变模糊

My head rew heavy my sight grew dim.

我的头越来越沉，视线也变得模糊。

Multi-rod inverted pendulums are typical multi-variable nonlinear systems, that their movement control is very difficult.

变论域自适应模糊控制器是处理非线性系统的有效工具之一。多级倒立摆为多变量的非线性系统，它的运动控制十分困难。

The improvements in the IAGA contained adding strengthen operator, improving evaluation index of premature, etc. Multi-phase homing project, making use of the flight properties of parafoil system in gliding and turning, was simple in control and facile in practice. Based on Frenet frame, the linear time-variable error equations of parafoil system were built.

基于Frenet坐标系推导和建立了翼伞系统线性时不变的误差方程，并运用&投影点&的思想来获得Frenet坐标系下偏差量的解析近似表达式，从而设计了用于翼伞系统航迹跟踪的传统PD控制器和增益调节型模糊PD控制器。

Thus, initial gains of FLC are suggested to be designed based on the well-tuned linear control structure for a simple process, and they can be determined based on the VSC theory for a complex process.

对于简单过程，模糊控制的初始增益可以用已调好的线性控制参数来设计；对于复杂过程，可用变结构控制理论来设计。

The linear combination of the error and its derivative are selected as switch surface, and then the tendency law method is used to design VSC control law. T-S FNN is imported, so that the actual output can trail the given value.

选择误差及其各阶导数的线性集结作为切换面，用趋近律方法设计变结构控制律，引入T-S模糊神经网络，使实际输出始终跟踪给定值。

Variable structure control ; fuzzy control ; Terminal sliding mode control ; electric steering engine

变结构控制；模糊控制； Terminal滑模控制；电动舵机

Based on the analysis of dynamic characteristics of the main steam temperature ,considering the feature of the large delay,the large lag and slow-time varying and the various disturbances for the main steam temperature ,the centers around a strategy which combines fuzzy with PID control to control the main steam temperature .

通过对CFB锅炉主汽温度动态特性的分析，针对主汽温度的大迟延、大惯性、慢时变及扰动因素多的特点，研究了模糊控制与PID控制相结合对主汽温度进行控制的策略。

For a class of Shunt-wound Active Power Line Conditioner, based on analysis of mathematical model of system and target of control, the algorithm of fuzzy variable structure sliding mode control is presented. The control algorithm can avoid complicated calculation of harmonic electric current in traditional control algorithm, and realize the feedback control of electric current. The algorithm is simple and easily implemented.

针对一类并联型有源电网调节器在分析系统数学模型和控制目标的基础上，提出了模糊滑模控制策略，避免了传统控制方法中复杂的谐波电流计算，实现对电源电流的闭环控制，该算法简单、易于实现，仿真结果证实了变结构滑模控制的有效性。

An improved variable step-size self-adaptive harmonic detection method is proposed in this paper. The proposed method adopts a sliding integrator and then uses a fuzzy adjustor with self-adjustable factor to modify the step size, so it can obtain fast convergence speed and high steady precision at the same time.

在以往研究的基础上，提出了一种改进的变步长自适应谐波电流检测方法，它利用滑动积分器提取真正的跟踪误差，并采用带有自调整因子的模糊调整器来动态调整步长，能够保证谐波检测过程既具有较快的动态响应速度，又保持较小的稳态失调。

However, the results of the previous works about the first-order phase transition are confused and even contradict each other.In this paper, the properties of the phase transition in the transverse spin-2 Ising model with different single-ion anisotropies are studied employing mean-field theory and correlated effective-field theory.

目前，研究最活跃的是所谓的Blume-Capel模型(简单记为BC模型，是只考虑线性交换作用和单离子各向异性的Ising模型)及其扩展模型(引入横场的BC模型和引入无序的BC模型)，但关于BC模型及其扩展模型的一阶相变的结果还很模糊。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