汽车动力性、经济性案例 2010_BatausBoryRipert_ModelbasedVehicleEnergyManagementAndDriveability.pdfVIP

Model-based Vehicle Energy Management and Driveability Marius Bataus, Emanuel Bory, Pierre-Jean Ripert Abstract Under pressure from legislation as well as customer buying behavior, automotive OEMs and suppliers are currently devising solutions to improve CO2 and emission levels as well as fuel economy. However, consumers want it all: improved fuel econ- omy and cars that are fun to drive as well as safe and ever cheaper. Translated to vehicle engineering targets, this means that seemingly conflicting engineering chal- lenges need to be reconciled to manufacture the cars that will determine the world’s future mobility. And time is essential: being early on the market is a major success factor. We propose to present how a model-based vehicle energy management approach can remedies the problem of integrating green engineering into the current develop- ment process while continuing to improve the car’s drivability and performance. A first vehicle energy management simulator including most thermal subsystems is de- tailed into the paper “CO2 reduction by optimization of the Vehicle Thermal Man- agement: a Multi-Domain System Simulation approach”. The benefit of such simula- tor is illustrated on engineering analysis aiming to investigate design changes on the heat management strategies or architecture and the corresponding gain on fuel con- sumption and emission. A second level simulator, which is the purpose of the present paper, including actua- tor dynamics and detailed representation of the transmission will illustrate trade-off balancing studies between vehicle drivability and fuel economy. The optimization of gear shifting control algorithms including a HiL simulation will illustrate how we can help you to reduce development time almost in half and create transmission designs that exactly meet target performance requirements. Kurzfassung 1. Introduction Driving comfort