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Bio-Inspired Magnetic Navigation Using Gradient Descent With Rao-Blackwellized Particle Filtering

2026-10-16 08:09:43
Zayed Herma, Andrea Vassilev, Philippe Cardin, Jean-Michel Leger
arXiv_RO
   
Abstract

Navigation in GPS-denied environments is commonly based on magnetic maps, which are used to correct trajectory drift and enable relocalization. However, such navigation systems suffer from a strong dependence on magnetic maps that are complex, heavy, and costly to construct. Bio-inspired magnetic navigation (BIMN) does not rely on magnetic maps, making it simpler and more frugal. In this paper, we present a gradient descent BIMN method based on the Rao-Blackwellized particle filter (RBPF) for local gradient estimation. We show that magnetic navigation can be performed without magnetic maps, as gradient descent naturally attracts the system toward the destination, resulting in a simple and memory-efficient approach.

Abstract (translated)

URL

https://arxiv.org/abs/2610.23097

PDF

https://arxiv.org/pdf/2610.23097.pdf

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