Detect and classify wakes utilizing local velocity measurement.

What is it about?

Marine swimmers can usually inform and extract energy from external flows based on the hydrodynamic signals they detected. And robotic fishes would like to take the same advantages but the first step is to classify different types wakes in the surrounding environment. We constructed a method towards a real-time classification of vortex wakes in the external flow of a swimmer utilizing local information from velocity measurements.

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Why is it important?

Detection of wakes can help develop a good estimation of wake hydrodynamics such that a control system can be designed accordingly for marine swimmers or robotic fishes to achieve specific gaits and locomotion, which will benefit in maneuverability and energy saving.