ZF shifts driver airbag on steering wheel. Here's why
By CARSIFU | 11 June 2024![](https://da4dkroembtou.cloudfront.net/wp-content/uploads/2024/06/airbag.jpg)
MUNICH: ZF LIFETEC has designed a new generation of steering wheel to expand the design possibilities of future-oriented interior concepts.
It has relocated the driver airbag to enable forward-looking design options for the steering wheel and its controls.
At present, the conventional driver's airbag, which has been around since the 1980s, is deployed frontal out of centre of the steering wheel.
But ZF LIFETEC, a company specialising in passive safety systems under Germany's ZF Group, is doing things differently.
In the event of an accident, its new driver airbag deploys from the top side of the steering wheel through the upper steering wheel rim towards the driver.
This new installation position of the airbag allows the horizontal spoke, including the hub, to have a seamless, smartphone-like design.
Force sensitive controls for the vehicle's entertainment and assistance functions are integrated behind a continuous surface.
This design blends seamlessly into the digitally designed dashboards of modern vehicle interiors.
"With this new concept, we are enabling design freedom for steering wheels without compromising safety," said ZF LIFETEC development head Harald Lutz.
The trend towards seamless design, which has become increasingly popular in recent years, can also be found in modern vehicle interiors.
Manufacturers are increasingly eliminating joints and gaps in the interior.
This is also reflected in innovative lighting options and displays, which are integrated throughout the vehicle interior.
This development will also continue with future steering wheels.
Seamless design variants with greater integration of HMI functions and new surfaces will decisively influence the appearance and functionality of tomorrow's steering wheel.
The seamless design not only opens many possibilities for the use of new materials and shapes, but also in terms of function.
On-demand functions (freely assignable fields), touch displays, or a central screen are now conceivable.
However, as the steering wheel is also a safety-relevant component in the vehicle, user-friendliness is paramount.
Hybrid solutions can therefore also be implemented with this concept. These include, for example, the combination of an alternatively rotary switch with a force-sensitive and tactile surface also integrated in the steering wheel as an anchor point, thus enabling the driver to operate the system safely.
These functions can also be combined with hands-on detection which is a component of current and future steering wheels.
A capacitive sensor under the leather surface recognises whether the driver is merely touching or safely gripping the wheel. This technology is a further module for safe vehicle control.
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