Autonomous Vehicle Engineering - May 2021 - 29
ADAS
Stepping Into
SAE Level 3
by Bill Visnic
Honda and Toyota release new advanced driver-assistance
systems that help to demarcate - or blur - the differences
between SAE Level 2 and Level 3 capability.
Honda's L3 functionality
Honda and Toyota each recently announced the
AUTONOMOUS VEHICLE ENGINEERING
Honda's formal description of Traffic Jam Pilot:
" While driving using the Adaptive in Lane Driving,
if the vehicle gets caught in traffic congestion, under
certain slow-speed conditions, the system can take
control of acceleration, braking and steering while
monitoring the vehicle's surroundings on behalf of
the driver. The system " drives, stops, and resumes
driving within the same lane while maintaining a
proper following interval in accordance with the
speed of the vehicle detected ahead. While the
vehicle is under the control of the system, the driver
Honda
release of new, more-sophisticated driver-assistance
systems for a special range of vehicles available in Japan
starting in March 2021. Honda attracted global attention in November 2020, when it announced the Honda
Legend fitted with Honda Sensing Elite would be the
first vehicle ever awarded " type designation " from
Japan's Ministry of Land, Infrastructure, Transport
and Tourism (MLIT) for a driver-assistance system
of SAE Level 3 capability.
The Legend is joined by Toyota's 2022 Mirai
and Lexus LS500h equipped with Advanced Drive,
a system that, according to the company, embodies
its " Mobility Teammate Concept. " This is an automated driving concept unique to Toyota that " seeks
to enhance communication between drivers and
cars, enable them to reach out to each other for
mutual assist. " Toyota made no direct statement
about Advanced Drive's position in the SAE Levels
of Automation hierarchy. The system does not offer
the feature that Honda said elevates its Sensing Elite
to Level 3 capability
The new systems continue to blur the descriptions of - and differences between - SAE Level
2 and Level 3 driver-assistance. Their close introduction in production models also helps to clearly
demarcate the chief differentiator between Level 2
and Level 3 capabilities.
The Japan-market Honda Legend's steering-wheel indicators light blue to
signal hands-off driving is permissible.
May 2021 29
Autonomous Vehicle Engineering - May 2021
Table of Contents for the Digital Edition of Autonomous Vehicle Engineering - May 2021
Autonomous Vehicle Engineering - May 2021 - CVR4
Autonomous Vehicle Engineering - May 2021 - CVR1
Autonomous Vehicle Engineering - May 2021 - CVR2
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Autonomous Vehicle Engineering - May 2021 - CVR4
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