Positive Train Control (PTC) System Solution
System Introduction
Communication based Distributed Signalling System (CDSS) is a Positive Train Control (PTC) system developed by HollySys. It integrates subsystems including Centralized Traffic Control, Control Command Signalling, Communication and Information, and control train operation in safe, reliable, accurate and effective ways.
PTC system can realize data transmission between control center, on-board and trackside equipment based on wireless communication, and realize train positioning by utilizing GPS. The track circuit/axle counter/balise are not mandatory on trackside, the control center can uniformly control signalling components distributively placed on the wayside. The system is featured by wider application, less equipment quantity, easy maintenance, flexible and efficient engineering configuration.
System Composition Diagram
Features
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Less Equipment-
Satellite positioning is adopted, and track circuit/axle counter, balise and other trackside equipment can be removed. Interlocking hosts are centrally arranged, and object controllers are distributed beside the rails. The Interlocking hosts and object controllers communicate wirelessly, thus saving a large number of optical and electric cables.
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Moving Block Technology-
The system adopts "Moving Block" technology based on wireless communication, which optimize the headway.
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Remote Maintenance-
By using the remote mobile maintenance terminal, the maintainer can remotely apply for the operation of work zone, check the signal equipment and train running status, fill in the maintenance log, and other functions.
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Customer Value
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Widely UsedBe applicable to different types of freight and passenger lines.
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Flexibility
Offer flexible and fast engineering configuration based on different requirements.
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High Safety
Meet the requirements of prevention of train collision, protection of rail workers against train impact, and prevention of trains from entering allowable restricted area defined by user.
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Cost Saving
Distributively place signalling components on the trackside and achieve centralized control, which can reduce investment, energy consumption and maintenance work.
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