Proposal to expand alignment of UN R152 with UN R131-02 series, in particular to clarify that the Technical Service may test in any conditions within those specified by the performance requirement section of the regulation, with any other speeds within the prescribed speed range. In addition, the Technical Service may verify that the control strategy is not unreasonably changed or AEBS switched off in other conditions than those specified in the performance requirement section and the report of this verification shall be appended to the test report.
78. The expert from the European Commission presented GRVA-14-38, presenting ECE/TRANS/WP.29/GRVA/2022/19, ECE/TRANS/WP.29/GRVA/2022/20 and ECE/TRANS/WP.29/GRVA/2022/21, aimed at harmonizing UN Regulation No. 152 with the most recent wording adopted for UN Regulation No. 131. The expert from OICA proposed two editorial corrections.
79. The expert from OICA presented GRVA-14-28 proposing clarifications to the provisions in the three official documents above regarding reinstating AEBS e.g. for new engine start. The secretariat prepared GRVA-14-48, GRVA-14-49 and GRVA-14-50 including all modifications proposed.
80. GRVA adopted ECE/TRANS/WP.29/GRVA/2022/19, as amended by GRVA-14-48 and requested the secretariat to submit it as a supplement to the original text of UN Regulation No. 152 to WP.29 and AC.1 for consideration and vote at their March 2023 sessions.
81. GRVA adopted ECE/TRANS/WP.29/GRVA/2022/20, as amended by GRVA-14-49 and requested the secretariat to submit it as a supplement to the 01 series of UN Regulation No. 152 to WP.29 and AC.1 for consideration and vote at their March 2023 sessions.
82. GRVA adopted ECE/TRANS/WP.29/GRVA/2022/21, as amended by GRVA-14-50 and requested the secretariat to submit it as a supplement to the 02 series of UN Regulation No. 152 to WP.29 and AC.1 for consideration and vote at their March 2023 sessions.
74. GRVA received the final report (GRVA-13-40/Rev.1) from the expert from Germany, Co-Chair of the IWG on Advanced Emergency Braking Systems (AEBS) for heavy duty vehicles, on the progress made by the group to upgrade and align UN Regulations Nos. 131 and 152. He introduced GRVA-13-09 and GRVA-13-10 and also referred to GRVA‑10‑33 tabled by the expert from OICA.
75. The expert from the European Commission, Co-Chair of the IWG on AEBS for M1 and N1, introduced GRVA-13-08 and GRVA-13-30.
76. GRVA requested the secretariat to distribute GRVA-13-08, GRVA-13-09 and GRVA-13-10 with official symbols at the next GRVA session in September 2022.
77. GRVA agreed that the expert from EC would submit a revised proposal, or a working document based on GRVA-13-30, potentially merged with GRVA-13-08, for consideration at the next GRVA session in September 2022.
78. The expert from OICA introduced GRVA-13-33 concerning the interpretation of the wording “new engine start/run cycle”. GRVA supported the interpretation 1 referred to in that document and requested that proper attention is given to the French translation of the corresponding text in the Regulation.
79. GRVA thanked the IWG for their work and contributions to finalise the work to update the requirements on AEBS for heavy duty vehicles.
| GRVA/2022/19 | |
| GRVA/2022/20 | |
| GRVA/2022/21 | |
| GRVA-14-38 |