Proposal to establish a UN Global Technical Regulation for measuring brake particulate matter and particle number emissions from heavy-duty vehicles. The regulation defines laboratory test procedures using a brake dynamometer and the Worldwide Harmonized Heavy-Duty Vehicles Brake Cycle (WHBC), encompassing 20,353 seconds with 246 brake events across three driving segments. Tests require brake bedding with six WHBC repetitions, followed by emissions measurement. Laboratories must measure PM10 and PM2.5 mass gravimetrically and total and solid particle numbers (TPN10, SPN10) using particle counters. Technical specifications cover brake enclosure design, sampling tunnel configuration, climatic control, instrumentation calibration, and data reporting requirements to ensure reproducible and comparable brake emissions testing across regions.
Seven UN Regulation proposals were reviewed for consistency and errors. Issues identified include: unclear optical-logical signal transitions in R64; redundant definitions that should reference RE3 via footnotes; inconsistent ADS activity terminology requiring standardization to “when an ADS feature is active”; incorrect Category Y vehicle references in R51; spelling and numbering errors across multiple regulations; inconsistent Mass in Running Order definitions; and unclear testing provisions requiring improved cross-referencing. Corrections are necessary for regulatory robustness.
Proposal from the GRE EMC informal working group. The modifications extend the regulation’s scope to vehicles without driver compartments or manual controls. Changes include new definitions for ADS test configurations, updated immunity-related functions to address ADS sensor performance, and revised test conditions for vehicles with active ADS features. Additional reporting requirements for ADS systems are introduced in regulatory forms.
This document specifies testing procedures to verify door-opening systems remain functional after complete power loss. Interior testing requires unlocking, unlatching, and opening doors from inside the vehicle five times after a 60-minute wait following power disconnection. Exterior testing requires unlocking, unlatching, and opening doors from outside five times under identical conditions. All operations use only permanently installed components without tools.
Comparison of the behaviour from FlexPLI and Human Model THUMS in the outer area of the bumper.
Comparison of the behaviour from FlexPLI and Human Model THUMS in the outer area of the bumper. This is an expanded version of the original presentation.
Presentation on Japanese data for leg injuries in pedestrian accidents during 1993-2003.
Presentation on results of Japanese evaluation of the EEVC legform impactor using different impact angles.
Status presentation on EC pedestrian safety study that has now been awarded to TRL.
Review of EEVC and Flex-PLI legform behavior in tests along the bumper test area and bumper corner.
Review of test results applying the Flex PLI and EEVC legs outside the regulatory bumper test area.
Some (historic) arguments that may have influenced the styling of today’s vehicles’ exterior shapes
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