Dacia Jogger – a virtual project close to reality – Francuska.pl – Dziennik Motoryzacyjny

Automotive design has changed a lot over the past few decades. Designers replaced pencils 3D modelingand engineers are testing future designs long before the first physical prototypes see the light of day. How? Thank you CAVE (Automatic Virtual Environment Cellar), a virtual reality system that allows them to move around and inside the vehicle during the design phase. The Dacia team tested this total immersion at the Titu Technical Center in southern Romania. The interior layout possibilities and the habitability of New Dacia Jogger have thus been optimised. Here is their story.

While the trip to the future reminiscent of Marty McFly aboard the famous DeLorean DMC-12 converted by “Doc” is still science fiction, thanks to new technologies in the automotive industry, you can already be a bit in forward to the present. We take the road again towards Tito, where the engineers are already living extraordinary adventures, sitting in models… which do not yet exist. It is a city of less than 10,000 inhabitants located 45 minutes by car from Bucharest. It houses the Renault group’s second largest test center in the world. The most modern technology, track networks, dozens of research stations, “torture chambers” for testing the resistance of materials and … the CAVE room, that is to say Automatic Virtual Environment Cellar. Ionut, product ergonomics manager, invites us here to dive into a parallel universe. In order – paradoxically – to get as close as possible to reality.

CAVE is a tool that allows the user to come into contact with the simulation of reality. We can get into the car and assess how the driver and passengers perceive safety, ergonomics and comfort, then make corrections in real time – Ionut, product ergonomics manager

Five walls, ten projectors and six million pixels

CAVE is an excellent tool for validating design solutions for new vehicles, even before the production of their first physical prototypes. With stereoscopic films projected onto five walls, the immersive space surrounds users with a multidimensional reality. They can move around the car and enter as if it were a real scale model. After a complete inspection with the 3D glasses and thanks to the many interactions between testers, it only takes a few clicks to modify the design of the vehicle. Everything is checked with the precision of six million pixels: the ergonomics of the dashboard controls, visibility in all corners of the vehicle, accessibility, comfort and design.

CAVE is a system that complements other tools such as virtual reality glasses. Thanks to the resolution that matches the resolution of the human eye and the interactivity between users, the car is perceived as it is in real life – Andras, Renault Group Expert Leader, Immersion and VR Simulation

The virtual reality system makes it possible to validate the characteristics of the vehicle very early in the design phase. By reducing the number of physical prototypes and limiting changes during the final design, we save more than 2 million euros per year – Ionut, product ergonomics manager

A new virtual world

Walking the mountain roads without getting out of your bedroom may seem impossible. However, with CAVE, testers often perform complex tasks. For example, to test the third row of seats in the new seven-seater family Dacia Jogger, a mixed group of thirteen people was selected and transferred to a virtual world. Young and old (anthropometric measurements are analysed!), women and men, representatives of various professions… the conditions for selecting testers are very precise, so that the perception of the car is as close as possible to reality. The virtual road is also set up to test all the sensations: passive driving (a video is broadcast which creates the illusion of driving even if the pedals are not active), static pleasure (visibility, ergonomics, design), physical sensation (comfort, safety). In the case of the New Jogger, the user experience of CAVE immersion prompted the designers to modify the architecture of the vehicle: the second row of seats was moved forward by 20 mm!

We have optimized our interior reconfiguration solutions and created a very comfortable third row for all passengers. We were able to reposition the seats in real time without delaying the project schedule – Ionut, product ergonomics manager

In the future, multiple users will be able to interact simultaneously in the same vehicle, working together. Various mini LED technologies will soon allow CAVE systems to be built into ordinary rooms for design analysis, which will speed up the approval of design solutions – Andras, Renault Group Expert Leader, Immersion and VR Simulation

Rapid approval, multiple tests, cost reduction, interaction with the user, this tool has many advantages that reflect the DNA of the DACIA brand. A brand that offers cars adapted to customer requirements! New Jogger buyers can confirm this.

source: Renault Poland

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