocated Stochastic Supply

Minjae Jeon, Lang Tong, Qing Zhao

We investigate the problem of serving deferrable and nondeferrable electric demands with colocated stochastic supply and grid-imported electricity. Deferrable demands arrive random…

eess.SY2024★ 2 cited

Grid Monitoring with Synchro-Waveform and AI Foundation Model Technologies

Lang Tong, Xinyi Wang, Qing Zhao

Purpose:This article advocates for the development of a next-generation grid monitoring and control system designed for future grids dominated by inverter-based resources. Leveragi…

eess.SP2024

Probabilistic Forecasting of Real-Time Electricity Market Signals via Interpretable Generative AI

Xinyi Wang, Qing Zhao, Lang Tong

This paper introduces a generative AI approach to probabilistic forecasting of real-time electricity market signals, including locational marginal prices, interregional price sprea…

cs.LG2024

Generative Probabilistic Time Series Forecasting and Applications in Grid Operations

Xinyi Wang, Lang Tong, Qing Zhao

Generative probabilistic forecasting produces future time series samples according to the conditional probability distribution given past time series observations. Such techniques…

cs.LG2023★ 2 cited

Non-parametric Probabilistic Time Series Forecasting via Innovations Representation

Xinyi Wang, Meijen Lee, Qing Zhao +1

Probabilistic time series forecasting predicts the conditional probability distributions of the time series at a future time given past realizations. Such techniques are critical i…

cs.LG2022

Novelty Detection in Time Series via Weak Innovations Representation: A Deep Learning Approach

Xinyi Wang, Mei-jen Lee, Qing Zhao +1

We consider novelty detection in time series with unknown and nonparametric probability structures. A deep learning approach is proposed to causally extract an innovations sequence…

math.ST2021

As Easy as ABC: Adaptive Binning Coincidence Test for Uniformity Testing

Sudeep Salgia, Qing Zhao, Lang Tong

We consider the problem of uniformity testing of Lipschitz continuous distributions with bounded support. The alternative hypothesis is a composite set of Lipschitz continuous dist…

stat.ML2021★ 8 cited

Innovations Autoencoder and its Application in One-class Anomalous Sequence Detection

Xinyi Wang, Lang Tong

An innovations sequence of a time series is a sequence of independent and identically distributed random variables with which the original time series has a causal representation.…

eess.SY2020★ 2 cited

A Deep Learning Approach to Anomaly Sequence Detection for High-Resolution Monitoring of Power Systems

Kursat Rasim Mestav, Xinyi Wang, Lang Tong

A deep learning approach is proposed to detect data and system anomalies using high-resolution continuous point-on-wave (CPOW) or phasor measurements. Both the anomaly and anomaly-…

eess.SP2020★ 38 cited

Adaptive Subband Compression for Streaming of Continuous Point-on-Wave and PMU Data

Xinyi Wang, Yilu Liu, Lang Tong

A data compression system capable of providing real-time streaming of high-resolution continuous point-on-wave (CPOW) and phasor measurement unit (PMU) measurements is proposed. Re…