分数顺序的比例积分导数控制器的最佳设计用于结构振动抑制
Saeed Khodadoost1, Meysam Saraee1, Siamak Talatahari2,3
1Department of Civil Engineering, University of Tabriz, Tabriz, Iran.
Scientific reports
|July 26, 2024
概括
分数顺序比例积分导数 (FOPID) 控制器增强了结构控制. 晶体结构算法 (CryStAl) 有效地优化了这些控制器,以实现建筑物中优异的地震振动抑制.
科学领域:
- 结构工程 结构工程
- 控制系统 控制系统
- 计算智能是一种计算智能.
背景情况:
- 分数顺序比例积分导数 (FOPID) 控制器提供比传统比例积分导数 (PID) 控制器更大的设计灵活性.
- 这种增强的灵活性对于诸如结构工程中的振动抑制等应用至关重要.
- 地震刺激对建筑结构构成重大风险,需要先进的控制策略.
研究的目的:
- 优化FOPID控制器以最大限度地减少地震刺激下的结构反应.
- 评估FOPID控制器设计的十二个成熟优化算法的性能.
- 突出分数计算在结构控制应用中的优势.
主要方法:
- 使用Oustaloup的近似和El Centro地震数据设计了FOPID控制器.
- 使用了12个优化算法,包括晶体结构算法 (CryStAl),来调整FOPID参数.
- 在五个不同的地震场景下模拟了两个多层建筑模型,包括最近的土耳其地震.
- 使用五个指标和弗里德曼测试进行算法比较来评估性能.
主要成果:
- 晶体结构算法 (CryStAl) 在优化FOPID控制器以在两种建筑模型中抑制振动方面表现出卓越的性能.
- 所有测试的FOPID控制器都在减少对地震事件的结构反应方面表现出有效性.
- 在减振方面,CryStAl始终优于其他算法,弗里德曼测试证实了这一点.
结论:
- 通过CryStAl等先进算法优化的FOPID控制器,为建筑物中地震振动抑制提供了高度有效的解决方案.
- 该研究验证了微积分计算在提高结构控制系统性能方面的好处.
- 在地震工程背景下,CryStAl被确定为优化FOPID控制器的领先算法.
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