Real-time deformation monitoring of large diameter shield tunnel based on multi-sensor data fusion technique

Ding, Ning; Zhou, Yuliang; Li, Dongpeng; Zeng, Kun

doi:10.1016/j.measurement.2023.114061

Measurement

2024

DOI: 10.1016/j.measurement.2023.114061

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Real-time deformation monitoring of large diameter shield tunnel based on multi-sensor data fusion technique

Ning Ding,

Yuliang Zhou,

Dongpeng Li

et al.

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Deformation data analysis of shield tunnel based on ICEEMDAN- wavelet -NLMS joint model

yin,

shi

2024

Fifth International Conference on Geology, Mapping, and Remote Sensing (ICGMRS 2024)

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The settlement deformation of subway tunnels during the construction and operation stages is a relatively complex nonlinear process. The original settlement deformation monitoring data will be affected by some noise during the collection process. In order to reduce the impact of noise and errors in the subsequent prediction process, a joint denoising model based on the improved empirical mode decomposition (ICEEMDAN) algorithm, wavelet threshold denoising and NLMS adaptive filtering was constructed. The model first uses ICEEMDAN to decompose the original data. After decomposing the intrinsic modal component IMF, it divides it into high-frequency and low-frequency components. Then the wavelet threshold is used to remove the components with high correlation coefficients in the high-frequency and low-frequency components. Noise and NLMS adaptive filtering are processed, and finally the additive reconstruction is performed to obtain the denoised data. Experimental analysis results show that compared with ICEEMDAN, wavelet threshold denoising and NLMS adaptive filtering algorithms, the joint denoising model has better denoising effect, higher correlation coefficient, signal-to-noise ratio and smaller mean square root error.

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Deformation data analysis of shield tunnel based on ICEEMDAN- wavelet -NLMS joint model

yin,

shi

2024

Fifth International Conference on Geology, Mapping, and Remote Sensing (ICGMRS 2024)

View full text Add to dashboard Cite

show abstract

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Real-time deformation monitoring of large diameter shield tunnel based on multi-sensor data fusion technique

Cited by 1 publication

References 21 publications

Deformation data analysis of shield tunnel based on ICEEMDAN- wavelet -NLMS joint model

Deformation data analysis of shield tunnel based on ICEEMDAN- wavelet -NLMS joint model

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