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Author:

Ji, J. (Ji, J..) | Hu, Z. (Hu, Z..) | Yang, S. (Yang, S..)

Indexed by:

Scopus

Abstract:

In order to promote the construction of high performance intelligent seismic test platform, realize the intelligent upgrade and optimization of shaking table control algorithm, a deep learning controller framework of shaking table based on LSTM(Long and Short-term Memory Network)was proposed in the paper. The feasibility and effectiveness of LSTM controller was verified by training and simulating the input-output relationship of three-variable controller. Considering the limitation that LSTM relies on complete and continuous trajectories to preserve memory, a method of processing real-time feedback signal based on LSTM closed-loop control was proposed, which helps the LSTM controller to avoid the loss of past memory when receiving real-time feedback signals by storing the hidden layer state“h”and the long-term memory state“c”separately. The simulation results shown that the deep learning controller can effectively imitate the control performance of the three-variable algorithm and reproduce the time-history curve of seismic acceleration wave through the training method of supervised learning, which indicated that the deep learning controller has enough potential in dealing with nonlinear control problems. © 2022 Science Press. All rights reserved.

Keyword:

LSTM closed-loop control three-variable control deep learning shaking table

Author Community:

  • [ 1 ] [Ji J.]Beijing Key Lab of Earthquake Engineering and Structural Retrofit, Beijing University of Technology, Beijing, 100124, China
  • [ 2 ] [Hu Z.]Beijing Key Lab of Earthquake Engineering and Structural Retrofit, Beijing University of Technology, Beijing, 100124, China
  • [ 3 ] [Yang S.]Beijing Key Lab of Earthquake Engineering and Structural Retrofit, Beijing University of Technology, Beijing, 100124, China

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Source :

Earthquake Engineering and Engineering Dynamics

ISSN: 1000-1301

Year: 2022

Issue: 5

Volume: 42

Page: 63-69

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 2

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 8

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