Aiming at the practical time-delay factors, the analysis of time-delay stability of robust PID vibration control system was carried out and the maximum time-delay of the stable system was obtained.

考虑到实际系统中存在的时滞因素，对设计出的鲁棒pid控制系统进行了时滞稳定性分析，得出了使系统稳定的最大时滞量。

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This paper has discussed the robust stability for the linear controller system with multpath delay and multivariable disturbance, and give a controller law with stable control law.

讨论了多时滞扰动线性控制系统的鲁棒性稳定，给出了该系统一个稳定化控制律。

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Taking the problem of autonomous precise landing as an integration of trajectory tracking and robust control, precise landing control law was designed based on online stable inversion and SMC.

针对着陆过程中动态方程的非最小相位特性，利用在线稳定逆产生用于着陆轨迹精确跟踪的前馈输入和状态参考轨迹。

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