Helsinki Metropolia University of Applied Sciences
Community, reformer and partner Helsinki Metropolia University of Applied Sciences, operating in the Greater Helsinki Area, is Finland s largest university of applied sciences. It trains experts and developers in the fields of culture, business, health care and social services, and technology. 15,000 students Staff 1,100 Helsinki Metropolia University of Applied Sciences 2
3
Biofore car Technical concept Keypoints 1.2 litre diesel engine 200Nm / 2000 RPM Dryweight 1100 kg / Chassis weight 150 kg For 4 persons Length 3865mm, Width 1780mm, Height 1640mm Carbon/cellulose -fiber chassis Air suspension Ease of access no b-pillar 4
Demonstration vehicle of modern biobased / ecological materials Made in collaboration of 22 companies, universities and funds World premiere @ Geneva Auto show Will be registered 2014 to road traffic 5
Project Doblo EV wireless charging study e-conversion made in Metropolia Control unit programmed in Metropolia Ansaldo 60kW asynchronous motor ABB inverter Battery Chemistry LiFePO4 Energy 28 kwh Nominal voltage 307 V Liquid cooling Charging Wireless 3,3 kw CHAdeMO standard DC-fast charge Over-night charging 3,3 kw 6
ebus proto Vehicle Platform Kabus City Bus Full aluminium self supporting lightweight body Length 12 m Weight just over 8000 kg including electric powertrain and excluding seats
ebus Main powertrain components Battery and Battery Management System European Batteries Energy 56 kwh Nominal voltage 615 V Capacity 90 Ah Total weight 800 kg 4 watercooled modules in 4 separate steel enclosures located under floor behind front axle
ebus Main powertrain components Vehicle Control Unit Elektrobit EB 6120 Simtools SW development chain Control SW developed at Metropolia originally for Electric RaceAbout
ebus Main powertrain components Watercooled PM motor Visedo Power (IEC 60034-1) 262 kw Nominal Torque 1000 Nm (max. 3000 Nm) Nominal speed 2500 rpm Nominal frequency 333 Hz (max. 400 Hz) Nominal current 321 A Weight 390 kg Watercooled Inverter Visedo Oy Nominal current 300 A rms Nominal power 250 kw
Electric RaceAbout Esittäjän/esityksen nimi 11
E-RA Specification Performance - Total peak motor power 390 kw (530 bhp) - Acceleration 0-100 km/h ~ 6 sec. - Top speed 285 km/h (178 mph) measured - Oper. Range ~ 300 km - Consumption ~ 145 Wh/km Fuel equivalent ~ 1.6 l/100 km Curb weight 1650 kg Lithium-Polymer battery pack Four wheel direct drive with 4 inboard mount motors Carbon fiber monocoque Advanced, next generation stability control Optimal weight distribution & very low centre of gravity 2 Seats & 100 l of cargo space
Powertrain Four wheel direct drive 4 inboard electric motors manufactured by AXCO-Motors Oy 4 inverters from Semikron GmbH / Visedo Oy Total efficiency ~80 % Advanced, next generation stability control Battery 220 Kokam LiPo cells (55 Ah each @ 3.7 V) in 110s2p configuration Capacity 44,8 kwh Voltage 330 450 V Power 450 kw continuous, 530 kw (10s) Weight 500 kg (1.42 kg/cell) Each cell monitored and the whole system balanced Kalvosarjan tekijän nimi 13
Control Systems Vehicle Control Unit EB 6120 control unit Simtools model based code generation Driver command processing Vehicle state estimation 4 motor torque vectoring ESC high level implementation Battery and component protection Battery Management System EB 6120 control unit Isabellenhütte IVT-Mod current sensor Bender GFD Simtools model based code generation Battery measurements and protection Charging control and balancing Inverters Visedo motor control with added applications for Anti-Slip Control (traction and braking = ASR + ABS) Slip Control (vehicle dynamics control = ESC low level control) Implemented with CODESYS Kalvosarjan tekijän nimi 14
Body and Chassis 24 carbon fibre composite parts bonded together to form E-RA monocoque Self supporting structure BIW weight ~150 kg Torsional stiffness similar to today s production vehicles (>14 000 Nm / deg) Audi R8 ceramic brakes and suspension components Kalvosarjan tekijän nimi 15
Our goal is to.. Create co-operation partnerships within industry Co-develop or license our EV systems, components or vehicle concepts R&D in automotive, electric vehicle and lightweight structures sectors 16
Thanks! www.metropolia.fi/en/ www.raceabout.fi www.bioforeconceptcar.upm.com Pekka Hautala Head of Automotive, Mech. Engineering and Industrial Design Departments Pekka.hautala@metropolia.fi +358 50 048 3786 Harri Santamala Project manager, Biofore concept car Harri.santamala@metropolia.fi +358 40 334 1516