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Eco-design and Validation of In-Wheel Concept for Electric Vehicles

Eco-design and Validation of In-Wheel Concept for Electric Vehicles

Objective

Promotion of Electric Vehicles is strategic for the European Community, but nowadays battery performance is still poor and all forecasts for near future transport electrification suggest that A-B class EV cars with limited range are the first step to develop. Even in the actual economic crisis, global demand of A-B class cars is expected to grow by about 5.3% in 2010, with a positive sale scenario in the next years. In-wheel electric motor architecture holds major advantages for these A-B class, allowing high modularisation of the vehicle architecture, increased interior space and improved driveability. However, current existing solutions for in-wheel motor are still in prototype phases, resulting in non-existence of A-B class EV car commercialized and equipped with in-wheel motor, even though the predicted market for this technology is 100K vehicles for 2015.



The main objective of this proposal is the design, development and validation of a complete in wheel motor assembly prototype (electric motor, power electronics, reduction gear, structural parts and wheel), based on a McPherson corner suspension topology, to meet the defined car top level specifications. The main technical risks associated with the use of an in-wheel concept are the thermal stress under extreme operation conditions, vehicle dynamics, driveability, safety and durability. The proposed baseline concept will be based on an air cooled motor in wheel concept, with conventional airflow driven by vehicle, and forced airflow provided by an innovative wheel design. Detailed specifications of extreme operation conditions will be defined and validated by the OEM, during the project, including the hot day-cold day conditions, representative of vehicle extreme use. During the assembly and testing phase, the aspects related to vehicle dynamics, driveability, safety, user acceptance, reliability, previously defined, will be validated with the motor in wheel prototypes installed in a test vehicle. In addition, aspects as eco-desing, LCA of the concept and components, dismantling and recyclability of key materials and rare earths will be considered during the in-wheel concept design.
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Coordinator

FUNDACION TECNALIA RESEARCH & INNOVATION

Address

Parque Cientifico Y Tecnologico De Bizkaia, Astondo Bidea, Edificio 700
48160 Derio Bizkaia

Spain

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 608 257

Administrative Contact

Alberto Peña (Mr.)

Participants (13)

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Österreichisches Forschungs- und Prüfzentrum Arsenal GmbH

Austria

PININFARINA SPA

Italy

EU Contribution

€ 332 412

SISTEMI SOSPENSIONI SPA

Italy

EU Contribution

€ 315 020

FUNDACION CIE I+D+i

Spain

EU Contribution

€ 55 304

INDUSTRIAS PUIGJANER S.A.

Spain

EU Contribution

€ 55 840

IVL SVENSKA MILJOEINSTITUTET AB

Sweden

EU Contribution

€ 131 424

INFINEON TECHNOLOGIES AG

Germany

EU Contribution

€ 256 815

FUNDACION AIC AUTOMOTIVE INTELLIGENCE CENTER FUNDAZIOA

Spain

EU Contribution

€ 39 798

AIT AUSTRIAN INSTITUTE OF TECHNOLOGY GMBH

Austria

EU Contribution

€ 196 880

HAYES LEMMERZ SRL

Italy

EU Contribution

€ 120 470

GKN EVO EDRIVE SYSTEMS LIMITED

United Kingdom

EU Contribution

€ 318 765

ASSOCIATION EUROPEENNE DES FOURNISSEURS AUTOMOBILES

Belgium

EU Contribution

€ 42 970

GKN DRIVELINE ZUMAIA SA

Spain

EU Contribution

€ 433 142

Project information

Grant agreement ID: 285688

Status

Closed project

  • Start date

    1 September 2012

  • End date

    31 August 2015

Funded under:

FP7-NMP

  • Overall budget:

    € 4 845 811

  • EU contribution

    € 2 907 097

Coordinated by:

FUNDACION TECNALIA RESEARCH & INNOVATION

Spain

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