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Author: U.s. Department of Transportation Publisher: Createspace Independent Publishing Platform ISBN: 9781495245749 Category : Technology & Engineering Languages : en Pages : 148
Book Description
The Volpe Center performed a comprehensive engineering analysis of Event Data Recorder(EDR) data supplied by NHTSA to assess its accuracy and usefulness in crash reconstruction and improvement of vehicle safety systems. The Volpe Center gathered and analyzed over 2,500 EDR files that have been downloaded from the National Automotive Sampling System's (NASS) Crashworthiness Data System (CDS), Special Crash Investigations (SCI), and Crash Injury Research & Engineering Network (CIREN) databases supplied by NHTSA. The analyses focused on EDR file format and potential improvements, assessment of crash types where EDR data exist, review of EDR data for accuracy and completeness, EDR data comparisons with existing crash data, review of pre-crash, crash, and post-crash data for usefulness in better understanding the crash reconstruction, identification of error sources, and determination of methods by which researchers could use the EDR data to improve their crash case information.
Author: U.s. Department of Transportation Publisher: Createspace Independent Publishing Platform ISBN: 9781495245749 Category : Technology & Engineering Languages : en Pages : 148
Book Description
The Volpe Center performed a comprehensive engineering analysis of Event Data Recorder(EDR) data supplied by NHTSA to assess its accuracy and usefulness in crash reconstruction and improvement of vehicle safety systems. The Volpe Center gathered and analyzed over 2,500 EDR files that have been downloaded from the National Automotive Sampling System's (NASS) Crashworthiness Data System (CDS), Special Crash Investigations (SCI), and Crash Injury Research & Engineering Network (CIREN) databases supplied by NHTSA. The analyses focused on EDR file format and potential improvements, assessment of crash types where EDR data exist, review of EDR data for accuracy and completeness, EDR data comparisons with existing crash data, review of pre-crash, crash, and post-crash data for usefulness in better understanding the crash reconstruction, identification of error sources, and determination of methods by which researchers could use the EDR data to improve their crash case information.
Author: Christopher D Armstrong Publisher: SAE International ISBN: 0768092221 Category : Technology & Engineering Languages : en Pages : 290
Book Description
Collision Reconstruction Methodologies - Volume 7A - The last ten years have seen explosive growth in the technology available to the collision analyst, changing the way reconstruction is practiced in fundamental ways. The greatest technological advances for the crash reconstruction community have come in the realms of photogrammetry and digital media analysis. The widespread use of scanning technology has facilitated the implementation of powerful new tools to digitize forensic data, create 3D models and visualize and analyze crash vehicles and environments. The introduction of unmanned aerial systems and standardization of crash data recorders to the crash reconstruction community have enhanced the ability of a crash analyst to visualize and model the components of a crash reconstruction. Because of the technological changes occurring in the industry, many SAE papers have been written to address the validation and use of new tools for collision reconstruction. Collision Reconstruction Methodologies Volumes 1-12 bring together seminal SAE technical papers surrounding advancements in the crash reconstruction field. Topics featured in the series include: • Night Vision Study and Photogrammetry • Vehicle Event Data Recorders • Motorcycle, Heavy Vehicle, Bicycle and Pedestrian Accident Reconstruction The goal is to provide the latest technologies and methodologies being introduced into collision reconstruction - appealing to crash analysts, consultants and safety engineers alike.
Author: Event Data Recorder Committee Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
This recommended practice describes common definitions and operational elements of Event Data Recorders. The SAE J1698 series of documents consists of the following: SAE J1698-1 - Event Data Recorder - Output Data Definition; Provides common data output formats and definitions for a variety of data elements that may be useful for analyzing vehicle crash and crash-like events that meet specified trigger criteria. SAE J1698-2 - Event Data Recorder - Retrieval Tool Protocol; Utilizes existing industry standards to identify a common physical interface and define the protocols necessary to retrieve records stored by light duty vehicle Event Data Recorders (EDRs). SAE J1698-3 - Event Data Recorder - Compliance Assessment; Defines procedures that may be used to validate that relevant EDR output records conform with the reporting requirements specified in Part 563, Table 1 during the course of FMVSS-208, FMVSS-214 and other applicable vehicle level crash testing. This Recommended Practice was first issued in 2005. It is being revised in order to separate the various aspects of EDRs into other more focused documents. This document now becomes an overall parent document to the other SAE J1698 series of documents.EDR data has multiple potential uses. This document focuses on EDR data used to understand the operation of various vehicles systems such as the occupant protection system. EDR data has application in support of crash reconstruction and assisting in setting roadway safety policies.
Author: Event Data Recorder Committee Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
This Recommended Practice provides common data output formats and definitions for a variety of data elements that may be useful for analyzing vehicle crash and crash-like events that meet specified trigger criteria. The document is intended to govern data element definitions, to provide a minimum data element set, and to specify EDR record format as applicable for light-duty motor vehicle Original Equipment applications. This document is being revised in order to update it based on the addition of information pertaining to rollover systems and pedestrian protection systems as well as updates to data elements previously defined.
