Truck & Off-Highway Engineering - October 2021 - 3

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Insightful comments from COMVEC
It was nice to finally attend an industry
conference in person, after a full year
and a half of exclusively joining such
gatherings virtually. Attending SAE
COMVEC 2021 in Chicago reminded me
that nothing beats face-to-face interactions,
even if those faces are still partially
covered by masks.
Experts at this year's COMVEC discussed
a range of topics, from heavyvehicle
cybersecurity (pg. 18) and Big
Data for connected and autonomous
vehicles to vehicle electrification and
renewable fuels (pg. 32). A sampling of
insights offered by engineering executives
during the conference's various
technical sessions:
John Kresse, director of advanced
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electrification technologies at Cummins:
" We need to figure out how we can
make use of the high-volume, passenger-car
EV components that are coming.
We have different requirements,
different durability, but that doesn't
mean we need everything custom. The
smartest, most successful people are
going to figure out how to reuse passcar
[systems and components] where
appropriate and make them our own. "
Benjamin Karrer, advanced technology
manager - 48V at Eaton, on
whether mild hybridization is a bridge
technology: " For long-haul applications,
some [experts] expect diesel engines to
still be part of the market in 2040. We
certainly believe that 48V systems accompanying
those diesel powertrains
are going to make sense over that lifetime.
So, if the definition of a 'bridge' is
out to 2040, then certainly it could be. "
Maarten Meijer, advanced technology
manager at PACCAR: " Today, there is a
significant difference in vehicle cost of
approximately a factor of three for battery-electric
vehicles (BEV) and a factor
of 9 for fuel-cell-electric vehicles (FCEV),
compared to its diesel equivalent. This
gap can be largely closed for BEVs by
2030 by reducing battery-pack and component
costs through the increased volume
of production and platform commonalities.
However, for FCEVs, a signifiTRUCK
& OFF-HIGHWAY ENGINEERING
cant gap will likely remain due to the added
complexity of the fuel cell and the hydrogen-storage
technologies. We see risk
there in terms of delta costs for fuel cells. "
Michael Puroll, chief engineer - system
architect at AM General, on unique challenges
posed by automation in off-highway
applications: " When you're in an offhighway
environment, you may not know
what your boundary conditions are, you
may not know what obstacle detection
you're looking at, depending upon the
decisions that have to be made. With military,
it gets even more difficult. Sometimes
decisions have to be made about, do you
go through an obstacle? Is it a friend or
foe situation? You don't necessarily want
to stop an automated vehicle in all conditions.
So, the what-if scenarios become
much greater in off-road situations. "
Ben Duprey, senior modeling and simulation
engineer at Mechanical Simulation
Corp.: " Long term, I shouldn't have to
worry about constantly acquiring data
'just in case.' The goal should be to learn
from other players in the environment and
make decisions based on that. At some
point, if that data - and more specifically,
if that information - becomes outdated in
some way, I no longer have to maintain it.
I'm more interested in making sure that
my decision-making is based on the most
current information and then maybe I
supplement it with some historical cases. "
Stephan Olsen, general manager at
PACCAR Innovation Center, on standardizing
use cases for autonomousvehicle
development: " Standardization
will certainly help create a level playing
field, it'll put us all on a common understanding
of what's required, but it's also
important to recognize that we're still in
the early days of developing these systems.
I'm looking at this through the lens
of a developer and the work we do with
our developers - there's a lot of exploration
yet to be unearthed that could
create opportunities in how we set regulations.
Locking down at this time is
probably premature and might prevent
some opportunities to be discovered. "
Ryan Gehm, Editor-in-Chief
October 2021 3

Truck & Off-Highway Engineering - October 2021

Table of Contents for the Digital Edition of Truck & Off-Highway Engineering - October 2021

Truck & Off-Highway Engineering - October 2021 - CVR4
Truck & Off-Highway Engineering - October 2021 - CVR1
Truck & Off-Highway Engineering - October 2021 - CVR2
Truck & Off-Highway Engineering - October 2021 - 1
Truck & Off-Highway Engineering - October 2021 - 2
Truck & Off-Highway Engineering - October 2021 - 3
Truck & Off-Highway Engineering - October 2021 - 4
Truck & Off-Highway Engineering - October 2021 - 5
Truck & Off-Highway Engineering - October 2021 - 6
Truck & Off-Highway Engineering - October 2021 - 7
Truck & Off-Highway Engineering - October 2021 - 8
Truck & Off-Highway Engineering - October 2021 - 9
Truck & Off-Highway Engineering - October 2021 - 10
Truck & Off-Highway Engineering - October 2021 - 11
Truck & Off-Highway Engineering - October 2021 - 12
Truck & Off-Highway Engineering - October 2021 - 13
Truck & Off-Highway Engineering - October 2021 - 14
Truck & Off-Highway Engineering - October 2021 - 15
Truck & Off-Highway Engineering - October 2021 - 16
Truck & Off-Highway Engineering - October 2021 - 17
Truck & Off-Highway Engineering - October 2021 - 18
Truck & Off-Highway Engineering - October 2021 - 19
Truck & Off-Highway Engineering - October 2021 - 20
Truck & Off-Highway Engineering - October 2021 - 21
Truck & Off-Highway Engineering - October 2021 - 22
Truck & Off-Highway Engineering - October 2021 - 23
Truck & Off-Highway Engineering - October 2021 - 24
Truck & Off-Highway Engineering - October 2021 - 25
Truck & Off-Highway Engineering - October 2021 - 26
Truck & Off-Highway Engineering - October 2021 - 27
Truck & Off-Highway Engineering - October 2021 - 28
Truck & Off-Highway Engineering - October 2021 - 29
Truck & Off-Highway Engineering - October 2021 - 30
Truck & Off-Highway Engineering - October 2021 - 31
Truck & Off-Highway Engineering - October 2021 - 32
Truck & Off-Highway Engineering - October 2021 - 33
Truck & Off-Highway Engineering - October 2021 - CVR4
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https://www.nxtbook.com/smg/sae/21TOHE08
https://www.nxtbook.com/smg/sae/21TOHE06
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