Author

Hui Liu

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Review Open access Sep 2026

Underwater Gravity-Matching Navigation Algorithm Based on Adaptive-Scale Feature Descriptor

Gravity matching provides an absolute position reference for correcting the accumulated errors of an inertial navigation system (INS) during long-endurance underwater navigation. Its performance, however, can deteriorate when the available sampling data are limited, the gravity field is weakly distinctive, or the measu...

Hui Liu, Rui Jiang, H. Cheng et al. · Actuators · 0 citations

Open access Sep 2026

A Data-Driven Matching Error Compensation Framework for Underwater Gravity Aided Inertial Navigation

Continuity and reliability are critical for underwater gravity aided inertial navigation, while variations in gravity field suitability, sensor noise, and environmental disturbances can degrade gravity matching and navigation performance. To address this issue, a data-driven matching error compensation framework is pro...

Hui Liu, Yu-Hang Liu, Shu-Qiang Xue et al. · Journal of Marine Science an... · 0 citations