National Traffic Safety and Environment Laboratory
73 documents
19 Nov 2024 A-LCA: Level concept during Use phase (NTSEL) A-LCA-SG4-17-06 2024-11-19 NTSEL
9 May 2023 Report of ACPE vehicle performance investigation (NTSEL) ACPE-02-04 2023-05-09 NTSEL
24 Nov 2023 Investigation of accelerator pedal application at very low speed (NTSEL) ACPE-04-16 2023-11-24 NTSEL
23 Feb 2024 Investigation of ACPE performance tested by creeping procedure (NTSEL) ACPE-06-04/Rev.1 2024-02-23 NTSEL
18 Jun 2024 ACPE: Additional investigation of vehicle performance by creeping procedure (NTSEL) ACPE-09-02 2024-06-18 NTSEL
13 Sep 2024 ACPE: Vehicle experimental test report (NTSEL) ACPE-10-04 2024-09-13 NTSEL
3 Jul Research plan for ACPE vehicle performance (Japan, MLIT, and NTSEL) ACPE-GTR-04-02 2026-07-03 Research plan for ACPE vehicle performance. Tests using actual vehicles will evaluate ACPE performance of vehicles on the Japanese market. Tests specified in UN R175 01 series will be conducted, along with tests under extended conditions with partially expanded test parameters. Test procedure for creeping vehicle specified in UN R175 01 series, paragraph 6.6.2, will be conducted. Activation limits of ACPE will be confirmed using distance to target and pedal application speed as test parameters. Tests will use one 2026 model year Suzuki Swift and one 2026 model year Daihatsu Move. Vehicle procurement by end of September, testing late October to November, data analysis by end of December, summary of research results early January. Japan MLIT NTSEL
28 Aug 2015 Presentation on "Automatically commanded steering function" , "Corrective steering function" and "Autonomous Steering System" (NTSEL) ACSF-03-08 2015-08-28 NTSEL
25 Nov 2015 Results of NTSEL study on ACSF transition time (NTSEL and Japan) ACSF-04-15 2015-11-25 Presentation of results from Japan's NTSEL research into the time required for the driver to transition from automated to manual steering modes and on driver/vehicle behavior throughout the transition period under various traffic scenarios. NTSEL Japan
18 Apr 2016 Results of a Study on Reduced Awakeness in Drivers Using ACSF (Japan and NTSEL) ACSF-06-25 2016-04-18 NTSEL study into the effect of automated steering on the level of driver alertness. The data suggests an increase in drowsiness as measured by blinking/eyelid closing rates. Japan NTSEL
11 Apr 2018 UN R79: Study on transition for Level 3 Automated Driving Systems (NTSEL) ACSF-17-07 2018-04-11 NTSEL
13 May 2024 Study regarding unexpected malfunction of ADAS during hands-off use (NTSEL) ADAS-31-16 2024-05-13 NTSEL
17 Nov 2017 Estimation of the Effect of AEBS Based on Data about Rear-End Accidents That Occurred in Japan (NTSEL) AEBS-02-07 2017-11-17 Potential impact of automatic braking on stationary and moving rear-end collisions in Japan. NTSEL
28 Nov 2019 Study of AEBS False Reaction Scenarios for Passenger Cars (NTSEL) AEBS-10-03 2019-11-28 NTSEL
7 Feb 2020 UN R152: Supplementary information with regard to the experimental conditions as the study of False Reaction scenarios (NTSEL) AEBS-11-08 2020-02-07 NTSEL
14 May 2020 AEBS: Additional research of False Reaction scenarios (NTSEL) AEBS-12-09 2020-05-14 Measurement data regarding driving behavior of normal drivers. NTSEL
14 May 2020 AEBS: Relation between the Draft Scenario and the Research Result (NTSEL) AEBS-12-10 2020-05-14 Slide regarding human driver behaviors and results under far-side turning (in Japan, right turn) scenario. NTSEL
4 Jun 2020 AEBS: Relation between the Draft Scenario and the Research Result (NTSEL) AEBS-12-10/Rev.1 2020-06-04 NTSEL
3 Feb AI Use Cases in the Automotive Industry: 3D Point-Cloud Anomaly Detection for Vehicle Exterior Inspection (NTSEL) AI-06-09 2026-02-03 NTSEL
19 Aug 2025 ADS Marker Lamps: Report on Outdoor Observation Experiment to Investigate Requirements (NTSEL) AVSR-26-02/Rev.1 2025-08-19 NTSEL
7 Sep ADS marker lamps: Proposal for requirements (NTSEL) AVSR-33-05 2026-09-07 AVSR-33-05 supports requirements for ADS marker lamps to improve social acceptance, facilitate traffic management and enforcement, and ensure smooth emergency vehicle passage. The proposal recommends installation at front and rear with optional side installation, visibility angles equivalent to direction-indicators, continuous illumination without flashing or luminous intensity variation except nighttime dimming, permitted combined use with direction-indicators when the marker lamp turns off on the side where the direction-indicator operates, and applicability to vehicle categories M<sub>1</sub>–M<sub>3</sub>, N<sub>1</sub>–N<sub>3</sub>, L<sub>6</sub>, L<sub>7</sub>, and O when towed by automated driving vehicles. NTSEL
