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UN R51: Research on Measurement Methods for LDV & HDV in Multiple Driving Mode Conditions

Document GRBP-76-29

2 September 2022

76th GRBP session (5-7 Sep 2022)

CATC Data Study and Measurement Methods Research

Submitted by CATARC and China

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Previous Documents, Discussions, and Outcomes

11th TFVS session (9 Sep 2022)

76th GRBP session (5-7 Sep 2022)

2. | UN Regulation No. 51 (Noise of M and N categories of vehicles)

10. The expert from China reported on their research on measurement methods for passenger vehicles and trucks in multiple driving mode conditions and to characterize the current situation and possible developments (GRBP-76-29). GRBP invited TF VS to consider this study as well.

Relates to UN R51 |

Reference Number:	WP.29/2025/2
Meeting Session(s):	195th WP.29 session (3-7 Mar 2025)
Document date:	24 Dec 24
Document status:	Formal WP.29 review
Regarding:	Communications/Connectivity

Reference Number:	EVE-79-05
Meeting Session(s):	79th EVE session (17 Dec)
Document date:	23 Dec 24
Regarding:	GTR No. 21 EV Power Determination \| GTR No. 22 EV Battery Durability \| HD EV Battery Durability

Reference Number:	VIAQ-30-09
Meeting Session(s):	30th VIAQ session (11 Oct)
Document date:	23 Dec 24
Regarding:	MR 3: VIAQ

Reference Number:	WT-64-03
Meeting Session(s):	64th WT session (16 Dec)
Document date:	22 Dec 24
Regarding:	UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance

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