---
title: Real-time passive control of wave energy converters using the Hilbert–Huang transform
description: A passive-control strategy for wave-energy converters that adapts damping to instantaneous wave frequency rather than using static tuning. HHT supplies the frequency at every sample; the adaptive controller improves energy absorption over fixed-gain in irregular seas.
image: https://helpdesk.arpuro.io/hubfs/arpuro-blog/3e8ab668e9d51cde1c0c675875f2c31827539c19-1086x1086.png
---

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# Real-time passive control of wave energy converters using the Hilbert–Huang transform

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