Driverless CBTC – Specific Requirements
For CBTC Systems To Overcome
Operation Challenges
Author(s)
M. P. Georgescu
Abstract
Reliable driverless operation requires specific features implemented at system
and subsystem levels of the train control system. Communications-Based Train
Control (CBTC) is now proven as the best choice for driverless systems due to
inherent high levels of safety and reliability with a low life cycle cost.
This paper proposes a systematic approach that may be used to determine the
most efficient way to fulfil the requirements specific to each customer faced with
driverless operation (green field or re-signaling). It also defines “must have”
requirements (functionality) to obtain the desired performance and cost.
The paper also addresses issues related to the operability, maintainability, and
availability of different types of driverless CBTC systems implementations, and
the advantages and disadvantages of each solution.
Keywords: driverless, UTO, DTO, STO, CBTC.
1 Driverless operation with Automated Train Control
Industry members now unanimously recognize that the hierarchy for automated
train control (ATC) systems is defined as Unmanned Train Operation (UTO),
Driverless Train Operation (DTO), and Semi-automated Train Operation (STO)
equivalent to the definitions in IEC 62290-1 (GAO2, GAO3, GAO4). For the
purpose of this paper, both UTO and DTO will be expressed as Driverless
operation. CBTC is defined as: Determination of train location, is to a high
degree of precision, independent of Track Circuits; Continuous, bidirectional,
train to wayside and wayside to train data communications, which can provide
significantly more control and status information than is possible with a track
Keywords
driverless, UTO, DTO, STO, CBTC.
Related Book
Other papers in this volume
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