Presentation on Japanese pole side impact testing proposal for very light vehicles (kei-cars).

Review of Japan’s work on the development of specifications for an audible warning signal for quiet vehicles.

MS Word download: Comments of Japan (represented by JASIC) on the working draft of the REESS amendments to UN Regulation 100.

MS Word download: JASIC comments on the draft text for Annex 4B (Isolation Resistance Measurement Method) of the REESS amendments to UN Regulation 100.

Japanese presentation proposing to focus work on the definition of the scope or range of rechargeable energy storage systems to be addressed in the proposed amendments to UN R100 given that several types of REESS exist.

JASIC presentation in support of Japanese positions for the 03 series of the UN regulation on vehicle noise (UN R51). The presentation addresses a three-stage, six-year transition to more stringent noise limitations and proposes additional vehicle subcategories.

Updated JASIC presentation in support of Japanese positions for the 03 series of the UN regulation on vehicle noise (UN R51). The presentation addresses a three-stage, six-year transition to more stringent noise limitations and proposes additional vehicle subcategories.

Revised and corrected JASIC presentation on cost-benefit scenarios for introduction of the FlexPLI test tool based upon Japanese and US accident data.

Revised presentation on biofidelity aspects of the FlexPLI test tool to correct minor errors.

Revised presentation on injury criteria for the FlexPLI test tool correcting minor errors.

Presentation summarizing the expected benefits from improvements to GTR 9 and the lower legform test tool.

Presentation concerning the biofidelity of the current TRL legform and the Flex-PLI lower legform impactor under consideration for the GTR on pedestrian safety.

Presentation concerning injury criteria thresholds for the Flex-PLI legform impactor under consideration for the GTR on pedestrian safety.

Presentation of a proposal for a revised ‘Worldwide heavy-duty hybrid test cycle’.

The Vienna and Graz Technical Universities have conducted research and offered recommendations for the heavy-duty hybrid emissions regulation. Japan comments on the TU-Wien and TU-Graz proposals.

Presentation on the anticipated benefits from use of the Flex-PLI test tool in GTR 9. This improves upon the earlier submission (document GTR9-1-07-Rev1).

Presentation on Japanese investigations and crash testing concerning very light vehicles (kei-cars) performance in pole side impacts.

JASIC presentation, including embedded video clip, on the results of the comparison of CRS side-impact tests using an acceleration-type sled and a deceleration-type sled. (Non-video version available at: http://www.unece.org/fileadmin/DAM/trans/doc/2012/wp29grsp/GRSP-51-38e.pdf.)

Japanese proposal to add an additional corridor and specifications for the aceleration-type sled procedure used in Japan per the testing using acceleration and deceleration-type sleds.

Trends in rear-impact accidents and injuries in Japan and implications for criteria to be used in determining head-restraint effectiveness in preventing neck injuries in such accidents.

Results of BioRID-II dummy calibration tests with headrest conducted using heavy and light probe weights to evaluate the repeatability and reproducibility of the dummy responses.

In 2010 calibration tests without headrest （see document GTR7-06-06）, the waveform configurations （phase shift） of the 095G dummy were different from those of the 102G dummy and the 115G dummy. This presentation provides the results of investigations into this difference.

Expanded review of J-MLIT,JASIC, and JARI research into the Inter-Vertebral Neck Injury Criterion (IV-NIC) as part of collobarative investigations with the USA.

In 2010 calibration tests without headrest （see document GTR7-06-06）, the waveform configurations of the 095G dummy were different from those of the 102G dummy and the 115G dummy. This presentation, updated from the GTR7-8 session, provides the results of investigations into this difference.

Revised review of international accident injury data towards defining the cost-benefit relationship of introducing the FlexPLI test device as a means to reduce tibia fracture injuries.

Updated proposal from Japan concerning new noise limit values for light vehicles, including low-powered and “mini” cars and trucks, under UN R51.

Japanese explanation for placing Stage 3 limit values in brackets (signifying tentative proposals subject to further consideration) because of the contradiction between measures to reduce automotive noise and technical measures to meet the aims of fuel consumption/CO2 regulations.

JASIC proposal of guiding principles for the formulation of the GTR on quiet road transport vehicles.

