safety system for track maintenance vehicle operation of...
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Safety System
for Track Maintenance Vehicle Operation
of Shinkansenof Shinkansen
Atsushi SASAKIAtsushi SASAKIAtsushi SASAKIAtsushi SASAKISafety Research Laboratory
Research and Development Center East Japan Railway Company
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JR East Shinkansen Network
Joetsu Shinkansen((((303.6km))))
Akita Shinkansen
((((127.3km))))
Yamagata Shinkansen
((((148.6km))))
山形山形山形山形山形山形山形山形
(Mini Shinkansen)*
(Mini Shinkansen)*
ShinjoShinjo
Yamagata
AkitaAkita
Extension to Toyama
Morioka
Extension to
Shin-Aomori
To Shin-Hakodate
Shin-Aomori
Hachinohe
Safety Research LaboratorySafety Research LaboratorySafety Research LaboratorySafety Research Laboratory 2
新潟Tohoku
Shinkansen
((((631.9km))))
山形山形山形山形山形山形山形山形
NowMini Shinkansen
1052.9km + 275.9kmRoute lengthRoute lengthRoute lengthRoute length
Mini Shinkansen1052.9km + 275.9kmRoute lengthRoute lengthRoute lengthRoute length
Mini Shinkansen 1194.4km + 275.9kmRoute lengthRoute lengthRoute lengthRoute length
Mini Shinkansen 1194.4km + 275.9kmRoute lengthRoute lengthRoute lengthRoute lengthFuture
Niigata
Yamagata
Omiya
TokyoTokyo
Extension to Toyama
(Hokuriku Shinkansen)
To Toyama Joetsu
Sendai
Fukushima
Ueno
NaganoNaganoTakasaki
*Mini Shinkansen: Conventional lines converted for through Shinkansen service
Nagano Shinkansen((((117.4km))))
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Railway track maintenance
Extensive maintenance equipment.
Reasons:
Separation train operation and rail maintenance.
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Trains run up to 275 km/h.
Total prevention of collisions.
Goal:
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Track Schedule
Maintenance Service HoursTrain Operation Hours
6:00 0:00 6:0012:00
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Transition
Inspection Vehicle Operation Hours
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Inspection Vehicle Functions
- the end of maintenance service hours, and
Inspection vehicles verify:
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- whether any obstacles were left on train lines.
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Conventional Inspection Vehicle
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Reasons for improvement
(1) Fewer maintenance service hours.
(2) Fewer personnel willing to work at night.
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(3) Rising costs.
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New inspection car specifications
- Detection of obstacles on tracks
- Automated operation
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1995 ~ 1997 Rework for practical application
1991 ~ 1995 Basic development
Time frame :
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New inspection Vehicle
Safety Research LaboratorySafety Research LaboratorySafety Research LaboratorySafety Research Laboratory 9
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Key Technologies
- Built-in automated control system
- Obstacle detection by computer image
processing
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- Built-in automated control system
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Obstacle Detection System
Searchlight
Obstacle detection system
Rail tracking system Track data
Camera mount
CCD camera
OHP-11
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Special Searchlight
Computer image processing
for curved trackExample of obstacle detection
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Architecture of On-Board System
Searchlight
Obstacle detection system
Rail tracking unit
Track dataSpeed data
Camera mount
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Monitoring unit Automatic operation system Master controller
Drive unitKilometer
post reader
Brake control unit
Track dataSpeed data
Automatic ●●●● ○○○○Manual
Brake control unit
Drive unit
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Additional features
Swivel-type control center Remote Control
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Swivel-type control center
Emergency procedure panel
Remote Control
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0:00
Train Operation Hours
Maintenance Work in Shinkansen
Maintenance Base Wait to start “maintenance service hours”.
Start “maintenance service hours”.
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Inspection Vehicle6:00 Inspection Vehicle Operation Hours
Maintenance Service Hours
Train Operation Hours
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0:00
Train Operation Hours
Safety System by Radio
Maintenance Service Hours
Handy Terminals
of COSMOSMaintenance Service Hours
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Track Possession Area
6:00
Inspection Vehicle Operation Hours
Train Operation Hours
Trailing-Point MovementCollision
Inspection VehicleDetection of thing left behind
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Morioka
Hachinohe
Background of Development
Collision of maintenance vehicle in Shinkansen
1. August 6, 1993 : Tokaido Shinkansen in JR Tokai
The operation of Shinkansen stopped at half a day.
