By F. Richard Yu
With fast inhabitants explosion, bettering rail transit velocity and potential is strongly fascinating around the globe. Communication-based educate keep watch over (CBTC) is an automatic teach keep an eye on procedure utilizing excessive means bidirectional train–ground communications to make sure the secure operation of rail autos. This e-book offers the most recent advances in CBTC examine. The contributed chapters from best specialists within the box disguise assorted facets of modelling, research, layout, trying out, administration, deployment, and optimization of CBTC systems.
Advances in Communications-Based teach keep an eye on Systems starts with the historical past and evolution of teach signaling/train keep an eye on platforms. It introduces the most beneficial properties and structure of CBTC platforms and describes present demanding situations and profitable implementations worldwide. next contributed chapters talk about such key learn parts as
- Nondestructive trying out options that may be hired to examine rails and fastening parts
- New instant channel modelling thoughts for underground tunnels and viaducts
- Advanced instant communique structures to enhance CBTC conversation availability
- Schemes to combine educate keep an eye on and train-ground communications by way of modelling the keep watch over procedure of a bunch of trains in CBTC as a networked regulate system
- Use of cognitive keep an eye on to enhance teach regulate functionality, contemplating either train–ground communique and educate control
The publication comprises many aiding illustrations and tables besides a helpful set of references on the finish of every bankruptcy. With this publication, researchers and practitioners might be well-equipped to improve the study and improvement during this vital field.
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Extra info for Advances in Communications-Based Train Control Systems
The product team is also in charge of verifying that the software runs properly on the target equipment. 2 CBTC Supplier Internal Factory Testing Factory testing starts with the first version of software even before the design is finalized and the final database is produced. Prior to the factory acceptance test (FAT) witnessed by the transit agency, the CBTC supplier runs all the tests, completes reports that describe all known anomalies, and provides them to the transit agency. Based on the report, the transit agency may decide to hold or to postpone the witness tests.
Tests on the network may include the following: Testing Communications-Based Train Control ◾ ◾ ◾ ◾ ◾ ◾ ◾ ◾ 31 Checking of the configuration of each switch Verification of connectivity Verification of data transfer Verification of NMS capability Failure scenario of one node to test reconfiguration of the network Latency tests Throughput tests During the DCS factory tests on the network, the same tests are performed but on a simplified version of the system with far fewer switches. The factory configuration is supposed to be representative of the on-site network.
The FACI’s goal is to verify that production hardware complies with design configuration, drawings, and software design. It provides a means to verify that all documentation is ready for mass production. It also includes the evaluations of maintainability and accessibility. This activity typically takes place at the point of assembly after completion of environmental qualification tests of the prototypes. 8 Factory Tests Verification and validation, as described in the International Council on Systems Engineering handbook , should be done as much as possible in the factory.
Advances in Communications-Based Train Control Systems by F. Richard Yu