查询词典 fuzzy degree

ABSTRACT Motived by the status of theoretical studies and the requirements of engineering applications in the fuzzy control system, the characters of fuzzy logic systems are analyzed, the mathematic model of a class of fuzzy logic system is built, especially the ways how to use the model to identify the nonlinear dynamic system and design the adaptive control system are researched deeply in this paper.

本论文根据模糊控制理论研究的发展现状、存在的主要问题以及工程实际应用的基本要求，分析了模糊逻辑系统的特性，建立起一类模糊逻辑系统的数学模型，并对其用于非线性动态系统辨识与自适应控制系统设计方法等方面进行了深入的研究，为解决某些传统方法难以解决的工程实际问题提供了新的思路。

A fuzzy variable structure controller inherits the robust characteristics of sliding mode control and interpolation property of fuzzy logic control. The robustness property of variable structure system makes the control system insensitive for different burthen variety and different outside disturbance. Fuzzy control predigests the device of control system and alleviates the chattering which variable structure system causes .

模糊变结构控制器继承了滑模控制的鲁棒性能和模糊逻辑的内插性能，变结构控制的鲁棒性使系统对不同的负荷变化、不同的外界干扰不敏感，模糊控制简化控制器的设计，减弱由变结构引起的抖振现象，实现更良好的控制效果。

Therefore, the investigate will combine the fuzzy logic theory and the approach of the sliding mode control to design three fuzzy-hierarchical controllers for the inverted pendulum-cart system with the nonlinearity friction and the limitations on the control action,, and the rail length,. Furthermore, it also adopts the adaptive mechanism to enter into three controllers above to design three adaptive-fuzzy-hierarchical controllers.

因此，研究中将在轨道长度与控制命令受限制之情况下，利用模糊逻辑控制理论结合顺滑模式控制之方式，针对具有非线性摩擦力之360°倒单摆-滑车系统设计出三组模糊阶层化倒单摆-滑车控制系统；最后又引入适应性学习机制针对输出模糊集合单值参数进行设计，另外建立出三组适应性模糊阶层化倒单摆-滑车控制系统。

Use fuzzy inference ability of fuzzy controller to realize on-line adjust the parameter of fuzzy controller, toresolve the problem of control quality bad trend when interference is given to oxygen content of the flue gas of boiler.

该技术利用模糊控制器的模糊推理能力来实现模糊控制器参数的在线调节，解决锅炉烟气氧量遇到较强的干扰系统控制质量趋于恶化的问题。

The fuzzy T-S model was much more precise than the neural network model for burning through point based on process parameters. The rise time and regulating time of the fuzzy predictive control method were respectively 9 min and 18 min which were both much shorter than those by using the fuzzy control method for burning through point in lead-zinc sintering process.

结果表明：模糊T-S模型能有效抑制垂直燃烧速度不确定性的影响，具有较高的辨识精度，能够满足工业现场生产指导的需要；此外，烧穿点的模糊预测控制方法比单纯的模糊控制调节时间短、超调量小，能快速有效地响应烧穿点的变化，具有一定的应用价值。

Aiming at the characteristics of car retarder control system and its performance requirement, a fuzzy self tuning PD controller for retarder control is designed. It takes speed error and its change as fuzzy variables to determine the fuzzy control rules. Using the determined rules, the parameters of PD controller is adjusted on-line, which can be adapted well to required speed and the process parameter variation of retarder feedback control.

针对车辆减速器控制系统的特点和性能要求，设计减速器模糊在线自校正控制器，以调速过程中速度误差及其变化为输入语言变量，建立模糊控制规则；根据模糊控制规则在线调整PD控制器的参数，使控制器能较好地适应减速器闭环控制定速设定及过程参数时变。

Based on the analysis of the features of the general Fuzzy Controller implement ed by look-at table,this paper presents a new method,multiple fuzzy controller m ethod,to improve the control accuracy of the general fuzzy controller.

在深入分析查表方式的常规模糊控制器的性能的基础上，提出一种新颖的多重模糊控制器方法来提高查表方式的常规模糊控制器的控制精度，并给出了仿真结果。

Fuzzy control is applied to variable-frequency regulating speed of AC induction motor in this thesis, where one kind of fuzzy controller of speed is designed with Mamdani model. Then the slip frequency control system made up of fuzzy controller is simulated, the simulation results show that its performance is better than that of general PI controller.

论文将模糊控制技术应用于感应电机的变频调速，采用Mamdani模糊逻辑模型，设计了一种转速模糊控制器，并对基于模糊控制的感应电机转差频率控制系统进行了数字仿真，结果表明模糊控制的控制性能优于常规的PI调节器。

In the course of researching the fuzzy predictive control which base on the T-S fuzzy model, and depend on the characteristics of this drying system, this paper provides the control project in the basis of temperature and humidity and other parameters in the processing of drying system which at the basis of fuzzy logic.

在重点研究基于 T-S 模糊模型的模糊预测控制的基础上，根据本干燥系统自身特点，提出了基于模糊逻辑的干燥系统运行过程中温度、湿度等参数的控制方案。

X(k+1)\}=AX\}(1) where A is an n×n fuzzy matrix, the n-tuple fuzzy vector X(0) is a starting state, AX are products of fuzzy matrices in the sense of max-T and T is a triangular norm.

考察如下模糊离散动力系统X(k+1)=AX (1)其中A为n阶模糊方阵，系统初态X(0)为n维模糊向量，AX为max-T 意义下模糊矩阵的乘积， T为三角模。

The Porsche Owner: But it's my car!

可，这是我的车呀。

LOX_83}{Oh, another bunch of wackos.

{LOX_83}{呃，又一群怪人。