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Bond graph modelling of a wave energy conversion system with hydraulic power take-off

Author

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  • Kurniawan, Adi
  • Pedersen, Eilif
  • Moan, Torgeir

Abstract

A system viewpoint is essential in the study of wave energy converters, since several different energy domains are involved in such devices. In this regard, bond graph, a graphical, port-based approach to modelling engineering systems, serves as a useful tool. This article presents a study of a wave energy conversion system with hydraulic power take-off. With the aid of bond graph, two alternative hydraulic system designs are modelled by assembling hydraulic subsystems/components in different manners. A shallow-water pitching wave energy conversion system is considered as a case study, and selected simulation results using the two alternative hydraulic system designs are presented. In addition, this article suggests how to model by bond graph the dynamics of a multi-body wave energy conversion system.

Suggested Citation

  • Kurniawan, Adi & Pedersen, Eilif & Moan, Torgeir, 2012. "Bond graph modelling of a wave energy conversion system with hydraulic power take-off," Renewable Energy, Elsevier, vol. 38(1), pages 234-244.
    • Handle: RePEc:eee:renene:v:38:y:2012:i:1:p:234-244
    DOI: 10.1016/j.renene.2011.07.027
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    References listed on IDEAS

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    1. Breedveld, Peter C, 2004. "Port-based modeling of mechatronic systems," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 66(2), pages 99-128.
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    Cited by:

    1. Bubbar, K. & Buckham, B., 2018. "On establishing an analytical power capture limit for self-reacting point absorber wave energy converters based on dynamic response," Applied Energy, Elsevier, vol. 228(C), pages 324-338.
    2. Mohd Afifi Jusoh & Mohd Zamri Ibrahim & Muhamad Zalani Daud & Aliashim Albani & Zulkifli Mohd Yusop, 2019. "Hydraulic Power Take-Off Concepts for Wave Energy Conversion System: A Review," Energies, MDPI, vol. 12(23), pages 1-23, November.
    3. Guo, Bingyong & Ringwood, John V., 2021. "Geometric optimisation of wave energy conversion devices: A survey," Applied Energy, Elsevier, vol. 297(C).
    4. Xuhui, Yue & Qijuan, Chen & Zenghui, Wang & Dazhou, Geng & Donglin, Yan & Wen, Jiang & Weiyu, Wang, 2019. "A novel nonlinear state space model for the hydraulic power take-off of a wave energy converter," Energy, Elsevier, vol. 180(C), pages 465-479.
    5. Gao, Hong & Xiao, Jie, 2021. "Effects of power take-off parameters and harvester shape on wave energy extraction and output of a hydraulic conversion system," Applied Energy, Elsevier, vol. 299(C).
    6. Ozkop, Emre & Altas, Ismail H., 2017. "Control, power and electrical components in wave energy conversion systems: A review of the technologies," Renewable and Sustainable Energy Reviews, Elsevier, vol. 67(C), pages 106-115.
    7. Shi, Hongda & Cao, Feifei & Liu, Zhen & Qu, Na, 2016. "Theoretical study on the power take-off estimation of heaving buoy wave energy converter," Renewable Energy, Elsevier, vol. 86(C), pages 441-448.
    8. Gaspar, José F. & Calvário, Miguel & Kamarlouei, Mojtaba & Soares, C. Guedes, 2018. "Design tradeoffs of an oil-hydraulic power take-off for wave energy converters," Renewable Energy, Elsevier, vol. 129(PA), pages 245-259.
    9. Juan Carlos Antolín-Urbaneja & Alain Cortés & Itziar Cabanes & Patxi Estensoro & Joseba Lasa & Marga Marcos, 2015. "Modeling Innovative Power Take-Off Based on Double-Acting Hydraulic Cylinders Array for Wave Energy Conversion," Energies, MDPI, vol. 8(3), pages 1-38, March.
    10. Gaspar, José F. & Calvário, Miguel & Kamarlouei, Mojtaba & Guedes Soares, C., 2016. "Power take-off concept for wave energy converters based on oil-hydraulic transformer units," Renewable Energy, Elsevier, vol. 86(C), pages 1232-1246.

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