AeroVironment Awarded U.S. Patent For Electric Vehicle Energy Data Management And Control
August 10, 2009
Web-based System Solution for Industrial and Passenger Electric Vehicle Battery Optimization
MONROVIA, Calif., Aug. 10, 2009 -- AeroVironment, Inc. (AV) (NASDAQ: AVAV) has been granted a patent by the United States Patent and Trademark Office for technology that facilitates the optimal charging, management, control and maintenance of battery packs, chargers and electric vehicles (EVs). Patent No. 7,444,192 builds on AV's intellectual property portfolio in its Efficient Energy Systems business segment. This segment's products include PosiCharge® systems, the leading fast charge systems for electric vehicles.
AV's technology is directly applicable to battery packs, chargers and battery-powered EVs that can be linked to the electric utility network and managed by a "smart grid" controller. The technology is designed to gather data from the EV or the charger, and uses the data to determine whether the rate of charge is optimized for the vehicle's performance, the battery's long-term health, and the utility's power availability. A device employing this technology could create and store a performance profile for the EV and charger. Based on this historical profile, the device could optimize the rate of charge or transmit an alert to the utility or end user.
The technology was developed for AV's PosiNET® system, a Web-based motive power management solution which has been deployed in support of commercial EV fleets in the United States. PosiNET® minimizes fleet downtime and optimizes vehicle utilization by providing real-time, predictive and historic reports as well as actionable alerts and equipment usage recommendations to fleet managers.
"We launched this technology in the commercial EV market, but there are also compelling potential applications for passenger electric vehicles," said Michael Bissonette, AV senior vice president and general manager of its Efficient Energy Systems segment. "For instance, utilities could employ PosiNET to capture and analyze energy usage data from EV battery packs that connect to the electric grid. With these data, the utility -- or a third party -- could remotely optimize the charge rate or energy load based on real-time vehicle needs and grid capabilities, resulting in a win-win for the utility and end users."
For passenger EV charging, the system would enable vehicle and grid optimization through grid-tied electric charging systems communicating with utilities via the internet. The system could send alerts and other actionable data to utilities which could then remotely control charge rates using the PosiNET system. The comprehensive information gathered by the system could also be used by the utilities for reporting and analysis. These same capabilities could also be applied by utilities to help enable real-time grid balancing on a local level.
The technology behind AV's electric vehicle charging solutions emerged after AV's substantial contributions to the development of the GM Impact, the concept car for General Motors® EV1, the first modern electric car. AV created a solution combining high-current charging algorithms with intelligent thermal management to safely increase the useful range of electric battery packs. Today, AV's electric vehicle charging solutions significantly reduce the amount of time required to safely charge electric vehicle battery packs while maximizing their range, performance and lifespan.
About AeroVironment, Inc. (AV)
AeroVironment (NASDAQ: AVAV) provides customers with more actionable intelligence so they can proceed with certainty. Based in California, AeroVironment is a global leader in unmanned aircraft systems and tactical missile systems, and serves defense, government and commercial customers. For more information visit www.avinc.com.
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