Charles Rattray's vision of what the automotive industry will be capable of by the year 2030 is far more feasible that it may seem at first glance. Autonomo, his fully autonomous vehicle concept, certainly looks the part, but should not be dismissed as just another flashy concept car. As car makers worldwide gear up to face the enormous challenges posed by congestion, pollution, and infrastructural deficiencies, Rattray's final year student project offers a glimpse into the world where these challenges are already a thing of the past. Inspired by biomimicry, sustainability, artificial intelligence and information technology in general, the concept draws on technologies that are already being developed in R&D centers around the world.
Autonomous transport is central to the whole idea. Drawing heavily on the principles of swarm robotics, the self-driving autonomos travel in tight clusters that shift their configurations to maintain an uninterrupted flow of traffic while allowing particular vehicles to reach their respective destinations. This so called "platoon mode" allows to vastly reduce energy consumption through reducing the aerodynamic impact on the vehicles further back down the platoon. Thanks to microwave sensors, the spaces between vehicles are reduced to mere 20cm (7.8 inches), as keeping a safe distance from cars ahead is no longer required. Another type of microwave detectors scan the road surface ahead to prime the suspension accordingly and provide a smoother ride.
Needless to say, the whole operation is run by computers. Each drive-by-wire autonomo has an onboard computer that crunches the data received from an array of sensors (e.g. radar, microwave, lidar, optical and infrared sensors) as well as from external feedback systems. This enables monitoring the road 200m (656 feet) in front and behind the vehicle, or a whole platoon of vehicles, regardless of weather conditions. The cars understand their surroundings well enough to anticipate any changes in the road environment and react to them much quicker that even the most experienced humans. Even the acute senses of the homo sapiens are no match to a set of hi-definition cameras coupled with object recognition technologies capable of interpreting human gestures and predicting the path of other vehicles, cyclists, pedestrians or any other potentially hazardous objects.
This local level of awareness is augmented by data streamed from a constantly updated centralized database responsible for the real-time balancing of mobility demands across the entire network. Such a database would be controlled by intelligent algorithms that learn from the information that is fed to them. Historical data and the data collected in real time would be used to efficiently match the infrastructure real estate with the changing demands of ever fluctuating traffic.
All this would be achieved without overhauling the existing road infrastructure. Instead of making roads wider to accommodate new lanes, Rattray chose to make his concept car a 1.15m (3.77 feet) wide two-seater. This doubles the throughput of our roads, with two autonomos fitting abreast in a single lane. Maneuverability is additionally improved by a tilting design and by wheels that allow movement in all directions (just like in case of a certain crawler robot we covered recently).
The aerodynamic body shares the length and the the wheelbase of a 2009 Mini Cooper, but - unlike the Mini - it is covered with two transparent photovoltaic layers that harvest electric energy to be stored in ultra-efficient lightweight batteries and passed on to the in-wheel motors. Since the passengers are not busy driving, they can enjoy the views through opaque, one-way vision windows or amuse themselves by playing around with the on-board augmented reality screen. Charging the vehicle through electrodynamic induction or energy transfer lasers is done wirelessly and can be performed on the go, via charging pads embedded in the road surface. Energy can also be shared within a platoon.
Without a doubt, this project exceeds the highest expectations you might have of a student endeavor. In fact, this is one great piece of serious conceptual design that brings to the table something more than eye candy. Speaking of which, head down to see the presentation video and check out the gallery!
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