ISO/TR 20545:2017
(Main)Intelligent transport systems — Vehicle/roadway warning and control systems — Report on standardisation for vehicle automated driving systems (RoVAS)/Beyond driver assistance systems
Intelligent transport systems — Vehicle/roadway warning and control systems — Report on standardisation for vehicle automated driving systems (RoVAS)/Beyond driver assistance systems
ISO/TR 20545:2017 provides the results of consideration on potential areas and items of standardization for automated driving systems. In this document, automated driving systems are defined as systems that control longitudinal and lateral motions of the vehicle at the same time. Potential standardization areas and items are widely extracted and marshalled in a systematic manner to distinguish potential standardization for various automated vehicle systems. When, what, and by whom the standardization activities are actually done are discussed separately.
Systèmes intelligents de transport — Systèmes d'alerte et de commandes des véhicules/chaussées — Rapport sur la normalisation des systèmes de conduite automatisée des véhicules (RoVAS)/systèmes d'aide à la conduite
General Information
Standards Content (Sample)
TECHNICAL ISO/TR
REPORT 20545
First edition
2017-07
Intelligent transport systems —
Vehicle/roadway warning and control
systems — Report on standardisation
for vehicle automated driving
systems (RoVAS)/Beyond driver
assistance systems
Systèmes intelligents de transport — Systèmes d’alerte et de
commandes des véhicules/chaussées — Rapport sur la normalisation
des systèmes de conduite automatisée des véhicules (RoVAS)/systèmes
d’aide à la conduite
Reference number
©
ISO 2017
© ISO 2017, Published in Switzerland
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ii © ISO 2017 – All rights reserved
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Extracting potential areas for standardization . 1
4.1 Principles . 1
4.1.1 General. 1
4.1.2 Issues based on architectures . 1
4.1.3 Issues based on activities . 3
4.1.4 Other important issues for automated driving systems . 3
4.2 Proposal of standardization items . 3
4.2.1 Classification . 3
4.2.2 Common items . 4
4.2.3 Basic functional requirements . 4
4.2.4 Other items . 6
5 Approach to standardization . 7
5.1 Standards organizations . 7
5.2 Priority . 7
Annex A (informative) Related activities on standards for automated driving systems .8
Annex B (informative) Mapping and table of potential standardization items .11
Annex C (informative) Example of helpful potential standardized items in 4.2.4 .15
Foreword
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ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
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described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
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This document was prepared by Technical Committee ISO/TC 204, Intelligent transport systems.
iv © ISO 2017 – All rights reserved
Introduction
In recent years, rapid progresses of sensing and computational technologies have promoted research
and development on automated driving systems. Some systems have already been commercialized
and have begun to be installed in production vehicles. Standardization activities for automated
driving systems have been advanced as well. Amid ongoing practical implementation of the systems,
standardization for automated driving systems should be stimulated.
In the future, various automated driving systems will be increasingly introduced in the automotive
industry. For appropriate usage of these systems by general users, it is important for us to make a
distinction between a vehicle’s functions and the driver’s role to avoid confusion. Therefore, several
International Standards should be established that can be shared widely. However, from current
perspective, it seems to be not clear which items should be standardized. Nevertheless, since more
advanced systems for automated driving systems will be introduced in the near future, standardization
will widely consider and assess candidates for standardization to ensure covering not only the functions
of an automated driving system itself, but also contributing or enabling issues for each system.
Therefore, this document outlines potential standardization areas and items and marshal them in a
systematic manner to distinguish potential standardization for various automated vehicle systems.
It is also intended to cover the need for standardization on the usage of automated driving systems
in a heterogeneous traffic condition (where not all vehicles are automated). This document does
neither determine the area of standardization body, where the work should be performed, nor the
recommendation of specific standardization.
Therefore, this document outlines potential standardization areas and items and marshal them in a
systematic manner to distinguish potential standardization for various automated vehicle systems. It
is also intended to cover the need for standardization on the usage of automated driving systems in
a heterogeneous traffic condition (where not all vehicles are automated). This document determines
neither the area of standardization body, where the work should be performed, nor the recommendation
of specific standardization. This document also does not exert any influence on standardization
activities in ISO/TC 204 regardless of past works and present works.
This document should be helpful for those who consider and/or develop standards for automated
driving systems. Use case of this document may be as follows; to share common perceptions of
standardization, to clarify perspectives of standardization, to take standardization items, to estimate
coverages and priorities of items, and to consider feature of technologies or products.
TECHNICAL REPORT ISO/TR 20545:2017(E)
Intelligent transport systems — Vehicle/roadway warning
and control systems — Report on standardisation for
vehicle automated driving systems (RoVAS)/Beyond driver
assistance systems
1 Scope
This document provides the results of consideration on potential areas and items of standardization for
automated driving systems. In this document, automated driving systems are defined as systems that
control longitudinal and lateral motions of the vehicle at the same time.
Potential standardization areas and items are widely extracted and marshalled in a systematic manner
to distinguish potential standardization for various automated vehicle systems. When, what, and by
whom the standardization activities are actually done are discussed separately.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
No terms and definitions are listed in this document.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at http:// www .iso .org/ obp
— IEC Electropedia: available at http:// www .electropedia .org/
4 Extracting potential areas for standardization
4.1 Principles
4.1.1 General
This clause presents basic concepts for items related to automated driving systems for standardization.
Examples of basic architectures have been considered and potential areas for standardization, based
on these examples have been derived. Aside from this, items based on actual standardization activities
and other important issues have been extracted.
4.1.2 Issues based on architectures
4.1.2.1 General
It is effective to extract areas for standardization based on architecture. This section suggests an
example of notional architecture based on automated driving systems. This is not a proposal for a
standard, but intended for use when for considering potential standardization items systematically.
It might be suggested that areas for standardization are standards for each entity and interface
between entities. Functional transitions are especially important in the architecture of automated
driving systems.
4.1.2.2 Functional architecture
An automated driving system as a whole is given as an example of the notional functional architecture
of systems in Figure 1.
Under normal driving, a driver recognizes the driving environment (S1: on) and operates a vehicle (S5:
on). Under automated driving, operation is entrusted to the in-vehicle system (S4: on). Additionally,
the system shows its condition to the driver and he/she may adjust the system as needed (S2: on). The
vehicle may be operated by the driver and the in-vehicle system also (S4: on and S5: on). Under fully
automated driving, there is no need for the driver to be involved in operation. The driver does not need
to recognize the environment (S1: off) nor monitor the in-vehicle systems (S2: off).
Alternatively, there are two types of automated driving modes: the non-connected (autonomous) type
and the connected type. The non-connected type does not communicate with infrastructure and/or
other vehicles (S3: off). The connected type communicates with infrastructure and/or other vehicles
(S3: on). The connected type receives external information from infrastructure and/or other vehicles
and transmits its own information to them also.
Driver
Recognition Decision/Planning
d d
S1
S2 S5
Automated driving system IF2
In-vehicle system
IF1
S4
Recognition Decision/Planning
v v
S3
IF3
IF1’
Recognition Decision/Planning
i/ov i/ov
Infrastructure/Other vehicles
S: switch IF: interface
Figure 1 — Example of notional functional architecture
There might be a need to develop standards for the functional requirements of recognition, decision
and planning, requirements for interfaces between elements, and standards for designing automated
driving systems that can adapt to changes of switch positions. For future introduction, on behalf of
users, of its design for systems that is widely shared, International Standards need to be established.
4.1.2.3 Physical architecture
An example of notional physical architecture is shown in Figure 2. This is not a proposal for a standard,
but intended for use when for consid
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