阅读说明：本技术 一种炮弹加速距离可控的磁阻式电磁炮及控制方法 (Magnetic resistance type electromagnetic gun with controllable shell acceleration distance and control method ) 是由 钟德刚 郑露华 吴春 于 2020-10-22 设计创作，主要内容包括：一种炮弹加速距离可控的磁阻式电磁炮,包括炮管、炮弹、主电路及控制电路,控制电路包含单片机及MOSFET驱动电路,通过控制器对主电路中的MOSFET的控制实现电磁炮加速线圈充放电时间的精确控制进而主动改变线圈内部的强磁场的维持时间,加速线圈磁场的变化与炮弹的加速距离有直接关系,通过多次测试获得线圈通电时间与炮弹射程的关系,最后利用这种关系实现炮弹加速距离的控制最终改变炮弹的射程。以及提供一种炮弹加速距离可控的磁阻式电磁炮的控制方法。本发明可有效解决常规磁阻式线圈炮电容容量选择困难、加速效率低等问题,并提高了炮弹的最大出口速度；同时在不增加其它控制装置的情况下,即可实现炮弹射程可控。(A magnetic resistance type electromagnetic gun with controllable accelerating distance of a cannonball comprises a gun barrel, the cannonball, a main circuit and a control circuit, wherein the control circuit comprises a single chip microcomputer and a MOSFET drive circuit, accurate control of charging and discharging time of an accelerating coil of the electromagnetic gun is achieved through control of a controller on MOSFET in the main circuit, maintaining time of a strong magnetic field inside the coil is actively changed, direct relation exists between change of a magnetic field of the accelerating coil and the accelerating distance of the cannonball, the relation between coil electrifying time and cannonball firing range is obtained through multiple tests, and finally the firing range of the cannonball is finally changed through control of the accelerating distance of the cannonball. And provides a control method of the magnetic resistance type electromagnetic cannon with controllable cannonball acceleration distance. The invention can effectively solve the problems of difficult selection of capacitance capacity, low acceleration efficiency and the like of the conventional reluctance type coil cannon, and improves the maximum outlet speed of the cannon; meanwhile, the range of the cannonball can be controlled under the condition of not increasing other control devices.)