Automated Vehicle Location, Data Recording, Friction Measurement and Applicator Control for Winter Road Maintenance
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Automated Vehicle Location, Data Recording, Friction Measurement and Applicator Control for Winter Road Maintenance
Published Date
2010-02
Publisher
Minnesota Department of Transportation Research Services Section
Type
Report
Abstract
The first part of this project conducted a detailed evaluation of the ability of a new friction measurement system to
provide an accurate measure of road conditions. A system that records friction coefficient as a function of road
location was developed using the same vehicle location measurement system as the current MDSS project. Studies
conducted show that the friction measurement system provides a significantly more reliable measure of road
surface conditions than does visual inspection. The second part of this project focused on a detailed evaluation of
the performance of a closed-loop system that utilizes friction measurement for automatic applicator control.
Experimental studies have shown that a friction measurement based zero velocity sander can adequately apply
salt/chemicals to all slippery spots on a road at speeds up to 25 mph. The final part of this project focused on
enhancement of the developed automatic applicator control system with utilization of real-time data from a
geographical information system that provides information on upcoming geometric road alignment and known
problematic segments of roadway. The developed friction measurement, data recording and applicator control
system is compact, modular and can be used on both snowplows and pick-up trucks.
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Minnesota Department of Transportation
Research Services Section
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Erdogan, Gurkan; Alexander, Lee; Rajamani, Rajesh. (2010). Automated Vehicle Location, Data Recording, Friction Measurement and Applicator Control for Winter Road Maintenance. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/150098.
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