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The all-new G-Class makes its public debut at the Detroit auto show in G550 form. Completely redeveloped and fitted with a 4.0-liter V8 biturbo gasoline engine offering 427ps and 450 lb-ft of torque at 2,000rpm to 4,750rpm, despite near-identical looks to its predecessor plenty has changed for the Mercedes-Benz SUV.


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In light of Fisker's solid-state battery breakthrough and claims of a one minute charge time, will this electric vehicle technology development kick-start mass BEV uptake? 

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Project FEVER to develop 48V hybrid vehicle technology

Controlled Power Technologies – a developer of vehicle driveline electrification based on state-of-the-art switched-reluctance machines (SRMs) – has partnered with Ricardo, Tata Motors European Technical Centre (TMETC) and Provector to apply its low voltage electric motor technology to the rear driveline of a B-segment city car.

The consortium has secured a funding award from Innovate UK, the UK’s innovation agency, who will be contributing £1.8m (US$2.6m) of the total £3.4m (US$4.9m) investment.

The investment will help to further introduce advanced mild hybrid functionality to mainstream vehicles at significantly reduced cost to that of high voltage plug-in hybrid or pure electric vehicles. The innovative electrified rear axle technology will be an important step in enabling OEMs to further improve both regulated and real-world fuel economy in modern urban city driving conditions.

The objective of the two-year project is to achieve a CO₂ reduction of up to 15%, over the regulatory cycle, through the development of two through-the-road hybrid demonstrator vehicles. Integrating the electric motor within the rear axle will enable features such as low speed electric driving or e-creep, as well as electrically assisted all-wheel drive, which will deliver additional significant savings over a typical representative city drive cycle. The technology will allow a car maker to reduce the in-use carbon dioxide emissions of such vehicles by approximately 25g/km.

CPT will lead the project and will be responsible for developing the electric motor and control system, and will support their integration into the rear axle module. Provector has extensive experience in the control and management of advanced lead-carbon battery chemistry through projects such as ADEPT and its involvement with the Advanced Lead Acid Battery Consortium. Ricardo's key responsibilities within the project will be the design and analysis of the integrated 48V rear axle module, development of the supervisory vehicle control system, sub-system testing and project management support, building on its previous work on the ADEPT and ULTRAN projects. TMETC will supply the base vehicles, develop the suspension solution and provide support for the application of the technology and overall vehicle integration and testing.

“This programme will require a high level of project management and engineering cooperation,” said project director Peter Scanes, senior manager responsible for vehicle OEM mild hybrid programmes at CPT. “Not least in the unique application of a low voltage high temperature tolerant SRM, which has to be oil-cooled and packaged as efficiently as possible into a rear axle and suspension module complete with advanced lead-carbon battery.”

Stephen Doyle, Ricardo hybrid and electronic systems product group head, added, “The mass roll-out of electrification within the urban transportation fleet will require new and innovative power architectures that provide a performance, value and emissions trade-off that will be attractive to potential customers. Ricardo believes that a 48V electrified rear axle offering through-the-road hybrid performance – including significant ‘engine-off’ operation – will be highly attractive for many market segments but particularly for those that predominate in urban transportation.”

The FEVER project will run for two years and will culminate in the development of two through-the-road, 48V electrified rear axle demonstration vehicles.

May 17, 2016

17 May 2016


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