期刊
SENSORS
卷 23, 期 13, 页码 -出版社
MDPI
DOI: 10.3390/s23136219
关键词
performance prediction; feature selection; data distribution; integrated learning; self-attention
This paper proposes a novel machine learning prediction method that accurately predicts landing gear performance by selecting key features, using different base learners, and adaptively adjusting weights. The excellent prediction performance of the proposed method is validated through a series of experiments.
The landing gear structure suffers from large loads during aircraft takeoff and landing, and an accurate prediction of landing gear performance is beneficial to ensure flight safety. Nevertheless, the landing gear performance prediction method based on machine learning has a strong reliance on the dataset, in which the feature dimension and data distribution will have a great impact on the prediction accuracy. To address these issues, a novel MCA-MLPSA is developed. First, an MCA (multiple correlation analysis) method is proposed to select key features. Second, a heterogeneous multilearner integration framework is proposed, which makes use of different base learners. Third, an MLPSA (multilayer perceptron with self-attention) model is proposed to adaptively capture the data distribution and adjust the weights of each base learner. Finally, the excellent prediction performance of the proposed MCA-MLPSA is validated by a series of experiments on the landing gear data.
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