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MoRPI-PINN: A Physics-Informed Framework for Mobile Robot Pure Inertial Navigation

Created by
  • Haebom

Author

Arup Kumar Sahoo, Itzik Klein

Outline

This paper proposes MoRPI-PINN, a novel method based on a Physically Informed Neural Network (PINN), that enables accurate mobile robot navigation even in the absence of satellite navigation or cameras. To address the drift problem of navigation solutions that arise when using only inertial sensors, we employ snake-like meandering motions to increase the inertial signal-to-noise ratio and reconstruct the mobile robot's position. By incorporating physical laws and constraints into the learning process, we provide an accurate and robust navigation solution, and experimental results demonstrate an accuracy improvement of over 85% compared to existing methods. This lightweight approach allows for implementation on edge devices and can be applied to general mobile robot applications.

Takeaways, Limitations

Takeaways:
Enables accurate mobile robot navigation even in environments without satellite navigation or cameras.
Achieved accuracy improvement of over 85% compared to existing methods.
Its lightweight structure suggests the possibility of implementation in edge devices.
Expanding applicability to various mobile robot applications.
Limitations:
Lack of detailed description of the experimental environment and dataset.
Lack of robustness verification against other types of sensors or environmental changes.
Analysis of accumulated errors during long-term use is required.
Restrictions on special movements such as snakes.
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