A method of operating a vehicle including a hybrid powertrain system using a predictive power management control scheme

摘要

A method of operating a vehicle (10) including a hybrid powertrain system (200) including an internal combustion engine (240) operably coupled to a drive member of a hybrid transmission (250) that includes a torque machine (230) for exchanging Power with an energy storage device (210), the hybrid transmission (250) being configured to transfer torque between the drive element, the torque motor (230), and an output element (64), the method comprising: vehicle navigation and traffic patterns; which are connected to a predicted route for the vehicle (10) are monitored; an upcoming road load (RL) associated with vehicle navigation and traffic patterns is predicted; a vehicle propulsion power associated with the predicted upcoming road load (RL) is estimated; determining a desired state of charge trajectory for the energy storage device (210); predicting a state of charge trajectory for the energy storage device (210) that corresponds to the estimated vehicle propulsion power and the desired state of charge trajectory for the energy storage device (210); and controlling operation of the hybrid powertrain system (200) in response to the predicted state of charge trajectory for the energy storage device (210); characterized in that a load prediction control scheme (410) is executed to predict the imminent road load (RL) associated with the vehicle navigation and traffic patterns to estimate vehicle propulsion that is consistent with the predicted vehicle driveline (10 ) connected is; executing a look-ahead control scheme (420) comprising a receding horizon control scheme to predict the upcoming road load (RL) associated with the vehicle navigation and traffic patterns; a fuel cost factor (λ) associated with the upcoming road load (RL) is optimized, optimizing the fuel cost factor (λ) ...