Abstract
Hybrid Electric Vehicles (HEVs) and autonomous vehicles have been widely studied recently for on-road transportation. In the study of autonomous HEVs, the control of vehicle’s external dynamics and powertrain dynamics are often treated separately. Optimizing these two problems together can significantly improve fuel economy. In this paper, a customized control strategy based on Approximate Dynamic Programming (ADP) is explored to optimize these dynamics together. At last, a case study shows that the examined control strategy outperforms the one with the separated optimization method by an additional 15% improvement in fuel consumption.
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