摘要
研究了大跨屋盖结构在风荷载作用下MTMD控制系统的最优性能。首先介绍了MTMD控制系统中TMD弹簧约束条件及其优化目标函数,然后利用基因遗传算法对MTMD控制系统进行了最优化参数分析,分析结果表明优化的MTMD控制系统具有良好的减振性能和较好的鲁棒性。探讨了TMD弹簧约束条件对MTMD最优化结果的影响,结果表明MTMD控制系统将降低其最优减振性能来满足TMD弹簧约束条件。
The optimum properties of MTMD for reducing wind-induced response of large-span roof were studied in the paper. Firstly the constraint conditions of springs used in MTMD system and optimization object function were introduced.Then the optimum parameters of MTMD system were obtained by using the genetic algorithm.The results showed that the optimized MTMD can attenuate the vibration of structure with effectiveness and robustness.Finally,the MTMD system was optimized considering constrain conditions of TMD spring.The results showed that the MTMD system has to reduce its effectiveness to satisfy the requirements of constrains of TMD spring.
出处
《振动工程学报》
EI
CSCD
北大核心
2015年第2期277-284,共8页
Journal of Vibration Engineering
基金
国家自然科学基金面上项目(51278368)
科技部国家重点实验室基金(SLDRCE08-A-03)联合资助项目
