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An infrared detector based on single wall nanotube (SWNT) film suspended on double-cantilever is proposed and fabricated. The operation principle of the proposed infrared detector is a simultaneous measurement of electrical resistance change induced by thermal radiation on the SWNT film and mechanical stress induced from bimetal-type double-cantilever. Measured temperature coefficient of resistance...
To enhance the control performance of tilting ride comfort, the predictive tilting control techniques has been developed based on GPS database, accelerometer and gyroscope on board train.
In this paper a configuration of a load evaluation device for the tilting actuator using hydraulic power is presented, which makes it possible to measure the force acting on the tilting actuator. It is possible to measure only current using the conventional electro-mechanical actuator when the bogie is in the tilting process. This makes impossible to measure the force acting on the tilting actuator...
The development of tilting trains in Korea started in 2001 as research & development project. A 6-car prototype test tilting train, called the Tilting Train eX-press (TTX), was built in December 2006 and experimental trials began in 2007. TTX has distributed power, is designed to run at 200 km/h, and has a planned service speed of 180 km/h. Running time for tilting train is one of the most important...
Korean-style tilting train (TTX), dubbed "Hanbit 200" which was developed by Korea Railroad Research Institute (KRRI) has been in trial operation on Honam, Jonngang, Choongbuk and Taebaek line. In this study, the voltage supplied to TTX in trial operation was monitored and analyzed to identify the voltage condition supplied by the existing railroad. To directly measure the voltage supplied...
Tilting trains are now an established feature of railway operations throughout the world. For intercity traffic, tilt provides operators with increasing speeds, and therefore enhanced competitiveness, on existing routes where insufficient traffic or a lack of funds precludes the construction of a dedicated new high-speed railway. Appling the tilting train, we can expect 30% of speed up on existing...
Speeding up of the conventional railways adopted in Japan and Europe requires less investment than laying a new infrastructure dedicated to fast railway systems. In this way, tilting trains that can negotiate curves at high speed will be introduced along with partial improvement of the related infrastructure. Tilting trains are currently in operation in 13 countries around the world. With the advances...
Presently, as the feasibility study shows that trans-Korea railway and trans-continental railway are advantageous, interest in high-speed railway system is increasing. Because railway vehicle is environment-friendly and safe compared with airplane and ship, its market-sharing increases gradually. TTX (Tilting Train eXpress) has been developed by KRRI(Korea Railroad Research Institute) for last 5 years...
Tilting trains are now an established feature of railway operations throughout the world. For intercity traffic, tilt provides operators with increasing speeds, and therefore enhanced competitiveness, on existing routes where insufficient traffic or a lack of funds precludes the construction of a dedicated new high-speed railway. Appling the tilting train, we can expect 30% of speed up on existing...
An international standardization of data communication is necessary at both the train and vehicle levels. Trains with varying composition during daily service-such as metros, or suburban and international trains, need a standard form of data communication for train control, diagnostics, and passenger information. Such communication should configure itself when vehicles are coupled on the track. At...
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