3.8.2. Coupling motors for extra power and series parallel hybrids
3.8.3. Two motors for four wheel drive
3.8.4. Tesla adds two motor model
3.9. In-wheel and near-wheel multiple motors
3.9.1. Two types of in-wheel motor
3.10. Vertical integration
3.11. Trend to integration
3.12. Move to high voltage
3.13. Motor controls
3.13.1. Overview
3.13.2. Cost and integration issues
3.14. Award winning 2-in-1 motor for electric cars
4. ANALYSIS OF 159 TRACTION MOTOR MANUFACTURERS
4.1. Traction motor manufacturers compared
4.2. Lessons from eCarTec Munich
5. MOTOR CONTROLLERS / INVERTERS
5.1. Introduction
5.2. Wide band gap semiconductors
5.3. Essentials from the Power Electronics report
5.4. Optimisation using new devices and integration
5.5. Concern in Europe
6. OTHER RECENT NEWS
6.1. Yamaha uses Zytek's new electric powertrain for city concept vehicle
APPENDIX 1: LESSONS FROM BATTERY/EV EVENT MICHIGAN
APPENDIX 2: IDTECHEX RESEARCH REPORTS AND CONSULTANCY
TABLES
1.1. Some common differences between the requirements of traction motors for pure electric vs hybrid electric traction vehicles
1.2. Examples of traditional limitations and market trends by type of basic design of traction motor
1.3. Most likely winners and losers in the next decade
1.4. Tipping points for sales of certain EVs during the coming decade.
1.5. Number of hybrid and pure electric vehicles produced yearly worldwide 2014-2025 in thousands by category each has at least one electric traction motor
1.6. Number of extra electric traction motors on vehicles where there is more than one (in thousands) 2014-2025
1.7. Price of electric motor-generator sets including controls/inverters and traction motors alone when they also act as generators in $K per vehicle 2014-2025
1.8. Electric motor-generator sets including controls/inverters and traction motors alone when they also act as generators market value $ billion paid by vehicle manufacturer 2014-2025
1.9. Summary of preferences of traction motor technology for vehicles
1.10. Conventional car with 48 V electric torque assist as a new powertrain option shown yellow in powertrain options
2.1. Advantages vs disadvantages of brushed vehicle traction motors for today's vehicles
3.1. Comparison of adoption of in-wheel motors by size of vehicle, with examples, benefits sought and challenges.
4.1. 159 vehicle traction motor manufacturers by name, country, asynchronous/synchronous, targeted vehicle types, claims and images
FIGURES
1.1. Percentage of traction motor suppliers offering synchronous , asynchronous or both versions in late 2014
1.2. Higen view of choices of traction motors for electric vehicles and their relative attributes.
1.3. In-wheel motors needed for envisioned sky taxis and personal VTOL aircraft. Slides at 7th International Electric Aircraft Symposium.
1.4. Availability of hub and in-wheel motors by number of manufacturers
1.5. Approximate numbers of traction motor manufacturers making open market versions for rail alone, rail and EV and only for their own use in EVs with examples
1.6. Geographic distribution of EV traction motor suppliers
1.7. Price of electric motor-generator sets including controls/inverters and traction motors alone when they also act as generators in $K per vehicle 2014-2025
1.8. Electric motor-generator sets including controls/inverters and traction motors alone when they also act as generators market value $ billion paid by vehicle manufacturer 2014-2025
1.9. Two examples of costing of hybrid cars
1.10. Mutliple drive concepts
1.11. Vehicles that have recently been redesigned from one traction motor to two. Top IFEVS pure electric microcar. Middle: 2015 Tesla Model S pure electric car. Bottom: the world's best-selling pure electric bus the BYD K9 now with two
1.12. Motor market value $ billion paid by vehicle manufacturer 2015
1.13. Motor market value $ billion paid by vehicle manufacturer 2025
2.1. Large format multirotor
2.2. Turnigy multirotor motor
2.3. Brushless outrunner motor in toy electric bike
2.4. Small multirotor
2.5. Nanoflie
2.6. Coreless motor parts
3.1. Ryno single wheel motorcycle
3.2. Toyota i-Road tilting 3 wheel motorcycle
3.3. Oerlikon Graziano- Vocis Driveline four-speed electric drive system
3.4. Kobra pure electric concept motorcycle designed for MotoCzsyz showing doubled up motors
3.5. IFEVS-POLIMODEL - Oerlikon Graziano: to address and advanced powertrain with an automatic gearbox
3.6. IFEVS-POLIMODEL - SOLBIAN: to address smart photovoltaic
3.7. IFEVS-POLIMODEL - SOLBIAN: to address smart photovoltaic and technology transversality
3.8. Mitsubishi motors two motor car system
3.9. Aisin AW "AWFHT15", front wheel drive hybrid transmission with integral traction motor and generator that provides extra traction power when needed
3.10. Aisin AW transmission with integrated traction motor and dynamo for Lexus GS450h, Toyota Crown Majesta
3.11. Volkswagen approach to increased integration of its EV traction motors
3.12. Traction battery pack nominal energy storage vs battery pack voltage for mild hybrids in red, plug in hybrids in blue and pure electric cars in green
3.13. Typical e-powertrain components
3.14. Scientists from Nanyang Technological University (NTU) and German Aerospace Centre (DLR) have invented a 2-in-1 electric motor which increases the range of electric vehicles.
4.1. Joanneum experimental snowmobile (Austria)
4.2. Streetscooter car and delivery truck (Germany)
4.3. Tesla Model S - crowd puller (USA)
4.4. Hyundai 1X 35 Pre-production Fuel Cell car (Korea)
4.5. Mercedes B Class, referred to as the Tesla Mercedes because that company, a Daimler investment, assisted in its creation. (Germany)
4.6. Romet car (Poland)
4.7. TukTuk taxi (Netherlands)
4.8. Nissan Taxi (Japan)
4.9. Green Go iCaro car (China)
4.10. Mercedes SLS AMG car (Germany)
4.11. Oprema concept (Slovenia)
5.1. Typical e-powertrain components
5.2. On-going Development of Hitachi automotive inverters
5.3. Toyota Prius 2010 electronic control unit showing bed of IGBT chips
5.4. The new MAN hybrid bus from Germany showing the power inverter and the use of a supercapacitor (ultracapacitor) instead of a battery, putting different demands on the power electronics
5.5. Example of modern vehicle inverters from Phoenix international, a John Deere Company as exhibited ant eCarTec Germany October 2012. The large unit bottom left is used in the MAN hybrid electric city bus which uses supercapacitors
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