This paper takes the output of the switched reluctance generator as the research object and analyzes the main factors affecting the output voltage ripple. In order to optimize the output voltage of the switched reluctance generator at high speed, This paper proposes an angle position control strategy based on improved fuzzy control. When the load changes, the initial value of the turn-on angle of the fuzzy control adjustment is adaptively identified. Adaptive value of turn-off angle input to the system. This method quickly and accurately changes the conduction angle so that the output voltage is optimized. The simulation results show that compared with the fuzzy control, the improved fuzzy control strategy can effectively optimize the output voltage and reduce the voltage ripple.