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Electromagnetic Suspension for Automobiles

“Last December at the Future of Electric Vehicles conference in San Jose, a representative from The Netherlands’ Eindhoven University of Technology presented research that his institution had been doing into a novel type of electromagnetic vehicle suspension.

Now that a test car equipped with the suspension is about to appear at the AutoRAI exhibition in Amsterdam, the university has released some more details about the technology. For starters, it is claimed to improve the overall ride quality of cars by 60 percent.

The Eindhoven suspension is not only electromagnetic but also active, meaning that it doesn’t just mechanically respond to bumps in the road, but is controlled by an onboard computer. That computer receives input from accelerometers and other sensors on the vehicle, and adjusts the suspension accordingly within a fraction of a second.

While active suspension is nothing new (at least, not for cars), it has previously mainly been integrated into hydraulic systems. According to the Eindhoven researchers, however, hydraulics can’t react as quickly as their electromagnetic system, and therefore can’t match the smoothness of its ride.”

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