# Bio-Inspired Magnetic Navigation via Rao-Blackwellized Particle Filter Gradient Descent

- Source: arXiv cs.RO
- Published: 2026-10-19T04:00:00.000Z
- RoboHot: https://robohot.news/en/items/z1pv8doelkj9w68qpuriktkr9
- Original: https://arxiv.org/abs/2610.23097

## Summary

The paper proposes a gradient descent bio-inspired magnetic navigation (BIMN) method based on local gradient estimation with a Rao-Blackwellized particle filter (RBPF) for navigation in GPS-denied environments. The method does not rely on complex, bulky, and costly magnetic maps; gradient descent naturally draws the system toward the destination, enabling magnetic navigation without magnetic maps as a simple and memory-efficient approach.