摘要
电磁分支电路阻尼是一种轻量化振动控制手段。经典参数优化方法通常只适用于确定性参数模型,当系统参数发生变化时,其抑振有效性可能会大大降低。考虑被控结构存在刚度有界不确定情况下,对串联型电阻-电感-电容电磁分支电路阻尼器进行最坏情况下的优化设计。采用一种改进型等峰优化设计代数方法,可以简洁地推导出分支电路电学参数最优值的近似解析表达式。最后,通过与经典等峰设计方法进行比较,验证了改进型参数优化设计在控制参数不确定性系统振幅上的有效性。
Electromagnetic shunt damping is a lightweight approach of vibration control.The classic parameter op⁃timization method is usually applicable to deterministic parameter models,possibly losing its effectiveness while the system parameters change.The article considers the worst-case optimization design of a series resistor inductor ca⁃pacitor electromagnetic shunt damping in the presence of uncertain-but-bounded stiffness in the controlled struc⁃ture.An improved method of equal-peak design is herein adopted,with which one could concisely deduct the ap⁃proximate analytical expressions of optimal parameters of the electromagnetic shunt.Finally,the effectiveness of im⁃proved optimal design in controlling vibration of uncertain system is validated by comparing with that of classic tun⁃ing strategy.
作者
周少艺
黄俊刚
陈华茵
欧子君
ZHOU Shaoyi;HUANG Jungang;CHEN Huayin;OU Zijun(Guangzhou Railway Polytechnic,Guangzhou,Guangdong Province,511300 China)
出处
《科技资讯》
2024年第20期132-136,共5页
Science & Technology Information
基金
广东省教育厅普通高校青年创新人才项目(项目编号:2023KQNCX215)
广州市教育局高校青年人才科研项目(项目编号:202234953)
广州市科技计划项目(项目编号:2023A04J1018)。
作者简介
周少艺(1995-),男,博士,讲师,研究方向为振动控制与能量采集。
