This paper takes Vacuum arc remelting furnace of BaoJi non-ferrous metal which be used in Baoji Titanium Industry Company as research object,for smelting process control problems caused by the bad quality of titanium,Based on the modeling and simulation of the control system of arc and the melting speed,designs a fuzzy control algorithm of the melting speed control system.Simulink simulation results show that both of Overshoot amount and system stability are improved,which provides a reference for the devel...