Electricity in the air: Insights from two decades of advanced control research and experimental flight testing of airborne wind energy systems

C Vermillion, M Cobb, L Fagiano, R Leuthold… - Annual Reviews in …, 2021 - Elsevier
Airborne wind energy systems convert wind energy into electricity using tethered flying
devices, typically flexible kites or aircraft. Replacing the tower and foundation of …

Integrated physical design, control design, and site selection for an underwater energy-harvesting kite system

K Naik, C Vermillion - Renewable Energy, 2024 - Elsevier
This paper presents a co-design framework that optimizes the kite design, site, and
controller of a kite-based marine hydrokinetic (MHK) energy-harvesting system. The …

Autonomous closed-loop experimental characterization and dynamic model validation of a scaled underwater kite

A Abney, J Reed, K Naik… - Journal of …, 2022 - asmedigitalcollection.asme.org
This paper presents the closed-loop experimental framework and dynamic model validation
for a 1/12-scale underwater kite design. The pool-based tow testing framework described …

Experimental Validation of an Iterative Learning-Based Flight Trajectory Optimizer for an Underwater Kite

J Reed, K Naik, A Abney, D Herbert… - … on Control Systems …, 2024 - ieeexplore.ieee.org
In this work, we present an iterative learning strategy and experimental validation thereof for
optimizing the flight trajectory of an underwater kite. The methodology is adapted to two …

Optimal cyclic control of an ocean kite system in a spatiotemporally varying flow environment

J Reed, J Daniels, A Siddiqui, M Cobb… - 2021 American …, 2021 - ieeexplore.ieee.org
This paper presents a technique for maximizing the power production of a tethered marine
energy-harvesting kite performing cross-current figure-eight flight in a 3D spatiotemporally …

Dynamic Characterization, Flow Modeling, and Hierarchical Control of an Energy-Harvesting Underwater Kite in Realistic Ocean Conditions

JC Reed, M Muglia, M Cobb… - … Marine Energy Journal, 2023 - marineenergyjournal.org
This paper presents a hierarchical control framework for a kite-based marine hydrokinetic
(MHK) system, along with a detailed characterization of the dynamic and energetic …

An analytic solution to the inverse dynamics of an energy harvesting tethered kite

D Bhattacharjee, MA Tiburcio… - Journal of …, 2022 - asmedigitalcollection.asme.org
This paper solves the inverse dynamics of a tethered kite analytically. Specifically, the paper
presents a procedure for determining the angle of attack, induced roll angle, and tether …

Stability and performance of an undersea kite operating in a turbulent flow field

J Reed, A Abney, KD Mishra, K Naik… - … on Control Systems …, 2023 - ieeexplore.ieee.org
In this article, we examine the effects of flow disturbances resulting from turbulence on the
dynamic behavior of an underwater energy-harvesting kite system that executes periodic …

Sensor fusion observer design and experimental validation for an underwater kite

Z Leonard, S Bryant, K Naik, A Abney… - 2022 American …, 2022 - ieeexplore.ieee.org
Underwater energy-harvesting kites possess the capacity, under appropriate control
algorithms, to deliver more than an order of magnitude additional power per unit mass than …

A low-order wake interaction modeling framework for the performance of ocean current turbines under turbulent conditions

P Razi, P Ramaprabhu, P Tarey, M Muglia… - Renewable Energy, 2022 - Elsevier
Understanding the effects of ambient turbulence (expressed often in terms of the turbulence
intensity I t) is critical to the development of predictive models for the performance of Ocean …