主动转动惯量驱动控制系统对多类型灾害源激励悬吊结构摆振响应控制研究  

ARID control for suspended structure’s swing vibration induced by multi-hazard source excitations

作　　者：张春巍[1] 王昊 ZHANG Chunwei;WANG Hao(School of Civil Engineering,Qingdao University of Technology,Qingdao 266033,China)

机构地区：[1]青岛理工大学土木工程学院

出　　处：《振动与冲击》2019年第23期25-32,共8页Journal of Vibration and Shock

基　　金：国家自然科学基金(51678322)

摘　　要：传统的结构防灾设计中,通常将各种灾害对结构的作用分开考虑,较少考虑多类型灾害的作用。针对悬吊结构摆振运动振动控制问题,调谐质量阻尼器(Tuned Mass Damper,TMD)、主动质量阻尼器(Active Mass Damper,AMD)均无法进行有效的控制,另一方面调谐转动惯量阻尼器(Tuned Rotary Inertia Damper,TRID)存在对调谐参数等十分敏感、鲁棒性差、无法在多灾害作用下起到有效控制作用的问题,提出了主动转动惯量驱动控制系统(Active Rotary Inertia Driver,ARID)的概念,设计了小型比例模型振动台试验,运用Simulink进行了数值模拟分析。建立了附加ARID系统的悬吊结构平面摆振运动方程,并对运动方程进行了线性化处理,对系统控制算法进行了设计;用单轴振动台进行了正弦激励输入下结构自由衰减振动、正弦激励输入下结构强迫振动、正弦扫频激励、模拟地震动输入、模拟海洋波浪等5种类型荷载作用下,结构小型比例模型试验,利用Simulink进行了模拟多灾害输入下体系运动方程求解,并与试验结果进行了对比分析。结果表明,主动转动惯量驱动控制系统可以较好地实现悬吊结构摆振控制,且在不同类型单一灾害源激励作用下均表现出稳定性好、鲁棒性好的控制性能,从机理上证明了该系统对多类型灾害源激励结构摆振响应控制应用的可行性。In traditional structural disaster prevention design,effects of various disasters on a structure are usually considered separately,and effects of multi-hazard are less considered.Aiming at swing vibration control problems of suspension structures,tuned mass damper(TMD)and active mass damper(AMD)can’t effectively perform swing vibration control.On the other side,the tuned rotary inertia damper(TRID)has problems of being sensitive to tuning parameters,very poor robustness and difficult to control swing vibration induced by multi-hazard source.Here,the active rotary inertia driver(ARID)system was proposed,the small type scaled model’s shaking-table test was designed,and the numerical analysis was performed using the software Simulink.Firstly,the dynamic equation for in-plane swing vibration of a suspended structure attached with an ARID system was established and linearized.Its control algorithm was designed based on LQR.Secondly,under action of five loadings including free vibration,sinusoidal one,sinusoidal sweep one,simulated earthquake one and simulated ocean wave one,structural small type scaled model tests were performed using a single-axis shaking table.Finally,Simulink was used to solve the dynamic equation under simulated multi-hazard source excitation.The numerical results were compared with those of shaking table tests.The results showed that the ARID system can be used to better realize structural swing vibration control;it exihibits good stability and robustness under multi-hazard source excitation;its feasibility is verified by shaking table tests.

关 键 词：摆振控制 主动控制 主动转动惯量驱动控制系统 多类型灾害源 振动台试验 

分 类 号：TU313.3[建筑科学—结构工程] TB123[理学—工程力学]