ADAS & Autonomous Vehicle Engineering - April 2023 - 10
Sensors
Lidar vs. Everybody
in the Onboard
Sensor Race
by Chris Clonts
Future vehicle systems will feature a reduced sensor array, but
still will need a technology combination for safe performance.
Despite the industrywide realization that SAE
driving automation Levels 4 and 5 are not imminent
and instead long-term goals, development continues
on the sensors that power current and future ADAS
systems and up to Level 3.
Nothing made it more clear that lidar was the
industry favorite than the 30-plus companies showing
versions of the tech at the 2023 Consumer Electronics
Show. That's an unstainable number, say industry
experts. They see the next few years consisting of
consolidation and many companies leaving the market.
But despite lidar's darling status, including Luminar's
prominent launch on the Volvo EX90 (https://www.sae.
org/news/2022/12/luminar-lidar-for-volvo-ex90), other
companies are banking on their sensor technologies,
ranging from spherical radar antennas to improvements
on current camera-vision systems.
Greg McGuire has an elevated view of what's taking
shape. As managing director of public-private partnership
MCIty, the autonomous- and connected-car proving
ground at the University of Michigan in Ann Arbor, he
has dozens of relationships with suppliers, OEMs and
researchers. SAE Media spoke with him about the state
of the sensor industry and where it is headed.
McGuire sees a future where the data from sensors
is commoditized by the OEMs, so that the sensors
could be used for multiple purposes. " The park assist
sensor, if it was producing parking information before,
now if they can get raw data from it, they could also
use it for lane keeping or collision avoidance up close, "
leading to fewer sensors, he said.
Opsys' small lidar unit uses two emitters on either side of a single collector.
It can be placed behind a windshield, a claim other lidar units can't match.
Lidar's leaders
In a little more than a year, Luminar has emerged as
a leader in automotive lidar. Showing its low-profile
design that is already deployed or being included
on vehicles from Volvo (EX 90), Polestar (3) and
10 April 2023
ADAS & AUTONOMOUS VEHICLE ENGINEERING
Chris Clonts
https://www.sae.org/news/2022/12/luminar-lidar-for-volvo-ex90
ADAS & Autonomous Vehicle Engineering - April 2023
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ADAS & Autonomous Vehicle Engineering - April 2023 - CVR1
ADAS & Autonomous Vehicle Engineering - April 2023 - CVR2
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