某电子设备在飞行过程中遭受均方根加速度高达38g的振动环境,为了降低其振动响应,采用有限元分析和试验验证相结合的方法,研制了一种新型的组合式橡胶减振器.通过与T型减振器进行对比试验,结果表明,设计的组合式橡胶减振器使电子设备的随机振动响应由38g下降到11g,减振效率高达71％,且共振峰放大倍数小于3.
One electronic equipment undergoes acceleration up to 38 g in flight vibration environment.To reduce the vibration response of the equipment,a new type of combined rubber damper is developed through FEM analysis and test verification.The results show that the random vibration response of the equipment decreases from 38g to 11 g by using this damper,indicating a vibration reduction efficiency of 71％,and moreover the resonance amplification factor is less than 3.
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