RVM with wavelet kernel combined with PSO for short-term load forecasting in electric power systems

• Autorzy: Wang L. , Liu Z.

Warianty tytułu

PL

Hybrydowe połączenie funkcji PSO i RVM jako narzędzie do krótkoterminowego prognozowania obciążenia sieci energetycznej

• Języki publikacji: EN

Abstrakty

EN

This paper presents a new hybrid method for the short-term load forecasting in electric power systems based on particle swarm optimization (PSO) and relevance vector machine (RVM). In this method, we firstly develop a type of kernel as the kernel function of the RVM model, and then its parameter is optimized by the PSO, finally the established RVM forecast mode is applied to short-term load forecasting in electric power systems in a city. The simulation results show the parameter of the wavelet kernel is well optimized using the PSO, and the acquired RVM model is more sparse and can obtain higher forecast accuracy compared with the RVM model with Gaussian kernel, so the proposed method is effective for forecasting the short-term load in electric power systems.

PL

W artykule zaprezentowano nową hybrydową metode krótkoterminowego prognozowania obciążeń sieci energetycznej bazująca na algorytmie mrówkowym PSO i narzędzia RVM (relevance vector machine). W pierwszym etapie wyznaczane jest falkowe jądro (kernel) jako RVM co znacznie poprawia skuteczność algorytmu PSO.

Słowa kluczowe

EN

load forecasting; wavelet kernel; PSO; RVM

PL

prognozowanie obciążeń; jądro falki; algorytm mrówkowy; PSO

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2012
• Tom: R. 88, nr 1b
• Strony: 146--149
• Opis fizyczny: Bibliogr. 10 poz., rys., tab., wykr.

Twórcy

autor

Wang L.

autor

Liu Z.

• College of Hydropower, Hebei University of Engineering, Handan 056021, China,

Bibliografia

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• [9] YANG Liu1, ZHANG Lei, ZHANG Shaoxun, LIU Jianwei. Comparison Research of Single Kernel and Multi-kernel Relevance Vector Machine, Computer Engineering, (2010)36:12,195-197
• [10] Pan Duan, Kaigui Xie, Tingting Guo,Xiaogang Huang. Short- Term Load Forecasting for Electric Power Systems Using the PSO-SVR and FCM Clustering Techniques. Energies, (2011) 4, 173-184