Design and controllability analysis of a gun magnetorheological recoil damper

According to gun magnetorheological(MR) recoil damper's characteristics,aiming at the recoil part of a gun system under high impact and high-speed environment,the recoil resistance force's effect on the quiescence and firing stability of the gun was studied.The controllability of a magnetorheological damper to the gun recoil part's movement was also studied.A new gun magnetorheological recoil damper was designed and developed.And a suit of real-time measuring and controlling simulation experimental platform including hardware and software for dynamic response of a gun MR recoil damper under impact load was developed.Considering the dynamic behavior of the MR damper under impact load,an inertia factor was introduced into the dynamic model of the recoil part of the gun system.A shock test was done to measure the designed long-stroke MR damper's dynamic performance under impact load.To evaluate the control effect of the MR damper on the gun recoil movement during recoiling,a hardware-in-loop simulation and a test were performed.The testing results showed that the recoil's resistance and stroke of the designed gun MR recoil damper under impact load can be controlled by changing the applied current.The results lay a foundation for the integrated design and engineering application of the gun recoil force and stroke control.