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Transmission of Ultrasonic Elastic Waves to Assess the Quality of Panel-to-Panel Connections in Satellite Structures

机译:超声波弹性波的传输以评估卫星结构中面板到面板的连接质量

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The intention of the Responsive Space initiative is to develop procedures and technologies necessary to reach the goal of a six-day satellite that entails all steps from ordering to operations. The experimental test method presented in this paper performs a quality assessment of the connections between satellite panels either as an alternative to traditional vibration testing or as a precursor to in-situ monitoring of panel-to-panel connections. This technique, based on the energy of a transmitted wave across the connection, is intended for responsive satellites designed with prefabricated and pretested panels for which traditional vibration testing would be redundant. The energy used to assess the integrity of the connection is in reference to a previously taken baseline. Experiments were conducted on a functional satellite to test, in part, the feasibility of deploying this test method under realistic circumstances. This paper presents those results and an assessment of the test method.
机译:响应空间计划的目的是开发必要的程序和技术,以实现为期六天的卫星目标,其中涉及从订购到运营的所有步骤。本文介绍的实验测试方法可以对卫星面板之间的连接进行质量评估,可以替代传统的振动测试,也可以作为面板到面板连接的现场监控的先驱。该技术基于连接上传输波的能量,旨在用于采用预制板和预测试板设计的响应式卫星,而传统的振动测试将是多余的。用于评估连接完整性的能量是参考先前获取的基准。在功能卫星上进行了试验,以部分测试在实际情况下部署此测试方法的可行性。本文介绍了这些结果,并对测试方法进行了评估。

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