International Journal of Vehicle Design · 2014 · 62 citations · 0 references
EngineeringAutomotive EngineeringMechanical EngineeringDesign OptimizationHybrid Vehicle SystemsPowertrain EngineeringDriveline DynamicsElectric Motor Drive SystemsFuel Economy OptimizationHybrid PowertrainsHybrid SystemsVehicle Propulsion SystemsFuel ConsumptionFuel Consumption ReductionGear Ratio OptimizationGear RatiosHybrid Drive SystemsHybrid Driveline DynamicsHybrid Vehicle DesignParallel Hybrid Powertrains
The paper presents a new method for the optimal rating of the components of an autark hybrid driveline. The method uses dynamic optimisation to calculate the optimal torques for both motors and the optimal CVT gear ratios for a given driving cycle of the vehicle. The cost function for the optimisation uses among other things the fuel consumption, which has to be minimised. From the optimal torques and gear ratios, conclusions concerning the rating of the motors can easily be made. The methods derived are used for the TU Munich Hybrid Vehicle project. In this project, a parallel hybrid with an i²–CVT is under development.