Autonomous Vehicle Engineering - July 2021 - 5
Cover Story
"
Because of the complexity of the AV safety challenge, you can't do it all in
the physical world and you can't do it all in simulation.
"
into AVs. It's a different mindset for creating test
cases and scenarios - rounding a curve without lane
markers with a truck coming in the opposite direction,
for example. Developing a scenario where you
can encounter thousands and in some cases millions
of events, and testing for repeatability within that
scenario. Even then, however, you must factor in all
the potential weather conditions. And manage the
mountain of data as the testing proceeds. "
Compare AV testing to traditional development of
an ECU, for example, that includes a hardware-in-the
loop (HIL) setup and a degree of road testing. With
ADAS and AV systems, the level of systems complexity,
the number of potential driving scenarios, and the
scope of the working environment and weather conditions
requires a greater range of frameworks for simulation,
track testing, data analysis and validation. " It's
an exponential transition, " Tasky said. " The cost and
time needed are enormous. And you can only come
up with so many test cases, because you've only got so
much time. So we focus on the 'edge cases'-the unique
areas that are so hard to discover. "
One key area of focus for Tasky's FEV team
is helping the customer in SOTIF (Safety of the
Intended Functionality) covering all five SAE
Levels of Driving Automation. A phalanx of challenges
facing them includes determining how ADAS
sensors operate with degraded functionality, or in
extreme environmental conditions.
" The only way to tackle it is to break it down into
manageable chunks and tasks, and into simple pieces.
We have teams looking at the edge-case scenarios on
the sensors level and on the systems level. We evaluate
each sensor individually then bring them together at
the system level and do more validation. " He said this
is where more simulation frameworks using " unique
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Autonomous Vehicle Engineering - July 2021
Table of Contents for the Digital Edition of Autonomous Vehicle Engineering - July 2021
Autonomous Vehicle Engineering - July 2021 - SPONSOR1
Autonomous Vehicle Engineering - July 2021 - CVR1
Autonomous Vehicle Engineering - July 2021 - CVR2
Autonomous Vehicle Engineering - July 2021 - 1
Autonomous Vehicle Engineering - July 2021 - 2
Autonomous Vehicle Engineering - July 2021 - 3
Autonomous Vehicle Engineering - July 2021 - 4
Autonomous Vehicle Engineering - July 2021 - 5
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Autonomous Vehicle Engineering - July 2021 - CVR3
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