Analysis Of Anti-Electromagnetic Interference On Vehicular Communication Buses

It is of great theoretical significance and practical value to research the anti-electromagnetic interference on vehicular communication buses in the harsh environment .In this paper, the field-line coupling and protective performance of vehicular communication buses are deeply studied, the model of the terminal, the model and the simulation of field-line coupling and the model and the simulation of shielding effectiveness are mainly studied. By comparing with results of other literatures and some test results, validating the effectiveness and correctness of the simulation algorithm. Based on the above research contents, combining the previous research achievements, the EMC of vehicular communication buses simulation software is developed. It has been proved that the software has a very good engineering practicability. The main innovative points are as follows:1. The relationship between the actual vehicular communication buses's model of the terminal and the theoretical transmission's model of the terminal is deduced, thus a solid foundation is laid for the establishment of the anti-electromagnetic interference analysis model on vehicular communication buses.2. The M.D'Amore's theory is used to establish the field-line coupling model which is suitable for the practical vehicular communication buses. On this basis, the analysis of simulation is carried out, and some instructive conclusions are gotten in the end.3. The original simulation model of shielding effectiveness in our laboratory is improved. The accuracy of the calculation has been improved dramatically using the new model.4. The original software of our laboratory is redesigned, adding the new achievements, and the more consummate, more accurate and more humanized new software is developed.