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简述二阶系统特征根随阻尼比变化情况。

问答题
2022-01-04 14:11
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正确答案

1)当时,系统的特征根为一对纯虚根;
2)当时,系统的特征根为一对具有负实部的共轭复数根;
3)当,时系统的特征根为一对相等的负实数根;
4)当,时系统的特征根为一对不相等的负实数根


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