Abstract
This chapter presents a study on L 1 optimization for the problem of electricity demand prediction based on machine learning. This electricity demand prediction is very important for balancing the power supply and demand in smart power grids, a critical infrastructure in smart societies, where the energy consumption increases every year. Due to its robustness to outliers, L 1 optimization is suitable to deal with challenges posed by the uncertainties on weather forecast, consumer behaviors, and renewable generation. Therefore, L 1 optimization will be utilized in this research for machine learning techniques, which are based on artificial neural networks (ANNs), to cope with the nonlinearity and uncertainty of demand curves. In addition, two approaches, namely L 2 and alternating direction method of multiplier (ADMM), will be used to solve the L 1 optimization problem and their performances will be compared to find out which one is better. Test cases for realistic weather and electricity consumption data in Tokyo will be introduced to demonstrate the efficiency of the employed optimization approaches.
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Acknowledgements
The author would like to send his thanks to the student, Mr. Nguyen Anh Tung, for his helps on the data collection and simulation; and to Prof. Kei Hirose at Institute of Mathematics for Industry (IMI), Kyushu University, for his fruitful discussions on this research.
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Nguyen, D.H. (2019). L 1 Optimization for Sparse Structure Machine Learning Based Electricity Demand Prediction. In: Fathi, M., Khakifirooz, M., Pardalos, P.M. (eds) Optimization in Large Scale Problems. Springer Optimization and Its Applications, vol 152. Springer, Cham. https://doi.org/10.1007/978-3-030-28565-4_25
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DOI: https://doi.org/10.1007/978-3-030-28565-4_25
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