系统误差

According to the Lyapunov stability theory, the weight update law of neural network, the adaptive law of error bound and the feedback control are obtained, thus the stability of closed-loop control system is ensured.

基于Lyapunov稳定性理论，得到了神经网络的权值更新律、误差界自适应律及反馈控制律，确保了闭环控制系统的稳定性。

Ecause the method can track satisfactorily all types of state of a class of uncertain variable structure systems, it can extend the nonlinear state error feedback control law and auto disturbance rejection controller application field.

该方法能有效跟踪变结构非线性系统的各阶状态变量，拓宽了非线性状态误差反馈控制器和自抗扰控制器的应用范围，同时给予了稳定性证明。

According to the Lyapunov stability theory, the weight update law of neural network, the adaptive law of error bound, the stabilizing function and the control are obtained, thus the stability of closed-loop control system is ensured.

基于Lyapunov稳定性理论，得到了神经网络的权值更新律、误差界自适应律、稳定函数及控制律，确保了闭环控制系统的稳定性。

By means of adjusting the grade of membership's valve a and the error limit δ,we can get the result of different bound exactitudes.

如何在已有的数据库中查询这些模糊信息，这就需要通过定义隶属函数、选择语气算子、确定系统阈值和误差限，对结构化的查询语言SQL进行模糊化处理，形成模糊化

The account results demonstrate that this arithmetic is better than the usual regress method, the relative error is limit, and the prediction is reasonable. Therefore, it provides an effective method to solve nun-linear forecasting problem as waterway freight.

结果表明，本算法的计算相对误差很小，预测结果合理可信，且优于常用的回归预测，为解决航道货运量等非线性系统预测提供了一条新的途径。

The results of the test data indicate that the prediction system is reliable and the root of mean square error is about 15%.

对测试数据的预测结果表明，该预测系统能够可靠工作，预测结果的均方根误差在15%左右。

The weighted data fusion algorithm,which is based on minimum mean square error,is then applied to fuse the received signal.

在此基础上，采用基于均方误差的权重数据融合算法融合接收到的标签信号。构建了相位检测系统并对融合方法进行了实验验证。

Finally the error source of the model and the expansibility of the system are discussed.

最后，讨论了该模型的时钟同步过程的误差来源及其系统的扩展性问题。

An adaptive control scheme based on linearization error model, is proposed.

本文提出了一种基于线性化误差模型的自适应控制系统。

Also, the effect of state estimation error and delay to the maximum communication interval is analyzed.

分别在状态反馈、输出反馈和离散情况下，研究了基于状态预估的网络控制系统的建模、稳定性分析、控制器设计和仿真，分析了数据链路的增加，状态估计误差和延时对最大通讯间隔的影响。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。