Control Performance Assessment and Design of Optimal Control to Harvest Ocean Energy
Control Performance Assessment and Design of Optimal Control to Harvest Ocean Energy
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DOI：
10.1109/joe.2013.2294386
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发表时间：
2015
影响因子：
4.1
通讯作者：
E. V. Sanchez;R. H. Hansen;M. Kramer
中科院分区：
文献类型：
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作者：
E. V. Sanchez;R. H. Hansen;M. Kramer
存在不同的方法来设计最优控制策略，以利用点吸收器来收获海洋能量。然而，如果考虑动力输出装置（PTO）的效率，则控制范例改变。本文的动机是双重的。第一个目标是开发一个框架，其中包括PTO效率，以确定最佳的控制策略。第二个目标是评估给定PTO效率的任何控制策略的性能。性能评估是基于最优控制策略的可输送电能的上限。作为一个例子，不同的PTO效率被认为是一个给定的点吸收器模型，并广泛的仿真结果显示，每年的电能输送到电网的最优控制策略。相对于最优控制策略，非最优控制策略的性能被评估。
Different approaches exist to design the optimal control strategy to harvest ocean energy with a point absorber. However, the control paradigm changes if the efficiency of the power takeoff (PTO) is taken into account. The motivation of this paper is twofold. The first objective is to develop a framework that includes the PTO efficiency to determine the optimal control strategy. The second objective is to assess the performance of any control strategy given the PTO efficiency. The performance assessment is based on the upper bound of the deliverable electrical energy of the optimal control strategy. As an example, different PTO efficiencies were considered for a given point absorber model, and extensive simulation results show the annual electrical energy delivered to the grid by the optimal control strategy. The performance of a nonoptimal control strategy is assessed with respect to the optimal control strategy.