This report summarizes the major results of research and development for fiscal 2008 at the Railway Technical Research Institute.
We would like to acknowledge the outstanding cooperation of the organizations involved, including JR companies, as well as the research institutes, universities and enterprises that contributed to the achievement of these results.
ISafety/Reliability
- An on-board ATS-X system to check train speeds
- The shape of a snowplow suitable for heavy-snow regions
- An earthquake-resistance evaluation technique for railway mountain tunnels located in shallow ground
- A simple anti-earthquake reinforcement technique for existing foundations using sheet piles
- Causes and preventive measures for fatigue cracks occurring in floor systems of existing steel through girders
- A technique to evaluate train drafts on station platforms
- A group discussion meeting system designed to raise safety consciousness
- SQUID-based detection of white etching layers on train rails
IIEconomy/Efficiency
- A re-adhesion control method to combat locomotive wheel slip in consideration of axle-weight transfer
- Sintered metal contact strips for Shinkansen trains using a new lubricating material
- Equipment to monitor post-earthquake damage levels in RC ramen viaduct pillars
- A non-destructive inspection technique for concrete members using laser excitation
- Anti-wear tongue rails
- Countermeasures against loose sleepers/structure boundary track settlement
- Contact break measurement apparatus using ultraviolet-ray detection
- A support structure aimed at reducing local wear of trolley wires
- Additional functions for an interlocking table creation support system
- An automatic job assignment system for maintenance workers
- An automatic rescheduling draft creation system for freight train locomotives during timetable disturbance
IIIComfort/Convenience
IVHarmonization with the Environment
- A hybrid test electric train using fuel cells and batteries
- A type of vehicle floor sheet based on nanocomposites
- A technique to reduce aerodynamic noise from high-speed pantographs
- A three-dimensional infiltration flow analysis technique to evaluate groundwater flow interruption
- A program to calculate/evaluate digital terrestrial broadcasting reception levels along railways
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