| Abstract |
There is a clear move to radio based systems for desktop or personal digital networks, thus reducing the need for cabling and increasing the connectivity. Automotive environments are very special cases because there could be a significant number of personal radio sources in the nearby of the vehicle communication systems, which can use cables or radio links. In addition, all those things are placed in an electromagnetically bounded space. The electromagnetic environment produced by this particular situation is far from what is assumed in current standards for electromagnetic immunity for vehicle systems. Because of this situation, it is necessary to study in detail the
interaction between this electromagnetic sources inside the vehicle, to know the electromagnetic field produced by them and to assess the effect on the immunity of critical systems. This will be the objective of the project. In first place we will characterize such environment, using both numerical and experimental approaches, including transient EMI sources, like those arising from the 42V PowerNet technology, and taking into account the presence of passengers within the car. To achieve this task we will develop suitable computation tools and characterize in the time domain the near field probes we have already developed. In the second place we will estimate the energy coupled to differenr vehicle systems, either by direct coupling or through communication cables. |
