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针对大型工程结构的分散控制方法进行研究,引入完全分散、部分独立分散及部分重叠分散控制的概念,分别以子系统控制效果局部最优及整体最优为目标设计分散控制结构的子系统控制器,并利用基于差分进化的混合粒子群算法对子系统进行优化,综合考虑子系统划分数量、子系统所含层数以及重叠部分所含层数的影响。对9层benchmark模型进行了多工况分散控制设计与数值分析。结果表明,整体最优目标下,采用部分重叠分散控制策略,能获得与集中控制策略接近的控制效果,相对于集中控制,重叠分散控制系统具有更高的可靠性,且不需要更多的控制能量。
Aiming at the decentralized control method of large-scale engineering structure, the concept of completely decentralized, partially decentralized and partially overlapping decentralized control is introduced. The subsystem controller with decentralized control structure is designed based on the local optimality and global optimality respectively. , And the hybrid PSO algorithm based on differential evolution is used to optimize the subsystem, considering the number of sub-systems, the number of layers in the subsystem and the number of layers in the overlapping part. The 9-layer benchmark model was designed and analyzed with decentralized control. The results show that under the overall optimal objective, the partial overlapping decentralized control strategy can achieve the control effect close to the centralized control strategy. Compared with the centralized control, the overlapping decentralized control system has higher reliability and does not require more control energy.