Automotive Engineering - March 2024 - 28

Sensor fusion expanding in step with advancing
VEHICLE SOPHISTICATION
For vehicles
employing the
latest ADAS/
AV technology,
there may be
from 60 to
100 onboard
sensors, even if
the vehicle has a
conventional IC
powertrain.
terns and automate a controlled response, such as determining
the position and speed of a vehicle and
swerving or braking suddenly to avoid a pedestrian
crossing in front of the vehicle.
Exploring alternative sensing
technologies
In addition to leveraging sensor fusion, OEMs and system
suppliers are exploring the use of alternative
sensing technologies to further reduce costs.
Technologies using Eddy Current and xMR (magnetics)
are emerging as potential alternatives for resolvers,
a passive transformer technology traditionally employed
for measuring rotary position.
The adoption of these alternatives will primarily be
Vehicle-to-vehicle (V2V) and vehicle-to-everything (V2X) communications are
another consideration in onboard sensor usage.
temperature and humidity sensors, enabling a vehicle HVAC system
to automatically activate windshield defogging and wiper systems.
Sensor fusion also refers to using sensors, high-speed data connectivity,
artificial intelligence and machine learning to provide situational
awareness and act on changing environmental and operational conditions.
For SAE Level 2 to Level 5 automated driving functionality, sensors
help enable varying levels of automation. Lidar, cameras, radar
and vision technology facilitate vehicle-to-vehicle (V2V) and vehicleto-infrastructure
(V2X) communications, increasing process efficiency
and reducing the need for sensors to 30 or fewer. Fully autonomous
vehicles use sensor fusion to collect and integrate data, recognize pat28
March 2024
evaluated based on their cost-effectiveness relative to
performance. Depending on the end application and
performance requirements, these solutions may be
adequate and, as a result, cannibalize existing business.
For example, in systems where a secondary eMotor
serves as a backup, the performance requirements
may be lower than for the primary motor. In such cases,
opting for a sensor technology that presents a moe
cost-effective solution, even with a slightly lesser performance,
could represent the better strategic and
economical choice.
High-resolution wheel-speed sensors have four
times the resolution of legacy wheel-speed sensors.
Improved resolution increases vehicle-position accuracy
in areas where GPS is unavailable and supports
enhanced ADAS features such as lane keeping, lane
departure and vehicle positioning. The improved accuracy
facilitates quicker updates on vehicle movement,
aiding in maneuvers such as automated parking
in tight spaces. When it comes to eBraking, systems
AUTOMOTIVE ENGINEERING
BOTH IMAGES: TE CONNECTIVITY

Automotive Engineering - March 2024

Table of Contents for the Digital Edition of Automotive Engineering - March 2024

Automotive Engineering - March 2024 - INTRO
Automotive Engineering - March 2024 - SPONSOR
Automotive Engineering - March 2024 - CVRA
Automotive Engineering - March 2024 - CVRB
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