5 Jun 2014 CMS Monitor Arrangement Evaluation Experiment (NTSEL) CMS II-03-05 2014-06-05 Monitor arrangement study for Class III mirror replacement NTSEL
18 Apr 2013 Comparison of the R44 Test Data using ISOFIX Booster / Seatbelt Booster (JASIC and NTSEL) CRS-38-05 2013-04-18 JASIC NTSEL
18 Apr 2013 Review of Seatbelt Anchorage and Dimensions of Test Bench Seat Cushion (JASIC and NTSEL) CRS-38-08 2013-04-18 JASIC NTSEL
19 Sep 2013 Review of ISOFIX and Seat-belt Anchorages and Dimensions of Test Bench Seat Cushion (NTSEL and JASIC) CRS-40-03 2013-09-19 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. NTSEL JASIC
16 Sep 2016 Test Results of UMTRI Seating Procedure (NTSEL and UMTRI) CRS-60-07 2016-09-16 NTSEL UMTRI
28 Jun 2017 Japan positions on the draft CRS approval guidance and proposal for UN R129 Phase 3 (JASIC and NTSEL) CRS-66-07 2017-06-28 JASIC NTSEL
24 Oct 2013 Wordlwide light vehicle emissions test procedure (WLTP) phase 1 schedule (NTSEL) EVE-07-16 2013-10-24 NTSEL
7 Sep 2017 EVS informal group procedural deadline proposal (NTSEL) EVS-14-10/G08 2017-09-07 Proposal from the chair to improve the effectiveness and efficiency of EVS informal group discussions by adhering to deadlines for meeting preparations and documents submissions, especially to ensure that all participants have had sufficient time to consider contributions and prepare for each discussion. NTSEL
26 Sep 2025 Rear Seat Occupant Responses in AM50 and AF05 in Frontal Impact Tests (NTSEL) EqOP-WS-04-14 2025-09-26 NTSEL
2 Oct 2024 Axonal Tolerance for Uniaxial Stretching (NTSEL) EqOP-TF5-02-03 2024-10-02 NTSEL
20 Apr 2025 ADS vehicle marker lamps: Survey of driver opinions in Japan, USA, UK, and Germany (NTSEL) GRE-92-27 2025-04-20 NTSEL
13 Oct 2006 Draft report on available range for hand controls: summary version (NTSEL) GRSG-91-34 2006-10-13 NTSEL
24 May 2012 Japanese Proposal for the New Regulation on Child Restraint Systems (JASIC and NTSEL) GRSP-51-39 2012-05-24 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. JASIC NTSEL
13 May 2016 Pedestrian safety research in Japan (MLIT and NTSEL) GRSP-59-21 2016-05-13 MLIT NTSEL
14 Dec 2018 Pedestrian safety in Japan (Japan, MLIT, NTSEL, and NTSEL) GRSP-64-41 2018-12-14 Japan MLIT NTSEL NTSEL
14 Dec 2018 Pedestrian safety in Japan (Japan, MLIT, NTSEL, and NTSEL) GRSP-64-41 2018-12-14 Japan MLIT NTSEL NTSEL
11 Dec 2019 Research on child seat belt guide devices (Japan, JASIC, and NTSEL) GRSP-66-38 2019-12-11 Japan JASIC NTSEL
10 Dec 2021 Sled Test Results of Small Female Dummy (NTSEL) GRSP-70-32 2021-12-10 NTSEL
11 May 2023 UN R16: Outline of the Amendment (Japan and NTSEL) GRSP-73-29 2023-05-11 Japan NTSEL
8 Dec 2023 UN R16: Presentation on the proposal for the amendment (Japan and NTSEL) GRSP-74-40 2023-12-08 Japan NTSEL
24 Sep 2021 UN R155: Questions and Answers/Comments in Session A derived from the Workshop on the implementation of the regulation (NTSEL) GRVA-11-18 2021-09-24 NTSEL
23 May 2022 Report of the Workshop on UN R155 Implementation (Japan and NTSEL) GRVA-13-16 2022-05-23 Japan NTSEL
6 Sep 2022 UN R155: Summary of Vehicle Cyber Security Workshop with the contracting parties of the 1958 and 1998 Agreements (NTSEL) GRVA-14-07 2022-09-06 NTSEL
27 Sep 2022 UN R155: Questions and Answers/Comments derived from the Workshop on the implementation (NTSEL) GRVA-14-46 2022-09-27 NTSEL
19 Jan 2023 UN R155: Report of the workshop on implementation of the regulation (NTSEL) GRVA-15-27 2023-01-19 NTSEL
19 Jan 2023 UN R155: Questions and Answers/Comments from the workshop on implementation (NTSEL) GRVA-15-28 2023-01-19 NTSEL
13 Mar UN R156: Questions on RxSWIN requirements in the 01 series (NTSEL) GRVA-WS-CS-02-05 2026-03-13 NTSEL
7 Apr 2014 Response of HILS to Cold-Start Test (NTSEL) HDH-17-05 2014-04-07 The HILS method currently used in Japan does use a cold-start test in hybrid testing; however, GTR No. 4 will use a cold-start test. This presentation discusses Japan's proposal for a "predicted temperature method" that inputs the temperature profile of each component in advance. NTSEL
29 Mar 2016 Summary of ITS ADAS informal group activities (Japan and NTSEL) ITS-20-04 2016-03-29 Japan NTSEL
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