(Credit: iStock.com/timoph)
Applying artificial intelligence to self-driving cars to smooth traffic, reduce fuel consumption, and improve air quality predictions may sound like the stuff of science fiction, but researchers at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have launched two research projects to do just that. In collaboration with UC Berkeley, Berkeley Lab scientists are using deep reinforcement learning, a computational tool for training controllers, to make transportation more sustainable. One project uses deep reinforcement learning to train autonomous vehicles to drive in ways to simultaneously improve traffic flow and reduce energy consumption. A second uses deep learning algorithms to analyze satellite images combined with traffic information from cell phones and data already being collected by environmental sensors to improve air quality predictions. 'Thirty percent of energy use in the U.S. is to transport people and goods, and this energy consumption contributes to air pollution, including approximately half of all nitrogen oxide emissions, a precursor to particular matter and ozone - and black carbon (soot) emissions,' said Tom Kirchstetter, director of Berkeley Lab's Energy Analysis and Environmental Impacts Division , an adjunct professor at UC Berkeley, and a member of the research team. 'Applying machine learning technologies to transportation and the environment is a new frontier that could pay significant dividends - for energy as well as for human health.' Traffic smoothing with Flow.
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