3.
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UN Regulation No. 51 (Noise of M and N categories of vehicles)
GRBP will be informed about the activities of the Informal Working Group on Additional Sound Emission Provisions (IWG ASEP) as well as of the Task Force on Measurement Uncertainties (TF MU) and will consider any draft amendments prepared by IWG ASEP or TF MU.
GRBP-71-04 | UN R51, UN R117 TF Measurement Uncertainties (MU): Status report
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Document Title: UN R51, UN R117 TF Measurement Uncertainties (MU): Status report
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Document Reference Number: GRBP-71-04
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Description: GRBP to note the report from the TF MU on its aim to harmonize measures for evaluating systematic errors and random errors to improve the test procedures.
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Meeting Session: 71st GRBP session (28-31
Jan 2020)
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Document date: 31 Dec 19 (Posted 21 Jan 20)
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Document status: GR information
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This document concerns UN Regulation No. 51 | Vehicle Noise Emissions and UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance.
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Meeting Reports
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Working Party on Noise and Tyres | Session 71 | 28-31
Jan 2020
9. The expert from OICA reported on the progress of the Task Force on Measurement Uncertainties (TF MU) (GRBP-71-04) and presented a strategy on how to handle measurement uncertainties in UN Regulations (GRBP-71-21). GRBP noted that the suggested approach could first apply to UN Regulations Nos. 51 and 117 and, at a later stage, to other UN Regulations as well.
10. Given the importance of this topic, GRBP decided to convert TF MU into an Informal Working Group on Measurement Uncertainties (IWG MU) and approved its Terms of Reference (GRBP-71-05, GRBP-71-31-Rev.1), as laid down in Annex IV. GRBP noted that IWG MU would be chaired by Norway, while OICA would act as secretary.
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GRBP-71-05 | UN R51 : Task Force Measurement Uncertainties (TF MU) guidelines to the objectives and rules of procedure
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Document Title: UN R51 : Task Force Measurement Uncertainties (TF MU) guidelines to the objectives and rules of procedure
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Document Reference Number: GRBP-71-05
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Description: The text proposed by the Chairman of TFMU for the guidelines on the objectives and rules of procedure of the task force.
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Meeting Session: 71st GRBP session (28-31
Jan 2020)
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Document date: 17 Jan 20 (Posted 22 Jan 20)
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This document concerns UN Regulation No. 51 | Vehicle Noise Emissions and UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance.
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Meeting Reports
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Working Party on Noise and Tyres | Session 71 | 28-31
Jan 2020
9. The expert from OICA reported on the progress of the Task Force on Measurement Uncertainties (TF MU) (GRBP-71-04) and presented a strategy on how to handle measurement uncertainties in UN Regulations (GRBP-71-21). GRBP noted that the suggested approach could first apply to UN Regulations Nos. 51 and 117 and, at a later stage, to other UN Regulations as well.
10. Given the importance of this topic, GRBP decided to convert TF MU into an Informal Working Group on Measurement Uncertainties (IWG MU) and approved its Terms of Reference (GRBP-71-05, GRBP-71-31-Rev.1), as laid down in Annex IV. GRBP noted that IWG MU would be chaired by Norway, while OICA would act as secretary.
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GRBP-71-11 | UN R51: EC Study on sound level limits of M- and N- category vehicles
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Document Title: UN R51: EC Study on sound level limits of M- and N- category vehicles
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Document Reference Number: GRBP-71-11
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Description: Text submitted by the expert of EC to update on the study and investigate the sound level limits of M- and N-category vehicles in Europe.
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Submitted by: EC
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Meeting Session: 71st GRBP session (28-31
Jan 2020)
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Document date: 21 Jan 20 (Posted 22 Jan 20)
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Document status: GR information
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This document concerns UN Regulation No. 51 | Vehicle Noise Emissions.
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Meeting Reports
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Working Party on Noise and Tyres | Session 71 | 28-31
Jan 2020
8. The expert of EC informed GRBP about a study on the sound level limits of M- and N-category vehicles which had started in December 2019 and was expected to be completed by June 2021 (GRBP-71-11). The aim of the study was to propose improved sound level limits for next phases of Regulation No. 540/2014 of the European Union in the coming years. The experts from Germany, ETRTO and OICA encouraged the study contractor to follow a holistic approach and to take into account various factors that contribute to sound emissions. GRBP invited those experts to send their comments to the contractor and requested the expert of EC to regularly inform GRBP about the study progress. The expert from Japan pointed out that his country would launch soon a similar study and that the recommendations of both studies should be harmonized internationally.
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GRBP-71-21 | UN R51: TF Measurement Uncertainties update on the strategic approach to handle uncertainties
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Document Title: UN R51: TF Measurement Uncertainties update on the strategic approach to handle uncertainties
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Document Reference Number: GRBP-71-21
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Description: Update by the Chair of Task Force Measurement Uncertainty (TF MU) on the strategic approach to handle measurement uncertainties in UN Regulations
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Meeting Session: 71st GRBP session (28-31
Jan 2020)
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Document date: 24 Jan 20 (Posted 27 Jan 20)
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Document status: GR information
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This document concerns UN Regulation No. 51 | Vehicle Noise Emissions.
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Meeting Reports
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Working Party on Noise and Tyres | Session 71 | 28-31
Jan 2020
9. The expert from OICA reported on the progress of the Task Force on Measurement Uncertainties (TF MU) (GRBP-71-04) and presented a strategy on how to handle measurement uncertainties in UN Regulations (GRBP-71-21). GRBP noted that the suggested approach could first apply to UN Regulations Nos. 51 and 117 and, at a later stage, to other UN Regulations as well.
10. Given the importance of this topic, GRBP decided to convert TF MU into an Informal Working Group on Measurement Uncertainties (IWG MU) and approved its Terms of Reference (GRBP-71-05, GRBP-71-31-Rev.1), as laid down in Annex IV. GRBP noted that IWG MU would be chaired by Norway, while OICA would act as secretary.
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GRBP-71-24 | UN R51 : Proposal for revision of ASEP as a future concept of real driving
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GRBP-71-25 | UN R51 : ASEP II informal group status report
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GRBP-71-31/Rev.1 | UN R51: Draft Terms of Reference TF Measurement Uncertainties (MU)
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Document Title: UN R51: Draft Terms of Reference TF Measurement Uncertainties (MU)
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Document Reference Number: GRBP-71-31/Rev.1
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Description: The text submitted by the Chairman of TF MU for the draft terms of reference
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Meeting Session: 71st GRBP session (28-31
Jan 2020)
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Document date: 30 Jan 20 (Posted 31 Jan 20)
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This document concerns United Nations Agreement | RE3 Construction of Vehicles and UN Regulation No. 51 | Vehicle Noise Emissions.
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Meeting Reports
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Working Party on Noise and Tyres | Session 71 | 28-31
Jan 2020
9. The expert from OICA reported on the progress of the Task Force on Measurement Uncertainties (TF MU) (GRBP-71-04) and presented a strategy on how to handle measurement uncertainties in UN Regulations (GRBP-71-21). GRBP noted that the suggested approach could first apply to UN Regulations Nos. 51 and 117 and, at a later stage, to other UN Regulations as well.
10. Given the importance of this topic, GRBP decided to convert TF MU into an Informal Working Group on Measurement Uncertainties (IWG MU) and approved its Terms of Reference (GRBP-71-05, GRBP-71-31-Rev.1), as laid down in Annex IV. GRBP noted that IWG MU would be chaired by Norway, while OICA would act as secretary.
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