劳斯判据 ( Routh Criterion ) 劳斯判据 已知系统的特征方程式为 系统稳定的必要（但不是充分）条件是： 特征方程式（4-43）的各项系数全都是正值。
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routh criterion of stability 劳思稳定性判据
Routh criterion of excitation control 励磁控制的劳斯判据
Utilizing Routh criterion 利用劳斯判据确定
routh stability criterion 劳思稳定判据 ; 劳斯稳定判据 ; Routh稳定判据 ; 劳斯判据
Routh-Hurwitz criterion 劳斯 ; 牢士赫末兹准则
routh h criterion of stability 劳思稳定性判据
Routh criterion", The Routh criterion can be used on low order systems ."
罗斯准则可使用在低阶系统上。
An example shows that the result by the perturbation bounds method is superior to that of the Routh Criterion.
实例计算表明，单向摄动界法较劳斯判据法更为快速、精确。
This article has obtained the stable condition of the system according to the Routh criterion and provided a theoretical basis for the choice of CNC system and the adjustment of position gain.
在对数控机床进给伺服系统进行动态分析的基础上，根据劳斯判据得出了系统稳定的条件，为数控系统的选择和位置增益的调整提供了理论基础。
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