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| Future trends in vehicle dynamics | |
June 2008 |
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| ZF Dr Hans-Jörg Domian, advanced chassis and driveline engineering senior manager "The future will bring demands for reduced costs, fuel consumption, emissions, weight and installation space, along with enhanced comfort, safety, and driving dynamics. "There is still potential in basic suspension design: new approaches in design, calculation and materials can reduce the weight of chassis parts by up to 50 per cent; the Sensitive Damping Control used in the Mercedes-Benz C-Class or Hyundai Genesis is a self-contained system that reduces the target conflict of axle/body damping without electronics. "Two valves distribute the damping. The standard valve handles small excitations, a second valve on the piston rod suspended between springs allows a certain play for larger disturbances. "We see a general trend towards better ride comfort. We already sell active front steering, active roll stabilisation and continuous damping systems and growth rates are greater than 35 per cent. "Ride and handling can improve further when several systems network. Our Intelligent Wheel Dynamics concept combines active driveline and chassis units to create a vehicle that supports the driver in critical driving situations. "Our rear axle “Vector-Drive” can distribute the torque between the left and the right wheels in all-wheel as well as rear-wheel drive vehicles. It generates a supportive steering motion so that drivers get extra agility and the vehicle remains more stable. Unlike ESC, the vehicle can be stabilised without being decelerated."
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Dr Hans-Jörg Domian,
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