Autonomous trucks will save fuel

    • admin@nie.com
    • Publish Date: Jan 9 2017 1:08PM
    • |
    • Updated Date: Jan 9 2017 1:08PM
Autonomous trucks will save fuel

Driverless cars can save fuel if they trail each other in large platoons, as they will experience less aerodynamic drag when they drive close together, researchers have found. But the formation of a vehicle platoon could be time consuming.

The study by researchers at Massachusetts Institute of Technology (MIT) that was recently presented at the International Workshop on Algorithmic Foundations of Robotics suggested that relatively simple, straightforward schedules may be the optimal approach for saving fuel and minimising delays for autonomous vehicle fleets. The findings may also apply to conventional long-distance trucking and ride-sharing services.
 
“Ride-sharing and truck platooning and even flocking birds and formation flight, are similar problems from a systems point of view,” said Sertac Karaman, Associate Professor at MIT. 
 
The research noted that for truck driving — particularly over long distances — most of a truck’s fuel is spent on trying to overcome aerodynamic drag, that is, to push the truck through the surrounding air.
 
“Scientists have previously calculated that if several trucks were to drive just a few metres apart, one behind the other, those in the middle should experience less drag, saving fuel by as much as 20 per cent, while the last truck should save 15 per cent – slightly less, due to air currents that drag behind,” the study found. 
 
As the number of vehicles are increased in the platoon, more energy can be collectively saved but may, however, cost in terms of the time it takes to form a platoon. The study found that the simplest policies resulted in least delays in platoon formation while saving most fuel. —IANS 

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