By B. Ning
This distinct quantity on complex teach regulate platforms (ATCS) includes chosen papers from the hugely profitable COMPRAIL convention sequence on railways and different transit platforms. complex teach keep watch over platforms are taking part in an enormous function in bettering the potency and security of educate operation, appearing as their "brains and nerves." Computer-based ATCS's make railways extra trustworthy and more secure. quite often, those structures encompass 4 components: the imperative regulate procedure; the station regulate platforms and wayside structures; the on-board keep an eye on structures; and the communique community, together with cellular communique. From the perspective of the entire lifecycle, an ATCS contains layout and improvement; re-design for a unique line program; simulation verification and checking out; and protection evaluate of the method and subsystems. those suggestions are recognized to those that are accustomed to standard ATCS equivalent to ETCS, CTCS for major line railways and CBTC for transit platforms.
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It is possible to interact with the simulation at any time in order to generate events or create failures, thereby increasing the relevance of the test performed. 5 The migration strategy The major challenge when re-signaling lines in revenue service lies in the validation of the system – in the specific case of Line 1, the OCC and the CBTC onboard equipment – without impairing the quality of service offered to passengers during daily operation and compromising safety. A fundamental feature of this solution is therefore the ability to be operated in “shadow mode”, whereby the system receives and sends all necessary information as if under CBTC control, but without any actual outputs being activated.
Resultantly, the functions are classified into three such as signal lamp control, Advanced Train Control Systems 25 general purpose low level current drive, and general purpose high level current drive. All types of signal light became to be driven by the three kinds of signal light control board. 2 Control software and data For the ease of the software and data restore work with the SAINT system said above, signal light control boards are loaded comparatively the fixed control software and data those have not frequent restore cases.
And of course, the hardware reliability of a station system will be improved surely by the abolition of the interface hardware between an ATC system and an interlocking system. 2 Utilization of last developments (1) Conventional ATC system and interlocking system include many electromagnetic relays. For example, every control circuits in station field for signal lights and/or switch motors are composed of specific wired-logic circuit of electro-magnetic relays. The influence of a failure in such a circuit is very undesirable for the availability of a railway line because of the single channel circuit architecture.
Advanced Train Control Systems by B. Ning