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Digital twin of Nardò handling track created for EV evaluation

Adam GavineBy Adam GavineApril 29, 20223 Mins Read
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A LiDAR scan of the handling track at Nardò Technical Center in Italy

UK software specialist, rFpro, is developing a highly accurate virtual model of the handling track at Nardò Technical Center in Italy. The digital twin will enable vehicle manufacturers to accelerate development of next-generation electric vehicle platforms by testing them in a fully representative virtual environment before correlating and validating the results on the track.

“As the industry moves from ICE to electrification, vehicle dynamicists are having to re-write their rule book,” stated Matt Daley, operations director at rFpro. “The way an electrified powertrain interacts with the chassis is significantly different to that of a traditional engine. As a result, vehicle dynamic engineers want to accelerate their understanding of this change to prevent issues arising later in the development cycle.”

The digital-twin of the Nardò handling circuit will allow engineers to assess and benchmark vehicle performance quantitively at the start of the design cycle. This includes optimising the trade-off between motor type and size against battery sizing to meet range and acceleration targets. It also facilitates driver-in-the-loop simulations for additional subjective assessments, such as ride and handling.

The 6.2km-long handling track features a 1km straight and 16 corners of varying radius and speed. Its layout, which includes crests, bumps and kerbs, makes it ideal for developing new chassis technologies.

To be effective as a development tool, the digital twin has to correlate accurately with this complex circuit. rFpro is using phase-based laser scanning survey data to create models with an accuracy of around 1mm in Z (height) and in X and Y (position).

The TerrainServer surface model has been used to create high-definition surfaces. By capturing detailed surface information that is missed by point-based sampling methods, TerrainServer allows very high correlation with the actual road surfaces used during physical testing. This enables the use of the digital model for vehicle dynamics applications, even allowing ride and secondary ride experiments to be conducted by real-time models on driving simulators.

“The Nardò proving ground is a world-class, controlled environment for track-based vehicle dynamics development,” added Daley. “An incredibly detailed digital model of it becomes an integrated part of a customers’ continuous software development tool-chain, significantly reducing overall engineering development and validation time – and therefore cost.”

Antonio Gratis, managing director of the Nardò Technical Center stated, “By creating a digital twin of our handling track, we will enable manufacturers to speed up their chassis development programs for systems such as suspension, steering and braking. Through simulation, they can progress further and faster through the development process and arrive at the track with a more mature design, making more productive use of all the available track time. We are also seeing demand from specialist suppliers, such as tyre manufacturers, who are continually seeking to reduce development lead times.”

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Adam Gavine
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Adam divides his time as an editor between the worlds of aviation and motoring. These worlds may seem a little diverse today, but autonomous technology and future urban mobility is bringing them ever-closer. Adam is also chairman of the Vehicle Dynamics International Awards.

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