Vibration Control of Tall Buildings Using Electricity Generating Tuned Mass Dampers

使用发电调谐质量阻尼器控制高层建筑的振动

• 批准号: 1529380
• 负责人: Lei Zuo
• 金额: $ 19.48万
• 依托单位: Virginia Polytechnic Institute and State University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2014
• 资助国家: 美国
• 起止时间: 2014-12-27 至 2015-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1529380&HistoricalAwards=false
• 关键词: Vibration; Control; Tall; Buildings; Using

The objective of the research is to develop a structural control approach to effectively mitigate the wind-induced vibrations of large structures like high-rise buildings and at the same time efficiently harvest energy at the utility scale. Tall buildings and slender towers, being susceptible to dynamic wind load effects, can experience large vibrations. Currently, to reduce these vibrations in a building, a popular approach is to utilize a large mass at the top as a tuned mass damper which absorbs some energy in its own motion and dissipates the rest as wasted heat in a damper. In this project, a unique approach will be utilized to provide enhanced structural response suppression by converting the dissipated vibration energy into electricity by using a series of optimally configured electricity-generating tuned mass dampers. To optimize the performance of the dampers in energy harvesting and structural control, the project will conduct a comprehensive study of the dynamics and energy analysis of structures with tuned mass dampers, will design efficient electromagnetic energy transducers for harvesting and connecting to the building's or structure's power grid, and will develop a complete semi-active self-powered vibration control system. The project will formulate new modeling and simulation approaches to analyze the integrated dynamics of the electrical, tuned mass damper and structural systems exposed to wind loads. Deliverables include the development of an experimentally demonstrated innovative framework for dual-function vibration control and energy harvesting, including the hardware required for energy harvesting and grid connection as well as the control algorithms required to operate the tuned mass dampers. The research is multi-disciplinary as it blends concepts of structural, mechanical, power system, and electrical engineering for designing an optimal system for controlling structures to enhance their safety and reliability and, for energy harvesting to enhance sustainability in structural designs. The project results will be integrated in the newly launched Civil Engineering, Energy Technologies, and Mechatronics programs at Stony Brook University through course development, involvement of undergraduate students in project research, advanced training of graduate students, and summer internship out-reach activities for high-school students.

该研究的目的是开发一种结构控制方法，以有效地减轻大型建筑物（例如高层建筑物）和同时在实用程序尺度上有效收获能量的大型结构的振动。高大的建筑物和细长的塔楼，容易受到动态风负荷影响，可能会经历大型振动。目前，为了减少建筑物中的这些振动，一种流行的方法是用作调谐的质量阻尼器在顶部使用大质量，从而在自身运动中吸收一些能量，并随着浪费的热量在阻尼器中消散其余的能量。 在这个项目中，将使用一种独特的方法来通过使用一系列最佳配置的电力产生的调谐质量阻尼器将消散的振动能量转换为电力来提供增强的结构响应抑制。为了优化阻尼器在能量收集和结构控制方面的性能，该项目将对使用调谐质量减震器的结构的动力学和能量分析进行全面研究，将设计有效的电磁能传感器，以收获并连接到建筑物或结构的功率网格，并将开发出一个完整的半主动性自我自我启动的振动控制系统。该项目将制定新的建模和仿真方法，以分析暴露于风负载的电气，调谐质量阻尼器和结构系统的集成动力学。 可交付成果包括开发一个实验性展示的用于双功能振动控制和能量收集的创新框架，包括能源收集和网格连接所需的硬件，以及操作调谐的质量减损所需的控制算法。 这项研究是多学科的，因为它融合了结构，机械，电力系统和电气工程的概念，用于设计一个最佳系统，用于控制结构以增强其安全性和可靠性，并为增强结构设计中的可持续性而进行能源收获。该项目的结果将通过课程发展，本科生参与项目研究，研究生的高级培训以及针对高学科学生的暑期实习活动，将新成立的土木工程技术，能源技术和机电学计划纳入新的土木工程技术和机电一体化计划。