摘要
以减小冲击对光电设备的影响,增加设备的可靠性和使用寿命为目标,详细论述机动平台光电设备冲击隔离的工程设计方法。首先推导冲击隔离公式,基于该公式讨论缓冲器两个主要指标阻尼比、刚度与设备位移、速度、加速度响应的关系;然后给出冲击隔离系统冲击能量消耗的基本公式,讨论冲击能量消耗速度与缓冲器的刚度、阻尼比的关系;最后论述如何确定冲击隔离缓冲器的技术参数,一体考虑冲击、振动隔离时的工程设计方法。
In order to reduce the impact of shock on the opto-electronic equipment and increase the reliability and the natural-life of the equipment,the engineering design method of the shock isolation of the mobile-platform is discussed in detail.Firstly,the shock isolation formula is put forward.Based on the formula the relations of the stiffness and damping ratio of the buffer with the displacement,velocity and acceleration of the equipment are discussed.Secondly,the formula of the shock energy consumption rate is provided.Based on the formula,the relation of the impact energy consumption rate with the stiffness and damping ratio of the buffer is analyzed.Finally,determination method of the technical parameters of the buffer is elaborated.The engineering design method of the buffer considering shock and vibration isolation is proposed.
出处
《噪声与振动控制》
CSCD
2018年第1期74-78,共5页
Noise and Vibration Control
关键词
振动与波
机动平台
冲击
隔离
缓冲器
vibration and wave
mobile-platform
shock
isolation
buffer
