摘要
研究了粘弹性阻尼器在结构减震控制中的参数优化问题。从性价比的角度提出了优化目标函数,建立了阻尼器的参数优化模型。以一单层框架为例,分别选用非线性规划中的复形法和通过调用MATLAB程序优化工具箱中Fmincon函数(简称Fmincon函数法)两种方法,编制了相应的优化分析程序,对粘弹性阻尼器在单层框架结构减震控制中的参数优化进行了分析。研究结果表明,两种优化算法都达到了预期的目标,实现了目标函数最小化。
This paper presents parametric optimization of viscoelastic dampers in vibration control of structures. Based on the ratio between structural performance and construction cost, an objective function for optimization is first set up, and a parametric optimization model for viscoelastic dampers is developed. Then, the complex method of the nonlinear programming and the method of Fmincon function in MATLAB toolbox are used to complete the parametric optimization of a single-story frame equipped with viscoelastic dampers. The computed results show that the goals of anticipated parametric optimization are achieved by utilizing both algorithms, and minimization of the objective function is realized.
出处
《世界地震工程》
CSCD
北大核心
2005年第3期126-130,共5页
World Earthquake Engineering
基金
北京市自然科学基金项目(8042008)
关键词
粘弹性阻尼器
参数优化
减震控制
viscoelastic damper
parametric optimization
vibration control
