Design and optimization of an hybrid sailboat by a power modeling approach

In this paper an original modeling approach is proposed. This approach is based on power exchanges and highlights the most influential parameters of a complex system, without having to choose particular technological solutions. This is thus a particularly well suited solution for a first and global design or for the validation of a concept. This approach has been efficiently used for the optimal sizing and control of a hybrid sailboat which comprises a thermal engine and two electric motors in serie configuration associated with sails. The control strategy is organized in two levels: a global one, which defines power objectives, and a local one, which maximizes the efficiency, while guaranteeing the security of each component.

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