Speeding innovation for industry
Success | Internet of things
Leti innovation stories
Now equipped with memory
Tires may seem simple enough, but they pack in some pretty advanced technology. Truck tires in particular must be able to withstand moving several tons over hundreds of thousands of kilometers. Tire maker Michelin hopes to make its truck tires even better by embedding memory right into the rubber. The memory would store the tire’s entire history, from manufacturing date and plant through to maintenance and retreading...
The memory is an RFID tag much
like those used on parcels stored in a
warehouse or on certain products found
on supermarket shelves. The challenge
is to make sure the tags work once
embedded inside the tire’s structure,
where they must overcome hurdles like
the tire’s metal plies, which interfere
with radio transmission; the distortion
that occurs with each rotation of the
wheel; and harsh road conditions like
temperature variations and impacts.
It took Leti and Michelin six years to
get the RFID tags to perform up to
their standards. To do so, they tested
a total of 50,000 tires over 6 billion
kilometers. Michelin is the world’s first
Resources and skills
CEA is a French government-funded technological research organisation in four main areas: low-carbon energies, defense and security, information technologies and health technologies. A prominent player in the European Research Area, it is involved in setting up collaborative projects with many partners around the world.