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NHTSA - Vehicle Safety Research

rosaP Repository & Open Science Access Portal

This collection features publications and reports from the National Highway Traffic Safety Administration's (NHTSA) Vehicle Safety Research program. Its mission is to strategize, plan, and execute research initiatives that advance the agency's core goal: reducing motor vehicle crashes, fatalities, and injuries. Resources in this collection reflect research prioritized for its potential to improve highway safety, ensuring direct alignment with Congressional mandates and broader Department of Transportation (DOT) and NHTSA objectives. For more information, visit the NHTSA Vehicle Safety Research.

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Showing 101 - 120 of 267 results
  • An Applied Review of Simulation Validation Approaches on a Vehicle Dynamics Model
    An Applied Review of Simulation Validation Approaches on a Vehicle Dynamics Model
    Salaani, Kamel ;
    Rao, Sughosh J. ;
    Howe, J. Gavin
    ; etc...
    2021-09-01 | PDF
    This report presents an approach to vehicle dynamics modeling and validation of a Class 6 International 4300 SBA 4x2 truck, model year 2017, with pneumatic brakes. The model was developed using dSPACE Automotive Simulation Models for heavy vehicles with a hardware-in-the-loop pneumatic brake test bench. The report discusses vehicle model validation ...
  • Failure Modes and Effects Analysis for Wireless and Extreme Fast Charging
    Failure Modes and Effects Analysis for Wireless and Extreme Fast Charging
    Gurpinar, Emre ;
    Mohammad, Mostak ;
    Kavimandan, Utkarsh
    ; etc...
    2021-08-01 | PDF
    Wireless charging systems (WCS) and extreme fast charging (XFC) are considered two of the important research topics in the field of electro-mobility that have potential to significantly reduce charging times and improve charging convenience. However, people view range anxiety, considerably long charging times, the limited availability of chargers, ...
  • LiIon Battery Pack Immersion Exploratory Investigation
    Li-Ion Battery Pack Immersion Exploratory Investigation
    Rask, Eric ;
    Stutenberg, Kevin ;
    Waller, Thomas
    2021-08-01 | PDF
    This research project was initiated by the National Highway Traffic Safety Administration to assess Li-ion battery pack immersion. Immersion of an electrified vehicle’s battery pack is a relatively infrequent occurrence in the real world, especially with a depth of water that can fully immerse a battery pack, yet there are many insights to be gaine ...
  • Motorcoach Safety Research Interior Impacts and Compartmentalization
    Motorcoach Safety Research – Interior Impacts and Compartmentalization
    Duffy, Steve ;
    Prasad, Aloke ;
    2021-08-01 | PDF
    In response to the MAP-21 Reauthorization Act of 2012 and research of crashworthiness features of motorcoaches, NHTSA initiated research of occupant protection in motorcoaches. This report describes technologies that may enhance that protection from two perspectives – interior head impact protection from padding and the compartmentalization safety ...
  • Measuring Steering Column Motion in Frontal RigidBarrier Test
    Measuring Steering Column Motion in Frontal Rigid-Barrier Test
    Reichert, Rudolf ;
    Kan, Cing-Dao ;
    Park, Chung-Kyu
    2021-07-01 | PDF
    Federal Motor Vehicle Safety Standard (FMVSS) No. 204, Steering control rearward displacement,” specifies a limit on rearward steering column motion in an unoccupied, 30-mph, full-frontal, rigid-barrier crash test. Modern vehicles demonstrate improved energy absorption and steering column designs compared to vehicles prior to the time when FMVSS No ...
  • Intersection Safety Assist Draft Test Procedure Performability Validation
    Intersection Safety Assist Draft Test Procedure Performability Validation
    Davis, Ian J. ;
    Forkenbrock, Garrick J. ;
    2021-07-01 | PDF
    The work described in this report was performed to (1) assess the feasibility of using a preliminary version of NHTSA’s intersection safety assist (ISA) draft research test procedure to facilitate objective and repeatable test track evaluations of the technology, and (2) to develop refinements needed to improve test performability, where necessary. ...
