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Hardware-in-the-loop simulation is today a standard method for testing electronic equipment in the automotive industry. Since electric drives and power electronic devices are more and more important in automotive applications, these kinds of systems have to be integrated into the hardware-in-the-loop simulation. Power converters and electric drives are used in many different applications in vehicles today (hybrid electric or electric powertrain, electric steering systems, DC-DC converters, etc.). The wide range of applications, topologies, and power levels results in various different approaches and solutions for hardware-in-the-loop testing. This paper gives an overview of hardware-in-the-loop simulation of power electronics and electric drives in the automotive industry. The currently available technologies are described and future challenges are outlined

Power electronic devices are growing in importance in automotive applications. Power converters are used in hybrid electric vehicles but also in other vehicle applications like electric steering systems. For testing electronic equipment, hardware-in-the-loop simulation is a today's standard method in the automotive industry. It always requires a real-time simulation of the plant. For testing the electronic control units of power electronics, realtime capable models of power electronic circuits need to be developed, accordingly. This paper presents an approach for an automated generation of a FPGA-based oversampling model of power electronic circuits. Two types of modeling methods for considering the nonlinear switching behavior will be compared. For applying the oversampling approach a generator is presented, which automates a FPGA-based implementation of the circuit model. The approach is proven by simulation and measurement results.