A new fuzzy-based combined prediction interval for wind power forecasting
Kavousi-Fard, Abdollah, Khosravi, Abbas and Nahavandi, Saeid 2016, A new fuzzy-based combined prediction interval for wind power forecasting, IEEE transactions on power systems, vol. 31, no. 1, pp. 18-26, doi: 10.1109/TPWRS.2015.2393880.
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A new fuzzy-based combined prediction interval for wind power forecasting
This paper makes use of the idea of prediction intervals (PIs) to capture the uncertainty associated with wind power generation in power systems. Since the forecasting errors cannot be appropriately modeled using distribution probability functions, here we employ a powerful nonparametric approach called lower upper bound estimation (LUBE) method to construct the PIs. The proposed LUBE method uses a new framework based on a combination of PIs to overcome the performance instability of neural networks (NNs) used in the LUBE method. Also, a new fuzzy-based cost function is proposed with the purpose of having more freedom and flexibility in adjusting NN parameters used for construction of PIs. In comparison with the other cost functions in the literature, this new formulation allows the decision-makers to apply their preferences for satisfying the PI coverage probability and PI normalized average width individually. As the optimization tool, bat algorithm with a new modification is introduced to solve the problem. The feasibility and satisfying performance of the proposed method are examined using datasets taken from different wind farms in Australia.
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