报告详情
Complex-Phasor Modeling and Route Inversion for Coherent Magnetic Fields of Parallel Submarine Cables
编号：143
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更新：2026-10-14 23:53:23 浏览：7次
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摘要
Reliable route perception is essential for subsea cable operation. For parallel cables energized at the same frequency, complex magnetic-field superposition causes peak enhancement, cancellation, and displacement, making amplitude peaks unreliable indicators of cable positions. This paper develops a vessel-borne/towed system integrating dual magnetic sensors, an INS, and a high-rate acquisition module, and proposes a phase-aware multi-cable route inversion method. Target-frequency complex phasors preserve inter-sensor amplitude and phase information. Global search, variable projection, and S-shaped crossing constraints initialize the cable routes, while multiscale response detection, GPS constraints, and observability gating support crossing-event identification, cable association, and continuous route updating. In a shore-based single-cable test conducted 1.5 m west of the cable, the route MAE was 0.111 m. Field validation at the Sheyang wind-farm landfall successfully reconstructed four cable routes, with a median internal fitting RMSE of 0.825 m. The results demonstrate reliable multi-cable route estimation under unknown currents and significant phase interference.
Reliable route perception is essential for subsea cable operation. For parallel cables energized at the same frequency, complex magnetic-field superposition causes peak enhancement, cancellation, and displacement, making amplitude peaks unreliable indicators of cable positions. This paper develops a vessel-borne/towed system integrating dual magnetic sensors, an INS, and a high-rate acquisition module, and proposes a phase-aware multi-cable route inversion method. Target-frequency complex phasors preserve inter-sensor amplitude and phase information. Global search, variable projection, and S-shaped crossing constraints initialize the cable routes, while multiscale response detection, GPS constraints, and observability gating support crossing-event identification, cable association, and continuous route updating. In a shore-based single-cable test conducted 1.5 m west of the cable, the route MAE was 0.111 m. Field validation at the Sheyang wind-farm landfall successfully reconstructed four cable routes, with a median internal fitting RMSE of 0.825 m. The results demonstrate reliable multi-cable route estimation under unknown currents and significant phase interference.
Reliable route perception is essential for subsea cable operation. For parallel cables energized at the same frequency, complex magnetic-field superposition causes peak enhancement, cancellation, and displacement, making amplitude peaks unreliable indicators of cable positions. This paper develops a vessel-borne/towed system integrating dual magnetic sensors, an INS, and a high-rate acquisition module, and proposes a phase-aware multi-cable route inversion method. Target-frequency complex phasors preserve inter-sensor amplitude and phase information. Global search, variable projection, and S-shaped crossing constraints initialize the cable routes, while multiscale response detection, GPS constraints, and observability gating support crossing-event identification, cable association, and continuous route updating. In a shore-based single-cable test conducted 1.5 m west of the cable, the route MAE was 0.111 m. Field validation at the Sheyang wind-farm landfall successfully reconstructed four cable routes, with a median internal fitting RMSE of 0.825 m. The results demonstrate reliable multi-cable route estimation under unknown currents and significant phase interference.
关键词
parallel subsea cables,dual-magnetometer sensing,coherent magnetic field,complex-phasor inversion,variable projection; observability
报告人
Qian Su
doctoral candidate Xi'an Jiaotong University稿件作者
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重要日期
-
会议日期
11月06日
2026
至11月08日
2026
-
10月15日 2026
初稿截稿日期
主办单位
IEEE Instrumentation and Measurement Society
承办单位
Sichuan University
联系方式
- Icsmd
- ic******@163.com
历届会议
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2026年11月13日 中国 Chengdu
2026 International Conference on Sensing, Measurement & Data Analytics in the era of Artificial Intelligence (ICSMD) -
2025年11月21日 中国 Guangzhou
2025 International Conference on Sensing, Measurement & Data Analytics in the era of Artificial Intelligence -
2023年11月02日 中国 China
International Conference on Sensing, Measurement & Data Analytics in the era of Artificial Intelligence -
2023年11月02日 中国 Xi'an
2023 International Conference on Sensing, Measurement & Data Analytics in the era of Artificial Intelligence -
2022年11月30日 中国 Harbin
International Conference on Sensing, Measurement & Data Analytics in the era of Artificial Intelligence -
2021年10月21日 中国 Nanjing
2021 International Conference on Sensing, Measurement and Data Analytics in the era of Artificial Intelligence -
2020年10月15日 中国 Xi'an
International Conference on Sensing, Measurement and Data Analytics in the era of Artificial Intelligence
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