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Based on the analysis of mathematical model of IPMSM,a new fuzzy control method for speed-regulation system of IPMSM was proposed.A controller was analyzed and designed with fuzzy rule.Then the simulation model was set up and the simulating analysis of speed-regulation system of IPMSM based on fuzzy control in different working conditions were given.The simulation results proved the efficiency of the fuzzy control method which realizes self-adapting control of speed-regulation system of IPMSM and meets the control requirement of high precision.