ISO 4273:2024
(Main)Intelligent transport systems — Automated braking during low-speed manoeuvring (ABLS) — Requirements and test procedures
Intelligent transport systems — Automated braking during low-speed manoeuvring (ABLS) — Requirements and test procedures
This document provides minimum requirements and test procedures for automated braking at velocities below 2,8 m/s (10 km/h) with the specific aim of avoiding or mitigating collisions with pedestrians, other road users (e.g. vehicles) and stationary objects, including infrastructure elements (e.g. walls, pillars). These collisions mainly occur during reversing manoeuvres, but this document also addresses collisions in other directions during low-speed manoeuvring. Automated braking during low-speed manoeuvring (ABLS) requires information about the position and motion of the object, the motion of the subject vehicle, and the driver actions. It then determines if the evaluated situation represents a collision risk. If an imminent collision risk exists, ABLS will automatically activate a brake action to avoid or at least mitigate the collision. The document does not define test objects, but refers to the ISO 19206 series for test objects to be used. The human driver is assumed to perform or at least supervise all driving manoeuvres because the ABLS application is restricted to support only systems of SAE Level 0 – 2. Evasive steering manoeuvres are not within the scope of this document. This document applies to light vehicles only. Vehicles equipped with trailers are not within the scope of this document.
Systèmes de transport intelligents — Freinage automatique lors de manœuvres à basse vitesse (ABLS) — Exigences et procédures d'essai
General Information
Buy Standard
Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 4273
First edition
Intelligent transport systems —
Automated braking during low-speed
manoeuvring (ABLS) — Requirements
and test procedures
Systèmes de transport intelligents — Freinage automatique lors de
manœuvres à basse vitesse (ABLS) — Exigences et procédures d'essai
PROOF/ÉPREUVE
Reference number
ISO 4273:2023(E)
© ISO 2023
---------------------- Page: 1 ----------------------
ISO 4273:2023(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
PROOF/ÉPREUVE © ISO 2023 – All rights reserved
---------------------- Page: 2 ----------------------
ISO 4273:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Basic system functionality .3
4.1 Operating conditions . 3
4.2 Classification of ABLS . 4
4.2.1 ABLS types . 4
4.2.2 Performance classification . 4
4.2.3 ABLS classification overview . 5
4.3 Principle of operation . 5
4.3.1 General . 5
4.3.2 Object detection . 6
4.3.3 Situation evaluation. 6
4.3.4 Braking activation. 6
4.4 Information to the driver . 6
5 Function and performance requirements for ABLS . 6
5.1 General .
...
© ISO 2022 – All rights reserved
ISO/DIS PRF 4273:2022(E)
ISO /TC 204/WG 14
Secretariat: XXXX ANSI
2022Date: 2023-10-11-04
Intelligent transport systems — Automated braking during low-
speed manoeuvring (ABLS) — Requirements and test procedures
Systèmes de transport intelligents — Freinage automatique lors de manœuvres à basse vitesse (ABLS) —
Exigences et procédures d'essai
FDIS stage
© ISO 2023 – All rights reserved
---------------------- Page: 1 ----------------------
ISO/DISPRF 4273:20222023(E)
© ISO 20222023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this
publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical,
including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can
be requested from either ISO at the address below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: + 41 22 749 01 11
Fax: +41 22 749 09 47
EmailE-mail: copyright@iso.org
Website: www.iso.orgwww.iso.org
Published in Switzerland
viii © ISO 2022 2023 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/DISPRF 4273:20222023(E)
Content
Foreword v
Introduction vi
1 Scope 1
2 Normative references 1
3 Terms and definitions 2
4 Basic system functionality 3
4.1 Operating conditions 3
4.2 Classification of ABLS 4
4.2.1 ABLS types 4
4.2.1.1 Type A “manual driving mode” 4
4.2.1.2 Type B “assisted parking mode” 4
4.2.1.3 Type C “partially automated parking mode” 4
4.2.2 Performance classification 5
4.2.2.1 Class "base" 5
4.2.2.2 Class "enhanced" 5
4.2.3 ABLS classification overview 5
4.3 Principle of operation 6
4.3.1 Object detection 6
4.3.2 Situation evaluation 6
4.3.3 Braking activation 6
4.4 Information to the driver 6
5 Function and performance requirements for ABLS 6
5.1 General 6
5.2 Addressed situations 6
5.3 Perception requirements 7
5.4 Vehicle motion control requirements 7
5.5 Function flow 7
6 Performance test requirements 8
6.1 General 8
6.2 Environmental conditions 8
6.3 Boundary of parking space 9
6.4 Test object 9
6.5 General test criteria 9
6.6 Test procedure and criteria 9
6.6.1 Overview 9
6.6.2 Performance test for type A 10
6.6.2.1 Overview 10
© ISO 2022 2023 – All rights reserved v iii
---------------------- Page: 3 ----------------------
ISO/DISPRF 4273:20222023(E)
6.6.2.2 Test procedure type A base (A1) 10
6.6.2.3 Test criteria type A base (A1) 12
6.6.2.4 Test procedure type A enhanced (A2) 12
6.6.2.5 Test criteria type A enhanced (A2) 14
6.6.3 Performance test for type B 15
6.6.3.1 General 15
6.6.3.2 Test procedure type B base (B1) 15
6.6.3.3 Test criteria type B base (B1) 16
6.6.3.4 Test procedure type B enhanced (B2) 16
6.6.3.5 Test criteria type B enhanced (B2) 16
6.6.4 Performance test for type C 16
6.6.4.1 Test procedure type C base (C1) 17
6.6.4.2 Test criteria type C base (C1) 19
6.6.4.3 Test Procedure type C enhanced (C2) 19
6.6.4.4 Test criteria type C enhanced (C2) 21
Annex A (informative) Recommended preparation procedure for curve driving 22
Bibliography 23
viiv © ISO 2022 2023 – All rights reserved
---------------------- Page: 4 ----------------------
ISO/DISPRF 4273:20222023(E)
Contents
Foreword . vi
Introduction . vii
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Basic system functionality . 3
4.1 Operating conditions . 4
4.2 Classification of ABLS . 5
4.2.1 ABLS types .
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.