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use the optimization thresholds to calculate the TTG

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Sven Czarnian
2021-12-15 09:28:59 +01:00
parent 72959a8e26
commit 5242fe0d87
5 changed files with 21 additions and 14 deletions
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19
aman/sys/aco/Node.py
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@@ -5,6 +5,7 @@ import sys
from datetime import datetime, timedelta
from aman.config.Airport import Airport
from aman.config.AirportSequencing import AirportSequencing
from aman.formats.SctEseFormat import SctEseFormat
from aman.sys.WeatherModel import WeatherModel
@@ -150,7 +151,7 @@ class Node:
return timedelta(seconds = flightTimeSeconds), trackmiles, arrivalRoute, timedelta(seconds = flightTimeOnStarSeconds)
def __init__(self, inbound : Inbound, referenceTime : datetime, weatherModel : WeatherModel,
navData : SctEseFormat, sequencingConfig : AirportSequencing):
airportConfig : Airport, sequencingConfig : AirportSequencing):
self.PredictedDistanceToIAF = inbound.Report.distanceToIAF
self.PredictedCoordinate = [ inbound.CurrentPosition.latitude, inbound.CurrentPosition.longitude ]
self.PredictionTime = referenceTime
@@ -171,7 +172,7 @@ class Node:
prediction = tempWaypoint.project(course, distance)
# calculate the bearing between the current position and the IAF
star = Node.findArrivalRoute(inbound.Report.initialApproachFix, sequencingConfig.ActiveArrivalRunways[0].Runway, navData)
star = Node.findArrivalRoute(inbound.Report.initialApproachFix, sequencingConfig.ActiveArrivalRunways[0].Runway, airportConfig.GngData)
# calculate the distance based on the flown distance and update the predicted distance
if None != star:
@@ -187,7 +188,7 @@ class Node:
# calculate the timings for the different arrival runways
for identifier in sequencingConfig.ActiveArrivalRunways:
star = Node.findArrivalRoute(self.Inbound.Report.initialApproachFix, identifier.Runway, navData)
star = Node.findArrivalRoute(self.Inbound.Report.initialApproachFix, identifier.Runway, airportConfig.GngData)
if None != star:
flightTime, trackmiles, arrivalRoute, flightTimeOnStar = self.arrivalEstimation(identifier.Runway, star, weatherModel)
@@ -203,8 +204,16 @@ class Node:
timeUntilIAF = timedelta(seconds = 0)
# the best TTL is the longest path with the slowest speed
# TODO use configurations to define the maximum time gain
ttg = timedelta(seconds = timeUntilIAF.total_seconds() * 0.2)
ttgMax = 60
ttgRatio = 0.05
if star.Name in airportConfig.OptimizationParameters:
ttgMax = airportConfig.OptimizationParameters[star.Name][0]
ttgRatio = airportConfig.OptimizationParameters[star.Name][1]
ttg = timedelta(seconds = timeUntilIAF.total_seconds() * ttgRatio)
if (ttg.total_seconds() > ttgMax):
ttg = timedelta(seconds = ttgMax)
print(self.Inbound.Callsign + ': ' + str(ttg))
ttl = timedelta(seconds = decreasedSpeedFlighttime - flightTime.total_seconds())
ita = self.Inbound.ReportTime + flightTime
earliest = ita - ttg