ISO INTERNATIONAL STANDARD 20035 First edition 2019-01 Intelligent transport systems Cooperative adaptive cruise control systems (CACC) Performance requirements and test procedures Reference number IS0 20035:2019(E) Tso @IS02019 IS0 20035:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2019 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 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved IS0 20035:2019(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. 2 Normative references 3 Terms and definitions 4 Symbols and abbreviated terms 5 Classification ..4 5.1 Type of CACC systems .4 5.2 Curve capabilities. ..4 5.3 Classes of on-board V2X devices .4 6 Requirements 5 6.1 V2VCACC .5 6.1.1 V2V CACC response 5 Region of interest. .5 6.1.2 6.1.3 Potential Vehicle of Interest (PVOl) .5 6.1.4 State transition diagram. ..6 6.1.5 Control operation strategy 7 6.1.6 V2V CACC data requirements .9 6.2 I2VCACC .10 6.2.1 Control Operation Strategy .10 6.2.2 I2V CACC data requirements ..12 6.3 General operational control requirements .12 7 Performance evaluation test methods .12 7.1 V2VCACC 12 7.1.1 Communication range test. .12 7.1.2 Accuracy test (lane and range discrimination tests) 7.1.3 V2V cooperative operating modes/states tests .13 7.2 I2V CACC .15 7.2.1 Set speed test .15 7.2.2 Time fap test .. 16 7.3 Test environment conditions. .16 @ IS0 2019 - All rights reserved iii