针对一类不确定非线性系统，基于李亚普诺夫稳定性理论提出了滑模自适应算法。

Taking aim at a class of uncertain nonlinear systems, a sliding mode adaptive control algorithm based on Lyapunov's stability theory was proposed.

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本文应用李亚普诺夫稳定性理论的直接方法，讨论了弹性支承上的压杆稳定问题。

In this paper, stability problem of beams supported on elastic foundation is discussed by means of Liapunov's direct method.

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本文基于李亚普诺夫稳定性理论，提出了一种参数补偿的模型参考自适应控制系统。

Based on Liapunov's stability theory, this paper puts forward a model reference adaptive control system with parameter compensation.

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