Model Predictive Control of parametric excited pitch-surge modes in wave energy converters
Abstract
For a heave-pitch-surge three-degrees-of-freedom wave energy converter, the heave mode is usually decoupled from the pitch-surge modes for small motions. The pitch-surge modes are usually coupled and are parametrically excited by the heave mode, depending on the buoy geometry. In this paper, a Model Predictive Control is applied to the parametric excited pitch-surge motion, while the heave motion is optimized independently. The optimality conditions are derived, and a gradient-based numerical optimization algorithm is used to search for the optimal control. Numerical tests are conducted for regular and Bretschneider waves. The results demonstrate that the proposed control can be implemented to harvest more than three times the energy that can be harvested using a heave-only wave energy converter. As a result, the energy harvested using a parametrically excited model is higher than that is harvested when using a linear model.
- Authors:
-
- Michigan Technological Univ., Houghton, MI (United States)
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Publication Date:
- Research Org.:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Wind and Water Technologies Office (EE-4W)
- OSTI Identifier:
- 1485453
- Alternate Identifier(s):
- OSTI ID: 1496468
- Report Number(s):
- SAND-2018-12264J
Journal ID: ISSN 2214-1669; 669161
- Grant/Contract Number:
- AC04-94AL85000
- Resource Type:
- Accepted Manuscript
- Journal Name:
- International Journal of Marine Energy
- Additional Journal Information:
- Journal Volume: 19; Journal Issue: C; Journal ID: ISSN 2214-1669
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 16 TIDAL AND WAVE POWER; Wave energy conversion; Parametric excited wave energy conversion; Pitch-surge control; Model Predictive Control
Citation Formats
Zou, Shangyan, Abdelkhalik, Ossama, Robinett, III, Rush D., Korde, Umesh A., Bacelli, Giorgio, Wilson, David G., and Coe, Ryan. Model Predictive Control of parametric excited pitch-surge modes in wave energy converters. United States: N. p., 2017.
Web. doi:10.1016/j.ijome.2017.05.002.
Zou, Shangyan, Abdelkhalik, Ossama, Robinett, III, Rush D., Korde, Umesh A., Bacelli, Giorgio, Wilson, David G., & Coe, Ryan. Model Predictive Control of parametric excited pitch-surge modes in wave energy converters. United States. https://doi.org/10.1016/j.ijome.2017.05.002
Zou, Shangyan, Abdelkhalik, Ossama, Robinett, III, Rush D., Korde, Umesh A., Bacelli, Giorgio, Wilson, David G., and Coe, Ryan. Wed .
"Model Predictive Control of parametric excited pitch-surge modes in wave energy converters". United States. https://doi.org/10.1016/j.ijome.2017.05.002. https://www.osti.gov/servlets/purl/1485453.
@article{osti_1485453,
title = {Model Predictive Control of parametric excited pitch-surge modes in wave energy converters},
author = {Zou, Shangyan and Abdelkhalik, Ossama and Robinett, III, Rush D. and Korde, Umesh A. and Bacelli, Giorgio and Wilson, David G. and Coe, Ryan},
abstractNote = {For a heave-pitch-surge three-degrees-of-freedom wave energy converter, the heave mode is usually decoupled from the pitch-surge modes for small motions. The pitch-surge modes are usually coupled and are parametrically excited by the heave mode, depending on the buoy geometry. In this paper, a Model Predictive Control is applied to the parametric excited pitch-surge motion, while the heave motion is optimized independently. The optimality conditions are derived, and a gradient-based numerical optimization algorithm is used to search for the optimal control. Numerical tests are conducted for regular and Bretschneider waves. The results demonstrate that the proposed control can be implemented to harvest more than three times the energy that can be harvested using a heave-only wave energy converter. As a result, the energy harvested using a parametrically excited model is higher than that is harvested when using a linear model.},
doi = {10.1016/j.ijome.2017.05.002},
journal = {International Journal of Marine Energy},
number = C,
volume = 19,
place = {United States},
year = {Wed May 31 00:00:00 EDT 2017},
month = {Wed May 31 00:00:00 EDT 2017}
}
Figures / Tables:
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Works referencing / citing this record:
Control of Three Degrees-of-Freedom Wave Energy Converters Using Pseudo-Spectral Methods
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Control Strategies Applied to Wave Energy Converters: State of the Art
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Towards Reduced-Order Models of Solid Oxide Fuel Cell
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Figures / Tables found in this record: