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Analysis of Accelerometer Data from a Woven Inflatable Creep Burst Test.
| 题名： | Analysis of Accelerometer Data from a Woven Inflatable Creep Burst Test. |
| 作者： | James, G. H.; Grygier, M.; Selig, M. M. |
| 关键词： | Inflatable space structures, Creep tests, Burst tests, Frequencies, Impulses, Time dependence, Dynamic structural analysis, Photogrammetry, Test chambers, Data reduction, Straps, Time series analysis, Pressure measurement, Time measurement, Modal response, End plates, Standard deviation, Woven composites, Spacecraft modules, Accelerometers, Piezoelectric gages, Tensile tests, Data acquisition |
| 摘要： | Accelerometers were used to montor an inflatable test article during a creep test to failure. The test article experienced impulse events that were classified based on the response of the sensors and their time-dependent manifestation. These impulse events required specialized techniques to process the structural dynamics data. However, certain phenomena were defined as worthy of additional study. An assessment of one phenomena (a frequency near 1000Hz) showed a time dependent frequency and an amplitude that increased significantly near the end of the test. Hence, these observations are expected to drive future understanding of and utility in inflatable space structures. |
| 总页数： | James, G. H.; Grygier, M.; Selig, M. M. |
| 报告类型： | 科技报告 |
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