Both single and double stable limit cycle flutter states are found.
风洞吹风中测出了单稳定极限环、双稳定极限环颤振的情况。
It is not satisfied general condition for existence of a stable limit cycle.
给出了其极限环存在性、唯一性以及稳定性的证明。
The conditions were given to ensure the system has stable limit cycle and unstable limit cycle, respectively.
给出了系统分别存在稳定极限环和不稳定极限环的条件。
By using the qualitative methods of ODE, the positive equilibrium's global stability and existence and uniqueness of non-small amplitude stable limit cycle were obtained.
应用常微分方程定性方法，得到了正平衡点的全局稳定性和非小振幅极限环的存在唯一性的充分条件。
In other words, the unstable limit cycle will be bifurcated from the original asymptotical stable equilibrium point at another higher series compensation level, and the system dynamics will change.
换句话说，在另一较高的串联补偿度上，轨道不稳定的极限环将从原来渐近稳定平衡点上分岔出来，系统的稳定性态将被改变。
In other words, the unstable limit cycle will be bifurcated from the original asymptotical stable equilibrium point at another higher series compensation level, and the system dynamics will change.
换句话说，在另一较高的串联补偿度上，轨道不稳定的极限环将从原来渐近稳定平衡点上分岔出来，系统的稳定性态将被改变。
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