ADAS & Autonomous Vehicle Engineering - January 2023 - 15
Sensors
the smells into our nose; the brain, in turn, interprets the
pattern from these inputs and determines that the smell
is strawberries, or a day-old tuna sandwich, for example.
" We graft the peptides onto a slicken surface
using a chemical process. With this, the sensor we've
created recognizes a pattern based on interferometry,
which is much more cost-effective and scalable than
the previous SPR [surface plasmon resonance) reflective
technology we were using in early development, "
Jordan explained. " So, it's not doing chemical analysis;
it's doing pattern recognition and turning the pattern
into the equivalent of a picture. We then store that
picture as a 'fingerprint' in a digital library for recall. "
Aryballe uses proprietary machine learning to
" teach " the device as more and more odors are encountered
and captured. Jordan said the Aryballe sensors
are powerful and accurate. They're able to distinguish
between different brands of cola, between cigarette
smoke and marijuana smoke, or cigar smoke and smoldering
seat fabric, for example, as well as the level of
intensity of the smoke smell.
Aryballe is building the ontology, a portal, through
which the vehicle cabin odor data collected by the sensor
can be uploaded to the cloud, for almost real-time
Aryballe aims to " take the human being out of the vehicle-interior
cleaning decision, " noted EVP Terri Jordan.
access by fleet operators. Jordan said vehicle OEMs
will create their own parameters for odor detection.
" We can build a 'library of smells' for them, or
maybe they use a more generic cloud-based library. "
Once Aryballe and customers have validated the
onboard sensor to automotive spec, " we want to be
inside vehicles in three years, " she said. ■
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ADAS & AUTONOMOUS VEHICLE ENGINEERING
January 2023 15
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Lindsay Brooke
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ADAS & Autonomous Vehicle Engineering - January 2023
Table of Contents for the Digital Edition of ADAS & Autonomous Vehicle Engineering - January 2023
ADAS & Autonomous Vehicle Engineering - January 2023 - CVR1
ADAS & Autonomous Vehicle Engineering - January 2023 - CVR2
ADAS & Autonomous Vehicle Engineering - January 2023 - 1
ADAS & Autonomous Vehicle Engineering - January 2023 - 2
ADAS & Autonomous Vehicle Engineering - January 2023 - 3
ADAS & Autonomous Vehicle Engineering - January 2023 - 4
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ADAS & Autonomous Vehicle Engineering - January 2023 - CVR4
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