Computational Approaches for Modeling Power Consumption on an Underwater Flapping Fin Propulsion System
The last few decades have led to the rise of research focused on propulsion and control systems for bio-inspired unmanned underwater vehicles (UUVs), which provide more maneuverable alternatives to traditional UUVs in underwater missions. Propulsive efficiency is of utmost importance for flapping-fi...
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Zusammenfassung: | The last few decades have led to the rise of research focused on propulsion
and control systems for bio-inspired unmanned underwater vehicles (UUVs), which
provide more maneuverable alternatives to traditional UUVs in underwater
missions. Propulsive efficiency is of utmost importance for flapping-fin UUVs
in order to extend their range and endurance for essential operations. To
optimize for different gait performance metrics, we develop a non-dimensional
figure of merit (FOM), derived from measures of propulsive efficiency, that is
able to evaluate different fin designs and kinematics, and allow for comparison
with other bio-inspired platforms. We create and train computational models
using experimental data, and use these models to predict thrust and power under
different fin operating states, providing efficiency profiles. We then use the
developed FOM to analyze optimal gaits and compare the performance between
different fin materials. These comparisons provide a better understanding of
how fin materials affect our thrust generation and propulsive efficiency,
allowing us to inform control systems and weight for efficiency on an inverse
gait-selector model. |
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DOI: | 10.48550/arxiv.2310.14135 |