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Underwater Cable Localization Method Based on Beetle Swarm Optimization Algorithm
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DOI：10.1109/JAS.2022.106073.png)
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Abstract
En 中文
Dear Editor, This letter concerns the localization of three-core underwater cables which are widely deployed for offshore energy transmission. It is a non-trivial problem, since the external magnetic field of three-core underwater cables is variable which reduces the accuracy of localization. To solve this problem, in this letter, an approximate equation is firstly derived to formulate the external magnetic field of a three-core armored underwater cable by considering the seafloor environments and the structure of three-core cables. Then, a new underwater cable localization method is proposed based on dual three-axis magnetic sensor array and the beetle swarm optimization (BSO) algorithm. The method constructs a fitness function based on the magnetic flux density amplitude and replaces the existing analytical geometry method with an optimization algorithm to achieve underwater cable localization with higher accuracy.
Keywords:
Underwater cables
Location awareness
Magnetic flux density
Sensor arrays
Magnetic fields
Robot sensing systems
Magnetic sensors
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