IEEE 1698 : 2009

Table of Contents

1. Overview
    1.1 Scope
    1.2 Purpose
2. Definitions, acronyms, and abbreviations
    2.1 Definitions
    2.2 Acronyms and abbreviations
3. Braking model components
    3.1 General
    3.2 Maximum entry speed (A)
    3.3 Entry point (B)
    3.4 Distance traveled during reaction time (C)
    3.5 Runaway acceleration (D)
    3.6 Propulsion removal (E)
    3.7 Dead time (coast) (F)
    3.8 Brake build-up (G)
    3.9 Guaranteed braking rate (H, I)
    3.10 Vehicle overhang (J)
4. Application of the braking model
    4.1 General
    4.2 Maximum entry speed
    4.3 Entry point
    4.4 Distance traveled during reaction time
    4.5 Runaway acceleration
    4.6 Power to brake transition
    4.7 Guaranteed braking rate
    4.8 Vehicle overhang
5. Stopping distance compensation
    5.1 General
    5.2 Compensation for grade
    5.3 Compensation for curvature
    5.4 Compensation for train resistance
    5.5 Miscellaneous
6. Speed reducing
Annex A (informative) - Bibliography
Annex B (informative) - Use of train performance calculator
        (TPC)
Annex C (informative) - Practical examples of power removal,
        dead time (coast) and brake applications
Annex D (informative) - Empirical determination of minimum
        brake rate (H)
Annex E (informative) - Samples of the application of the
        Guide for the Calculation of Braking Distances

Abstract

Gives methods and assumptions used in calculating the braking distances of rail transit vehicles. The methods encompass automatic train protection and signal system operation, propulsion and brake system operation, environmental conditions, operator interfaces, tolerances, and failure modes.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Institute of Electrical & Electronics Engineers
Pages
ISBN