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提出了冲击载荷下磁流变阻尼器的设计方法和约束条件,并使用MATLAB优化结构参数。针对某型号火炮,实际设计了一阻尼器,从结构和磁场方面进行了验证。结果表明:所设计的阻尼器满足约束条件,活塞间隙内的磁流变液被充分激励,且磁场分布均匀,铁芯工作在高磁导率范围内。火炮后坐过程仿真结果表明阻尼器能够有效减小最大后坐阻力峰值。
The design methods and constraints of MR damper under impact load are proposed, and the structural parameters are optimized by using MATLAB. For a certain type of artillery, the actual design of a damper, from the structure and magnetic field were verified. The results show that the designed damper satisfies the constraint condition, the MR fluid in the piston clearance is fully excited and the magnetic field is distributed evenly, and the core works in the high permeability range. The artificial recoil process simulation results show that the damper can effectively reduce the maximum recoil resistance peak.