Open-loop control co-design of floating offshore wind turbines using linear parameter-varying models (bibtex)
by Sundarrajan, Athul K., Lee, Yong Hoon, Allison, James T. and Herber, Daniel R.
Abstract:
This paper discusses a framework to design floating offshore wind turbines (FOWTs) in an integrated manner using linear parameter-varying models. Multiple linearized models derived from high-fidelity software are used to model the system in different operating regions characterized by the incoming wind speed. The combined model is then used to generate open-loop optimal control trajectories as part of a nested control co-design strategy that explores the system’s stability and power production in the context of crucial plant and control design decisions. A cost model is developed for the FOWT system and the effect of plant decisions and subsequent power and stability response of the FOWT is quantified in terms of the levelized cost of energy for that system. The results show that the stability constraints and the plant design decisions have an effect on the power produced by the turbine and subsequently LCOE of the system. From the results an optimal result is a lighter plant in terms of mass can produce the same power for a lower LCOE, while satisfying the constraints.
Reference:
Athul K. Sundarrajan, Yong Hoon Lee, James T. Allison, Daniel R. Herber, "Open-loop control co-design of floating offshore wind turbines using linear parameter-varying models", in ASME IDETC/CIE Conference, DETC2021-67573, 2021, pp. 1-13.
Bibtex Entry:
@inproceedings{Sundarrajan2021DETC,
    author = "Sundarrajan, Athul K. and Lee, Yong Hoon and Allison, James T. and Herber, Daniel R.",
    title = "Open-loop control co-design of floating offshore wind turbines using linear parameter-varying models",
    booktitle = "ASME IDETC/CIE Conference",
    address = "Virtual Conference",
    year = "2021",
    month = aug,
    number = "DETC2021-67573",
    pages = "1-13",
%    pdf = "",
    doi = "10.1115/DETC2021-67573",
%    gsid = "",
%    comment = "",
    abstract = "This paper discusses a framework to design floating offshore wind turbines (FOWTs) in an integrated manner using linear parameter-varying models. Multiple linearized models derived from high-fidelity software are used to model the system in different operating regions characterized by the incoming wind speed. The combined model is then used to generate open-loop optimal control trajectories as part of a nested control co-design strategy that explores the system’s stability and power production in the context of crucial plant and control design decisions. A cost model is developed for the FOWT system and the effect of plant decisions and subsequent power and stability response of the FOWT is quantified in terms of the levelized cost of energy for that system. The results show that the stability constraints and the plant design decisions have an effect on the power produced by the turbine and subsequently LCOE of the system. From the results an optimal result is a lighter plant in terms of mass can produce the same power for a lower LCOE, while satisfying the constraints.",
}
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