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Train control system

Train control system

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Control systems have been put into practical use in all the fields of the industrial world. In a conventional system, a central system controls devices directly. This is called a central control system. However, this system configuration has a limitation to meet variety of needs and situations that change from hour to hour. Therefore, autonomous decentralized techniques have come to utilization and have been put into practical use in various fields. Factory automation, public facility management, building facility management, steel production management, power equipment management, etc. are the examples. Train control systems have also been utilizing autonomous decentralized techniques. As a result, these systems have contributed to improve not only safety but also service, such as transport capacity increases and ride comfort improvement. In this chapter, the background of realization of these systems, transition of technology, and assurance techniques are described.

Chapter Contents:

  • Abstract
  • 3.1 Introduction
  • 3.2 Safety and stability of a railway operation
  • 3.3 Development of train control system
  • 3.3.1 Outline of development history
  • 3.3.2 Automatic train control (ATC) system
  • 3.3.2.1 Analog ATC
  • 3.3.2.2 Digital ATC (D-ATC)
  • 3.3.3 Radio-based train control system
  • 3.4 ADS technology
  • 3.4.1 Functions of analog ATC system and definition of testing
  • 3.4.2 Functions of the D-ATC system and definition of testing
  • 3.5 Assurance technology
  • 3.5.1 Modeling of system replacement
  • 3.5.2 Testing assurance
  • 3.5.2.1 Definition of testing assurance
  • 3.5.2.2 Number of tests
  • 3.5.3 Application of assurance technology to D-ATC system
  • 3.5.3.1 Continuation of train operation during replacement of systems
  • 3.5.3.2 Smooth change of systems
  • 3.5.3.3 Coexistence with heterogeneous systems
  • 3.5.3.4 Securing safety and maintainability
  • 3.6 A chain of a concept, technology, and a system
  • References

Inspec keywords: railways; decentralised control

Other keywords: autonomous decentralized techniques; train control system; central control system

Subjects: Railway industry; Rail-traffic system control; Multivariable control systems

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