By applying the structure invariant theory in the control strategy, the feedforward-feedback control theory is applied in the control system design to reduce the redundant force.
论文从控制系统的结构方面，利用结构不变性原理，针对位置扰动设计专门的前馈补偿控制器，减小位置扰动的影响。
The invariant conditions of the stabilized platform control system for variable structure control were verified and a sliding mode was constructed.
验证了稳定平台控制系统对于变结构控制的不变性条件，构造了滑动模态。
For integer ratio conversion, the filters would be time-invariant, but for fractional ratio conversion, the filters would be time-variant whose structure is more complex.
实现整数倍采样率转换可以采用时不变滤波器，然而实现分数倍采样率转换一般需要采用较复杂的时变滤波器。
Object invariant describes the relationship of the object-oriented data structure, it always holds true after the object creation and on the entrance and exit of the method invocation.
对象不变式描述了面向对象数据结构中元素间的关系，在对象创建后以及方法引用前后它总为真。
The main problems which invariant theory research are the set of generators of invariants, the defining relations of the generators of invariants, the structure of invariant ring, and so on.
不变理论研究的主要问题是不变环的生成元集合，生成元之间的定义关系及环结构等等。
This variation has infinite solution. It is only applicable in the invariant state of ventilation network structure and parameters.
这种变换存在着解的无穷性，并且仅适用于通风网路的结构和参数不变的状态。
The anisotropy invariant map was also introduced briefly. The effect of the distance away from the wall and the Reynolds number on the turbulence structure in a pipe flow was also analysed.
介绍了湍流不变量图在圆管湍流研究中的应用，分析了离壁距离和雷诺数对管流湍流结构的影响。
The experimental results show that the proposed structure has projective invariant which does not change with the variation of the viewpoints.
实验验证了文中提出的几何约束结构具有不随物体成像视点改变的射影不变量。
A simple neural network structure and its learning algorithm are presented for the purpose of system identification of a linear time invariant system which is represented by the state space equation.
神经网络方法可用于动力学系统的参数估计，包括时域和频域建模。将单层神经网络用于单交量线性连续时不变系统的参数估计中，线性系统分别用状态方程及传递函数来描述。
In Chapter 4, we focus on the structure of the rational invariant fields of the maximal subgroups and root subgroups of finite classical groups.
第四章在有限典型群的极大子群和根子群的有理不变式域方面做了一些讨论。
The invariant conditions of the stabilized platform control system for variable structure control were verified and a sliding mode was constructed.
系统状态一旦进入到准滑动模态，就对设备参数变化和外界干扰显示出强的鲁棒性，因为控制器的设计完全考虑了边界层的影响。
The invariant conditions of the stabilized platform control system for variable structure control were verified and a sliding mode was constructed.
系统状态一旦进入到准滑动模态，就对设备参数变化和外界干扰显示出强的鲁棒性，因为控制器的设计完全考虑了边界层的影响。
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