Improving the Energy Efficiency of Vehicles
Date Recorded: July 15, 2020
Host: Sankar B. Rengarajan
Onboard sensing and external connectivity using Vehicle-to-Vehicle (V2V), Vehicle-to-Infrastructure (V2I) and Vehicle-to-Everything (V2X) technologies allows a vehicle to "know" its future operating environment with some degree of certainty, greatly narrowing prior information gaps. The increased development of such connected and automated vehicle systems, currently used mostly for safety and driver convenience, presents new opportunities to improve the energy efficiency of individual vehicles. Southwest Research Institute (SwRI) in collaboration with Toyota Motor North America and University of Michigan demonstrated a 20% reduction in energy consumption of a Toyota Prius Prime 2017 by leveraging such V2X information streams. The work was done as part of the NEXTCAR program funded by Advanced Research Project Agency - Energy (ARPA-E). This talk will provide an overview of the various technologies that were developed as part of the SwRI NEXTCAR program along with vehicle results. Follow-on work being pursued by SwRI and the relevance of such technologies to attain system level benefits as well as highly automated L4+ vehicles will be discussed.
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