Proposal to amend definitions 2.22 and 2.49 to modify the descriptions of non-volatile and volatile memory, and amend para. 5.3.1.2. to permit the EDR to write captured data from threshold criterion (a) in volatile memory only, with data from volatile memory written to non-volatile memory if any other trigger of para. 5.3.1. occurs or the vehicle master control switch is deactivated. The modification reduces memory wear in vehicles characterized by frequent stops.
Proposal to amend definitions, recording triggering conditions, time zero establishment, crash test requirements, post-crash acceleration measurement, and data recording parameters:
The agenda includes a wrap up of EDO discussion during the 79th session of GRSP, authorization to amend GTR 1 and 14, transformation of the task force into an IWG, submission of working documents on amendments to UN R11 including Korea proposal about intuitiveness images and German proposal about amendments to UN R100, any other homework of 5th EDO meeting, amendments to UN R21, reflection on comments during 79th session of GRSP, remaining homework for 6th EDO meeting in Paris, and next meetings.
The 50th IWVTA IWG session discussed strategies to increase IWVTA awareness and use, including harmonizing U-IWVTA with Japan’s Type Designation System and holding a workshop on July 17. Members reviewed UN R0/09 series amendments, considered revisions to General Guidelines on Transitional Provisions to prevent contradictions between series, and proposed a mechanism to identify compliance levels of UN type-approvals in DETA. The group will submit amended proposals to WP.29 in June and review updated Terms of Reference.
Agenda includes status of work on GTR and UNR proposals and the Guidance and Interpretation Document (GID), and proposals to resolve open items concerning:
The agenda includes discussion of preliminary outcomes and planning research activities. Future sessions are scheduled for September 8th, 2026, November 10th, 2026, and January 2027 in Japan before GRVA-27.
WTPP has started post-processing activity for the 3PMSF cluster. 90% of test results for normal tyres are expected to be reached by June 2026. WTPP members are working on dataset correction including typos and rounding, and definition of the outliers.
Based on commented version 1.0 of 28 November 2017.
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