GreenGPS - GreenGPS: A Participatory Sensing Fuel-Efficient...

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GreenGPS: A Participatory Sensing Fuel-Efficient Maps Application Raghu K. Ganti, Nam Pham, Hossein Ahmadi, Saurabh Nangia, and Tarek F. Abdelzaher Department of Computer Science, University of Illinois, Urbana-Champaign rganti2, nampham2, hahmadi2, nangia1, [email protected] 2/28/2011 Presenter: Steve Kopman
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University of Central Florida Abstract GreenGPS uses participatory sensors to determine a fuel-efficient route between two arbitrary end-points. Utilizes the OBD-II interface to retrieve data from sensing automobiles The most fuel-efficient route is not always the shortest or fastest
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GreenGPS Challenges Sparse deployment and data “How does the system generalize from sparse sampling of high-dimensional space to produce compact descriptions of complex phenomena” University of Central Florida
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Major Contributions Demonstrate the use of participatory sensing system to develop a fuel-saving navigation system Show a 6% on average savings vs. shortest route and 13% over fastest Demonstrate how to generalize sparse samples of high-dimensional spaces to develop models of complex non-linear phenomena; one size does not fit all University of Central Florida
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SYSTEM OVERVIEW University of Central Florida
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Current Navigation vs. GreenGPS University of Central Florida Google Maps/MapQuest GreenGPS Data Source Web-based maps Web-based maps plus user fuel economy data Priority Route Fastest or Shortest Fuel Efficient Example A freeway route might be the fastest but fuel economy decreases non-linearly with speed. City streets might be the shortest path however traffic might decrease total fuel efficiency
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GreenGPS Map Interface University of Central Florida
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Data Collection On-Board Diagnostics (OBD)-II System Present on all cars sold since 1996 Provides monitoring of engine RPM, coolant temperature, fuel consumption, speed and idle time. A standard OBD-II scanner tool to retrieve data Remote monitors can also be used such as On-Star or Lexus Link Not used in this paper University of Central Florida
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GreenGPS Hardware System consists of OBD Vehicle Connector Garmin GPS DashDyno data recorder Data is stored on a SD card in the DashDyno Can be connected to a mobile phone via a bluetooth to OBD-II adapter University of Central Florida
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Users GreenGPS consists of two types of
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This note was uploaded on 08/25/2011 for the course EEL 6788 taught by Professor Boloni,l during the Spring '08 term at University of Central Florida.

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GreenGPS - GreenGPS: A Participatory Sensing Fuel-Efficient...

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