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- W2359648924 abstract "Aiming at nonlinearility,couplement and noise exsiting in measurements,QPSO(Quantum Particle Swarm Optimization) algorithm was introduced into parameter selection,and a fault diagnosis method was presented combined with radial basis network. Number of neighborhood and simplified dimension are key problems of manifold learning. Firstly,this method uses QPSO algorithm to select number of neighborhood,simplifying dimension and parameter in radial basis function optimally. Secondly,it uses ISOMAP to reduce nonlinear dimension of original parameter and it extracts features in low dimension manifold,and classifies fault. This method was introduced into aeroengine fault diagnosis. The results indicate that this method can classify every composite fault effectively,and the accuracy reaches 97.33%,the result of QPSO is superior to basic PSO(Particle Swarm Optimization) algorithm. Its accuracy is abviously superior to PCA(Principal Component Analysis),KPCA(Kernel Principal Component Analysis),and it resists strongly to noise." @default.
- W2359648924 created "2016-06-24" @default.
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- W2359648924 date "2014-01-01" @default.
- W2359648924 modified "2023-09-23" @default.
- W2359648924 title "Classification Method Based Quantum Particle Swarm and Manifold Learning and Its Application to Engine Fault Diagnosis" @default.
- W2359648924 hasPublicationYear "2014" @default.
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