United States Department of Transportation
i
Assessment of Parcel Delivery Systems Using Unmanned Aerial Vehicles [Interim Report]
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2019-09-01
[PDF-1.92 MB]
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Edition:Interim Report
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Abstract:Unmanned aerial vehicles (drones) can be used in traffic and road monitoring applications. The authors investigate methods for routing a drone that is capable of simultaneously detecting road conditions and estimating traffic densities. First, the authors analyze the impact of incidents on model parameters and the difficulty in detecting capacity drops under congested conditions using speed-density observations. Then, the authors propose a framework for adaptively navigating a drone to minimize the uncertainty on parameter and traffic state estimates. This framework (1) assimilates drone observations and local sensor data, (2) quantifies the uncertainty on road network conditions and traffic states, and (3) navigates the drone towards targeted observations that minimize this uncertainty. Compared to estimation without a drone, the authors show that they can obtain significant improvement in traffic estimation and incident detection by adaptively navigating a mobile sensor that is capable of detecting capacity drops. In the future, the proposed drone navigation framework will be used for evaluating the benefit of parcel delivery systems that rely on drone detection and delivery capabilities.
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