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Journal ArticleDOI

Damage Identification of Multimember Structure using Improved Neural Networks

M. Rajendra, +1 more
- Vol. 3, Iss: 3, pp 57-75
TLDR
The performance of the novel IRBF method is compared with the conventional RBF and Genetic algorithm methods and it is found to be a good multiple member damage identification strategy in terms of accuracy and precision with less computational effort.
Abstract
A novel two stage Improved Radial Basis Function (IRBF) neural network for the damage identification of a multimember structure in the frequency domain is presented. The improvement of the proposed IRBF network is carried out in two stages. Conventional RBF network is used in the first stage for preliminary damage prediction and in the second stage reduced search space moving technique is used to minimize the prediction error. The network is trained with fractional frequency change ratios (FFCs) and damage signature indices (DSIs) as effective input patterns and the corresponding damage severity values as output patterns. The patterns are searched at different damage levels by Latin hypercube sampling (LHS) technique. The performance of the novel IRBF method is compared with the conventional RBF and Genetic algorithm (GA) methods and it is found to be a good multiple member damage identification strategy in terms of accuracy and precision with less computational effort.

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Citations
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References
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Pattern Recognition and Machine Learning

TL;DR: Probability Distributions, linear models for Regression, Linear Models for Classification, Neural Networks, Graphical Models, Mixture Models and EM, Sampling Methods, Continuous Latent Variables, Sequential Data are studied.

Pattern Recognition and Machine Learning

TL;DR: Probability distributions of linear models for regression and classification are given in this article, along with a discussion of combining models and combining models in the context of machine learning and classification.
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TL;DR: Within-subject and mixed designs of Factorial Design have been studied in this article, where the Principal Two-Factor Within-Factor Effects and Simple Effects have been used to estimate the effect size and power of interaction components.
Journal ArticleDOI

Fast learning in networks of locally-tuned processing units

TL;DR: This work proposes a network architecture which uses a single internal layer of locally-tuned processing units to learn both classification tasks and real-valued function approximations (Moody and Darken 1988).
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