High-precision GPS vehicle tracking to improve safety.
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2016-09-01
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Alternative Title:Low-cost precise positioning for automated vehicles : carrier-phase differential GNSS produces mass-market centimeter accuracy.
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Abstract:Commercial Global Positioning System (GPS) devices are being used in transportation for applications
including vehicle navigation, traffic monitoring, and tracking commercial and public transit vehicles. The
current state-of-practice technology in GPS devices typically has 10-meter accuracy and can properly
answer the needs in the above applications. When it comes to safety, where driver behavior is important,
new technologies for high-precision (i.e., centimeter-level) mobility detection are required. It is with
high-precision GPS traces that safety can be evaluated by identifying when drivers are drowsy or
distracted, and anticipating problems before they occur. Through this project, the team will build low-cost
high-precision GPS devices, obtain GPS traces by placing the devices on buses, and analyzing the
traces to identify driver behavior indicators that could anticipate a safety concern before it occurs.
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