By B. Ning
This specified quantity on complicated educate keep an eye on structures (ATCS) contains chosen papers from the hugely profitable COMPRAIL convention sequence on railways and different transit structures. complex educate keep watch over structures are enjoying an enormous position in enhancing the potency and safeguard of educate operation, appearing as their "brains and nerves." Computer-based ATCS's make railways extra trustworthy and more secure. commonly, those structures include 4 components: the crucial regulate process; the station keep watch over structures and wayside platforms; the on-board regulate platforms; and the verbal exchange community, together with cellular verbal exchange. From the viewpoint of the full lifecycle, an ATCS comprises layout and improvement; re-design for a unique line program; simulation verification and checking out; and protection overview of the process and subsystems. those thoughts are identified to those that are conversant in normal ATCS similar to ETCS, CTCS for major line railways and CBTC for transit platforms.
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Extra info for Advanced Train Control Systems
ATC functions, such as train occupancy detection, train pursuit, and ATC telegram generation, and interlocking functions, such as an open check of setting route, signal lights control, and switch motors control, are processed in the same CPU. (2) TCS (Track Communication Server) It is triple channel and 2 out of 3 system. It has the function to distribute the ATC telegram (it functions as an occupied track detection telegram) which is Advanced Train Control Systems 23 received from the logic controller, and send out to a track circuit via a transmitter/receiver unit.
High performance with respect to message updating and handover constraints. Wayside-to-train messages can be addressed to all the trains or to a set of trains on the line. 5 s) to ensure maximum performance of the CBTC system. • Robust intrusion protection to ensure security. As the identity of the communication is determined, there is no need for standardization at the air gap. No interface at the air gap is a guarantee of protection against intentional or accidental intrusion. • Proven coexistence with ISM band users: no perturbation from WIFI users, no perturbation to WIFI users.
The remaining twenty-three time slots are utilized as control-slots, so maximum number of trains controlled by a channel is twenty-three. 1 Train identification The flow how the ground equipment identifies the train location by the digital train radio is described in the following. (1) The ground equipment transmits the poling-information at every 1350 ms period to communicate the trains at the first time that the on-board device is turned on. (2) The on-board device that has not been assigned time slots received the poling-information and answers the train’s location using poling-slots.
Advanced Train Control Systems by B. Ning