System Safety Evaluation Method for Superconducting Maglev System

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  • 超電導磁気浮上式鉄道の安全性事前評価手法
  • チョウデンドウ ジキ フジョウシキ テツドウ ノ アンゼンセイ ジゼン ヒョウ

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Abstract

This paper treats of the system safety evaluation method applied to the superconducting maglev system at its design stage. The maglev system is a large-scale system under development and required to achieve high safety as a public transportation system. Taking account of these features, the maglev system should be evaluated at its design stage and their results should be considered into the design. The authors propose a new system safety evaluation method, referring to the conventional standards, criteria and methods for railways, aviation, nuclear power plants and so on. This method consists of two ways: evaluation of the compliance with the system safety design criteria and evaluation in hazard reports based on analysis of scenario of accidents assumed. With these two ways, the maglev system is evaluated thoroughly from viewpoints of not only inherent safety function, but also personnel's operation and countermeasures to natural disasters. As a result, the method contributes much to eliminating various kinds of hazardous elements causing serious accidents; collision, derailment, fire and fatality.

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