Novel architectures for EV power management: About distributed architectures
Secondly, the power distribution & control architecture options will be addressed and a comparison of centralized and fully distributed power network will be made. A detailed description of fully distributed prototype architecture will include new technological inserts, breakthrough power management functions, and the tackled EV present issues.
Finally, a roadmap for further research and development on distributed power management architecture will be drawn.
I. EV Systems Challenges: Electric Vehicle (EV) characteristics introduce a new paradigm in the Electric/Electronic (EE) architecture design. They impact more than 30% of essential classic vehicle functions, such as lateral dynamic control, in-car thermal management, fuel/mileage estimation, telematics & human-to-machine interface and, of course, electric energy management. New life phases are surfacing, requiring new functions to be developed: battery re-charging, thermal preconditioning, and specific EV services.
The future EV generations offer a lot of opportunities in developing and inserting new technologies in electrical motors, chassis and power mechatronics. They will embed new components that are presently researched by engineers all around the world. The long-awaited benefits of this massive ongoing research might be partly compromised by inefficient or non adapted vehicle EE architecture.
The present first EV generation is mostly based on technical solutions that are derived from existing combustion vehicles (see figure 1), comprising a similar EE platform with specific add-ons. The second generation will integrate optimized power subsystems. We believe that EE platform breakthrough will arise within the 2018-2020, enabling a fully optimized third generation to reach the market. This paper shares our vision and provides a status of some research that was conducted on breakthrough EE EV platforms.
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