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Ricardo to develop new EV platform

It has been announced that Ricardo, in collaboration with its partners in the Low Carbon Vehicle Technology Project (LCVTP), is developing a new electric vehicle (EV) technology platform to demonstrate technologies capable of delivering acceptable performance across all vehicle market segments.

To date, most EV products and research demonstrators have focused upon urban city car segment applications in which vehicle power requirements and recharging needs have been addressed. But unlike city car applications, larger C/D segment electric vehicles still present fundemental engineering challenges when it comes to cost, range anxiety and real-world duty. At the same time, these larger vehicles, says Ricardo, represent a potentially more attractive target than city cars for reducing carbon dioxide emissions due to their typically higher fossil fuel consumption in conventional powertrain form.

Through its work with the LCVTP - a major research initiative which is part-funded by Advantage West Midlands and the European Regional Development Fund - Ricardo aims to develop technologies offering practical solutions to the challenges of EV applications across all vehicle segments, therefore demonstrating both the benefits that can be achieved through existing available technologies as well as the potential for integration of advanced EV architectures with future intelligent transportation infrastructure. For the purpose of this work, Ricardo will lead in the development of a technology demonstration platform based on a Freelander 2 SUV that has been loaned to the LCVTP team by project participant Jaguar Land Rover.

The EV technology demonstration platform will be developed through three key stages of work within the LCVTP. The first will see the vehicle converted from its respective conventional powertrain into a simple battery electric vehicle (BEV) incorporating efficiency optimized control strategies within the framework of a simple architecture based on conventional 3kW recharging rate. This basic BEV implementation is planned for completion in the spring of 2011. The stage two implementation, planned for completion in the summer of 2011, will incorporate location awareness and adaptive route control – therefore building on Ricardo's previous work in this area - along with vehicle level improvements and optimization of weight, parasitic losses and aerodynamics, demonstrating some of the achievements delivered by the work of Ricardo's fellow LCVTP partners.

The final stage of work on the new EV technology demonstration platform will see the vehicle developed into a range-extended electric vehicle (RE-EV) architecture incorporating an advanced auxiliary power unit (a gasoline engine integrated with a generator) developed within the project, for on-board battery recharging. Scheduled for completion towards the conclusion of the LCVTP in late 2011, this revised architecture will provide the basis for ongoing development of enhanced control strategies for HVAC and other systems to further optimize comfort and energy efficiency.

Following completion of its work on the LCVTP, Ricardo will continue to evolve the EV technology demonstration platform through further technological stages to realize the breadth and depth of research and development that Ricardo is investing in within this field.

15 February 2011


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