Journal
ENGINEERING APPLICATIONS OF ARTIFICIAL INTELLIGENCE
Volume 110, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.engappai.2022.104683
Keywords
Grey Bernoulli model; Fractional order accumulation; Time delay; Grey wolf optimizer; Energy prediction
Categories
Funding
- National Natural Science Foundation of China [71901184, 72001181]
- Sichuan Science and Technology Program of China [20QYCX0030, 2020YFQ0030]
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Energy prediction plays a crucial role in the transformation of China's energy market. A scientific and reasonable method can assist the government in making effective decisions and adjusting energy structure and industrial layout. The proposed new model, together with the Grey Wolf Optimizer, provides more accurate predictions of energy development trends.
Energy affects the stable and sustainable development of social economy. Energy prediction plays an important role in the process of China's energy market transformation. Scientific and reasonable energy predicting method can help government to make decisions effectively, and then adjust energy structure and industrial layout. The energy field is full of fractional order phenomenon and nonlinear disturbance. Aiming at the energy data sets with the characteristics of scarcity, complexity and nonlinear, a mathematical model including time delay term and Bernoulli equation can be used to fit this trend. A new fractional time-delayed grey Bernoulli model is proposed, and the new model has a wider application in the nonlinear field. The model is discretized by integral, and the least square estimation of the linear parameters and the approximate time response equation are obtained. The Grey Wolf Optimizer (GWO) is used to search the optimal parameters of the model. In addition, the energy prediction model is established from the perspective of renewable energy and fossil energy, and the effectiveness of the model is verified by three actual cases of renewable energy, crude oil and fossil fuel. Compared with the other seven grey models, the results show that the new model has higher prediction performance. Finally, the energy development trend in the next few years is predicted by using the proposed model, and relevant conclusions are drawn according to the prediction results.
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