Simplified dynamic density: A metric for dynamic airspace configuration and NextGen analysis

A. Klein, M. Rodgers, K. Leiden
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引用次数: 27

Abstract

The Next Generation Air Transportation System (NextGen) is expected to bring about major improvements in both airspace design and utilization. One element of NextGen, Dynamic Airspace Configuration (DAC), is proposed as a means to facilitate substantially more efficient airspace capacity management. A new metric or set of metrics is required for analyzing future airspace design concepts like DAC. These metrics are likely to replace the current operational index of workload (i.e., Monitor Alert Parameter, or MAP). The new metric(s) should be able to accommodate various operational concepts and their associated airspace designs. Toward this end, we have developed a multi-component metric, Simplified Dynamic Density (SDD), whose component weightings can be adjusted to the relevant situational characteristics created by various operational concepts. The value of this metric, as evidenced by the current study, is that (a) it can be computed from a single input file containing flight-planned trajectories such as ETMS “FZ” records; (b) in addition to calibration against controller workload in real-time human-in-the-loop simulations, it can be “self-calibrated” using historical data and certain reasonable assumptions on sector workload in today's airspace; and (c) it can be applied successfully to trigger DAC actions, thereby optimizing airspace use. With continued development and use of SDD it should be possible for the research community to better understand NextGen concepts and their impact on the workload of the ATM operational community.
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简化动态密度:动态空域配置和NextGen分析的度量
下一代航空运输系统(NextGen)有望在空域设计和利用方面带来重大改进。NextGen的一个要素——动态空域配置(DAC),被提议作为促进更有效空域容量管理的手段。分析未来空域设计概念(如DAC)需要一个新的度量或一组度量。这些指标可能会取代当前工作负载的操作索引(例如,Monitor Alert Parameter或MAP)。新的度量应该能够适应各种操作概念及其相关的空域设计。为此,我们开发了一种多分量度量,即简化动态密度(SDD),其分量权重可以根据各种作战概念创建的相关态势特征进行调整。正如目前的研究所证明的那样,这个度量的价值是:(a)它可以从包含飞行计划轨迹的单一输入文件中计算,例如ETMS“FZ”记录;(二)除了根据实时人在环模拟中的管制员工作量进行校准外,还可以利用历史数据和对当前空域的扇区工作量的某些合理假设进行“自我校准”;(c)它可以成功地应用于触发DAC行动,从而优化空域使用。随着SDD的持续开发和使用,研究社区应该能够更好地理解NextGen概念及其对ATM操作社区工作负载的影响。
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