IEEE 1698 2009

$47.13

IEEE Guide for the Calculation of Braking Distances for Rail Transit Vehicles

Published By	Publication Date	Number of Pages
IEEE	2009	41

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Description

New IEEE Standard – Active. The design of automatic train protection and signal systems for fixed guideway (e.g. rail) transit systems requires knowledge of the braking distance of the vehicles utilized on the systems. Methods and assumptions used in calculating the braking distances of rail transit vehicles are provided in this guide. The methods encompass automatic train protection and signal system operation, propulsion and brake system operation, environmental conditions, operator interfaces, tolerances, and failure modes.

PDF Catalog

PDF Pages	PDF Title
1	IEEE Std 1698™-2009, Front cover
3	Title page
6	Introduction Notice to users Laws and regulations Copyrights Updating of IEEE documents Errata
7	Interpretations Patents Participants
9	Contents
11	IMPORTANT NOTICE 1. Overview 1.1 Scope 1.2 Purpose
12	2. Definitions, acronyms, and abbreviations 2.1 Definitions
13	2.2 Acronyms and abbreviations 3. Braking model components 3.1 General
14	3.2 Maximum entry speed (A) 3.3 Entry point (B) 3.4 Distance traveled during reaction time (C) 3.4.1 Equipment reaction times 3.4.2 Operator reaction time
15	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) 3.9.1 Minimum braking rate (H) 3.9.2 Braking rate with safety factors (I) 3.10 Vehicle overhang (J)
16	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
17	4.4.1 Equipment reaction time 4.4.2 Operator reaction time 4.5 Runaway acceleration 4.6 Power to brake transition
18	4.6.1 Propulsion removal 4.6.2 Dead time (coast) 4.6.3 Brake build-up 4.7 Guaranteed braking rate 4.7.1 Use and Nomenclature
19	4.7.2 Minimum braking rate (H) 4.7.3 Braking rate with safety factors (I)
20	4.7.4 Other/additional brake systems
21	4.8 Vehicle overhang 5. Stopping distance compensation 5.1 General
22	5.2 Compensation for grade
23	5.3 Compensation for curvature 5.4 Compensation for train resistance
24	5.5 Miscellaneous
25	6. Speed reducing
26	Annex A (informative)Bibliography
27	Annex B (informative)Use of train performance caluculator (TPC)
28	Annex C (informative)Practical examples of power removal, dead time (coast), and brake applications
31	Annex D (informative)Empirical determination of minimum brake rate (H)
33	Annex E (informative)Samples of the application of the Guide for the Calculation of Braking Distances E.1 Sample passenger railroad application
35	E.2 Sample rail transit application with runaway acceleration
36	E.3 Sample rail transit application without runaway acceleration
37	E.4 Sample rail transit profile application
39	E.5 Sample rail transit trip-stop based signaling application
40	E.6 Sample communications-based train control (CBTC) profile