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Aggregately Regularized Multi-task Matrix Factorization for Household Energy Breakdown

  • Hongtao Wang
  • Miao Zhao
  • Chunlan Niu
  • Hongmei WangEmail author
Conference paper
  • 830 Downloads
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11775)

Abstract

Household energy breakdown aims to disaggregate the monthly energy consumption into appliance level usage. It is an important but challenging issue due to the cost of hardware deployments. Existing approaches shed light on decomposing the energy in a non-intrusive way and utilizing matrix factorization. However, traditional matrix factorization methods overlook the relations among appliances and aggregations. In this paper, we propose an novel aggregately regularized Multi-task model, Non-negative Matrix Factorization (MultiNMF), to address this issue. By combining the per-appliance tasks with regularizations, MultiNMF can simultaneously infer the appliance level energy usage for users. The model is evaluated on both synthetic and real world datasets with different settings, and the experimental results demonstrate the effectiveness of our approach.

Notes

Acknowledgments

This work was supported in part by the National Natural Science Foundation of China (Grant No.61802124), and the Fundamental Research Funds for the Central Universities (2019MS126).

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Hongtao Wang
    • 1
  • Miao Zhao
    • 1
  • Chunlan Niu
    • 1
  • Hongmei Wang
    • 1
    Email author
  1. 1.School of Control and Computer EngineeringNorth China Electric Power UniversityBaodingChina

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