Numerical Optimal Control of Wave Energy Converters
Energy maximizing control for wave energy converters (WECs) is a nonstandard optimal control problem. While the constrained optimal control problem for WECs has been addressed by model-predictive control strategies, such strategies need to employ cost function modifications due to convexity problems...
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| Veröffentlicht in: | IEEE transactions on sustainable energy 2015-04, Vol.6 (2), p.294-302 |
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| creator | Bacelli, Giorgio Ringwood, John V. |
| description | Energy maximizing control for wave energy converters (WECs) is a nonstandard optimal control problem. While the constrained optimal control problem for WECs has been addressed by model-predictive control strategies, such strategies need to employ cost function modifications due to convexity problems and the algorithms are computationally complex, making real-time implementation difficult. The recently developed family of direct transcription methods offer a promising alternative, since they are computationally efficient and a convex problem results. Moreover, constraints on both the device displacement and velocity, and power take off force, are easily incorporated. Both single-body and multibody device models can be used, as well as arrays of single-body or multibody devices. |
| doi_str_mv | 10.1109/TSTE.2014.2371536 |
| format | Article |
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While the constrained optimal control problem for WECs has been addressed by model-predictive control strategies, such strategies need to employ cost function modifications due to convexity problems and the algorithms are computationally complex, making real-time implementation difficult. The recently developed family of direct transcription methods offer a promising alternative, since they are computationally efficient and a convex problem results. Moreover, constraints on both the device displacement and velocity, and power take off force, are easily incorporated. 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| subjects | Control systems direct transcription Equations Force Fourier series Mathematical model Method of moments Optimal control Vectors wave energy |
| title | Numerical Optimal Control of Wave Energy Converters |
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