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Book

Commercial Vehicle Accident Reconstruction and Investigation 2nd Edition

2010-09-27
Reconstructing commercial vehicle accidents is a complex task that is often misunderstood or misinterpreted. Frequently, mistakes are made in determining the vehicle's ability to brake efficiently, the engine speeds and the loading condition. ...This reference book identifies the proper techniques you should use in order to correctly assess a commercial vehicle accident scene. The authors discuss in great detail the unique aspects of commercial vehicle operation, performance and regulations. ...If you are interested in reconstructing or investigating commercial vehicle accidents, or if you are already involved in this but would like a better understanding of the issues, this book will prove to be valuable tool.
Technical Paper

Accident Reconstruction with Data Recorded by Electronic Control Units in Vehicles with a Pre-crash Safety System

2018-04-03
2018-01-1440
Data recorded by vehicle-mounted electronic control units (ECUs) are highly useful in traffic accident reconstruction. In this context, event data recorders (EDRs) are airbag ECU components used to log information from crash events, typically providing data on speed, accelerator operation, RPMs and brake lamp activation for a period of around 5 s before a collision. ...Thus, it is important to check the accuracy of EDR speed data in accident reconstruction. Meanwhile, pre-crash safety systems (PCSs) are also becoming more widespread in automobile usage today. ...Such systems automatically apply braking in hazardous situations, and the relevant data recorded in the ECU are promising in the field of accident reconstruction. This study involved physical tests in the form of simulated rear-end collisions and the collection of recorded PCS data at the post-test stage.
Technical Paper

Mechatronics Based Accident Alarming System with Automatic Roadblock Prevention System

2017-03-28
2017-01-1728
In any unlikely event of accidents or vehicle breakdown, there is accumulation of traffic which results in road-blockage and causes in convenience to other vehicles. ...If this happens in remote areas, the accidents victims are left unattended and there is delay in providing emergency services. In case of traffic, it obstructs the entry of ambulance and rescue team which results in death of passengers. ...To prevent this mishap, a mechatronics based road block avoidance and accident alarming system is designed which is automated by the use of sensors. The road-block is detected with the help sensors located at regular intervals on road.
Technical Paper

National Transportation Safety Board Accident Investigations and Recommendations on Technologies to Prevent Rear-End Collisions

2001-10-01
2001-01-3243
This report will describe the accidents that NTSB investigated in 1999 and 2000, how technology can help drivers prevent such accidents, and NTSB's position on these technologies that can save lives. ...This report will describe the accidents that NTSB investigated in 1999 and 2000, how technology can help drivers prevent such accidents, and NTSB's position on these technologies that can save lives.
Journal Article

Validating Speed Data from Cummins Engine Sudden Deceleration Data Reports

2009-04-20
2009-01-0876
Under certain conditions, many can also record parameters that are useful in accident reconstruction. Cummins engines are commonly found on highway tractors on the road today. ...Since this data reports second-by-second speed information, it can be very useful in the analysis of an accident. Establishing the reliability of this information is important, if it is to be used by an accident investigator. ...Establishing the reliability of this information is important, if it is to be used by an accident investigator. This paper explores the data recorded on a Cummins engine ECM created during a series of acceleration, cruising, and braking tests.
Journal Article

Comparison of Heavy Truck Engine Control Unit Hard Stop Data with Higher-Resolution On-Vehicle Data

2009-04-20
2009-01-0879
These data provide useful information to accident reconstruction personnel. In past studies, these data have been analyzed and compared to higher-resolution on-vehicle data for several heavy trucks and several makes of passenger cars. ...The goal of this study was to help accident reconstruction professionals better understand engine ECU “hard stop” data currently available on most commercial vehicles.
Technical Paper

Vehicle Collision Warning System with Data Recording Capability

1995-11-01
952619
The vehicle data management system and the accident reconstruction data system are described. The paper further discusses driver and vehicle experience based on actual customer utilization of the only radar collision warning system in production and on the road.
Standard

Early Acquisition and Preservation of Information in a Motor Vehicle Crash

2018-07-12
CURRENT
J1674_201807
It is intended that these guidelines improve the effectiveness of data collection, which will assist subsequent analysis and reconstruction of a particular crash. This document is intended to guide early data collectors whose objectives include documenting information related to the crash.
Technical Paper

Using Marine Engine Control Units in the Investigation of Watercraft Collision Incidents - Mercury Verado Outboard Engine

2014-04-01
2014-01-0499
In more recent publications, it has been recognized that Event Data Recorder (EDR) technology incorporated into various Electronic Control Units (ECUs) used in automotive applications can be beneficial to collision investigation and reconstruction. These devices record data surrounding diagnostic occurrences, airbag deployments, and, with respect to some heavy vehicles, “last stop” and/or “sudden deceleration” events. ...The results of this research suggest that marine ECUs can be beneficial to accident investigation by recording specific engine parameters and operator inputs immediately prior to a collision incident.
Book

Data Acquisition from Light-Duty Vehicles Using OBD and CAN

2018-11-15
This in-vehicle network provides a data opportunity for improved maintenance, fleet management, warranty and legal issues, reliability, and accident reconstruction. Data Acquisition from Light-Duty Vehicles Using OBD and CAN is a guide for the reader on how to acquire and correctly interpret data from the in-vehicle network of light-duty (LD) vehicles.
Book

Integrated Automotive Safety Handbook

2013-10-08
New technologies in sensors and electronic control units, and the growing knowledge of car-to-car and car-to-infrastructure technologies have led to a fusion of the previously separated areas of accident avoidance (popularly known as active safety) and mitigation of injuries (popularly known as passive safety) into the newer concept of integrated vehicle safety. ...This new approach represents a further step toward lowering accident rates. This book, written by two of the foremost automotive engineering safety experts, takes a unique and comprehensive approach to describing all areas of vehicle safety: accident avoidance, pre-crash, mitigation of injuries, and post-crash technologies, providing a solutions-based perspective of integrated vehicle safety. ...This book, written by two of the foremost automotive engineering safety experts, takes a unique and comprehensive approach to describing all areas of vehicle safety: accident avoidance, pre-crash, mitigation of injuries, and post-crash technologies, providing a solutions-based perspective of integrated vehicle safety.
Technical Paper

Operation of the Eaton VORAD Collision Warning System and Analysis of the Recorded Data

2009-10-06
2009-01-2911
The monitored data is also recorded by the VORAD system and can be extracted in the event that the vehicle is involved in an accident. The recorded data will show the movement and speed of the host vehicle as well as the position of other vehicles relative to the truck prior to the incident. ...This paper will discuss the operation of the VORAD system, including the installation of the system, the configuration of the CPU, and the sources from which data is obtained for the various recorded parameters, as well as the analysis and interpretation of the recorded data, such that an investigator presented with Eaton VORAD data in the course of an accident investigation has a thorough understanding of the system and its capabilities.
Technical Paper

Research on Severity Class Evaluation Based on Various Crash Situations Involved with Motorcycles for ISO 26262

2016-11-08
2016-32-0057
A method of classifying injury severity according to vehicle speed was developed on the basis of accident data. In addition, a severity table for motorcycles was created using accident data in representative collision configurations involved with motorcycles in Japan. ...However, because the existing data pertain only to the accidents that involve injuries or fatalities, we could not perform estimation for the non-injury class (S0). ...In this study, in order to improve usability of the severity table created in our previous study, we applied a wider variety of collision configurations, and considered an estimation method for S0 from data other than the existing accident data.
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