Twizy electric vehicle demonstrator highlights smart battery management

A Renault Twizy electric vehicle demonstrator has been on display at the CEA Tech showroom since April. It shows how the car’s smart energy management system—developed jointly by Leti, Liten, and List—works. It also showcases the car’s unique GPS, which combines geographical data (including topographic data) with data on the car’s remaining energy supply.
The demonstrator simulates a drive in the nearby Chartreuse mountains, showing how the system behaves according to how fast it is going and how steep the grade is. Digital video mapping gives a realistic view of the electrical current being used when the car is running or harvesting energy to recharge its batteries. It also shows how the car manages battery-pack incidents to ensure that the car maintains enough range to get the driver back home.

Contact: jean-bernard.poire@cea.fr

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