Journal

Modeling Driver Behavior in Car-Following Interactions with Automated and Human-Driven Vehicles and Energy Efficiency Evaluation

Human drivers can have diverse car-following behaviors when interacting with connected and automated vehicles (CAVs) and other human-driven vehicles in mixed traffic where many human-driven vehicles and a limited number of CAVs frequently interact …

Eco-Driving of Connected and Automated Vehicle with Preceding Driver Behavior Prediction

The development of vehicle connectivity and autonomy in ground transportation is not only able to enhance traffic safety and driving comfort as well as fuel economy. This study presents a receding-horizon optimization-based control strategy …

Energetic Impacts Evaluation of Eco-Driving on Mixed Traffic with Driver Behavioral Diversity

This study presents a fuel-economical driving strategy for connected and automated vehicles (CAVs) and investigates its impacts on human-driven platoon’s fuel efficiency, considering driver behavioral diversity. In mixed traffic where a limited …

Predictive Control for NOx Emission Reductions in Diesel Engine Vehicle Platoon Application

This paper presents a predictive control design for diesel vehicle platoons, such as medium- and heavy-duty truck platoons, to achieve lower NOx emissions. By incorporating vehicle longitudinal dynamics control and powertrain estimation with …

Sliding-mode Control of Automotive Selective Catalytic Reduction Systems with State Estimation

A sliding-mode controller for an automotive selective catalytic reduction system is designed to drive its ammonia surface coverage ratio to the target level. The proposed controller only requires NOx, temperature and air flow sensor measurement …

Integrated Power Management and Aftertreatment System Control for Hybrid Electric Vehicles with Road Grade Preview

This paper presents a model-based and integrated strategy for hybrid electric vehicle (HEV) power management and aftertreatment control with preview information of road grade. The HEV power management has been well studied for decades to optimize …

Control of Aged Automotive Selective Catalytic Reduction Systems for Consistent Performances

This paper develops a consistent emission control method for automotive selective catalytic reduction (SCR) systems against variant aging conditions. SCR systems have been widely adopted on Diesel vehicles to reduce tailpipe NOx emissions thanks to …

Observer-based Estimation of Aging Condition for Selective Catalytic Reduction Systems in Vehicle Applications

This paper presents two observers for estimating the aging condition of selective catalytic reduction (SCR) systems in vehicle applications. SCR systems have been widely recognized as one of the leading engine exhaust gas aftertreatment systems for …