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UN R160: Proposal for Supplement 2
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Reference Number: GRSG/2023/11
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Proposal from the EDR/DSSAD informal group to revise and clarify the acceleration data accuracy for the lateral and longitudinal acceleration data elements and introduce procedures to verify compliance of the acceleration data with the acceleration sensor accuracy specifications. The proposal is based on the following considerations: - There are multiple ways in which the acceleration data accuracy tolerance can be applied. This can potentially lead to different interpretations when applied by type-approval authorities. For clarity, the accuracy tolerance is specified as “+/- 10 per cent of the full range of the accelerometer used in the ECU containing the EDR function”.
- The proposal enables a component test (including a time-shifting algorithm to address differences in sampling rates between an EDR and bench test) to address difficulties in verifying acceleration sensor accuracy under vehicle crash tests.
- The proposal adds a footnote to clarify that the manufacturer has discretion (option) over the format for lateral acceleration data in rollover event because such data is not recorded using the lateral airbag deployment sensors.
- The proposal adds Annex 6 on the verification procedure with an illustration of the tolerance corridor for lateral and longitudinal acceleration.
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Meeting Sessions: 125th GRSG session (27-31
Mar 2023)
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Document date: 11 Jan 23
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Document status: Superseded
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Relevant to: UN Regulation No. 160 | Event Data Recorders
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Click here to view the full document file
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UN R160: Proposal for Supplement 2 to the 01 series of amendments
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Reference Number: GRSG/2023/15
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Proposal from the EDR/DSSAD informal group to revise and clarify the acceleration data accuracy for the lateral and longitudinal acceleration data elements and introduce procedures to verify compliance of the acceleration data with the acceleration sensor accuracy specifications. The proposal is based on the following considerations: - There are multiple ways in which the acceleration data accuracy tolerance can be applied. This can potentially lead to different interpretations when applied by type-approval authorities. For clarity, the accuracy tolerance is specified as “+/- 10 per cent of the full range of the accelerometer used in the ECU containing the EDR function”.
- The proposal enables a component test (including a time-shifting algorithm to address differences in sampling rates between an EDR and bench test) to address difficulties in verifying acceleration sensor accuracy under vehicle crash tests.
- The proposal adds a footnote to clarify that the manufacturer has discretion (option) over the format for lateral acceleration data in rollover event because such data is not recorded using the lateral airbag deployment sensors.
- The proposal adds Annex 6 on the verification procedure with an illustration of the tolerance corridor for lateral and longitudinal acceleration.
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Meeting Sessions: 125th GRSG session (27-31
Mar 2023)
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Document date: 11 Jan 23
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Document status: Superseded
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Relevant to: UN Regulation No. 160 | Event Data Recorders
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Click here to view the full document file
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EDR guidance: Proposal for amendments
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Reference Number: GRSG/2023/12
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Proposal from the EDR/DSSAD informal group to revise and clarify the acceleration data accuracy for the lateral and longitudinal acceleration data elements and introduce procedures to verify compliance of the acceleration data with the acceleration sensor accuracy specifications. The proposal is based on the following considerations: - There are multiple ways in which the acceleration data accuracy tolerance can be applied. This can potentially lead to different interpretations when applied by type-approval authorities. For clarity, the accuracy tolerance is specified as “+/- 10 per cent of the full range of the accelerometer used in the ECU containing the EDR function”.
- The proposal enables a component test (including a time-shifting algorithm to address differences in sampling rates between an EDR and bench test) to address difficulties in verifying acceleration sensor accuracy under vehicle crash tests.
- The proposal adds a footnote to clarify that the manufacturer has discretion (option) over the format for lateral acceleration data in rollover event because such data is not recorded using the lateral airbag deployment sensors.
- The proposal adds Annex 6 on the verification procedure with an illustration of the tolerance corridor for lateral and longitudinal acceleration.
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Meeting Sessions: 125th GRSG session (27-31
Mar 2023)
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Document date: 11 Jan 23
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Document status: Superseded
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Relevant to: WP.29 Discussion Topic | Common Data Elements for Event Data Recorders
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Click here to view the full document file
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EDR for heavy vehicles: Proposal for a new UN Regulation
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Reference Number: GRSG/2023/13
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- Proposal from the EDR/DSSAD informal group to enable the type approval of medium and heavy vehicles with regard to the minimum collection, storage, and crash survivability of crash-event data of their event data recorders. The performance elements do not include specifications for data retrieval tools and methods which are subject to national or regional requirements.
