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首页> 外文期刊>Earthquake Engineering & Structural Dynamics >ISEE: Internet-based Simulation for Earthquake Engineering-Part Ⅱ: The application protocol approach
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ISEE: Internet-based Simulation for Earthquake Engineering-Part Ⅱ: The application protocol approach

机译：ISEE：基于互联网的地震工程仿真-第二部分：应用协议方法

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摘要

This paper develops new techniques for integrating a number of different structural laboratories together through the Internet in order to jointly conduct a single structural experiment. A computer-networking platform, called Platform for Networked Structural Experiments (PNSE), was developed to achieve this goal. PNSE runs directly on top of the Transmission Control Protocol/Internet Protocol (TCP/IP). It is a multi-client system consisting of a number of client programs, which include one command generation program and a number of facility control programs, connected to a server program via TCP point-to-point connections across the Internet. An associated application protocol, called Networked Structural Experiment Protocol (NSEP), was developed to work with the PNSE. In addition to communication rules, the NSEP defines general experimental information, significant laboratory events, commands and signals, as well as obligated behaviours of all PNSE programs. Both domestic and transnational pseudo-dynamic (PSD) tests were performed to verify the validity and efficiency of the PNSE. Test results showed that on the PNSE: signals were correctly transmitted; significant laboratory events were promptly reflected; and data transmission was remarkably efficient, with the round-trip time (RTT) between Taiwan and the United States less than 0.1701 s. The characteristic of environment independency was also demonstrated through the successful collaboration of different facility control programs running on different operating systems.
机译：本文研究了通过互联网将许多不同的结构实验室整合在一起的新技术，以便共同进行单个结构实验。为了实现这一目标，开发了一种称为网络结构实验平台（PNSE）的计算机网络平台。 PNSE直接在传输控制协议/ Internet协议（TCP / IP）之上运行。它是一个多客户端系统，由多个客户端程序组成，其中包括一个命令生成程序和多个设备控制程序，这些程序通过Internet上的TCP点对点连接与服务器程序连接。已开发了一种关联的应用程序协议，称为网络结构实验协议（NSEP），可以与PNSE一起使用。除了交流规则外，NSEP还定义了常规实验信息，重要的实验室事件，命令和信号以及所有PNSE程序的强制性行为。进行了国内和跨国的伪动态（PSD）测试，以验证PNSE的有效性和效率。测试结果表明，在PNSE上：信号正确传输；及时反映出重要的实验室事件；台湾和美国之间的往返时间（RTT）小于0.1701 s，数据传输效率非常高。通过在不同操作系统上运行的不同设施控制程序的成功协作，也证明了环境独立性的特征。

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