Autonomous Vehicle Engineering - May 2021 - 30

The 2022 Lexus LS 500h and Mirai fitted with Advanced Drive use a single, low-mounted front lidar sensor.

Elite, the comparatively narrow situation of low-speed,
heavy freeway traffic when no lane-changing is necessary or desired.
The company claims the system's development
encompassed some 800,000 miles (1.3 million
km) of expressway driving and " approximately 10
million patterns of possible real-world situations
were simulated. "

can watch television/DVD on the navigation screen
or operate the navigation system to search for a destination address, which helps mitigate driver fatigue
and stress while driving in a traffic jam. "
Stipulating that the driver's attention can be elsewhere while operating in Traffic Jam Assist mode is
the aspect that largely separates Level 3 operation
from Level 2. According to the SAE J3016 Standard
for the Levels of Driving Automation, the driver must
constantly supervise in all situations when using a
Level 2 driver-assist system. Meanwhile, Level 3
provides for fully automated operation, but only under
limited conditions - in the case of Honda Sensing

30 May 2021	

360-degree awareness
Honda

Honda's Level 3 Legend
employs front and rear
lidar to complement radar and camera sensing.

Critically, the Legend equipped with Honda Sensing
Elite is fitted with a robust array of sensors that
includes five lidar emitters - two on the front and
three at the rear. The information from lidar is fused
with that from five radar sensors and two front-facing
cameras to provide a 360-degree view of the Legend's
surroundings. Honda said the system also relies on
3D high-definition maps and global navigation for
dead-reckoning of the vehicle's position and other
information about road condition.
Similar to GM's Super Cruise and other automakers' Level 2 driver-assist technology, Honda
Sensing Elite also enables hands-off driving in an
expressway or Interstate-highway type of environment,
the company claims. But the system will go further
in hands-off operability by executing a lane change
without driver input. When the Active Lane Change
with Hands-off Function is enabled by the driver,

AUTONOMOUS VEHICLE ENGINEERING

Toyota

ADAS



Autonomous Vehicle Engineering - May 2021

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