Studies on Subspace-based Modeling and Active Control for Flexible Structures Subjected to Seismic and Wind Disturbances
地震和风扰动柔性结构的子空间建模与主动控制研究
基本信息
- 批准号:16360046
- 负责人:
- 金额:$ 9.86万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (B)
- 财政年份:2004
- 资助国家:日本
- 起止时间:2004 至 2006
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The purpose of this research is threefold : (i) to establish the mathematical model from input and output data for flexible structures such as high-rise buildings subjected to such random disturbances as wind and/or earthquake-induced acceleration, (ii)) to develop the active control algorithm, and (iii) to perform the experiments using scale model of the high-rise building.The modeling of the structure was performed by introducing the subspace-based system identification method that was established by the head investigator for continuous-time stochastic linear systems. As for the control algorithm, the method of functionally assigned control (FAC) was employed which was also developed by the head investigator. The FAC method consists of two controllers one of which acts against the random vibrations due. to wind forces and the other against the earthquake-induced random forces :An experimental model of scale 1/200 was constructed and experiments of the active control were constructed … More based on the mathematical model established by subspace-based identification. The whole method of modeling and control was successfully established.The research has been done as follows:(i) For Fiscal 2004 : The modeling algorithm was established using the input and output data. Established the active. control method and checked by computer simulation works. An experimental model of scale 1/200 for the 50-story building of 200 m high with floor space 40x40 m^2.(ii) For Fiscal 2005 : Constructed the subspace-based identification algorithm including the estimation of the Kalman filter gain matrix. Experiments were conducted using the scale model that was constructed in the former year.(iii) For Fiscal 2006 : The experiments were performed with computer implementation of FAC incorporating with the predictive control. The bi-axial control was realized using the x-and y-axial actuators that were equipped at the top of the model structure. The effectiveness of the control method was verified by experiments. Less
这项研究的目的有三个方面:(i)从输入和输出数据建立柔性结构(如高层建筑)的数学模型,该模型受到风和/或地震引起的加速度等随机干扰,(ii))开发主动控制算法,以及(iii)使用高层建筑缩尺模型进行实验。通过引入子空间-基于连续时间随机线性系统的系统辨识方法。至于控制算法,采用了功能分配控制(FAC)的方法,这也是由首席研究员开发的。FAC方法由两个控制器组成,其中一个控制器作用于随机振动。在1/200比例的实验模型上进行了主动控制实验 ...更多信息 基于子空间辨识建立的数学模型。本研究主要完成以下工作:(i)2004年度:利用输入输出数据,建立了系统的建模算法。建立了主动。并通过计算机仿真进行了验证。1/200比例的实验模型,用于50层、200 m高、占地面积40 x40 m^2的建筑。(ii)2005年度:构建了基于子空间的辨识算法,包括卡尔曼滤波器增益矩阵的估计。利用前一年建造的缩尺模型进行了实验。(iii)对于2006财年:使用计算机实现FAC并结合预测控制进行实验。双轴控制是通过在模型结构的顶部安装x轴和y轴驱动器来实现的。实验验证了该控制方法的有效性。少
项目成果
期刊论文数量(54)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
On the Tuning of User-defined Parameters in Distributed-based 4SID Method for Continuous-time Systems
连续时间系统分布式4SID方法中用户自定义参数的整定
- DOI:
- 发表时间:2006
- 期刊:
- 影响因子:0
- 作者:M.Mizuno;S.Fujikawa;K.Kameyama;A.Ohsumi
- 通讯作者:A.Ohsumi
Motion Parameters Estimation by New Propagation Approach and Time-Frequency Representations
通过新的传播方法和时频表示进行运动参数估计
- DOI:
- 发表时间:2004
- 期刊:
- 影响因子:0
- 作者:I.Djurovic;Sj.Stankovic;A.Ohsumi;H.Ijima
- 通讯作者:H.Ijima
Modeling of Wind Profile Gratifying Given Power and Cross Spectra
满足给定功率和互谱的风廓线建模
- DOI:
- 发表时间:2005
- 期刊:
- 影响因子:0
- 作者:J.Minato;A.Ohsumi
- 通讯作者:A.Ohsumi
Nonlinear Parametric Estimation for Signals in Nonstationary Random Noise via Stationarization and Wigner Distribution
通过平稳化和维格纳分布对非平稳随机噪声中的信号进行非线性参数估计
- DOI:
- 发表时间:2006
- 期刊:
- 影响因子:0
- 作者:H.Ijima;A.Ohsumi;S.Yamaguchi
- 通讯作者:S.Yamaguchi
多層構造物のモードパラメータの部分空間同定法による推定 : 実験による検証
利用子空间辨识法估计多层结构模态参数:实验验证
- DOI:
- 发表时间:2005
- 期刊:
- 影响因子:0
- 作者:澤田健峰;大住晃;亀山建太郎
- 通讯作者:亀山建太郎
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