Author: Event Data Recorder Committee Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
This SAE Recommended Practice utilizes existing industry standards to identify a common physical interface and define the protocols necessary to retrieve records stored by light duty vehicle event data recorders (EDRs). To accomplish this, the SAE J1962 diagnostic connector is designated as the primary physical interface for EDR retrieval tools.This SAE Recommended Practice is intended to be used for the development of EDR retrieval tools. Retrieval tools are intended to interface with light duty vehicles and to produce EDR record reports with data element formats specified by SAE J1698-1.Limitations: This SAE Recommend Practice specifies how EDR records should be imaged, translated, and reported by EDR retrieval tools. It does not specify how EDR records are recorded and stored by individual vehicles. This SAE Recommended Practice addresses EDR record retrieval (including imaging and translating) via the connection to the vehicle's SAE J1962 connector or via direct connection to an electronic control unit (ECU) containing an EDR record. Direct connection to an ECU may require the use of specialized interface adapters. This SAE Recommended Practice is being revised in order to referance SAE J3197. This change was based on recent discussions in the SAE EDR Committee.
Author: Christopher D Armstrong Publisher: SAE International ISBN: 0768095263 Category : Technology & Engineering Languages : en Pages : 290
Book Description
Collision Reconstruction Methodologies - Volume 7A - The last ten years have seen explosive growth in the technology available to the collision analyst, changing the way reconstruction is practiced in fundamental ways. The greatest technological advances for the crash reconstruction community have come in the realms of photogrammetry and digital media analysis. The widespread use of scanning technology has facilitated the implementation of powerful new tools to digitize forensic data, create 3D models and visualize and analyze crash vehicles and environments. The introduction of unmanned aerial systems and standardization of crash data recorders to the crash reconstruction community have enhanced the ability of a crash analyst to visualize and model the components of a crash reconstruction. Because of the technological changes occurring in the industry, many SAE papers have been written to address the validation and use of new tools for collision reconstruction. Collision Reconstruction Methodologies Volumes 1-12 bring together seminal SAE technical papers surrounding advancements in the crash reconstruction field. Topics featured in the series include: • Night Vision Study and Photogrammetry • Vehicle Event Data Recorders • Motorcycle, Heavy Vehicle, Bicycle and Pedestrian Accident Reconstruction The goal is to provide the latest technologies and methodologies being introduced into collision reconstruction - appealing to crash analysts, consultants and safety engineers alike.
Author: Christopher Armstrong Publisher: SAE International ISBN: 0768095271 Category : Technology & Engineering Languages : en Pages : 424
Book Description
Collision Reconstruction Methodologies - Volume 7B -The last ten years have seen explosive growth in the technology available to the collision analyst, changing the way reconstruction is practiced in fundamental ways. The greatest technological advances for the crash reconstruction community have come in the realms of photogrammetry and digital media analysis. The widespread use of scanning technology has facilitated the implementation of powerful new tools to digitize forensic data, create 3D models and visualize and analyze crash vehicles and environments. The introduction of unmanned aerial systems and standardization of crash data recorders to the crash reconstruction community have enhanced the ability of a crash analyst to visualize and model the components of a crash reconstruction. Because of the technological changes occurring in the industry, many SAE papers have been written to address the validation and use of new tools for collision reconstruction. Collision Reconstruction Methodologies Volumes 1-12 bring together seminal SAE technical papers surrounding advancements in the crash reconstruction field. Topics featured in the series include: • Night Vision Study and Photogrammetry • Vehicle Event Data Recorders • Motorcycle, Heavy Vehicle, Bicycle and Pedestrian Accident Reconstruction The goal is to provide the latest technologies and methodologies being introduced into collision reconstruction - appealing to crash analysts, consultants and safety engineers alike.
Author: Truck and Bus Event Data Recorder Committee Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
This document provides a list of data elements and event triggers for recording of event data relevant to crash investigations for heavy vehicles. The list of data elements includes recommended source(s) and formatting. This document contains information that was previously part of SAE J2728 (June 2010) and specifically focuses on outlining: (1) a minimum set of data elements and their format, and (2) definitions for heavy vehicle-specific triggers for event data recording.
Author: W. Lee Publisher: ISBN: Category : Languages : en Pages : 9
Book Description
A type of event data recorder ( EDR) has been developed that can detect a crash automatically, and also record the motion of the vehicle and driver's actions during a predefined time period before and after the accident. The EDR consists of crash detection and vehicle motion sensors, a steering sensor, several digital input ports for detecting the driver's actions, a non-volatile memory device for recording and a microprocessor for controlling the unit. For reliable detection of accidentrelated crashes, it is important to understand the characteristics of the crash signal, which are very different from those of normal driving. Therefore, analytical considerations were taken in designing prefiltering circuits and selecting the appropriate parameters for identifying a crash. It is also necessary to select a proper combination of motion sensors and to design proper prefiltering circuits in order adequately to describe the motion of the vehicle. Analysis algorithms have been developed and implemented in order reliably to detect a crash, simulate precrash trajectories, and calculate velocity change, V, and PDOF for reconstruction analysis of crash accidents. The developed EDR was installed on passenger cars and several types of tests were conducted in order to validate the accuracy of the recorded data and usefulness of the analysis tool for reconstruction.
Author: U.s. Department of Transportation
Author: U.s. Department of Transportation
Author: Christopher D Armstrong
Author: Event Data Recorder Committee
Author: Hampton Clay Gabler
Author: Event Data Recorder Committee
Author: Event Data Recorder Committee
Author: Christopher D Armstrong
Author: Christopher Armstrong
Author: Truck and Bus Event Data Recorder Committee
Author: W. Lee