JASIC presentation on its evaluation of the Worldwide Heavy Duty Hybrid Cycle as proposed by Prof. Hausberger.

JASIC response to NHTSA request for experimental validation of model results of the JASIC/JARI CAE correlation study evaluating upper body mass effects in high bumper impacts.

Comparison of the FlexPLI results against the European Enhanced Vehicle-Safety Committee lower legform impactor (EEVC LFI) for same vehicles in response to NHTSA request from fourth GTR9 Phase 2 informal group session.

Additional analysis on cost reduction due to tibia fracture mitigation and on vehicle countermeasure costs.

Japan analysis of moving ram test equipment, assessment of friction impact on test results for labs using inverse test rig, and recommendation for guidance note in PADI.

JASIC proposal to establish a new regulation for category L separately from categories M/N vehicles (UN R100) because the former is different from the latter in terms of structure and safety concept.

Presentation on issues for consideration in drafting the proposed Quiet Vehicles GTR in relation to the Consolidated Resolution on the Construction of Vehciles (RE3) references to approaching vehicle audible signals (AVAS).

Presentation in support of Japan’s noise limit values proposal (document GRB/2012/7).

Japanese responses to the US OEM comments on the FlexPLI cost-benefit analysis.

Presentation on injury thresholds by researchers from Toyota, Honda, and Nissan.

Injury Risk Curve (IRC) and Injury Criteria (IC: WAD2+ risk 5%, 95% value) based on FE simulation in comparison with the IV-NIC by the PMHS tests done by NHTSA.

Proposal to require a high initial state of charge for the rechargeable energy storage system in the electric vehicle safety test procedures.

Presentation with recommendations for approaching vehicle audible systems for use in electric and other quiet vehicles.

Development of the Flex-GTR Master Leg FE Model and Evaluation of the Validity of the Current Threshold Values against the Flex-GTR Master Leg

A comparison of tibia bending moment time histories has shown that the exaggerated secondary peak of the FlexPLI model relative to the human model may affect the maximum value for some specific vehicles.

Revised version of the document.

Revised version of the earlier document.

Presentation in support of document GRB-58-06 proposing amendments to UN R51 with regard to the categorization of flat-front light (kei) commercial vehicles.

Presentation concerning child restraint systems and testing of movable versus fixed ISOFIX seat anchorages, side-impacts and seat-belt anchorages, and the test bench specifications.

Logistical information for the 10-12 December 2013 session of the GTR for QRTV expert group.

Japan analysis of JRC chassis dyno test results under the Validation Test Program 2.

As part of the work on establishing an International Whole Vehicle Type Approval (IWVTA) system, Japan has noted differences between European and Japanese vehicle registration (license) plates. Since UN R4 would be part of the IWVTA process, Japan seeks to add its plate requirements to the European requirements embodied in UN R4 in order to enable Japan to adopt this regulation and thereby adhere to the IWVTA.

Since the system output is different between WHTC, the test cycle for conventional vehicles, and WHVC, a compensation method has been proposed. JASIC reports on its verification of the compensation method and its impact on test results.

Since the system output is different between WHTC, the test cycle for conventional vehicles, and WHVC, a compensation method has been proposed. JASIC reports on its verification of the compensation method and its impact on test results. (Revised version of the original document)

Technical report on the development of a uniform light vehicle emissions and fuel-consumption test cycle to represent typical driving characteristics around the world in order to enable the use of a globally harmonized type-approval procedure by 2014.

Japan’s opinion for the R129 Phase 2 and
correction of an editorial error in the Draft of Phase 2

Presentation on Japanese research into
dummy responses and chest injury measures for different seat-belt paths under the full-width rigid barrier and sled tests. Since the seat-belt path influences chest deflection results, Japan proposes that UN R94 include seat-belt path definition.

Presentation in support of the proposal for additional vehicle categories and sound emission level requirements under UN R51. A “Flat Front Light N1 Vehicle” is defined as:

• GVM ≤ 2.5 ton
• PMR (power to mass ratio) of GVM ≤ 35kW/t
• Engine capacity ≤ 660cc
• d value<1,100mm

Japan positions on the scope of the current phase 2 work, especially with regard to child sizes above 125 cm and the use of the Q6 versus Q10 child dummies.