Safety Research LaboratorySafety Research LaboratorySafety Research LaboratorySafety Research Laboratory 16
Shin-Osaka
Hakata
Shin-Yatsushiro
Kagoshima-Chuo
Tokyo
Nagano
Niigata
2. Septembe 3, 1998 : Sanyo Shinkansen in JR West
3 persons were injured
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a
b
Position sensing
Data communication
ab
Data calculation
Approaching
The Function of Safety System for Track Maintenance Vehicle
Collision prevention function
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Warning
ab
Braking
Approaching without braking
automatically
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A track
maintenance
vehicle
transceiverGPS
antenna
A track
maintenance
vehicle
Position Detection System for Maintenance Vehicle
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torque
converter
・It corrects the
position error every
1 kilometer
・It placed
every 1
kilometer
gear
Speed sensorkilometer post
detectorkilometer post
non-contact
sensors
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Operation Image (Route setting〜Route restoring)
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移動限界基 地
進路未設定 76km980m 0km/h
0km039m
0:14
上 越
Radio base Programmed
Route Control
HT
Maintenance work management system
設定完了
0km663m
南保基~上り2番
setComple
-tion
Turning of
switch
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Operation Image (Route setting〜Route restoring)
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移動限界本 線
77km115m 15km/h
0km528m
0:20
上 越
南保基~上り2番
Radio base
HT
restoreCompl
e-tion
77 km127 m
0 km 516 m
復位位置進入 77km320m 0km/h
0km323m
南保基~上り2番復位完了進路未設定
Programmed
Route Control
Maintenance work management system
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Example of Cab Monitor Display
The yard track layout
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Lives position of
track maintenance vehicle Setting route section (line)
(approved moving area)
Setting route section(index)or information massage
Kilometer position of track
maintenance vehicle
Speed
Limit object Remainder distance
Organization information
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Japan
Tokyo
Hachinohe
Niigata
Sendai
Morioka
CONCLUSION
Joetsu Shinkansen
Tohoku Shinkansen
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East Japan Railway
Tokyo
Nagano
Takasaki
Nagano Shinkansen
New Type of Transceiver under development
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Thank you very much for kind attention.Thank you very much for kind attention.Thank you very much for kind attention.Thank you very much for kind attention.
Safety Research LaboratorySafety Research LaboratorySafety Research LaboratorySafety Research Laboratory 23
Thank you very much for kind attention.Thank you very much for kind attention.Thank you very much for kind attention.Thank you very much for kind attention.
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Shinkansen safety
2. Elimination of level crossings.
1. Automatic Train Control (ATC).
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3. Highly reliable equipment.
4. Optimal maintenance system.
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Track Possession Area
0:00
Train Operation Hours
Safety System by Radio
Maintenance Work in Shinkansen
Handy Terminals
of COSMOS
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Inspection Vehicle6:00
Inspection Vehicle Operation Hours
Maintenance Service Hours
Train Operation Hours
Trailing-Point Movement PreventionCollision Avoidance
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In the Station
Portable Receiver
Transceiver of Work Area
Ground coil Positional correction
Collision avoidance Trailing-point movement prevention
Vehicle Transceiver
Outline of Safety System for Track Maintenance Vehicle
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Displayed on the cab monitor (track layout, lives position, route information) Improvement of man-machine interface
・・・・Calculation distance + Correction of Ground coil = Position Detection
・・・・Data communication by radio (speed, position and direction)Data communication by radio (speed, position and direction)Data communication by radio (speed, position and direction)Data communication by radio (speed, position and direction)
・・・・Collision avoidance function
・・・・Prevention function of going into Work Area
・・・・Approach warning function for track engineer
・・・・Import routing information from Handy Terminal
・・・・Database including turnout positions
・・・・Recognition of lives position and setting routeProvide warning and braking by calculating
relative distance and relative speed ・・・・Automatically stop before a non-approved area
・・・・Advancement prevention function outside approved area
・・・・Trailing-point movement prevention function
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Detecting Obstacles 400 m ahead
Detection System for Obstacle on the Shinkansen track
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