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Improving Fuel Economy and Acceleration by Electric Turbocharger Control for Heavy Duty Long Haulage

Todays vehicle industry is converging more to the use of three phase electrical architectures, due to hybridization. This paper investigates the potential of using an electric turbocharger in a long haulage application during highway driving. A charge sustainable control strategy is developed and implemented, tuned and evaluated on a heavy duty truck model. The benefits of using an electrical turbocharger on a heavy duty diesel truck, from a long haulage perspective, are evaluated. By calibrating the implemented controller, long haulage driving routes can be charge sustainable and consume less fuel than a conventional truck with fix turbine geometry.

Kristoffer Ekberg and Lars Eriksson


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