  • Investigation of Crash Consequences for Common Child Restraint Misuse
    Investigation of Crash Consequences for Common Child Restraint Misuse
    Manary, Miriam A. ;
    Klinich, Kathleen D. ;
    Reed, Matthew P.
    ; etc...
    2021-07-01 | PDF
    Estimates of child restraint misuse rates in the United States range from 49 to 95 percent, but not all misuse modes have similar consequences in terms of restraint effectiveness. A series of laboratory sled tests was conducted to determine the effects of common misuses and combinations of misuses, including loose harness, loose installation, incor ...
  • Occupant Response Evaluation in Flat FullFrontal Rigid Barrier Impact Testing
    Occupant Response Evaluation in Flat, Full-Frontal Rigid Barrier Impact Testing
    Summers, Stephen ;
    Hall, Ian ;
    Parent, Dan
    ; etc...
    2021-06-01 | PDF
    NHTSA has previously published research using the Test Device for Human Occupant Restraint 50th male (THOR-50M) anthropomorphic test device (ATD) as a driver in 56 km/h flat, full-frontal rigid barrier tests. NHTSA subsequently conducted six additional rigid barrier tests as part of a larger program to evaluate the use of a newer generation of test ...
  • Development of a Representative Seat Assembly for FMVSS No 213
    Development of a Representative Seat Assembly for FMVSS No. 213
    Wietholter, Kedryn ;
    Louden, Allison E. ;
    Echemendia, Cristina
    2021-06-01 | PDF
    The Federal Motor Vehicle Safety Standard No. 213 sled test was originally based on the configuration and performance parameters of the 1974 Chevrolet Impala production front bench seat. This sled test was upgraded on June 24, 2003, by incorporating advanced child anthropomorphic test devices and associated injury criteria and by modifying some fea ...
  • Seat Belt Assembly Tensile Test Procedure Development
    Seat Belt Assembly Tensile Test Procedure Development
    Wietholter, Kedryn ;
    Wetli, Alaine ;
    2021-06-01 | PDF
    Federal Motor Vehicle Safety Standard (FMVSS) No. 209, Seat Belt Assemblies, specifies requirements, including performance requirements, for seat belt assemblies used in motor vehicles. The standard includes an assembly performance tensile test where seat belt assemblies must withstand a minimum tensile force and not exceed an elongation limit. NHT ...
  • Occupant Safety in Vehicles Equipped with Automated Driving Systems Part 2 Crash Safety Considerations for OutofPosition Occupant Posture in Vehicles with Automated Driving Systems Field Data Investigation
    Occupant Safety in Vehicles Equipped with Automated Driving Systems, Part 2: Crash Safety Considerations for Out-of-Position Occupant Posture in Vehicles with Automated Driving Systems - Field Data Investigation
    Panzer, Matthew B. ;
    Shaw, Greg ;
    Poplin, Jerry
    ; etc...
    2021-05-01 | PDF
    One of the main advantages of automated driving systems (ADS) is that they promise to substantially reduce the frequency and severity of crashes. While there is optimism as to their ultimate safety benefit, there will likely be a transition period from human-driven to computer-driven vehicles that may bring new, and potentially in-creased, risks. O ...
  • Test Procedures with Countermeasure Timing Constraints for Intersection Movement and Left Turn Assist Safety Applications
    Test Procedures with Countermeasure Timing Constraints for Intersection Movement and Left Turn Assist Safety Applications
    Azeredo, Philip ;
    Tiernan, Tim ;
    Najm, Wassim G
    2021-05-01 | PDF
    This report describes test procedures with countermeasure timing constraints used to qualify the performance of intersection movement assist and left turn assist safety applications. These applications warn the driver of an imminent straight-crossing-paths or left-turn-across-path/opposite-direction collision at a road junction. The test procedures ...
  • Performance of Energy Management Features of Child Restraint System LATCH Hardware
    Performance of Energy Management Features of Child Restraint System LATCH Hardware
    Manary, Miriam A. ;
    Klinich, Kathleen DeSantis ;
    Orton, Nichole R.
