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Design of vehicular engine control unit based on EMC analysis

In order to meet the EMC requirements of the vehicular engine control unit, a new design method of vehicular engine control unit is proposed. This method is based on the EMC analysis and simulation which includes board level and the line level simulation. The simulation results show the influence factors for ECU EMC performance, such as circuit arrangement and shell shielding. The vehicular control unit is designed by considering the above factors. The EMC experiment result shows that the EMC Analysis and design method is valid and can be a method to improve the ECU electromagnetic compatibility.