Analyzing the Short-Term Dependency in Ultra-High Magnetic Response Systems - Modeling Sequential Data with Non-Recurrent Neural Networks
Analyzing the Short-Term Dependency in Ultra-High Magnetic Response Systems - Modeling Sequential Data with Non-Recurrent Neural Networks
复制标题
分析超高磁响应系统的短期依赖性 - 使用非循环神经网络建模序列数据
DOI:
10.1016/j.procs.2021.05.044
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Li, Lichun
中科院分区:
文献类型:
--
作者:
Sun, Jieming;Li, Lichun
Recurrent neural network (RNN) is a popular modeling choice for sequential data. However, empirical experience shows RNNs are often difficult and time-consuming to tune and customize. It drives practitioners to replace RNNs with non-recurrent neural networks which presented comparable performances in some cases. The success of using non-recurrent neural networks to model sequential data indicates the short-term dependency among sequential data. In this paper, we systematically analyze the short-term dependency in ultra-high magnetic response systems (UHMR) with partial system knowledge based on the observability criterion of the dynamic systems. Moreover, we show that the sequential data in the UHMR system only have 2-step dependency. This result indicates that any consecutive three steps in an experiment form a datum to train a feed-forward neural network (FFNN). Therefore, sufficient data can be collected within a small number of experiments. Based on the analysis, we train a feed-forward neural network to model the UHMR system based on the sequential data from four experiments. Through proper data pre-processing, the FFNN model can predict the system performance with bounded mean absolute error.
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