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Experimental Photogrammetric Techniques Used on Five Full-Scale Aircraft Crash Tests.
| 题名： | Experimental Photogrammetric Techniques Used on Five Full-Scale Aircraft Crash Tests. |
| 作者： | Littell, J. D. |
| 关键词： | Crashworthiness, Crashes, Photogrammetry, Emergency locator transmitters, Landing loads, Airframes, Aircraft survivability, Aircraft reliability, Destructive tests, Cessna 172 aircraft, Research facilities, Rotary wing aircraft, Cameras, Data acquisition, Aircraft safety |
| 摘要： | Between 2013 and 2015, full-scale crash tests were conducted on five aircraft at the Landing and Impact Research Facility (LandIR) at NASA Langley Research Center (LaRC). Two tests were conducted on CH-46E airframes as part of the Transport Rotorcraft Airframe Crash Testbed (TRACT) project, and three tests were conduced on Cessna 172 aircraft as part of the Emergency Locator Transmitter Survivability and Reliability (ELTSAR) project. Each test served to evaluate a variety of crashworthy systems including: seats, occupants, restraints, composite energy absorbing structures, and Emergency Locator Transmitters. As part of each test, the aircraft were outfitted with a variety of internal and external cameras that were focused on unique aspects of the crash event. A subset of three camera was solely used in the acquisition of photogrammetric test data. Examples of this data range from simple two-dimensional marker tracking for the determination of aircraft impact conditions to entire full-scale airframe deformation to markerless tracking of Anthropomorphic Test Devices (ATDs, a.k.a. crash test dummies) during the crash event. This report describes and discusses the techniques used and implications resulting from the photogrammetric data acquired from each of the five tests. |
| 总页数： | Littell, J. D. |
| 报告类型： | 科技报告 |
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