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A dynamic load identification method using gru neural network

  • Northwestern Polytechnical University Xian

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The Gated Recurrent Unit (GRU) neural network neural network is introduced into the identification of dynamic load. Using the "memory" characteristics of the GRU neural network combined with the solution principle of vibration response, a time-domain dynamic load identification method based on GRU neural network is proposed. Dynamic load identification experiments are carried out on a stiffened panel subjected to two stationary random point loads. The results show that the time histories of the loads can be accurately identified by using this method. At the same time, the power spectral density functions of the identified loads and the actual loads also have a high degree of coincidence. The proposed method does not need to establish the dynamic model of the structure, which provides an effective load identification approach for engineering structures.

Original languageEnglish
Title of host publication"Advances in Acoustics, Noise and Vibration - 2021" Proceedings of the 27th International Congress on Sound and Vibration, ICSV 2021
EditorsEleonora Carletti, Malcolm Crocker, Marek Pawelczyk, Jiri Tuma
PublisherSilesian University Press
ISBN (Electronic)9788378807995
StatePublished - 2021
Event27th International Congress on Sound and Vibration, ICSV 2021 - Virtual, Online
Duration: 11 Jul 202116 Jul 2021

Publication series

Name"Advances in Acoustics, Noise and Vibration - 2021" Proceedings of the 27th International Congress on Sound and Vibration, ICSV 2021
ISSN (Print)2329-3675

Conference

Conference27th International Congress on Sound and Vibration, ICSV 2021
CityVirtual, Online
Period11/07/2116/07/21

Keywords

  • Deep learning
  • GRU neural network
  • Load identification
  • Random dynamic load

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