- The purpose of these performance elements is to ensure that EDR record, in a readily usable manner, data valuable for effective crash investigations and for analysis of safety equipment performance. These data elements aim to improve understanding of the circumstances in which crashes and injuries occur and facilitate the development of safer vehicle designs. In this context, crashes should be understood as involving property damage and/or personal harm, including that of vulnerable road users involved in the events.
- Contracting Parties may but are not required to make EDR requirements mandatory for M2, M3, N2 and N3 vehicles.
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Meeting Sessions: 125th GRSG session (27-31
Mar 2023)
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Document date: 12 Jan 23
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Document status: Superseded
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Relevant to: UN Regulation No. 169 | Event Data Recorders (EDR) for heavy vehicles
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Click here to view the full document file
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EDR for heavy vehicles: Proposal for guidance under the 1998 Agreement
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Reference Number: GRSG/2023/14
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- Proposal from the EDR/DSSAD informal group to provide guidance on specification for EDR used in medium and heavy vehicles with regard to the minimum collection, storage, and crash survivability of crash-event data. The performance elements do not include specifications for data retrieval tools and methods which are subject to national or regional requirements.
- The purpose of these performance elements is to ensure that EDR record, in a readily usable manner, data valuable for effective crash investigations and for analysis of safety equipment performance. These data elements aim to improve understanding of the circumstances in which crashes and injuries occur and facilitate the development of safer vehicle designs. In this context, crashes should be understood as involving property damage and/or personal harm, including that of vulnerable road users involved in the events.
- Contracting Parties may but are not required to make EDR requirements mandatory for M2, M3, N2 and N3 vehicles.
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Meeting Sessions: 125th GRSG session (27-31
Mar 2023)
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Document date: 12 Jan 23
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Document status: Formal GR review
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Relevant to: UN Regulation No. 169 | Event Data Recorders (EDR) for heavy vehicles
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Click here to view the full document file
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Documents 2023
6 Jan 2023
GRSG: Annotated provisional agenda for the 125th (March 2023) session
GRSG/2023/1
6 Jan 2023
UN R66: Proposal for Supplement 1 to the 02 series of amendments
GRSG/2023/2
6 Jan 2023
UN R161: Proposal for Supplement 4
GRSG/2023/3
6 Jan 2023
UN R162: Proposal for Supplement 5
GRSG/2023/4
6 Jan 2023
UN R43: Proposal for Supplement 11 to the 01 Series of Amendments
GRSG/2023/7
6 Jan 2023
UN R122: Proposal for Supplement 7
GRSG/2023/8
6 Jan 2023
UN R46: Proposal for Supplement 1 to the 05 series of amendments
GRSG/2023/9
9 Jan 2023
RE3: Proposal for Amendments to the Consolidated Resolution on the Construction of Vehicles
GRSG/2023/5
10 Jan 2023
UN R167: Proposal for Supplement 1
GRSG/2023/10
11 Jan 2023
UN R160: Proposal for Supplement 2
GRSG/2023/11
11 Jan 2023
UN R160: Proposal for Supplement 2 to the 01 series of amendments
GRSG/2023/15
11 Jan 2023
EDR guidance: Proposal for amendments
GRSG/2023/12
11 Jan 2023
AECS PTI: Proposal for a new Rule (1997 Agreement)
GRSG/2023/6
12 Jan 2023
EDR for heavy vehicles: Proposal for a new UN Regulation
GRSG/2023/13
12 Jan 2023
EDR for heavy vehicles: Proposal for guidance under the 1998 Agreement
GRSG/2023/14
8 Feb 2023
UN R46: Proposal for Supplement 1 to the 05 series of amendments
GRSG/2023/16
14 Mar 2023
UN R39: Proposal for provisions on accuracy and anti-tampering for mileage and odometers
GRSG-125-05
15 Mar 2023
GRSG-125: Running order of the agenda for the March 2023 session
GRSG-125-06
20 Mar 2023
Heavy vehicle EDR: Proposal to amend document GRSG/2023/13
GRSG-125-07
20 Mar 2023
Heavy vehicle EDR: Proposal to amend document GRSG/2023/14
GRSG-125-08
21 Mar 2023
UN R43: Proposal for Supplement 11 to the 01 Series of Amendments
GRSG-125-09
21 Mar 2023
Crash protection of buses in frontal collisions
GRSG-125-10
21 Mar 2023
GRSG: Highlights from the November 2022 and March 2023 WP.29 session
GRSG-125-11
21 Mar 2023
UN R162: Proposal for amendments
GRSG-125-12
22 Mar 2023
UN R43: Proposal to amend document GRSG/2023/7
GRSG-125-13