Rotor blade imbalance fault detection for variable-speed marine current turbines via generator power signal analysis

B Freeman, Y Tang, Y Huang, J VanZwieten - Ocean Engineering, 2021 - Elsevier
Marine hydrokinetic (MHK) turbines extract renewable energy from oceanic environments.
However, due to the harsh conditions that these turbines operate in, system performance …

Physics-informed turbulence intensity infusion: A new hybrid approach for marine current turbine rotor blade fault detection

B Freeman, Y Tang, Y Huang, J VanZwieten - Ocean Engineering, 2022 - Elsevier
Ocean current turbines (OCT) convert the kinetic energy housed within the earth's ocean
currents into electricity. However, OCT technologies used to harvest this energy are still at …

[HTML][HTML] Tidal energy resource characterization in Chacao Channel, Chile

M Guerra, R Cienfuegos, J Thomson… - International journal of …, 2017 - Elsevier
Chacao Channel is an energetic tidal channel located at the northernmost part of the
Chilean Patagonia. The channel has been previously identified as a prospective site for tidal …

Iterative learning-based path optimization with application to marine hydrokinetic energy systems

M Cobb, J Reed, J Daniels, A Siddiqui… - … on Control Systems …, 2021 - ieeexplore.ieee.org
This article presents an iterative learning control (ILC)-based approach for optimizing the
flight path geometry of a tethered marine hydrokinetic (MHK) energy system. This type of …

Hierarchical control design and performance assessment of an ocean kite in a turbulent flow environment

J Reed, M Cobb, J Daniels, A Siddiqui, M Muglia… - IFAC-PapersOnLine, 2020 - Elsevier
This paper presents a hierarchical control framework for a kite-based marine hydrokinetic
(MHK) system that executes power-augmenting cross-current flight, along with simulation …

Adaptive super-twisting sliding mode control for ocean current turbine-driven permanent magnet synchronous generator

Y Tang, Y Zhang, A Hasankhani… - 2020 American …, 2020 - ieeexplore.ieee.org
Blue economy industries, such as aquaculture or deep sea mining, are moving further
offshore to take advantage of the vast scale of the ocean, but moving further offshore …

Modeling and numerical simulation of a buoyancy controlled ocean current turbine

A Hasankhani, J VanZwieten, Y Tang… - … Marine Energy Journal, 2021 - par.nsf.gov
Increased global renewable power demands and the high energy density of ocean currents
have motivated the development of ocean current turbines (OCTs). These compliantly …

Comparison of synthetic turbulence approaches for blade element momentum theory prediction of tidal turbine performance and loads

M Togneri, G Pinon, C Carlier, CC Bex, I Masters - Renewable Energy, 2020 - Elsevier
Turbulence is a crucial flow phenomenon for tidal energy converters (TECs), as it influences
both the peak loads they experience and their fatigue life. To best mitigate its effects we must …

Flexible-time receding horizon iterative learning control with application to marine hydrokinetic energy systems

M Cobb, J Reed, M Wu, KD Mishra… - … on Control Systems …, 2022 - ieeexplore.ieee.org
This brief presents an iterative learning control (ILC) framework for a class of repetitive
control (RC) applications characterized by: 1) continuous operation; 2) flexible iteration time; …

Analysis of turbulence and extreme current velocity values in a tidal channel

P Garcia Novo, Y Kyozuka - Journal of Marine Science and Technology, 2019 - Springer
Tidal stream energy has emerged as one of the most promising alternative energy sources
to the use of fossil fuels. Nevertheless, there are some crucial issues that must be overcome …