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

Objetivo

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.

Convocatoria de propuestas

FP7-2011-GC-ELECTROCHEMICAL-STORAGE
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Coordinador

FUNDACION TECNALIA RESEARCH & INNOVATION
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Parque Cientifico Y Tecnologico De Gipuzkoa Paseo Mikeletegi 2
20009 Donostia/san Sebastian (Gipuzkoa)
España
Tipo de actividad
Research Organisations
Aportación de la UE
€ 608 257
Contacto administrativo
Alberto Peña (Mr.)

Participantes (13)

Österreichisches Forschungs- und Prüfzentrum Arsenal GmbH

La participación finalizó

Austria
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Giefinggasse 2
1210 Vienna
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Research Organisations
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Michael Parik (Mr.)
PININFARINA SPA
Italia
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€ 332 412
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Via Bruno Buozzi 6
10100 Turin
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Private for-profit entities (excluding Higher or Secondary Education Establishments)
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Filippo Cappadona (Mr.)
MARELLI SUSPENSION SYSTEMS ITALY SPA
Italia
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€ 315 020
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Viale Aldo Borletti 61 63
20011 Corbetta Mi
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Private for-profit entities (excluding Higher or Secondary Education Establishments)
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Andrea Santini (Mr.)
FUNDACION CIE I+D+i
España
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€ 55 304
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Iparraguirre 34- 2ºdcha
48011 Bilbao
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Jon Ezkerra (Mr.)
INDUSTRIAS PUIGJANER S.A.
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€ 55 840
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C Pintor Vila Cinca 30
08213 Polinya
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Daniel Masague Arboler (Mr.)
IVL SVENSKA MILJOEINSTITUTET AB
Suecia
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Po Box 21060
100 31 Stockholm
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Mats Ridner (Mr.)
INFINEON TECHNOLOGIES AG
Alemania
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Am Campeon 1-15
85579 Neubiberg
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Mingxia Wu-Lutzenberger (Ms.)
FUNDACION AIC AUTOMOTIVE INTELLIGENCE CENTER FUNDAZIOA
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Poligono Industrial Boroa Parcela 2 A4
48340 Amorebieta-etxano
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Mikel Lorente (Mr.)
AIT AUSTRIAN INSTITUTE OF TECHNOLOGY GMBH
Austria
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Giefinggasse 4
1210 Wien
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HAYES LEMMERZ SRL
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Piazza Virgilio 3
20123 Milano
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Umberto Afeltra (Mr.)
GKN EVO EDRIVE SYSTEMS LIMITED
United Kingdom
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Ipsley House, Ipsley Church Lane
B98 0TL Redditch
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Baljinder Bains (Mr.)
ASSOCIATION EUROPEENNE DES FOURNISSEURS AUTOMOBILES
Bélgica
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Cours Saint Michel 30 Boite G
1040 Bruxelles
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Amalia Di Stefano (Ms.)
GKN DRIVELINE ZUMAIA SA
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Calle Sagarbidea 2
20750 Zumaia
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Javier Muñoz (Mr.)