2011 · 15 citations · 0 references
EngineeringAutomotive EngineeringIndustrial EngineeringHybrid Vehicle SystemsInternal Combustion EnginesPowertrain EngineeringEnergy Management StrategiesFuel Economy OptimizationHybrid Powertrain ArchitectureHybrid PowertrainsPowertrain CalibrationPowertrain Control SystemsEmissions Reduction StrategyFuel ConsumptionIntegrated Powertrain ControlPowertrain ControlPowertrain Control CalibrationPowertrain OptimizationSelective Catalytic ReductionVehicle Operating Costs
This article presents a cost-based optimization strategy that explicitly deals with the requirements for fuel consumption and emissions. Based on the Integrated Powertrain Control (IPC) approach, the overall powertrain performance is optimized by integrated energy and emission management. The potential of this strategy is demonstrated for a parallel hybrid diesel truck with a Selective Catalytic Reduction (SCR) de-NOx system. New results are presented for a challenging city cycle; although the average power demand is low, IPC is able to keep the SCR catalyst temperature relatively high. With this IPC approach, the CO2-NOx trade-off is optimized in a systematic way. It is demonstrated that CO2 emissions and related operating costs are reduced by 3.5% or 24.9% NOx emission reduction is achieved, depending on the applied IPC calibration.