spot and runway departure advisor (sarda) · 2014-07-17 · 2 runway queue spots topography of...
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Spot and Runway Departure Advisor (SARDA)
Yoon JungNASA Ames Research CenterSeptember 16, 2013
https://ntrs.nasa.gov/search.jsp?R=20140009123 2020-06-17T18:31:05+00:00Z
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2
Runway Queue
Spots
Topography of Airport and Surface Management
17C
)
17C (Arrival
)
17R (Departure)
Surface traffic management complicated by:• Uncertainties• Lack of common situational awareness and coordination• First‐come, first served operations
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• 8 major airports – over $2B of excess fuel consumption over 2010 – 2030
• JFK – 15,000 hours of taxi delays per year• BOS – 6,570 hours of taxi taxi delays per year
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Intelligent Scheduling is the Key to Efficient Surface Management
• Optimizes at a system level by minimizing overall delay• Plans at a detailed trajectory level for aircraft movement (gate, ramp, taxiways, and runways)
• Uses a fast algorithm suited to real‐time operations• Accounts for departures and arrivals• Connects the airport tower, en route facility, and the airlines
• Adaptable to other airports with different configurations
3
SARDA is the NASA’s approach for solving this problem.
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SARDA Concept
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FAA/Airport
StrategicDeparture Planning
Tower
Surface Traffic Management
Ramp
Gate push‐backManagement
Aircraft
SARDA
•Runway sequence & time
•Spot release•Taxi route•Gate push‐back
Data Exchange
• Reduce taxi delay• Reduce fuel consumption and emissions/noise• Increase predictability
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SARDA Scheduler Methodology
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Ramp Management
System
Push‐back Time
Predictor
Push‐back Time
Calculator
Runway Time
Predictor
Runway Scheduler
Spot Time Calculator
• Push-back times (scheduled/ready/actual)
• Airline constraints (e.g., priority)• Target spot times
Tower (FAA)
Ramp (Airlines)
Data Exchange
Spot ReleaseAdvisory
Runway SequenceAdvisory
Push‐backAdvisory
Stage1 Stage2
Stage3
Handles uncertainties by frequent updates and freezing sequence for spot release and takeoffs/crossings9/16/13
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Recent Results
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SARDA HITL Simulation
• Two major simulations for DFW (2010, 2012)
• DFW experienced controllers
• Data collected on performance and controllers workload
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Surface map display
SARDA advisories
Controller Workstation
Controller Workstation
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Taxiing Delay for Departures (Actual taxi time – Unimpeded Taxi Time)
• Observed reduction in taxiing delay statistically significant• Reduction in mean as well as variance• Reduction in variability and increase in predictability
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SARDA
w/o SARDA
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Overall Delay(Actual Takeoff Time – Scheduled Takeoff Time)
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• SARDA resulted in statistically significant reduction in overall delay (p ~ 0.02)
• Overall system delay reduced by an average of 1 minute per aircraft
SARDA w/o SARDA
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Departure Taxi Fuel Consumption
• Observed reduction in fuel consumption: 23% average reduction in medium traffic and 33% average reduction in heavy
• SARDA reduces variability in fuel consumption
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SARDAw/o SARDA
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SARDA for CLT Ramp Operations
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Charlotte Airport Field Testing (2015)
Source: US Airways
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Charlotte Airport
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Ramp Sector Controller Workstation (Illustration Purpose Only)
Electronic Flight Strips (EFS)
(Touch screen)9/16/13 13
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US Airways‐NASA Collaboration• Goal ‐ To develop and test a prototype DST for US Airways CLT ramp controllers for efficiency enhancement
• HITL simulations in three phases:– Phase 1: Building/testing core functions– Phase 2: Benchmark test– Phase 3: Follow‐on tests
• Target dates:– Oct 2013 Completion of first HITL simulation– Aug 2014 Completion of benchmark test– Oct 2014 Completion of system integration at US
Airways ramp tower– Sept 2015 Completion of field tests
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Collaboration with DLR and NLR
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NASA‐DLR Collaboration• NASA’s expertise
– Surface decision support tool (e.g., SARDA)– Fast‐time simulation and human‐in‐the‐loop simulation capabilities– Flight deck based research on taxi conformance and trajectory‐based surface operations
• DLR’s expertise– Research prototype of taxi management (e.g., Taxi Routing of Aircraft: Creation and Controlling
(TRACC))– Arrival/departure management tools (AMAN/DMAN) and coordination
• Collaboration tasks– Compare surface management concepts between DLR and NASA– Develop a common integrated surface concept of operations– Evaluate DLR and NASA surface tools/algorithms in the other’s environment:
• DLR models a US airport for testing TRACC• NASA models a German airport for testing NASA surface algorithm
Ground Controller Advisories by SARDA (Dallas/Ft. Worth Airport)
TRACC (Hamburg): a taxi route of a departureaircraft shown with speed advisories9/16/13 16
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NASA‐NLR Collaboration
• Goal: Integrate NLR’s taxiway movement conflict detection technology with SARDA for a selected US Airport and conduct a HITL at NASA’s FFC.
• NASA technology – SARDA and high‐fidelity HITL simulation
• NLR technology – Virtual Block Control (VBC) and Separation Bubbles (SBT)
• Collaboration tasks– Model a US Airport in NLR’s simulation environment and implement VBC in low visibility condition
– Integrate NLR’s SBT in NASA’s Surface Management System (SMS)
– Conduct HITL simulations at FFC and shadow mode tests
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Questions?
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