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RISTransient Hybrid Electric Vehicle Powertrain Control Based on Iterative Dynamic Programing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This research proposes an iterative dynamic programing (IDP) algorithm that generates an optimal supervisory control policy for hybrid electric vehicles (HEVs) considering transient powertrain dynamics. The proposed algorithm ...
Model Predictive Engine Speed Control for Transmissions With Dog Clutches
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The need for cost-effective fuel economy improvements has driven the introduction of automatic transmissions with an increasing number of gear ratios. Incorporation of interlocking dog clutches in these transmissions ...
Observer-Based Cylinder Air Charge Estimation for Spark-Ignition Engines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Spark-ignition engine in-cylinder air charge estimation is important for air-to-fuel ratio (AFR) control, maintaining high after-treatment efficiency, and determination of current engine torque. Current cylinder air charge ...
Online Spark Timing Optimization With Complex High-Fidelity Combustion Phasing, Knock, and Coefficient of Variation of IMEP Models
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The combustion phasing of spark ignition (SI) engines is traditionally regulated with map-based spark timing (SPKT) control. The calibration of these maps is time-consuming for SI engines with a high number of control ...