Passive Control System : Its Performance Limitations and Unified Design Methodology

本研究计划的目标是：研究各种被动控制系统的性能限制，考虑到控制设备以及框架所造成的限制，并提出统一的设计方法来评估/设计基于简化的响应预测方法的系统。为了实现这些目标，对器件和系统进行了仔细的动态实验，并利用实验结果创建了详细和简化的器件分析模型，这些模型用于制定和评估统一的设计方法。研究内容包括：变形相关型：等效线性化方法的建立与验证，钢板剪切型阻尼器的低周疲劳特性试验，摩擦型阻尼器的试验与分析，反应衰减规律的评价，具有变形相关型装置的单层和多层建筑的性能评价和设计方法。 ...更多信息 位置相关（线性）类型：丙烯酸聚合物装置的测试和分析，大变形下聚合物装置的断裂预测规则和实验验证，具有丙烯酸聚合物装置的单层和多层建筑的性能评估和设计方法。（非线性）类型：异丁烯和其他聚合物装置的测试和分析，硅油基非线性粘滞阻尼器的测试和分析，带减压机构的油阻尼器的分析，具有各种非线性速度依赖型阻尼器的单层和多层建筑的性能评估和设计方法。粘弹塑性阻尼器的试验与分析，具有粘弹塑性阻尼器的单层和多层建筑物的性能评估和设计方法。其他被动控制系统的开发：采用螺栓连接的框架系统的发展，采用步进柱和阻尼器的被动控制系统，阻尼器在大跨度钢空间框架以及住宅木结构被动控制中的新应用。少

The objectives of this research program are ; to investigate performance limitations of various passive control systems considering the restraints posed by the control devices as well as frames, and ; to proposed the unified design methodology to evaluate/design the systems based on simplified response prediction method. In order to fulfill the objectives, careful dynamic experiments on the devices and systems were conducted, and the results utilized to create both detailed and simplified device analysis models, which were used to formulate and evaluate the unified design methodology. The study items are summarized below:Deformation-Dependent Type : Formulation and validation of equivalent linearization technique, Tests of low-cycle fatigue characteristics of steel shear panel dampers, Tests and analyses of friction dampers, Evaluation of response reduction rule, Performance evaluation and design methods for single- and multi-story buildings having deformation-dependent type devices.Ve … More locity-Dependent (Linear) Type : Tests and analyses of acrylic polymer devices, Fracture prediction rules and experimental validations of the polymer devices subjected to large deformation, Performance evaluation and design methods for single- and multi-story buildings having the acrylic polymer devices.Velocity-Dependent (Nonlinear) Type : Tests and analyses of Isobutylene and other polymer devices, Tests and analyses of silicon oil based nonlinear viscous dampers, Analysis of oil damper having relief mechanism, Performance evaluation and design methods for single- and multi-story buildings having various nonlinear velocity-dependent dampers.Mixed-Dependency Type : Tests and analyses of Visco-Elasto-Plastic dampers, Performance evaluation and design methods for single- and multi-story buildings having Visco-Elasto-Plastic dampers.Development of Other Passive Control Systems : Development of frame systems using bolted connections, Passive control system with stepping columns and dampers, New application of dampers for passive control of large span steel space frames as well as residential timber structures. Less