一阶加纯滞后或二阶加纯滞后，并且提出了时滞系统的模型参考自适应控制的设计方法。

And a design method of model reference adaptive control for system with pure lag is presented.

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为了保证设计安全，精确计算框架的稳定问题，必须考虑二阶效应，即非线性对框架结构的影响。

In order to ensure the safety of design and calculate the stability problem of frames accurately, second-order effect must be concerned, that the influence of nonlinear to frames structure.

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考虑了基于输出及其微分反馈的广义二阶动力学系统输出渐近跟踪设计。

Design of output asymptotic tracking for a class of descriptor second-order dynamical systems based on output plus derivative feedback is considered.

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