Simulation of Fluctuating Wind Speeds Based on Data-Driven Approaches

Yue Dan Wang; Chun Xiang Li

doi:10.4028/www.scientific.net/AMM.635-637.1618

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 635-637Simulation of Fluctuating Wind Speeds Based on...

Simulation of Fluctuating Wind Speeds Based on Data-Driven Approaches

Abstract:

With the rapid development of information science and technology, data-driven approaches are already being the research tide in many fields. BP neural network (BPNN), support vector machine (SVM) and least squares support vector machine (LS-SVM) are introduced and adopted to simulate fluctuating time-series wind speeds in this paper. The regression-prediction models developed by implementing machine interpolation learning are established respectively. And the original speeds used as learning and forecast samples for the simulation of the data-driven approaches are obtained through AR numerical modeling. Based on the comparison of evaluation index, the results show that the simulated fluctuating wind speeds through SVM and LS-SVM are more accurate than the simulated speeds through BPNN, but the simulation time of LS-SVM and BPNN are shorter than the SVM.