United States Department of Transportation
i
Commercial vehicle (CV) retrofit safety device (RSD) kits project.
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2014-07-01
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[PDF-2.91 MB]
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Abstract:Retrofit Safety Device (RSD) kits were developed and deployed on commercial vehicles as part of the U.S. DOT
Connected Vehicle Safety Pilot to gain insight into the unique aspects of deploying connected vehicle technology in a
commercial vehicle environment. These kits enable communication with other in-vehicle (commercial and passenger)
and infrastructure DSRC devices via a Basic Safety Message (BSM) and multiple infrastructure-oriented messages,
and various messages related to device security credential management. Implemented safety applications include
Curve Speed Warnings (CSW), Emergency Electronic Brake Light (EEBL), and Forward Collision Warning (FCW).
Each of the RSD kits includes a DSRC radio and antenna(s), GPS receiver and antenna, embedded gyroscope, J1939
Controller Area Network (CAN) interface, human machine interface (HMI), and interface to a Data Acquisition System
(DAS). Some of these vehicles were also equipped with a DAS designed to record data from several sources including
the DSRC radio and safety applications, GPS, the vehicle’s J1939 CAN bus, video cameras, and a forward-facing
radar. The Human-Machine Interface (HMI) was implemented as a 7-inch Android tablet mounted to the dash of the
vehicle in such a way as to be easily visible to the driver but not impede or obstruct the driver’s view of the roadway.
The interface is presents both auditory and visual warnings and serves as the interface for the driver to enter required
configuration information. In order to prevent misuse of the tablet interface, interaction by the driver is limited while the
vehicle is moving. The report includes recommendations for future development and deployment.
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