A brain-inspired information fusion method for enhancing robot GPS outages navigation

• URL: http://arxiv.org/abs/2601.08244v1
• Date: Tue, 13 Jan 2026 06:02:17 GMT
• Title: A brain-inspired information fusion method for enhancing robot GPS outages navigation
• Abstract summary: Low-cost inertial navigation systems (INS) are prone to sensor biases and measurement noise.<n>This paper proposes a brain-inspired GPS/INS fusion network (BGFN) based on spiking neural networks (SNNs)
• Score: 5.430077228813539
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Low-cost inertial navigation systems (INS) are prone to sensor biases and measurement noise, which lead to rapid degradation of navigation accuracy during global positioning system (GPS) outages. To address this challenge and improve positioning continuity in GPS-denied environments, this paper proposes a brain-inspired GPS/INS fusion network (BGFN) based on spiking neural networks (SNNs). The BGFN architecture integrates a spiking Transformer with a spiking encoder to simultaneously extract spatial features from inertial measurement unit (IMU) signals and capture their temporal dynamics. By modeling the relationship between vehicle attitude, specific force, angular rate, and GPS-derived position increments, the network leverages both current and historical IMU data to estimate vehicle motion. The effectiveness of the proposed method is evaluated through real-world field tests and experiments on public datasets. Compared to conventional deep learning approaches, the results demonstrate that BGFN achieves higher accuracy and enhanced reliability in navigation performance, particularly under prolonged GPS outages.

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