july2023 - 33

However, significant consideration was given both
to available and yet-to-be available technology,
and the interface is expected to be backwards
compatible, yet expandable.
The more than 50 technical criteria identified
by S.1 falls into the following categories:
1. Compatibility;
2. CAN networks and related ABS/EBS databus
recommendations;
3. Ethernet network
recommendations;
4. Recommendations for
additional pins and pin
assignments;
5. Intellectual property
discussions and
recommendations.
Council fleet members
continued to study these design
proposals during a series of
webinars in April and May
and soon will provide feedback
through a detailed survey that
TMC staff will administer.
Following this, task force
members will be asked to evaluate
how well each prototype
would provide for the trailer
support needs of the " guiding
principles " as well as the
desired technical performance
criteria. The Task Force's findings
will then be presented at
TMC's 2023 Fall Meeting in
Cleveland, Ohio in September.
Soon after, TMC would
then likely begin the process
of developing a Recommended
Engineering Practice to
finalize the criteria for a new
standard design.
Electronics are going to
become increasingly prevalent
on smart trailers and
OEMs
and others need to
take note. The recommendations
from TMC's S.1 and S.7
Task Forces and other organizations
will ensure that
effective future standards
are set as trucks and trailers
become more autonomous,
self-diagnosing, and integrated
with other devices. The
sheer volume of multi-megabyte
cybersecure dataflows
and the bi-directional power
flows between tractors, trailers,
and dollies will require
multi-voltage
systems
for
future 24- and 48-volt, with
even high voltages where
electric supplemental drive
axles and regenerative braking
on trailers may come into
play. Trailers are ever more
a global commodity, and the
one potential of the TMC
effort may well be to identify
Power.
Performance.
Protection.
nce.
ce.
on.
on.
ce.
a worldwide solution that still is able to meet the
unique needs of the North American market.
TMC recognizes that the challenges facing
future combination-vehicle connectivity are not
easy. With millions of trailers in use with as much
as 20 years of expected service life in many duty
cycles, protecting the investments in these legacy
assets is paramount, and the reality of fleet
operations will require a " mixing and matching "
of multiple generations of units and technologies
on an ongoing basis. While adoption of a new tractor/trailer
connection will be organic and market
driven, TMC is engaged in this process to provide
transparency and objectivity so that the transition
can be rational, driven by practicality, and
ultimately best meet the needs of fleets.
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July 2023 | FleetMaintenance.com
33
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july2023

Table of Contents for the Digital Edition of july2023

Hitched Up – Using AI without losing what's important to your business
Equipment – AEB adoption speeds ahead
In The Bay – Bright ideas to speed up lighting and electrical repairs
Shop Operations – Battle of the bulging budget
Lubrication – Greasing: Manual or auto?
APUS – APU innovations take heat off fleets
Diagnostics – Don't distress; de-stress your diagnostic process
Technology & Maintenance Council Annual Meeting & Skills Contest
Fleet Parts & Components
Tools & Equipment
Product Spotlight: Wheels and brakes
july2023 - 1
july2023 - 2
july2023 - 3
july2023 - 4
july2023 - 5
july2023 - Hitched Up – Using AI without losing what's important to your business
july2023 - 7
july2023 - Equipment – AEB adoption speeds ahead
july2023 - 9
july2023 - 10
july2023 - 11
july2023 - In The Bay – Bright ideas to speed up lighting and electrical repairs
july2023 - 13
july2023 - 14
july2023 - 15
july2023 - 16
july2023 - 17
july2023 - Shop Operations – Battle of the bulging budget
july2023 - 19
july2023 - 20
july2023 - 21
july2023 - Lubrication – Greasing: Manual or auto?
july2023 - 23
july2023 - APUS – APU innovations take heat off fleets
july2023 - 25
july2023 - Diagnostics – Don't distress; de-stress your diagnostic process
july2023 - 27
july2023 - Technology & Maintenance Council Annual Meeting & Skills Contest
july2023 - 29
july2023 - 30
july2023 - 31
july2023 - 32
july2023 - 33
july2023 - 34
july2023 - 35
july2023 - 36
july2023 - 37
july2023 - Fleet Parts & Components
july2023 - 39
july2023 - Tools & Equipment
july2023 - 41
july2023 - Product Spotlight: Wheels and brakes
july2023 - 43
july2023 - 44
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