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2016 | OriginalPaper | Buchkapitel

GRNN Model for Fault Diagnosis of Unmanned Helicopter Rotor’s Unbalance

verfasst von : Xi-hua Xie, Lei Xu, Liang Zhou, Yao Tan

Erschienen in: Proceedings of the 5th International Conference on Electrical Engineering and Automatic Control

Verlag: Springer Berlin Heidelberg

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Abstract

In order to diagnose the unmanned helicopter rotor’s unbalance fault accurately, a method based on particle swarm optimization algorithm and generalized regression neural network (PSO-GRNN) is proposed. The average mean square error got from cross-validation is used as the fitness function of particle swarm, then the optimal GRNN smooth factor is attained by using particle swarm optimization algorithm, and an optimal model for fault diagnosis is achieved finally. It can be concluded that, based on the PSO-GRNN model, the type and the grade of the helicopter rotor’s unbalance can be diagnosed effectively, the diagnosis accurate rate of fault type is up to 94.29 % and the maximum error of fault grade is only 6.54 %, which is perfectly satisfied for the requirement of project.

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Metadaten
Titel
GRNN Model for Fault Diagnosis of Unmanned Helicopter Rotor’s Unbalance
verfasst von
Xi-hua Xie
Lei Xu
Liang Zhou
Yao Tan
Copyright-Jahr
2016
Verlag
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/978-3-662-48768-6_61

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