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BS ISO 26684:2015

BS ISO 26684:2015

$142.49

Intelligent transport systems (ITS). Cooperative intersection signal information and violation warning systems (CIWS). Performance requirements and test procedures

Published By Publication Date Number of Pages
BSI 2015 24
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This International Standard specifies the concept of operation, system requirements, and test methods for cooperative intersection signal information and violation warning systems (CIWS) at signalized intersections. CIWS are intended to reduce the likelihood of crash injury, damage, and fatality by enhancing the capability of drivers to avoid crash situations at signalized intersections.

The scope of CIWS standardization includes basic functions, functional requirements, performance requirements, information contents, and test methods.

The characteristics of the technologies used to communicate between the signal controller and the vehicles are not addressed by this International Standard nor are the behavioural responses by drivers, the various capabilities of vehicles on the road, or the multitude of combinations of these two characteristics.

PDF Catalog

PDF Pages PDF Title
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Symbols
11 5 Classification
5.1 System configuration
5.2 System configuration
12 6 Functional requirements
6.1 CIWS state diagram
13 6.1.1 CIWS states
6.2 Transition criteria
6.2.1 Criterion (1): RSE activation
14 6.2.2 Criterion (2): RSE deactivation
6.2.3 Criterion (3): OBE activation
6.2.4 Criterion (4): OBE deactivation
6.2.5 Class II criterion (5): Warning activation
6.2.6 Class II criterion (6): Warning deactivation
6.3 Functional requirements of OBE
6.3.1 Acquisition of travel direction
6.3.2 Acquisition of vehicle position
6.3.3 Acquisition of vehicle speed
6.3.4 Identification of traffic signal information
6.3.5 Judgement of warning necessity and warning contents (Class II)
15 6.3.6 Timing of warning output
6.3.7 Timing of warning termination
6.3.8 HMI display contents
6.4 Functional requirements of RSE
6.4.1 Data sets
6.4.2 Communication range
6.4.3 Communication delay
6.5 CIWS system performance
6.5.1 System capabilities
16 6.5.2 Provision of information
6.5.3 Warning threshold for signal violation
17 7 Test requirements
7.1 Test vehicle
7.2 Test site
7.2.1 Environmental conditions
18 7.2.2 Geometric conditions
7.2.3 RSE location for the systems providing communication only at XAL
7.3 Test procedure
7.3.1 Test method
20 Bibliography

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BS ISO 26684:2015
$142.49