vatger/aman-sys
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

calculate the PTA based on linear functions for the complete arrival route

Browse Source
This commit is contained in:
Sven Czarnian
2021-11-12 19:40:19 +01:00
parent 6f36d8f569
commit 921919488f
1 changed files with 21 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
aman/sys/aco/Colony.py
View File

@@ -113,3 +113,24 @@ class Colony:
for i in range(0, len(bestSequence[1])): for i in range(0, len(bestSequence[1])):
self.Result.append(self.Configuration.Inbounds[bestSequence[1][i]]) self.Result.append(self.Configuration.Inbounds[bestSequence[1][i]])
Colony.associateInbound(rwyManager, self.Result[-1], self.Configuration.EarliestArrivalTime, True) Colony.associateInbound(rwyManager, self.Result[-1], self.Configuration.EarliestArrivalTime, True)
# the idea behind the TTL/TTG per waypoint is that the TTL and TTG needs to be achieved in the
# first 2/3 of the estimated trackmiles and assign it with a linear function to the waypoints
# calculate the TTL/TTG for all the waypoints (TTG is positive)
reqTimeDelta = abs((self.Result[-1].InitialArrivalTime - self.Result[-1].PlannedArrivalTime).total_seconds())
gainTime = self.Result[-1].InitialArrivalTime >= self.Result[-1].PlannedArrivalTime
m = -3 * reqTimeDelta / (2 * self.Result[-1].PlannedTrackmiles)
timeDelta = 0.0
for waypoint in self.Result[-1].PlannedArrivalRoute:
waypointDT = m * waypoint.Trackmiles + reqTimeDelta
timeDelta += waypointDT
if timeDelta > reqTimeDelta:
waypointDT -= timeDelta - reqTimeDelta
waypointDT = timedelta(seconds = (waypointDT if False == gainTime else -1.0 * waypointDT))
waypoint.PTA = waypoint.ETA + waypointDT
# reached the PTA at the waypoint
if timeDelta >= reqTimeDelta:
break