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Equations for determining aircraft motions for accident data
| 题名： | Equations for determining aircraft motions for accident data |
| 作者： | Bach, R. E., Jr.; Wingrove, R. C. |
| 关键词： | motion；ident；cide；measurement；data；mini；ccid；craft；ermi；formulation |
| 摘要： | Procedures for determining a comprehensive accident scenario from a limited data set are reported. The analysis techniques accept and process data from either an Air Traffic Control radar tracking system or a foil flight data recorder. Local meteorological information at the time of the accident and aircraft performance data are also utilized. Equations for the desired aircraft motions and forces are given in terms of elements of the measurement set and certain of their time derivatives. The principal assumption made is that aircraft side force and side-slip angle are negligible. An estimation procedure is outlined for use with each data source. For the foil case, a discussion of exploiting measurement redundancy is given. Since either formulation requires estimates of measurement time derivatives, an algorithm for least squares smoothing is provided. |
| 报告类型： | 科技报告 |
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