Working Paper Article Version 1 This version is not peer-reviewed

Predicting the Related Parameters of Vortex Bladeless Wind Turbine by Using Deep Learning Method

Version 1 : Received: 7 June 2021 / Approved: 9 June 2021 / Online: 9 June 2021 (07:38:21 CEST)

How to cite: Dehghan Manshadi, M.; Ghasemi, M.; Mousavi, S.M.; Mosavi, A. Predicting the Related Parameters of Vortex Bladeless Wind Turbine by Using Deep Learning Method. Preprints 2021, 2021060242 Dehghan Manshadi, M.; Ghasemi, M.; Mousavi, S.M.; Mosavi, A. Predicting the Related Parameters of Vortex Bladeless Wind Turbine by Using Deep Learning Method. Preprints 2021, 2021060242

Abstract

Energy harvesting from wind turbines has been explored by researchers for more than a century from conventional turbines up to the latest bladeless turbines. Amongst these bladeless turbines, vortex bladeless wind turbine (VBT) harvests energy from oscillation of a turbine body. Due to the novelty of this science and the widespread researches around the world, one of the most important issues is to optimize and predict produced power. To enhance the produced output electrical power of VBT, the fluid-solid interactions (FSI) were analyzed to collect a dataset for predicting procedure. Long short-term memory (LSTM) method has been used to predict the produced power of VBT from the collected data. The reason of choosing LSTM from various artificial neural network methods is that the parameters of VBT study are all time- dependent and the LSTM is one of the most accruable algorithms for predicting time series data. In order to find the relationship between the parameter and the variables used in this research, a correlation matrix was presented. According to the value of 0.3 for the root mean square error (RMSE), a comparative analysis between the simulation results and its prediction shows that the LSTM method is very accurate for these types of research. Furthermore, the LSTM method has significantly reduced the computation time so that the prediction time of desired values has been reduced from an average of 2 and a half hours to two minutes. Also, one of the most important achievements of this study is to suggest a mathematical relation of VBT output power which helps to extend it in a different size of VBT with a high range of parameter variations.

Subject Areas

Computational fluid dynamic; Long short term memory; Vortex bladeless wind turbine; Prediction; Correlation matrix.

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