模糊

Because of shortcomings of fuzzy controller,a fuzzy controller of self-tuning proportionality factor based on PI arithmetic is presented.

0引言模糊控制是以模糊集合论、模糊语言变量及模糊逻辑推理为基础的计算机智能控制。它不要求知道被控对象的精确数学模型，只需要提供现场操作人员的经验知识及操作数据。

The simulation on a system of boiler drum water level control indicates that the fuzzy controller of self-tuning proportionality factor based on PI arithmetic can improve the performance of fuzzy control system and can control the fallacious water level.

为减小模糊控制器的误差，最常用的就是将PID控制与模糊控制结合起来，从而构成模糊PID控制。然而由于引入了积分作用，使得控制过程的响应时间大大增长，失去了模糊控制响应快速的特点。

Chain-grate bed temperature field is a large inertial, nonlinear and time delays controlled system.Its math model is not easy to figure out.Three Fuzzy-PID controllers are presented in this paper based on the dynamic character of fuzzy control and the static character of PID control.They are simulated via combining fuzzy logic toolbox with Simulink.The simulation result shows that they have better characters both in dynamic and static than general PID controller.At the same time, they have better robustness...

链篦机篦床温度场是大惯量、非线性、纯滞后的系统，其数学模型具有较大的不确定性；为实现其精确控制，结合模糊控制和PID控制各自在动态响应和稳态精度上的优势，提出了三种模糊PID控制器；利用Matlab的模糊工具箱和Simulink对三种控制器和常规PID控制进行了仿真比较；仿真结果表明，三种模糊PID控制器与常规PID控制相比具有良好的控制品质和较好的适应性。

By regarding fuzzy random variables as the particular case of measurable fuzzy setvalued functions and systematizing the achieved results [55～56] , opening further up the study, the paper introduces the concepts of complex fuzzy random variable, the distribution function and fall-shadow distribution function of complex fuzzy random variable, and investigates their fundamental properties.

6将动态模糊集合与模糊集值函数的概念推广到了动态复模糊集合和复模糊集值函数的情形，并且讨论了它们的若干基本性质

Two amelioration operators were developed, such as the triangular intuitionistic fuzzy numbers weighted arithmetic average operator, and the f interval-valued intuitionistic fuzzy numbers weighted geometric average operator.

定义了三角和区间直觉模糊集的一些运算法则，给出了直觉模糊集两个改进算子，即三角模糊数加权算术平均算子和区间直觉模糊数加权几何平均算子。

We introduce the uniform Hausdorff metric H on the space 〓 offuzzy complex numbers and investigate the topological structure of 〓.We show the completeness of 〓 and study on 〓 limits of thesequence of fuzzy complex numbers,metrical and leverwise convergence,and relation between metrical convergence and leverwise convergence.Weprove the equivalence theorem of metrical convergence and leverwiseconvergence on 〓.

在模糊复数空间〓上引进一致Hausdorff度量H，讨论了模糊复数空间的拓扑结构，证明了的完备性，并在完备的模糊复数度量空间上研究了模糊复数列的极限、度量收敛和水平收敛，讨论了度量收敛与水平收敛之间的关系，在上证明了度量收敛与水平收敛的等价性定理。

According to the structured element representation theorem of fuzzy number and fuzzy-valued function, we obtained one-to-one isometric mapping from the family of standard bounded monotone function with same monotonic formal on [-1, 1] to the fuzzy number space, and proved they are homeomorphic.

在模糊值函数的模糊结构元表述理论的基础上，利用[-1，1]上同序标准单调函数类上的距离诱导出模糊值函数空间上的距离，证明了模糊实数空间与[-1，1]上同序单调函数类同胚。

First, attribute value matrices are transformed into fuzzy relationship matrices according to the theory of fuzzy mathematics,and then by combining the fuzzy relationship matrix with hungarian method an assignment problem with multiobject is proposed in this paper.

运用模糊数学的思想，首先将各目标下的属性值矩阵转化为模糊关系矩阵，再将模糊关系合成矩阵与解决传统指派问题的匈牙利法相结合，提出一种求解多目标指派问题的综合方法：模糊匈牙利法，并结合优化潜艇兵力配置问题进行了应用分析。

When the cost coefficients are fuzzy, the total assignment cost will be fuzzy as well. The Yager's ranking method is utilized to transform the fuzzy cost coefficients into crisp value, then the firm's optimal policy can be determined via the classical Hungarian method.

当指派人员执行各项工作的成本系数为模糊数值时，厂商的总指派成本亦为模糊数值，本研究的构想乃在於利用Yager 的模糊数值排序法，先将成本系数的模糊数值转换为明确数值，之后再利用传统的匈牙利法进行求解。

The method of fuzzy synthetic assessment is one of the most useful fuzzy mathematics methods presently. It is of advantage to deal with conception of experience illegibility, and it transforms uncertainty to certainty in form and quantifies illegibility in order to carry out the transformation from quality to quantity of slope stability evaluation.

模糊综合评判法是目前使用最多的模糊数学方法之一，对处理经验模糊性的事物和概念具有一定的优越性，将不确定性在形式上转化为确定性，将模糊性加以数量化，从而实现边坡稳定性评价由定性描述向定量计算的转变。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。