Journal of Shanghai Jiao Tong University

Journal of Shanghai Jiaotong University >

2024 , Vol. 58 >Issue 7: 1018 - 1026

DOI: https://doi.org/10.16183/j.cnki.jsjtu.2022.417

Naval Architecture, Ocean and Civil Engineering

Degaussing Coil Deployment and Degaussing Current Optimization Strategy for Ship Partition Based on Tilted Correlation Screening

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  • 1. School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
    2. Marine Design and Research Institute of China, Shanghai 200011, China

Received date: 2022-10-20

  Revised date: 2022-12-06

  Accepted date: 2023-01-10

  Online published: 2023-03-07

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Abstract

In modern ship degaussing systems, degaussing windings are mainly distributed based on the shape of ship bulkhead, which is difficult to ensure the degaussing effect of magnetic induction intensity of unit winding of each degaussing winding. In order to solve this problem, this paper introduces a tilted correlation screening in high-dimensional variable filter, which splits and recombines the original coils, and re-divides the original degaussing sections, so as to improve the degaussing efficiency of each coil. Aiming at the problem of sparse parameter vectors and multiple collinearity in the calculation of degaussing current after winding restructuring, this paper proposes a slant correlation screening and partial ridge regression algorithm. Through simulation, when the threshold is 0.73 and 0.91, the algorithm reduces 10.08% and 17.59% respectively compared with the least square method, while the residual root mean square error decreases by 10.45% and 12.17%. The simulation results show that the degaussing effect is significantly improved after the algorithm is adopted.

Key words： ship degaussing; tilted correlation screening; least square method; partial ridge regression; section partition

Cite this article

TIAN Ye, YU Moduo, HUANG Wentao, TAI Nengling, NIU Lu . Degaussing Coil Deployment and Degaussing Current Optimization Strategy for Ship Partition Based on Tilted Correlation Screening[J]. Journal of Shanghai Jiaotong University, 2024 , 58(7) : 1018 -1026 . DOI: 10.16183/j.cnki.jsjtu.2022.417

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