구조동역학에서 iIRS방법을 활용한 효율적인 인공신경망 접근 방안Efficient Artificial Neural Network Approach for Structural Dynamics Using iIRS Method
- Other Titles
- Efficient Artificial Neural Network Approach for Structural Dynamics Using iIRS Method
- Authors
- 리숴; 이재철; 김성은; 안준걸; 양현익
- Issue Date
- Oct-2021
- Publisher
- 한국생산제조학회
- Keywords
- Structural dynamics analysis; Artificial neural network; Reduced order modeling; Iterated improved reduced system
- Citation
- 한국생산제조학회지, v.30, no.6, pp.447 - 455
- Indexed
- KCI
- Journal Title
- 한국생산제조학회지
- Volume
- 30
- Number
- 6
- Start Page
- 447
- End Page
- 455
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/110450
- DOI
- 10.7735/ksmte.2021.30.6.447
- ISSN
- 2508-5093
- Abstract
- Artificial neural network approaches are used to efficiently generate meta-prediction fields for structural dynamics problems. However, these approaches exert heavy computational burden, which makes it difficult to improve the quality of the prediction fields. Therefore, we propose an artificial neural network strategy for structural dynamics problems using the iterated improved reduced system (iIRS) method. In the proposed method, characteristics of structural data are first extracted using the transformation matrix of the iIRS method. Next, the neural network (NN) is trained using only the extracted features. The prediction fields are restored by combining the trained NN results with the transformation matrix in the iIRS method. As a result, the quality of NN for structural dynamics problems is significantly improved owing to the efficient computational procedure. The performance of the proposed method is verified using the gearbox-housing model in an electric vehicle.
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