Design considerations for shortcut path-based time recovery


== Abstract ==

This paper introduces the concept of using tactical shortcuts to improve arrival precision and thereby increase throughput. This concept schedules flights to a longer path for which a shortcut path option is available for time recovery when speed is restricted. Shortcut design parameter sensitivity for schedule-based and spacing-based use policies is explored for single vs. multiple shortcut designs and shortcut availability. Simulation results show schedule-based shortcuts can reduce scheduling buffer size by 35-55% (increasing maximum throughput) or reduce separation violation probability 15-20% (reducing controller workload). Spacing-based shortcuts can reduce scheduling buffer size or separation violation probability by an additional 20% or 5% respectively. Additional studies were conducted to evaluate throughput and delay performance of each shortcut use policy for a wide range of demand rates. Spacing-based shortcuts performed the best. A use policy that combined the schedule-based shortcut method and scheduling without shortcuts outperformed using either of these methods individually. The potential benefits of using tactical shortcuts warrants future study in its application to multi-point scheduling, performance-based operations, geometric design, and decision support tools.decision support tools.


== Original document ==

The different versions of the original document can be found in:

* [http://www.aviationsystemsdivision.arc.nasa.gov/publications/2013/DASC2013_Zelinski.pdf http://www.aviationsystemsdivision.arc.nasa.gov/publications/2013/DASC2013_Zelinski.pdf] under the license https://creativecommons.org/share-your-work/public-domain/cc0/

* [https://zenodo.org/record/1267347 https://zenodo.org/record/1267347]

* [https://zenodo.org/record/1267347/files/article.pdf https://zenodo.org/record/1267347/files/article.pdf]

* [http://xplorestaging.ieee.org/ielx7/6699102/6712497/06712524.pdf?arnumber=6712524 http://xplorestaging.ieee.org/ielx7/6699102/6712497/06712524.pdf?arnumber=6712524],
: [http://dx.doi.org/10.1109/dasc.2013.6712524 http://dx.doi.org/10.1109/dasc.2013.6712524] under the license cc0

* [http://xplorestaging.ieee.org/ielx7/6699102/6712497/06719601.pdf?arnumber=6719601 http://xplorestaging.ieee.org/ielx7/6699102/6712497/06719601.pdf?arnumber=6719601],
: [http://dx.doi.org/10.1109/dasc.2013.6719601 http://dx.doi.org/10.1109/dasc.2013.6719601]

* [https://www.aviationsystems.arc.nasa.gov/publications/2013/DASC2013_Zelinski.pdf https://www.aviationsystems.arc.nasa.gov/publications/2013/DASC2013_Zelinski.pdf],
: [https://www.aviationsystemsdivision.arc.nasa.gov/publications/2013/DASC2013_Zelinski.pdf https://www.aviationsystemsdivision.arc.nasa.gov/publications/2013/DASC2013_Zelinski.pdf],
: [http://www.aviationsystems.arc.nasa.gov/publications/2013/DASC2013_Zelinski.pdf http://www.aviationsystems.arc.nasa.gov/publications/2013/DASC2013_Zelinski.pdf],
: [https://academic.microsoft.com/#/detail/1978264111 https://academic.microsoft.com/#/detail/1978264111]





DOIS: 10.1109/dasc.2013.6712524 10.1109/dasc.2013.6719601