By F. Richard Yu
With quick inhabitants explosion, bettering rail transit velocity and capability is strongly fascinating around the globe. Communication-based teach keep watch over (CBTC) is an automatic educate keep an eye on process utilizing excessive ability bidirectional train–ground communications to make sure the secure operation of rail cars. This booklet provides the most recent advances in CBTC examine. The contributed chapters from best specialists within the box conceal varied facets of modelling, research, layout, trying out, administration, deployment, and optimization of CBTC systems.
Advances in Communications-Based teach keep watch over Systems starts with the historical past and evolution of teach signaling/train regulate structures. It introduces the most positive aspects and structure of CBTC platforms and describes present demanding situations and profitable implementations all over the world. next contributed chapters talk about such key study components as
- Nondestructive trying out recommendations that may be hired to examine rails and fastening parts
- New instant channel modelling recommendations for underground tunnels and viaducts
- Advanced instant verbal exchange platforms to enhance CBTC conversation availability
- Schemes to combine teach keep an eye on and train-ground communications through modelling the keep watch over procedure of a gaggle of trains in CBTC as a networked keep watch over system
- Use of cognitive regulate to enhance teach regulate functionality, contemplating either train–ground conversation and teach control
The publication contains many helping illustrations and tables besides a helpful set of references on the finish of every bankruptcy. With this booklet, researchers and practitioners should be well-equipped to enhance the examine and improvement during this very important field.
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Extra info for Advances in Communications-Based Train Control Systems
Express tracks can also be used as test tracks during nonpeak hours. Another option is to use a test track outside the property of the transit agency. With this option, track access is much easier than on the final site, the tests can be performed during day time, and the test track can be long and include switches, grades, and any other configurations. However, travel is required for performing the tests and transportation of rolling stock is necessary. Another issue with remote test track is that the design and installation investment for the test track is not going to be used in the final system.
All hardwire inputs and outputs are exercised using a special CC software. Communication with other electronic systems on board the trains is also verified. This prototype testing usually lasts a few weeks. 3 Static and Dynamic Post Installation Check Out Tests Installation tests can be considered CC Post Installation Check Out (PICO) tests where the hardware equipment and the installation are verified. This activity is performed for each and every train using a special CC software dedicated to test along with the first version of the real CC software.
This test is repeated for each frequency. When performing this coverage test, it is preferable that the train runs at a low speed. This test also verifies that the transition between access points is performed seamlessly. The worst-case configuration for radio coverage may be identified and tested. It corresponds to a specific location where access points can be far apart and there may be one or two masking trains between the train under test and the near access points. Test at maximum operating speeds is also performed.