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Modelling, Measurements and Control Logic Optimization in a Modular Thermo-management System for e-Buses
The optimized thermal management of an electric vehicle represents one of the greatest opportunities to increase the mileage range. In addition to cabin conditioning, the energy storage system and power electronics and electric motor also require thermal management. An integration of the different thermal subsystems into a single liquid coolant-based system reduces weight and volume and increase efficiency. A modular approach for each thermal subsystem brings to a concept scalable to different vehicle size and complexity. An advanced thermal control logic integrating a sophisticated valve network is able to switch in between multiple operation modes based on vehicle and environment conditions and modify automatically the thermal energy distribution from source to consumer. Additionally by learning from actual monitoring of performances, the control logic analyses the status and wear information of the components adapting the system configuration to the component diagnostics.
Giovanni Bottiglieri, Webasto Group