But , the positive feedback affects the stability of the closed system a lot , so a robust compound controller is given 但是，正反馈对闭环系统稳定性有很大影响，所以给出一个具有鲁棒性的复合控制器。
By using the switching scheme , we demonstrated that both improved performance and stability are achieved simultaneously 切换策略通过对上述两种控制器的切换，保证闭环系统输入输出有界的同时，改善了系统性能。
It was proved that the tracking error converges to the prescribed boundary layer and all the signals in the closed - loop system were bounded 算法保证闭环系统所有信号的有界性且使得跟踪误差收敛于任意设定的饱和层内。
Conclusion and proof were given which ensured that the tolerant control system is insensitive to the class of failures 结论证明，设计得到的容错控制系统在传感器正常时以及传感器出现故障时都可以保证闭环系统的稳定性。
The linear controller ensures the boundedness of the input and output signals , and the nonlinear controller improves performance of the system 线性控制器用来保证闭环系统输入输出信号有界，非线性控制器用来改善系统性能。
The results show that the double inverted pendulum equilibrium control system designed by the presented method has stronger robust stability 结果表明，利用本方法所设计的控制器使二级倒立摆闭环系统具有较强的鲁棒稳定性。
Necessary and sufficient conditions for the robust stability of feedback systems are derived in terms of the principles of the structured singular values 利用结构奇异值的概念和方法，给出了闭环系统鲁棒稳定性的充要条件。
The controller designed guarantees the semiglobal stability of the closed - loop system and the semiglobal output tracking of given desired trajectory 所设计的控制器不仅保证闭环系统半全局稳定而且使得输出能够半全局跟踪期望轨迹。
The servocontrol system of photoelectricity interference applied to capital ship and medium - sized ship adopts mechanical - electronic flat structure 转台驱动系统采用电机扩大机? ?直流电动机系统。伺服系统控制方案采用闭环系统来实现。
In the end , the system experiments were conducted , and the results show that the system can be used for short - distance ranging 最后采用延迟线闭环系统联调,实验结果表明所设计的测距方案能够用于近距距离测量,差频信号频率反映了距离信息。
