High-speed solenoid valve (HSV) is the heart of electronic control fuel system for diesel engines, whose electromagnetic force (EF) determines the dynamic response speed of fuel system. The finite element model of HSV has been established and validated by experiment. Methods of experimental design and correlation analysis have been used for the simulation experiment. The effect laws of six key parameters’ interactions on EF under HSV’s overall operating conditions have been revealed from the results of the simulation. In addition, three key second-order factors’ interaction principles are explained. Results show that under overall operating conditions HSV’s EF is influenced not only by its parameters singly, but also parameters’ interactions.
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