Abstract
A vehicle predictive ecocruise control system is developed. It minimizes vehicle fuel consumption levels by utilizing roadway topographic information. The predictive ecocruise control system consists of three components: a fuel consumption module, a powertrain module, and an optimization algorithm. The developed system generates an optimal control plan by using roadway grade information obtained from a high-resolution digital map to control the vehicle speed within a preset speed window in a fuel-saving manner. The performance of the system is tested by simulating a vehicle trip on a section of Interstate 81 in the state of Virginia. The results demonstrate fuel savings up to 15% with execution times within real time.
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