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NHTSA - Vehicle Safety Research

rosaP Repository & Open Science Access Portal

This collection includes reports from the National Highway Traffic Safety Administration (NHTSA) Office of Vehicle Safety Research program. NHTSA’s Office of Vehicle Safety Research program's mission is to strategize, plan, and implement research programs to continually further the Agency's goals in reduction of crashes, fatalities, and injuries. Research is prioritized based on potential for crash/fatality/injury reductions and is aligned with Congressional Mandates, DOT, and NHTSA goals. More information on the program can be found at https://www.nhtsa.gov/research-data. Bookmark this collection: https://rosap.ntl.bts.gov/collection_nhtsa_vsr or https://doi.org/10.21949/1530844.

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Showing 121 - 140 of 237 results
  • LiIon Battery Propagation Trigger Technique DevelopmentIgniter Development
    Li-Ion Battery Propagation Trigger Technique Development/Igniter Development
    Lamb, Joshua ;
    Ko, Jonathan
    2020-02-01 | PDF
    This interim report for single-cell thermal runaway initiator activities performed at Sandia National Laboratories looks at novel initiation methods applied to initiate or simulate failure of a single-cell test. Specifically, it explores first initiation with a high-intensity, undirected quartz lamp. This successfully initiated thermal runaway in p ...
  • Stranded Energy Assessment Techniques and Tools
    Stranded Energy Assessment Techniques and Tools
    Rask, Eric ;
    Pavlich, Craig
    2020-02-01 | PDF
    The objective of this project is to research, develop, document, and demonstrate RESS assessment and dis-charge procedures with enabling technology and architecture requirements (if needed), including device concepts, which may be commonly integrated into RESS designs for the safe management, removal, and handling of stranded energy of an inoperati ...
  • Human Factors Research on Seat Belt Assurance Systems
    Human Factors Research on Seat Belt Assurance Systems
    Bao, Shan ;
    Funkhouser, Dillon S.
    2020-02-01 | PDF
    Seat belt use is critical in mitigating injury severity and road fatalities from motor vehicle crashes. The design of a seat belt assurance system (SBAS) aims to promote more seat belt use, especially among drivers who do not have the habit of always using seat belts. This study was conducted to evaluate how part-time seat belt users interact with ...
  • Biomechanical Response Manual THOR 5th Percentile Female NHTSA Advanced Frontal Dummy Revision 2
    Biomechanical Response Manual: THOR 5th Percentile Female NHTSA Advanced Frontal Dummy, Revision 2
    Lee, E.L. ;
    Parent, Daniel
    2020-01-01 | PDF
    The THOR-05F (Test Device for Human Occupant Restraint 5th Percentile Female) is being designed to provide improved biofidelity compared to the Hybrid III 5th Percentile Female, particularly in evaluating head/neck injuries due to air bag deployment, interaction with restraints (e.g., abdominal response in submarining) along with an improved pelvis ...
  • Battery State of Health and Stability Diagnostic Tool Set Development
    Battery State of Health and Stability Diagnostic Tool Set Development
    Lamb, J. ;
    Torres-Castro, Loraine
    2020-01-01 | PDF
    Traditional monitoring of electrochemical cells and batteries has been limited to voltage and sometimes temperature of the cell or cells. There are limits to how predictive voltage and temperature can be prior to thermal runaway events. They are often lagging indicators of battery failure, and by the time a noticeable change is detected it is too l ...
  • InVehicle Voice Control Interface Evaluation Preliminary Driver Workload and Risk Analysis
    In-Vehicle Voice Control Interface Evaluation: Preliminary Driver Workload and Risk Analysis
    Jenness, James ;
    Boyle, Linda Ng
    2020-01-01 | PDF
    This project evaluated distraction and relative risk associated with using voice control systems (VCS) while driving. The objective was to explore potential empirical measures and to use a modeling approach for evaluating risk with these voice-based systems. The project included three studies. Study 1 and Study 2 were designed to assess potential m ...
