Methods of increasing damping radio are introduced for fluid power system, and the pneumatical proportional servo system with variable damping ratio is put forward.
介绍了流体动力系统常用的提高阻尼比的方法，提出了可调液压阻尼器的变阻尼气压比例伺服系统。
The effect of stiffness constant, viscosity damper coefficient and variable mass on the damped frequency and the relative damping ratio of the system were studied.
研究了系统刚度、粘性阻尼系数尤其是变质量等参数对系统固有频率和阻尼比的影响。
The objective function for GA takes damping ratio as its variable .
所得到的阻尼比作为大扰动下控制效果的评估指标。
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