Development of Seismic Testing Techniques with Self-Learning Capabilities

本报告介绍了一项关于发展具有自学能力的地震测试技术的研究。首先，对地震测试技术的发展进行了回顾，以确定目前地震测试技术的局限性。本文综述了两种有希望进一步加强地震研究的测试技术：使用子结构技术的在线测试和实时在线测试。为了实现子结构技术的在线测试，设计了一种新的积分技术，该技术可以实现在线测试而不受子结构技术的数值稳定性约束。开发了一个使用常规测试设备的在线测试系统，并将设计的集成技术纳入系统中。利用该试验系统，对一个设置滞回阻尼器的10层建筑结构进行了地震反应试验。在测试中，一个代表性的滞回阻尼器进行了测试，个别滞回阻尼器建模的帮助下，自学习能力纳入系统中，主框架的结构进行了建模的先验，整个结构进行了分析，在使用的子结构技术。测试结果证明了集成技术和自学习能力的有效性，设计和使用子结构技术的在线测试的整体力量。最后，进行了可行性研究的实时在线测试，其中数字信号处理器用于确保快速的数据创建和传输。

This reports presents a study on the development of seismic testing techniques with selflearning capabilities. First, a review on the development of seismic testing techniques was conducted to identify the limitations overlying the present seismic testing techniques. This review indicates that two of the testing techniques that promise further enhancement of seismic research are the on-line test using the substructuring techniques and the realtime on-line test. To realize the on-line test using the substructuring techniques, a new integration technique was devised, by which the test can be implemented without the constraint of numerical stability associated with substructuring. A on-line test system that uses conventional testing devices was developed, and the integration technique devised was incorporated into the system. Using the test system, a 10 story building structure combined with hysteretic dampers was tested for its earthquake response. In the test, a representative hysteretic damper was tested, individual hysteretic dampers were modeled with the aid of the self-learning capabilities incorporates into the system, the main frame of the structure was modeled a priori, and the entire structure was analyzed in use of the substructuring techniqes. The test results demonstrate the effectiveness of the integration technique and self-learning capabilities devised and the overall power of the on-line test using the substructuring techniques. Finally, a feasibility study was carried out for the real-time on-line test, in which digital signal processors were used for ensuring fast data creation and transfer.