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The life-saving real world results of intelligent vehicle systems

Date:
December 19, 2012
Source:
European Commission, CORDIS
Summary:
Smart automotive technologies that help drivers avoid collisions, navigate and improve fuel efficiency should make roads safer, ease congestion and reduce pollution. But just how beneficial are they? Potentially very, according to vehicle manufacturers, researchers and automotive suppliers.

Smart automotive technologies that help drivers avoid collisions, navigate and improve fuel efficiency should make Europe's roads safer, ease congestion and reduce pollution. But just how beneficial are they? Potentially very, according to vehicle manufacturers, researchers, automotive suppliers and other stakeholders who answered that question in a landmark EU-funded project.

More than 30,000 people die in traffic accidents every year in Europe -- an average of 85 people every day -- and more than a million are injured. Research shows human error is a factor in 90 % of accidents.

EU-wide, the road death toll has declined significantly in recent years thanks to a combination of increasing driver awareness, tougher laws and technological developments -- from air bags to electronic stability control systems -- that have made drivers and passengers safer.

Now a range of new smart technologies are starting to be fitted into cars that, if used widely, could reduce the number of accidents even further, and in the process save on fuel, cut emissions and reduce traffic jams.

That is the overall conclusion of the team behind the 'European field-operational test on active-safety functions in vehicles' ( euroFOT) project, which carried out the first ever Europe-wide field operational test to assess the benefits of 'Intelligent vehicle systems' (IVS) on traffic safety and efficiency.

With the support of almost EUR 14 million in funding from the European Commission, a thousand cars and trucks equipped with advanced systems travelled 35 million kilometres on Europe's roads for more than a year while the euroFOT team gathered data from in-vehicle sensors, cameras and driver questionnaires.

Eight IVS technologies were tested, including 'Adaptive cruise control' (ACC), which uses radar to maintain a pre-set distance from the vehicle in front, and collision warning systems that alert drivers to potential front-end collisions. Curve-speed warning systems, blind-spot detectors, fuel efficiency monitors and navigation systems were also tested.

'When a new technology is developed it is usually tested individually, but a field operational trial using real drivers in real vehicles in real traffic conditions allows us to assess how these systems perform in the real world and how ordinary drivers interact with them,' explains Aria Etemad, a senior research coordinator at Ford Research & Advanced Engineering Europe in Germany.

Fewer accidents, less congestion, better fuel efficiency

The team found, for example, that cars equipped with both ACC and 'Forward-collision warning' (FCW) systems could have a positive impact of up to 5.7 % on the number of accidents on motorways that result in injury or death.

Fewer accidents, in turn, the euroFOT researchers calculated, should lead to less motorway congestion, reducing the total amount of time drivers spend sitting in traffic jams across the EU by more than three million hours. And, it turns out, the use of ACC and FCW systems result in more efficient driving, reducing fuel consumption by an average of 3 % -- as much as 7 % in some vehicles -- without taking into account the positive impact on road congestion.

'The data shows that there are widespread social and economic benefits from IVS technologies, in addition to avoiding potential accidents,' Mr Etemad, the euroFOT coordinator, says. 'We also noted that the use of these systems has a positive impact on drivers' experiences, they felt safer, more supported and more comfortable.'

Surveys of drivers, conducted before, during, and after they took part in the trials, showed that more than 70 % believed systems such as ACC, FCW and other tested technologies such as speed regulation systems, curve-speed warning and blind-spot detectors helped reduce critical situations and made them safer. Navigation systems, the researchers found, also had a positive impact on driver behaviour, reducing sudden lane changes and harsh braking, for example.

'There is a lot of interesting information that can be gleaned from this research, and there is a lot of data that still needs to be analysed. In total we generated more than 100 terabytes of data and will soon make more than 1,500 pages of our reports publicly available,' the coordinator says.

Raising awareness of the benefits of IVS

On the one hand, the 28 euroFOT partners want to increase awareness about the benefits of IVS technologies. Mr Etemad notes, for example, that many drivers who participated in the project had little idea about what different systems do before they began the trials.

On the other hand, automotive and research partners plan to use the data to further improve IVS systems in terms of both functionality and performance and human-machine interaction. They have already proposed a follow-up project to carry out a more in-depth analysis of the data.

In the future, Mr Etemad envisions integrated IVS being developed, incorporating multiple technologies that can more easily and widely be fitted to vehicles than current stand-alone systems. In addition, further analysis of the data could also lead to entirely new systems, for example, as developers gain a clearer idea of the kind of support drivers need to improve their safety, comfort and driving habits.

Meanwhile, other stakeholders also plan to make use of the research. Project partner Allianz Insurance, for example, is considering using the results of the euroFOT study for its insurance products.

'Allianz Insurance is now in a better position to create new insurance products which take into account the accident- and claim-reduction potential of driver-assistance systems,' says Johann Gwehenberger, head of Accident Research, AZT Automotive, Allianz Center for Technology, Germany. 'We aim to extend loss-prevention activities by, for example, motivating drivers and fleet owners to buy and use promising driver-assistance systems.'

In the long run, Mr Etemad believes that increasing awareness of the benefits of IVS will lead to increasing demand. Ultimately, that will lead to more widespread deployment, safer roads, fewer accidents and a range of other social and economic benefits -- fulfilling key goals of the EU's 2011-2020 road-safety action plan that aims to halve the number of road deaths within a decade.


Story Source:

The above story is based on materials provided by European Commission, CORDIS. Note: Materials may be edited for content and length.


Cite This Page:

European Commission, CORDIS. "The life-saving real world results of intelligent vehicle systems." ScienceDaily. ScienceDaily, 19 December 2012. <www.sciencedaily.com/releases/2012/12/121219084052.htm>.
European Commission, CORDIS. (2012, December 19). The life-saving real world results of intelligent vehicle systems. ScienceDaily. Retrieved July 22, 2014 from www.sciencedaily.com/releases/2012/12/121219084052.htm
European Commission, CORDIS. "The life-saving real world results of intelligent vehicle systems." ScienceDaily. www.sciencedaily.com/releases/2012/12/121219084052.htm (accessed July 22, 2014).

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