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Conflict Probability Estimation for Free Flight
| 题名： | Conflict Probability Estimation for Free Flight |
| 作者： | Paielli, Russell A.; Erzberger, Heinz |
| 关键词： | flic；light；prediction；matio；stim；prob；flig；covar；transform；distributed |
| 摘要： | The safety and efficiency of free flight will benefit from automated conflict prediction and resolution advisories. Conflict prediction is based on trajectory prediction and is less certain the farther in advance the prediction, however. An estimate is therefore needed of the probability that a conflict will occur, given a pair of predicted trajectories and their levels of uncertainty. A method is developed in this paper to estimate that conflict probability. The trajectory prediction errors are modeled as normally distributed, and the two error covariances for an aircraft pair are combined into a single equivalent covariance of the relative position. A coordinate transformation is then used to derive an analytical solution. Numerical examples and Monte Carlo validation are presented. |
| 报告类型： | 科技报告 |
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