关键词: 火炮后坐；磁流变减振器；结构设计；冲击载荷；动态特性

Abstract:

A full-scale mock-up for MR shock absorber characterized with multistage slotted and smoothness disposal under impact load
was firstly established.Considering the dynamic of MR shock absorber under impact load,an inertia factor was introduced to Herschel-Bulkley model,which led to two revised models,named as Herschel-Bulkley-Inertia model.And a suit of real-time measuring and controlling simulation experimental platform including hardware and software for dynamic response of MR gun recoil shock absorber under impact load was developed.The parameters in Bingham-Inertia model and Herschel-Bulkley-Inertia model were identificated by
using the testing data.Further,the testing results prove that the designed MR gun recoil long-stroke shock absorber’s dynamic performance under impact load can be well controlled by changing the applied current,and the dynamic response models for MR gun recoil shock absorber under impact load are proved.

Key words: gun recoil system;magnetorheological(MR) shock absorber;structural design;impact load;dynamic characteristics