    2021-05-01 | PDF
    This small-scale study used sled testing to explore the effects of two commercially available CRS (child restraint system) LATCH (Lower Anchors and Tethers for Children) energy management features on the loads delivered to the vehicle LATCH hardware and the resulting anthropomorphic test device (ATD) accelerations and excursions. Paired sled tests ...
  • Hazard Analysis of Concept HeavyTruck Platooning Systems
    Hazard Analysis of Concept Heavy-Truck Platooning Systems
    Polinori, Anthony ;
    Rice, Tony ;
    Monfalcone, Marc
    2021-05-01 | PDF
    This study explores the potential safety implications of two heavy-truck platooning concepts. The findings summarized in this final report are intended to assist with identifying and assessing potential safety hazards and risks associated with concept heavy truck platooning systems. This study reviewed heavy truck platooning systems and concepts un ...
  • Advanced Test Tools for ADAS and ADS
    Advanced Test Tools for ADAS and ADS
    Albrecht, Heath ;
    Barickman, Frank S. ;
    Schnelle, Scott C.
    2021-05-01 | PDF
    This document describes the current test tools and capabilities established at NHTSA’s Vehicle Research and Test Center for researching the safety performance of advanced driver assistance systems (ADAS) and automated driving systems (ADS) in a closed-course setting. This paper focuses on immediate and future needs for ADAS and ADS closed-course te ...
  • Traffic Jam Assist Draft Test Procedure Performability Validation
    Traffic Jam Assist Draft Test Procedure Performability Validation
    Fogle, Erin ;
    Arquette, Tyler E. ;
    Forkenbrock, Garrick J.
    2021-05-01 | PDF
    This report (a) summarizes the three test scenarios intended to emulate situations commonly encountered during real-world driving where a traffic jam assist (TJA) system may be expected to operate; (b) discusses the results from testing one light vehicle equipped with TJA on the test track; and (c) provides general assessments of revisions made to ...
  • Implementation of the Revised Safety Impact Methodology Tool
    Implementation of the Revised Safety Impact Methodology Tool
    Yanagisawa, Mikio ;
    Razo, Michael ;
    Fairley, Gerard T.
    ; etc...
    2021-05-01 | PDF
    The Safety Impact Methodology (SIM) software tool is a suite of simulation modules designed to assess the safety effectiveness of crash avoidance systems based on cooperative vehicle-to-vehicle (V2V) communications and/or vehicle-based sensors such as radar. The tool uses a Monte Carlo simulation approach to estimate reductions in crashes and crash ...
  • Electric Vehicle GTR Test Development Validation and Assessment
    Electric Vehicle GTR Test Development, Validation, and Assessment
    Schnorenberg, Robert ;
    Fleck, Joe ;
    2021-04-01 | PDF
    A global technical regulation for electric vehicles (GTR No. 20) was established in the Global Registry on March 14, 2018. GTR No. 20 introduced performance-oriented requirements that address potential safety risks of electric vehicles while in use and after a crash event, including electrical shocks associated with the high-voltage circuits of ele ...
  • Opposing Traffic Safety Assist Draft Test Procedure Performability Validation
    Opposing Traffic Safety Assist Draft Test Procedure Performability Validation
    Manahan, Taylor ;
    Forkenbrock, Garrick J. ;
    2021-04-01 | PDF
    This report summarizes test track validation of NHTSA’s September 2019 Opposing Traffic Safety Assist (OTSA) draft research test procedure. Three of the five test scenarios described in this draft procedure (Scenarios 1, 2, and 4) were used to objectively and effectively assess OTSA performance with the SV operating in automation levels 0 and 1. Si ...
  • An Approach for the Selection and Description of Elements Used to Define Driving Scenarios
    An Approach for the Selection and Description of Elements Used to Define Driving Scenarios
    Rao, Sughosh J. ;
    Deosthale, Eeshan ;
    Barickman, Frank S.
    ; etc...
    2021-04-01 | PDF
    This report reviews existing pre-crash scenario typologies and various proposed behavioral competencies in literature that may be relevant to automated driving systems (ADSs) and selects five example scenarios to facilitate exploration of elements that may be helpful in characterizing them. The selected scenarios were: rear-end scenario, lead vehic ...
101 - 120 / 267
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