Application of Fuzzy Control with Market-Based Control Strategy to Structures
Application of Fuzzy Control with Market-Based Control Strategy to Structures
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DOI：
10.1155/2013/132010
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发表时间：
2013-08
影响因子：
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通讯作者：
Gang Li;Hongnan Li;Qi-feng Liu
中科院分区：
文献类型：
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作者：
Gang Li;Hongnan Li;Qi-feng Liu
市场化控制作为一种控制策略，是在类比结构域中的控制力能源和自由市场的供给需求的基础上发展起来的。执行器的控制力最优问题转化为市场配置资源的最优问题。由于最优价格解决方案的供需关系模型和迭代过程是必要的，并且对于土木工程师来说相对难以理解和执行，因此在基于市场的控制框架中提出模糊逻辑方法，以获得与基于市场的控制方法相对应的等效系统。通过分析地震作用下采用MBC策略的控制器的单自由度系统，建立了等效的模糊逻辑规则。结果表明，模糊逻辑方法也能像MBC方法一样有效地降低位移和加速度响应，并且明显节省了模糊逻辑方法所消耗的计算时间。
The market-based control as a control strategy is developed based on an analogy between the control force-energy source in the structural area and the supply demand in the free market. The optimal problem of control force from an actuator is transformed to that of the allocation resource in the market. Since the supply-demand relation model and iteration procedure for the optimal price solution are necessary and relatively hard to understand and perform for civil engineers, the fuzzy logical method is proposed in the framework of the market-based control to acquire an equivalent system corresponding to the market-based control method. An equivalent fuzzy logical rule is established through analyzing a single-degree-of-freedom system with the controller using the MBC strategy under earthquakes. The results show that the fuzzy logical method is able to also reduce the displacement and acceleration responses effectively similar to the MBC method, and the consumed computational time for the fuzzy logical method is obviously saved.