提出了一种基于最小二乘法的自适应谐波检测方法，并利用动力系统的均值理论证明了该方法的稳定性。

An improved adaptive harmonic detection method based on least squares algorithm was presented, its stability is proved by averaging theorem of dynamical system theory.

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考虑了一类具有多重时变滞后和有界控制器的不确定动力系统的鲁棒指数稳定性问题。

The problem of robust exponential stabilization of a class of uncertain dynamic systems with multi time varying delays and bounded controllers is considered.

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应用精度高、速度快的非线性油膜力数据库方法及非线性动力系统的稳定性和分叉理论对转子-轴承系统进行了分析。

The rotor bearing system was investigated using the stability and bifurcation theory for nonlinear dynamic system and the database method.

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