Technical Reports

Safety of High Speed Ground Transportation Systems: Technical Descriptions of Advanced Braking Systems for High Speed Ground Transportation

  • 01
  • Apr
  • 1996
AUTHOR: David P. Wagner, Donald R. Ahlbeck, Jonathan F. Luedeke, Scott D. Cook, Mark A. Deilman
SUBJECT: Braking Systems
KEYWORDS: High-Speed, Rail, Magnetic Leviation, Braking Equipment, Fault-tolerant, Fail-safe, FMEA, safety, failure modes
ABSTRACT: The objective of this study is to develop qualitative and quantitative information on the various braking strategies used in high-speed ground transportation systems in support of the Federal Railroad Administration (FRA). The approach employed in this study is composed of two steps: first, build a technical understanding of the various braking strategies, and second, perform a safety analysis for each system. The systems considered in this study include seven operating high-speed rail transportation systems and three existing magnetic levitation systems. The principal technique used in the system safety analysis is Failure Modes and Effects Analysis (FMEA), an inductive approach to identifying system failure modes that depends on a thorough understanding of the system design and operation. Key elements derived from the system safety analysis are the fault-tolerant and fail-safe characteristics of the braking systems. This project memorandum contains proprietary information in both the technical descriptions and the FMEAs which does not appear in the companion volume, "Safety of High Speed Ground Transportation Systems: Safety of Advanced Braking Concepts for High Speed Ground Transportation Systems" (DOT-VNTSC-FRA-95-14; DOT/FRA/ORD-95/09.1). As such, distribution is limited as noted on the cover.
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