Comparison of Trajectory Synthesis Algorithms for Monitoring Final Approach Compression

Robinson, John E.; Diallo, Ousmane; Reisman, Ronald

doi:10.2514/6.2011-6900

Cited by 5 publications

(5 citation statements)

References 3 publications

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“…Traffic samples were required to have uninterrupted TRACON track data between 0600 and 2200 local time. These same data were used in two previous studies where data statistics are described in more detail [13][14].…”

Section: Scope Of Studymentioning

confidence: 95%

Benefits of precision scheduling and spacing for arrival operations

Zelinski

2012

2012 IEEE/AIAA 31st Digital Avionics Systems Conference (DASC)

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Advances in arrival scheduling and controller aids for spacing have potential benefits of reducing aircraft delays and increasing airport arrival throughput. Schedulers use fixed arrival paths to estimate aircraft time-to-fly and assign them arrival slots based on the required separation plus a buffer. Concepts that reduce arrival time uncertainty can take advantage of advanced scheduling with smaller spacing buffers. These concepts have been successfully demonstrated with a handful of near to mid-term traffic demand scenarios and technologies using spacing buffers as low as 0.3 nmi. The analysis published here characterizes the observed arrival spacing behavior of 29 runways belonging to 15 airports within 8 of the busiest terminal areas across the United States for 32-60 days worth of traffic. The typical observed instrument arrival buffers ranging from 0.5 to 1.5 nmi would equate to roughly 10-20% increase in runway arrival capacity if buffers were reduced to 0.3 nmi. The effect of fixed arrival routing on terminal area flight time was also studied. Most runways studied had significant path stretch delay. This work estimates that 1-2 min of this delay could be reduced with precision scheduling and most of the remainder could be absorbed by speed control.

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Section: Scope Of Studymentioning

confidence: 95%

Benefits of precision scheduling and spacing for arrival operations

Zelinski

2012

2012 IEEE/AIAA 31st Digital Avionics Systems Conference (DASC)

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“…Firstly, the final separation buffers are decreasing with time because of compression along the final approach course. Such compression refers to the reduction of separation between two successive aircraft as a result of the leading aircraft slowing ahead of the trailing aircraft ( 27 ). Secondly, the final separation buffers under high pressures on RWY02 are smaller than those on RWY01.…”

Section: Case Studiesmentioning

confidence: 99%

Data-Driven Analysis of Final Separation Between Successive Landing Aircraft

Zhang

Zhou

et al. 2022

Transportation Research Record: Journal of the Transportation R

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In recent years, with the development of air traffic in China, airspace resources cannot keep up with the growth of traffic demand. Therefore, enhancement of runway capacity by reducing wake turbulence separation has become a research hotspot in the air traffic management field. As there are gaps between theory and practice, many scholars are doing practical operation-based evaluations, focusing on the final separations (intervals) between two successive aircraft. However, few studies have considered the impact of different controllers and the evolution of separations over time. This paper is dedicated to analyzing the final separations between leading and trailing aircraft based on the aircraft trajectories. This study carries out the final separation analysis from static and dynamic perspectives, considering the final separations under different traffic pressures, by different controllers, and in the different segregated and mixed operations. Guangzhou Baiyun International Airport (ZGGG) is taken as an experimental case. The results indicate that the final separation buffer decreases over time. Moreover, under the same high traffic pressures, the final separations could be used to compare the effectiveness of different controllers.

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“…These same data were used in two previous studies, in which data statistics are described in more detail [13,14].…”

Section: A Scope Of Studymentioning

confidence: 99%

Benefits of Precision Scheduling and Spacing for Arrival Operations

Zelinski

2013

Journal of Aircraft

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Advances in arrival scheduling and controller aids for spacing have the potential benefits of reducing aircraft delays and increasing airport arrival throughput. Schedulers use fixed arrival paths to estimate aircraft's time-to-fly and assign them arrival slots based on the required separation with a buffer. Concepts that reduce arrival time uncertainty can take advantage of advanced scheduling with smaller spacing buffers. These concepts have been successfully demonstrated with a handful of near-to midterm traffic demand scenarios and technologies using spacing buffers as low as 0.3 n mile. The analysis published here characterizes the observed arrival spacing behavior of 29 runways at 15 airports in eight of the busiest terminal areas across the United States during 32-60 days worth of traffic. The typical observed instrument arrival buffers ranging from 0.5 to 1.5 n mile would equate to roughly a 10-20% increase in runway arrival capacity if buffers were reduced to 0.3 n mile. The effect of fixed arrival routing on terminal area flight time was also studied. Most runways studied had a significant path stretch delay. This work estimates that 1-2 min of this delay could be reduced with precision scheduling, and most of the remaining delay could be absorbed by speed control. Nomenclature b= spacing buffer, n mile c a = analytical separation conformance (ratio of flights) c e = empirical separation conformance (ratio of flights) d = path stretch delay, s l = length of a track or route segment, n mile n r = number of separations less than the required separation n s = number of separations less than or equal to the target separation p ij = flight track segment q ij = fixed route segment r = required separation, n mile s = target separation, n mile t = time to travel a track or route segment, s x = safety margin, n mile/n mile σ = separation standard deviation, n mile

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Comparison of Trajectory Synthesis Algorithms for Monitoring Final Approach Compression

Cited by 5 publications

References 3 publications

Benefits of precision scheduling and spacing for arrival operations

Benefits of precision scheduling and spacing for arrival operations

Data-Driven Analysis of Final Separation Between Successive Landing Aircraft

Benefits of Precision Scheduling and Spacing for Arrival Operations

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