Design of reducing electromagnetic interference from ignition system of vehicle to electronic devices

In order to control the electromagnetic interference of ignition system to the electronic equipment in cars,this paper verifies the correctness of the order parameter through the experiment to solve this problem.First of all,establish stability and instability model of the system.Secondly,eliminate the instability model by the controlling principle.Finally, solve the selected order parameter of the established equation. The results showed that the selection of the order parameter could significantly reduce electromagnetic interference from ignition system and the electromagnetic compatibility of Car ignition system could be greatly simplified.