  • Review of Simulation Frameworks and Standards Related to Driving Scenarios
    Review of Simulation Frameworks and Standards Related to Driving Scenarios
    Schnelle, Scott C. ;
    Salaani, M. Kamel
    2019-12-01 | PDF
    This paper presents the results of a review of simulation frameworks and standards that could be instrumental to testing and assessment of vehicles with SAE International driving automation Level 4 and 5 automated driving systems (ADSs). A simulation framework or standard describes the object level scenario data (the positions, orientations, and ve ...
  • Development of Oblique Restraint Countermeasures
    Development of Oblique Restraint Countermeasures
    Hu, Jingwen ;
    Fischer, Kurt
    2019-10-01 | PDF
    This study developed and demonstrated modified restraint systems for front seat occupants that can help provide reduced injury. The tests used the 50th percentile male Test device for Human Occupant Restraint (THOR) in both left and right oblique frontal crashes. Four baseline sled tests (driver near-side, driver far-side, passenger near-side, and ...
  • SystemLevel RESS Safety and Protection Test Procedure Development Validation and AssessmentFinal Report
    System-Level RESS Safety and Protection Test Procedure Development, Validation, and Assessment–Final Report
    Rask, Eric ;
    Stutenberg, Kevin
    2019-10-01 | PDF
    The automotive application of electric propulsion in Hybrid Electric Vehicles (HEV), Plug-in Hybrid Electric Vehicles (PHEV) and Electric Vehicles (EV) relies on the application of a Rechargeable Energy Storage System (RESS) commonly referred to as a battery. In addition to the RESS itself, a Battery Management System (BMS) is an integral component ...
  • Detection Response Task Evaluation for Driver Distraction Measurement for AuditoryVocal Tasks Experiment 2
    Detection Response Task Evaluation for Driver Distraction Measurement for Auditory-Vocal Tasks: Experiment 2
    Ranney, Thomas A. ;
    Baldwin, G.H. Scott
    2019-09-01 | PDF
    This research evaluated the Detection Response Task (DRT) as a measure of the attentional demands of auditory-vocal in-vehicle tasks. DRT is an ISO standardized method that requires participants to respond to simple targets that occur every 3-5 s during in-vehicle task performance. DRT variants use different targets: Remote DRT (RDRT) uses visual t ...
  • VisualManual Driver Distraction Guidelines Test Procedures Task Acceptance Testing Occlusion and Eye Glance Measurement Using Driving Simulator Testing
    Visual-Manual Driver Distraction Guidelines Test Procedures – Task Acceptance Testing Occlusion and Eye Glance Measurement Using Driving Simulator Testing
    United States. Department of Transportation. National Highway Traffic Safety Administration
    2019-08-01 | PDF
    This document presents the test procedure for NHTSA Driver Distraction Guidelines task acceptance conformance testing using the “Occlusion Testing” method. Occlusion testing involves the use of electronic, shuttered glasses that approximate the experience of a driver looking back and forth between the forward roadway and an in-vehicle display by al ...
  • Functional Safety Assessment of a Generic Accelerator Control System with Electronic Throttle Control in Hybrid Electric Vehicles with a Gasoline Internal Combustion Engine
    Functional Safety Assessment of a Generic Accelerator Control System with Electronic Throttle Control in Hybrid Electric Vehicles with a Gasoline Internal Combustion Engine
    Becker, Christopher ;
    Nasser, Ahmad
    2019-08-01 | PDF
    This report describes the research effort to assess the functional safety of accelerator control systems with electronic faults, such as errant electronic throttle control signals, following an industry process standard. This study focuses specifically on errant signals in hybrid electric vehicles (HEVs) that combine an electric powertrain subsyste ...
  • Lower Beam Headlighting System Visibility Confirmation Test Test Procedure Assessment
    Lower Beam Headlighting System Visibility Confirmation Test – Test Procedure Assessment
    Mazzae, Elizabeth N. ;
    Andrella, Adam T.
    2019-08-01 | PDF
    This report summarizes an assessment of a draft test procedure for confirming the visibility performance of lower beam headlighting systems. Headlighting system performance in this procedure is determined by activating the lower beam headlamps on a production vehicle and measuring the amount of light cast onto the forward roadway over an array of s ...
