ISO 15622:2018
(Main)Intelligent transport systems — Adaptive cruise control systems — Performance requirements and test procedures
Intelligent transport systems — Adaptive cruise control systems — Performance requirements and test procedures
This document contains the basic control strategy, minimum functionality requirements, basic driver interface elements, minimum requirements for diagnostics and reaction to failure, and performance test procedures for Adaptive Cruise Control (ACC) systems. ACC systems are realised as either Full Speed Range Adaptive Cruise Control (FSRA) systems or Limited Speed Range Adaptive Cruise Control (LSRA) systems. LSRA systems are further distinguished into two types, requiring manual or automatic clutch. Adaptive Cruise Control is fundamentally intended to provide longitudinal control of equipped vehicles while travelling on highways (roads where non-motorized vehicles and pedestrians are prohibited) under free-flowing and for FSRA-type systems also for congested traffic conditions. ACC can be augmented with other capabilities, such as forward obstacle warning. For FSRA-type systems the system will attempt to stop behind an already tracked vehicle within its limited deceleration capabilities and will be able to start again after the driver has input a request to the system to resume the journey from standstill. The system is not required to react to stationary or slow moving objects
Systèmes intelligents de transports — Systèmes stabilisateurs de vitesse adaptés — Exigences de performance et modes opératoires
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INTERNATIONAL ISO
STANDARD 15622
Third edition
2018-09
Intelligent transport systems —
Adaptive cruise control systems —
Performance requirements and test
procedures
Systèmes intelligents de transports — Systèmes stabilisateurs de
vitesse adaptés — Exigences de performance et modes opératoires
Reference number
©
ISO 2018
© ISO 2018
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ii © ISO 2018 – All rights reserved
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols and abbreviated terms . 4
5 Classification . 5
5.1 Type of ACC systems . 5
6 Requirements . 5
6.1 Basic control strategy . 5
6.2 Functionality . 6
6.2.1 Control modes . 6
6.2.2 Stationary or slow moving targets . 6
6.2.3 Following capability . 6
6.2.4 “Go” transition . 8
6.3 Basic driver interface and intervention capabilities . 9
6.3.1 Operation elements and system reactions . 9
6.3.2 Display elements .10
6.3.3 Symbols .10
6.4 Operational limits .10
6.5 Activation of brake lights .12
6.6 Failure reactions .12
7 Performance evaluation test methods .13
7.1 Environmental conditions .13
7.2 Test target specification .13
7.2.1 General.13
7.2.2 Infrared LIDAR .13
7.2.3 Millimetre wave RADAR .14
7.3 Automatic “Stop” capability test for FSRA-type only .14
7.3.1 Test target vehicle .14
7.3.2 Initial conditions .14
7.3.3 Test procedure .14
7.4 Target acquisition range test .15
7.5 Target discrimination test .15
7.5.1 General.15
7.5.2 Initial conditions .16
7.5.3 Test procedure .16
7.6 Curve capability test .16
7.6.1 General.16
7.6.2 Test field .17
7.6.3 Curve capability, target vehicle .17
7.6.4 Driving scenario .17
Annex A (normative) Technical information .19
Bibliography .24
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
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ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
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).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
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on the ISO list of patent declarations received (see www .iso .org/patents).
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URL: www .iso .org/iso/foreword .html.
This document was prepared by Technical Committee ISO/TC 204, Intelligent transport systems.
This third edition of ISO 15622 cancels and replaces ISO 15622:2010 and ISO 22179:2009, which have
been technically revised.
The main changes compared to the previous editions are as follows:
— the third edition of ISO 15622 is extended with the performance requirements and test procedures
for full speed range adaptive cruise control systems formerly described in ISO 22179:2009 (with
minor changes);
— in-vehicle devices are allowed as a possible source for the acquisition of driver commands (set-
speed-advise);
— curve classification and related dependencies have been removed;
— automatic start from hold is no longer prohibited.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www .iso .org/members .html.
iv © ISO 2018 – All rights reserved
Introduction
The main system function of Adaptive Cruise Control (ACC) is to control vehicle speed adaptively to
a forward vehicle by using information about: (1) distance to forward vehicles, (2) the motion of the
subject (ACC equipped) vehicle and (3) driver commands (see Figure 1). Based upon the information
acquired, the controller (identified as “ACC control strategy” in Figure 1) sends commands to actuators
for carrying out its longitudinal control strategy and it also sends status information to the driver.
Optionally, the driver may choose to have the ACC use set speed advice from in-vehicle devices.
Figure 1 — Functional ACC elements
The goal of ACC is a partial automation of the longitudinal vehicle control and the reduction of the
workload of the driver with the aim of supporting and relieving the driver in a convenient manner. The
generic ACC system comprehends two classes: Full Speed Range ACC (FSRA) and Limited Speed Range
ACC (LSRA).
This document can be used as a system level standard by other standards, which extend the ACC to
a more detailed standard, e.g. for specific detection and ranging sensor concepts or higher level of
functionality. Therefore, issues like specific requirements for the detection and ranging sensor function
and performance or communication links for co-operative solutions will not be considered here.
INTERNATIONAL STANDARD ISO 15622:2018(E)
Intelligent transport systems — Adaptive cruise control
systems — Performance requirements and test procedures
1 Scope
This document contains the basic control strategy, minimum functionality requirements, basic driver
interface elements, minimum requirements for diagnostics and reaction to failure, and performance
test procedures for Adaptive Cruise Control (ACC) systems.
ACC systems are realised as either Full Speed Range Adaptive Cruise Control (FSRA) systems or Limited
Speed Range Adaptive Cruise Control (LSRA) systems. LSRA systems are further distinguished into
two types, requiring manual or automatic clutch. Adaptive Cruise Control is fundamentally intended
to provide longitudinal control of equipped vehicles while travelling on highways (roads where non-
moto
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