| Proposal for amendment to Regulations No. 51, 117, 138 |
| Reference Number: GRBP-75-02/Rev.1 |
| Submitted by: ISO |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) |
| Document date: 27 Jan 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions, UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance, and UN Regulation No. 138 | Quiet Road Transport Vehicles |
| Click here to view the full document file |
| UN R51: Proposal for transitional provisions for Supplements 7 and 8 to 03 series of amendments |
| Reference Number: GRBP-75-04/Rev.1 |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) |
| Document date: 25 Jan 22 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: IWG Measurement Uncertainty status report |
| Reference Number: GRBP-75-05 |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) |
| Document date: 25 Jan 22 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions and UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R 51: IWG Measurement Uncertainties - Revised Terms of Reference |
| Reference Number: GRBP-75-06/Rev.1 |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) |
| Document date: 25 Jan 22 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions and UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R51: Study on future sound limit values for type approval for vehicle categories M & N |
| Reference Number: GRBP-75-16 |
|
Study to evaluate the potential and the feasibility of limit value reductions in type approval and the translation to real road traffic conditions |
| Submitted by: ACEA |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) |
| Document date: 02 Feb 22 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Presentation of the study on futures sound limits values for type-approval for vehicles of category M & N |
| Reference Number: GRBP-75-17 |
| Submitted by: ACEA |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) |
| Document date: 02 Feb 22 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Tyre performance study report |
| Reference Number: GRBP-75-18 |
| A study to assess the influence of tyre performances (Rolling Resistance, Wet Grip, Noise level, …) on each other, in order to understand the improvement potential of noise emissions. |
| Submitted by: ACEA and OICA |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) |
| Document date: 02 Feb 22 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Presentation on the tyre performance study |
| Reference Number: GRBP-75-19/Rev.1 |
| Submitted by: OICA and UTAC |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) |
| Document date: 02 Feb 22 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Presentation on tyre performance study; extended program - tyre wear |
| Reference Number: GRBP-75-19/Rev.1-Add.1 |
| Submitted by: OICA |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) |
| Document date: 04 Feb 22 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN RT51: Tyre performance aggregation study |
| Reference Number: GRBP-75-20 |
|
Purpose of study was to specify any potential improvement or deterioration of noise performance in light of the other parameters and to provide the necessary information regarding the possible additional tightening of the limits, without undermining the overall balance that has to take into account also other performances. |
| Submitted by: OICA |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) |
| Document date: 02 Feb 22 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Presentation on the tyre performance aggregation study |
| Reference Number: GRBP-75-21/Rev.1 |
| Submitted by: OICA |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) |
| Document date: 02 Feb 22 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: TF Vehicles Sound - Status report |
| Reference Number: GRBP-75-32 |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) and 8th TFVS session (4 Apr 2022) |
| Document date: 08 Feb 22 |
| Relevant to: WP.29 Discussion Topic | Vehicle Sound and UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Proposal for amendment to Supplement 10 to the 03 series of amendment |
| Reference Number: GRBP-75-36 |
| Proposal by experts from the Informal Working Group on Additional Sound Emission Provisions (IWG ASEP) in order to improve the current wording for better clarification. The proposed changes for up to Supplement 6. |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) |
| Document date: 08 Feb 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Proposal for amendment to Supplement 9 to the 03 series of amendments |
| Reference Number: GRBP-75-37 |
|
Proposal by the experts from the Informal Working Group on Additional Sound Emission Provisions (IWG ASEP) in order to amend Real Driving Additional Sound Emission Provisions (RD-ASEP) as a preliminary test procedure for the purpose of collecting experience on the complete new test and evaluation concept. |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) |
| Document date: 08 Feb 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R 51: IWG ASEP Status Report |
| Reference Number: GRBP-75-38 |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) |
| Document date: 08 Feb 22 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Proposal for amendment to 03 series of amendments |
| Reference Number: GRBP-75-40 |
| Submitted by: China |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) |
| Document date: 08 Feb 22 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Presentation on proposal to amend 03 series of amendment |
| Reference Number: GRBP-75-41 |
|
Proposal to change the date of compliance for category N1 or for vehicle types of category M1 derived from N1 |
| Submitted by: China |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) |
| Document date: 08 Feb 22 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Proposal for Supplement 10 to the 03 series of amendments |
| Reference Number: GRBP/2022/3 |
|
Text prepared by the experts from the Informal Working Group on Additional Sound Emission Provisions (IWG ASEP) in order to improve the current wording for better clarification. |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) and 17th ASEP II session (8 Feb 2022) |
| Document date: 23 Nov 21 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Proposal for Supplement 9 to 03 series of amendments |
| Reference Number: GRBP/2022/4 |
|
Proposal to introduce Real Driving Additional Sound Emission Provisions (RD-ASEP) as a preliminary test procedure for the purpose of collecting experience on the complete new test and evaluation concept. |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) and 17th ASEP II session (8 Feb 2022) |
| Document date: 26 Nov 21 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Proposal for Supplement 8 to 03 series of amendments |
| Reference Number: GRBP/2022/8 |
| Text prepared by the experts of the Informal Working Group on Measurement Uncertainties (IWG MU) in order to introduce measures to reduce variability. |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) |
| Document date: 23 Nov 21 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| IWG MU: Proposal for a reference document; a general approach how to handle measurement uncertainty |
| Reference Number: GRBP/2022/9 |
|
Text prepared by the Informal Working Group on Measurement Uncertainties (IWG MU) as a document of reference. IWG MU was given the first task to amend UN Regulations Nos. 51 and No.117 to reduce measurement uncertainties |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) |
| Document date: 25 Nov 21 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions and UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Draft revised proposal for the handling of noise measurement uncertainties |
| Reference Number: GRBP/2022/9/Rev.1 |
| Meeting Sessions: 75th GRBP session (8-11 Feb 2022) and 20th TFMU session (29 Jun 2022) |
| Document date: 13 Apr 22 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions and UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
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