Due to its special double salient structure and serious nonlinear problems, Switched reluctance motor has a large torque ripple, which severely limits its application range. The traditional torque sharing function is affected by torque characteristics and voltage limitation, and there are still large torque ripples during the commutation period. In different speed segments, affected by current change rate and commutation period, the torque ripple will be more obvious when the commutation overlap angle is fixed. Based on this phenomenon, this paper proposes a control strategy in which the commutation overlap angle changes with the speed in real-time. By detecting the angle corresponding to the actual torque crossing zero during the operation of the motor, the corresponding commutation overlap angle is calculated, and a look-up table between torque load-motor speed-commutation overlap Angle is established. According to this reference table, the most suitable commutation overlap angle can be look-up with the change of motor speed under different loads to minimize the torque ripple of switched reluctance motor. Finally, in order to verify the effectiveness and feasibility of the strategy, a 3 kW, 3-phase 12/8-pole switched reluctance motor is used as the control object for simulation and experimental verification, which proved that the proposed method could effectively suppress the torque ripple of the switched reluctance motor in a wide speed range.