Trajectory Correction Strategy based on Relative Deviation between Projectile and Target

For a higher accuracy of projectiles, a novel trajectory correction fuze is proposed. In this design, sensors and actuators are pre-designed and optimized. Based on the projectile flight model, the working principle of trajectory correction is explained, and the trajectory correction strategy is proposed. In the trajectory correction strategy, the detection deviation and the response of the correction actuator are analyzed. The effect of the strategy is verified by the example of closed-loop simulation. The results show that the accuracy of this method is obviously improved, which is suitable for the terminal correction of mortars.