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This section covers commercially available axial flux electric motors and the most efficient battery systems.
A number of manufacturers have produced the various components and technologies:
Th!nk - Power Electronics
Axeon - Batteries
Evo Electric - Motors
Yasa - Motors
Rimac - Complete solutions
Examples of vehicle chassis integration are shown below (Tesla Model S, Rimac):
Some examples of vehicle assemblies and specifications are shown below: e-Motors, Battery, IC-range-extender.
e-Motor Control Software strategy
Typical strategy contents:
Supports up to four traction motors and one generator
System state control
System start-up and shutdown control
System health monitoring and fault management
Inputs and outputs adapters
Torque co-ordination and limitation
Power Management
Battery charge and discharge limitation
Charger control
Category A & B regeneration
Drag charging
Auxiliary power unit control
Accessories control
Vehicle stability system interaction
Vehicle speed limiter
Supports up to two cooling circuits
Thermal management
Tablet display interface
Important technical articles:
DC Motor Speed: System Modelling (Michigan University)
High Fidelity model of e-Motor control (Mathworks)
Synchronous Motor Drive (Mathworks)
Control of Electric Vehicle (University of Electronic Science and Technology of China)
Inverter Technology
This is a useful report on the efficiency of an inverter: Inverter Efficiency - Chalmers University
This is the specification sheet of PM100 and PM150 inverters sold by Rimac and Rinehart: Inverters_PM100-PM150_datasheet , Inverters_PM250_datasheet
e-Motor Technology
This is an interesting video describing AF motors, by Magnax: Magnax 850kg AF motor
This is an interesting article on the benefits of Axial Flux: electric-vehiclenews.com
Battery Technology
The following maths will be used for battery power and life considerations:
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