Automatic Route Setting According to Train Paths in Anticipated Time Schedule for Near Future
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Transcript of Automatic Route Setting According to Train Paths in Anticipated Time Schedule for Near Future
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Ing. Tomáš Vicherek,Ing. Vlastimil Polach, Ph.D.Research and development
Automatic Route Setting According to Train Paths in Anticipated Time Schedule
for Near Future
AŽD Praha, s.r.o.
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Architecture Now
Interlocking net
GTN ServerGTN Klient
Intranet
GTN
Vital computers
GTN Listen
Commanding computers
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Vital computers
Architecture with ARS Functions
Interlocking net
GTN Server
GTN Výhled
Intranet
Commanding PC GTN
GTN Listen
GTN Klient
Commanding computers
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GTN Výhled
4
Base Simulation
• Immediate train running• Infrastructure states• Automatic train route setting
Mathematical Model of Anticipated Traffic
Computation of conflict-free Anticipated traffic
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Computation of Anticipated Traffic in GTN Výhled
Choosing the tracks Static -> dynamic speed profile Occupation times Conflict detection and solution
Displaying of Anticipated traffic Automatic Train Route Setting
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Marking Algorithm
Static speed profile
Dynamic speed profile
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Running Times
Time of beginning / end of physical occupation of track section
V
s
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Train length
Time for approach section
Occupation time
t
Time for route
formation
Time for clearing
Time for route
release
Journey time of
occupied block
interval
Occupation Times
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Conflict detection
Each train is searching conflict:
Work direction of detection algorithm
of second train
Station
t
s
First detected overlap of
occupation times
First train
Second train
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Each conflict = several solutions (2 – 4) Each solution = new daughter scenario several daughter scenarios, in each:
conflict detection and solution several new scenarios, in each . . .
Tree of scenarios
Solution of Conflicts
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ARS According to Train Path
Interlocking states are mirrored in Base simulation „What is possible in GTN should be possible in
interlocking“
=> Low probability of request rejection by interlocking
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Other Automatic Functions
Route cancelation Time synchronization Anticipated / real
departure insertion Train number
insertion, editing Individual point control Line consent request Locking the closed
level crossing
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Tasks to Solve
Collision access to some platforms Input information
Temporary speed restrictions• different infrastructure models
– IS IM X GTN Výhled
Exceeded loading rate Waiting times, rolling stock circulations
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Interface to Operating Personal
ARS control through JOP X GTN
Possible commands: Editing station / line track Editing dwell / departure time Turning ARS on / off
• train• station• controlled area
Absolute / disposition stop
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ARS Behavior
High traffic intelligence => most of routes set without dispatcher intervention
Warning if route cannot be set Dynamic adaptation to dispatchers
commands on JOP ARS with advance
enough time for route cancelation by dispatcher