  • Statistics of LightVehicle PreCrash Scenarios Based on 20112015 National Crash Data
    Statistics of Light-Vehicle Pre-Crash Scenarios Based on 2011–2015 National Crash Data
    Swanson, Elizabeth D. ;
    Foderaro, Frank
    2019-08-01 | PDF
    This report defines a new set of 36 distinct pre-crash scenarios that represent the crash population of light-vehicles (LVs) based on data from the 2011-2015 Fatality Analysis Reporting System (FARS) and National Automotive Sampling System General Estimates System (GES) crash databases. LVs include all passenger cars, vans, minivans, sport utility ...
  • DC Charging Safety Evaluation Procedure Development Validation and Assessment and Preliminary Draft AC Charging Evaluation Procedure
    DC Charging Safety Evaluation Procedure Development, Validation, and Assessment, and Preliminary Draft AC Charging Evaluation Procedure
    Rask, Eric ;
    Harper, Jason
    2019-07-01 | PDF
    This project report is based on the initial DC charging test procedures provided by NHTSA and presents validation and refinement, where possible, of the provided test procedures maintaining the holistic approach initially used by SAE. It describes and validates a holistic collection of test procedures that assess safety hazards to electric vehicles ...
  • Traffic Jam Assist System Confirmation Test Research Draft
    Traffic Jam Assist System Confirmation Test [Research Draft]
    United States. Department of Transportation. National Highway Traffic Safety Administration
    2019-07-01 | PDF
    This draft test procedure provides specifications used by the National Highway Traffic Safety Administration to research traffic jam assist (TJA) system performance on light vehicles with gross vehicle weight ratings (GVWR) of up to 10,000 lbs (4,536 kg). The expected operating domain for TJA includes roadways supporting low speed and stop-and-go t ...
  • Ford Safety Performance of Rechargeable Energy Storage Systems RESS
    Ford Safety Performance of Rechargeable Energy Storage Systems (RESS)
    Masias, Alvaro
    2019-07-01 | PDF
    This study of rechargeable energy storage systems (RESS) in electrified vehicles had the objective of defining lithium ion battery performance based safety-metrics, safety performance test procedures and metrics that can be conducted at the vehicle level, informed by data at the string, module and pack level. The research involved the identificatio ...
  • Test Procedures Traffic Jam Assist Test Development Considerations
    Test Procedures Traffic Jam Assist Test Development Considerations
    Rao, Sughosh J. ;
    Forkenbrock, Garrick J.
    2019-07-01 | PDF
    This report summarizes the use of three preliminary TJA test scenarios, discusses the results from testing three commercially available vehicles equipped with TJA, and provides general assessments of the scenarios used. The three test scenarios were intended to emulate driving situations commonly encountered during real-world driving, and consider ...
  • Evaluation of the Large OmniDirectional Child Anthropomorphic Test Device
    Evaluation of the Large Omni-Directional Child Anthropomorphic Test Device
    Suntay, Brian ;
    Stammen, Jason
    2019-07-01 | PDF
    In 2016 a new pediatric anthropomorphic test device (ATD) – the large omni-directional child (LODC) – was introduced. The LODC has anthropometry representative of a seated 9- to 11-year-old child, a flexible thoracic spine, an instrumented abdomen, and realistic pelvis geometry to address the biofidelity and injury risk measurement limitations with ...
  • Technical Evaluation of the TRL Pedestrian Upper Legform
    Technical Evaluation of the TRL Pedestrian Upper Legform
    Suntay, Brian ;
    Stammen, Jason
    2019-07-01 | PDF
    The upper legform impactor was introduced by Transport Research Laboratory (TRL) to address injuries to the upper leg, pelvis, and hip of a pedestrian when struck by a vehicle. The upper legform is instrumented to measure bending moment and force, the two principal modes of injury to a pedestrian in contact with a vehicle’s bonnet leading edge. The ...
121 - 140 / 237