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Eco7

Eco7 is an emerging team created on 1 January 2019, following the dissolution of LTE (Transports and Environment Laboratory), which takes up the themes of the VEH team (Hybrid and Electric Vehicles). It is composed of 8 permanent staff and about as many non-permanent staff (doctoral students and fixed-term contracts). The Eco7 team's research issues are part of the development of mobility that is as environmentally friendly as possible. Eco7 is located in Bron but an agent is based in Belfort for Fuel Cell activities.

Overview and challenges

Management, transformation and storage of energy are key points to reduce energy consumption and pollutant emissions from vehicles. The team's activity in this field is based on a system approach where multi-physical modelling of vehicles and their components is largely associated with an experimental approach to identification and validation.

The experimental work is based on a test platform composed of an engine test bench, battery test benches and fuel cell test equipment in collaboration with the FCLAB federation in Belfort. The numerical models are developed around a simulation platform: VEHLIB. Test vehicles are also used to fill in models and validate research.

Since 2013, JRT GEST (Joint Research Team Energy Management and Storage in Transport)  has been set up with the Ampère UMR CNRS 5005 laboratory in Lyon. The result of past collaborations, this JRT facilitates the synergy of the many joint projects on these themes. Research activities are also carried out in networks and research groups such as MEGEVH or SEEDS.

Addressed issues

Multi-criteria management of energy flows in conventional and innovative vehicles (electric, hybrid, fuel cells, etc.) taking into account, in addition to the energy criterion, pollutant emissions and the service life of critical components.

Optimal sizing of the powertrain components  according to the vehicle architecture and use and the control design of each component.

Optimal use of conventional and innovative vehicles (eco-driving, route selection, etc.). Research in this area includes the development and evaluation of safe and effective support systems for users.

Battery behaviour and ageing in real use for electric and hybrid vehicles. Indeed, the ageing laws are not well known today and are subjected to modelling and experimentation.