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Field Operational Tests (FOT) or Naturalistic Driving Studies (NDS) is necessary to evaluate advanced driver assistance system (ADAS) as well as the naturalistic driver behavior. Due to incidents (related to crash events) may lead to collision accidents, it is necessary to do the related studies on incidents to improve traffic safety. In these studies a large volume of data was collected and a lot...
Increasing automation of vehicle guidance is one of the major trends in the automotive industry. Some auto makers have announced that automated vehicles will be deployed in public traffic by the end of this decade (level 4 in sense of the definition of SAE, level 5 later). Until then, one central challenge is ensuring functional safety of automated vehicles. Still, it is not clear how safety concepts...
In Intelligent Transportation Systems (ITS), Dedicated Short Range Communication (DSRC) enables communication among vehicles (V2V) and vehicles to infrastructure (V2I). ITS safety applications are designed to increase road safety and to reduce accidents. The reliability of DSRC-based ITS safety applications is essential. Thus, improving resiliency against faults, and enhancing reliability, are primary...
Driving is an intense and dynamic cooperation between human and vehicles. Drivers control the vehicle directly or supervise the situation according to information displayed on the instrument panel. Different from the time-headway and traditional braking models, this paper aims to propose a new safety indicator called time gap interval for safe following distance (TGFD) which incorporates...
Quadriplegic hand cycles currently on the market possess brakes that are located in areas that create a safety hazard due to the user's limited hand functionality. The customized mechanical and electronic braking system presented here will allow for enhanced performance, eliminating this safety issue. To ensure the effectiveness of the system, a minimum force test was performed on the mechanical brake...
In this study, the evaluation of failure consequence is performed including failure mode and effect in the brake system of railroad vehicle which have a priority in safety. In addition, base on the evaluated failure consequences, the adequacy of maintenance task is examined in the corresponding systems.
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