Journal
SENSORS
Volume 18, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/s18010039
Keywords
autonomous underwater vehicle; geomagnetic navigation; bio-inspired navigation; gradient descent steering algorithm
Funding
- National Nature Science Foundation of China [61703335, 51379176]
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By simulating the geomagnetic fields and analyzing the variation of intensities, this paper presents a model for calculating the objective function of an Autonomous Underwater Vehicle (AUV) geomagnetic navigation task. By investigating the biologically inspired strategies, the AUV successfully reaches the destination during geomagnetic navigation without using the priori geomagnetic map. Similar to the pattern of a flatworm, the proposed algorithm relies on a motion pattern to trigger a local searching strategy by detecting the real-time geomagnetic intensity. An adapted strategy is then implemented, which is based on the specific target. The results show the reliability and effectiveness of the proposed algorithm.
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