Discussion presentation from Japan towards harmonizing the provisions for testing hybrid vehicles in the kokujikan and the proposed GTR to avoid divergent interpretations.

Updated presentation for the continued discussion of Japanese views on the use of the Q6 dummy in the draft provisions of the second-phase amendments to the regulation on enhanced child restraint systems.

Presentation to explain Japan’s preference for using a gauge to ensure a 60° angle over the procedure based on the bumper beam to determine the target impact area for the lower legform.

Explanation of Japanese concerns over differences in the behaviour of the Flex-PLI lower legform impactor in an angled impact compared with a human being based on THUMS analysis in relation to the bumper beam proposal for determining the impact area of the test.

JASIC view urging quick adoption of the bumper test area using a 60° threshold in line with the currently available technology (as opposed to delaying initial implementation while researching and validating further refinements).

Presentation of summary and conclusions from a literature review on the biomechanics of minor neck injuries resulting from rear-impact accidents.

Input for consideration in the development of provisions for the type approval of rear-view camera monitor systems.

Presentation on Japanese research into thermal propagation and fire risks of vehicle battery systems.

Comments concerning point light source detection factor, point light source Rayleigh criteria methods.

Presentation discussing pros and cons of requiring (or not) a minimum sound level for quiet vehicles when stationary.

Presentation of Japan’s plans for phasing in UN R41, UN R51 (Phase 2, but not Phase 3 limits), and UN R117 requirements.

Japanese proposal for refinements to the draft motorcycle OBD GTR text following the 11 May 2016 informal group telephone conference.

JASIC proposal for amending GTR No. 2 on motorcycle emissions, based upon document EPPR-11-15/Rev.1 (EPPR informal group working draft amendment to GTR No. 2). Japan agrees with basing the revision of GTR No. 2 on the Euro 5 motorcycle emissions requirements.

Further Japan proposals to amend sections of the EPPR informal group working draft (document EPPR-11-15/Rev.1), including justifications.

Spreadsheet showing paragraph-by-paragraph changes to the text of GTR No. 2 and to the informal group working draft amendment (document EPPR-11-15/Rev.1) along with Japan comments on the proposed changes as warranted.

Japan’s proposal for EPPR-17-08 (EPPR-11-15e Rev.3) B.2.

Presentation concerning vehicle noise relationship to speed and acceleration and other factors

Proposal to add Japanese fuel (E0) to the reference fuel options, delete the manufacturer declaration value of normal idle CO, and change the provision of high idle and lambda into a Contracting Party option.

Japan proposes that the EPPR informal group launch work on the OBD2 GTR by January 2018. Japan intends to introduce new domestic regulatory requirements in October 2020 which will require public notification around October 2018. Therefore, Japan would like the EPPR informal group to have agreed the principle requirements of the harmonized GTR before October 2018.

Review of UN R41-04 limit-value application.

Presentation of changes to the original draft proposal (document GRSP-61-03) for a new regulation on the safety of hydrogen fuel-cell motorcycles and similar vehicles and explanation for the modifications. The changes have been incorporated into the revised proposal GRSP-62-02.

Japan presentation on tests conducted and questions raised.

JASIC comments on the draft text as presented in document DPPS-01-05/Rev.1.

Validity of Applying the Current Headform to the Pedestrian Head Protection Performance Evaluation Test of a Car at Low Impact Speed

(Corrected version) Review of the revised amendment to introduce the Flex PLI lower legform impactor and related test procedures into the GTR on pedestrian safety protection, including the new bumper test area specifications.

JASIC proposal for definitions and test procedures concerning GTR No. 2 on motorcycle emissions.

Review of a research program to define optimal sound limit values for reversing warning systems considering acceptability (noise environment) and detectability (pedestrian safety).

Report on consideration of Computational Fluid Dynamics method as a means to simulate aerodynamic drag.

JASIC raises concern that the WLTP driving cycle proposed for application to brake emissions testing does not, contrary to previous understanding, incorporate date on driving patterns in Japan and Korea (along with EU and US driving behaviors).