A leading passive safety system provider ZF LIFETEC, revolutionizes vehicle safety and design with the ACR8.S active belt tensioner integrated into seats, elevating the future of connected and automated driving. This design innovation grants greater freedom for vehicle interior layouts while boosting occupant safety. The ACR8.S tightens seat belts during critical driving like automatic emergency braking, repositioning occupants in the safest seating position before a potential crash.
The electric drive unit of the ACR8.S system facilitates several advanced safety functions. During automated emergency braking, the system tightens the seat belt, offering better driver support and enhancing driving enjoyment. The belt also issues warnings during highly automated driving, signaling the driver to take control of the vehicle when necessary.
Unmatched Pre-Crash Protection
When vehicle sensors detect an unavoidable crash, a pyrotechnic belt tensioner activates, pulling the occupant’s upper body towards the seat backrest within milliseconds. This action, combined with airbag deployment, significantly reduces the risk of serious injuries by managing occupant movement and impact energy.
Modular System and Functional Diversity
The ACR8.S offers a modular system with nine setup combinations, including a webbing motion sensor and an electric drive unit. These components enable numerous optional functions, such as haptic warnings. During automated driving, belt vibrations alert the driver to take over, while high-frequency pulsations signal the need for active intervention in different situations. These tactile signals prove more effective than visual or auditory alerts, ensuring quicker reaction times.
Comfort and Sportiness
Beyond safety, the ACR8.S enhances comfort by allowing a lower tension level, ensuring the seat belt rests lightly against the body. This feature ensures the seat belt fits comfortably without being too tight, making the driving experience more enjoyable. For sporty driving, the ACR8.S accesses vehicle navigation data to tighten the belt, providing occupants with additional support.
The compact design of the ACR8.S suits seat-integrated applications, offering benefits in vehicles like convertibles and coupes without a B-pillar. This proves crucial for the future of autonomous driving, facilitating new interior concepts. By integrating the seatbelt into the seat rather than the B-pillar, vehicle interiors gain flexibility, allowing seats to move and rotate freely.
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