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A Data-Driven Three-Stage Adaptive Pattern Mining Approach for Multi-Energy Loads
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DOI：10.1109/TKDE.2024.3462770.png)
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摘要
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In-depth understanding of the multi-energy consumption behavior pattern is the essential to improve the management of multi-energy system (MES). This paper proposes a data-driven three-stage adaptive pattern mining approach for multi-energy loads, which addresses the issues of complex multi-dimensional time-series mining, uncommon daily loads discovery, typical load classification and parameter setting requiring user intervention. In the first stage, the relative state changes over time between different energy loads are excavated based on Autoplait, which realizes time pattern discovery, segmentation and match for multi-dimensional loads. In the second stage, adaptive affinity propagation (AAP) considering trend similarity distance (TSD) is proposed to classify loads into common and uncommon clusters, where uncommon loads are eliminated and daily pattern is obtained by taking average of common loads. In the third stage, AAP with windows dynamic time warping (WDTW) identifies various profiles to obtain typical pattern of daily loads. Specifically, pattern mining provides the key information of multi-energy loads, which is significant to the applications for the demand side, such as load scene compression, load forecasting and demand response analysis. A case study uses MES data from Arizona State University to verify the effectiveness and practicality of the proposed approach.
Keyword:
Market research
Data mining
Time series analysis
Hidden Markov models
Clustering algorithms
Pattern matching
Excavation
Multi-energy loads
multi-dimensional time series
pattern mining
demand response analysis
affinity propagation
期刊
IF:
10.4
论文数:
6.8K
被引数:
3.2W
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