查询词典 fuzzy set

An adaptive fuzzy control system for 300kA prebake aluminum production cells was designed,which includes the sampling,transmission and pretreatment of the parameters,the database and fuzzy logical determination,the parameter recognition and adaptivity of the fuzzy rule and actor.

该系统包括参数采集，参数网络传输和参数预处理，专家知识规则库、模糊逻辑决策，参数辨识、模糊规则自适应，人机界面和执行机构等模块。

To simplify the comparison of symmetrical triangular fuzzy numbers, through the analysis to the satisfactory degree function of fuzzy numbers presented by Tanak, a simple and convenient formula for comparing two symmetrical triangular fuzzy numbers is presented, and the limitation of the formula presented by Liu Xinwang is proved.

为简化正规三角模糊数的比较。通过分析Tanaka提出的模糊数比较的满意度函数，得到了2个正规三角模糊数比较的简便公式；指出了刘新旺提出的模糊数比较公式的局限性。

In order to overcome the large delay and the uncertainty of the system, a P-Fuzzy-PID controller with fuzzy switching based on fuzzy rules is applied to the aircraft deicing vehicle heating system.

理论分析和仿真结果表明，应用这种方法所设计出的飞机除冰车加热系统，在稳定时间和稳态精度方面均优于单一的PID控制和模糊控制。

This paper analyses some typical fuzzy problems in the faults diagnosis with the fuzzy mathematics, and prcsents the fuzzed representation of rules and the way of fuzzy multi-criteria analysis on which the uncertain prob-lems can properlybe solved.

运用模糊数学理论分析了故障诊断中若干具有代表性的模糊性问题，提出了采用规则的模糊化表示和模糊综合评判的方法可以有效的解决某些不确定问题。

Based on analyzing the deficiency that traditional QFD which adopted exact digital scale cannot tackle the fuzzy problem effectively, according to linguistic variable expression style of HOQ input information and subjective evaluation way of HOQ constructing process, the comprehensive theoretic framework of fuzzy HOQ is founded. Surrounding each part of data fuzzing in building and analyzing process of HOQ and decision-making research of HOQ in the fuzzy environment, resolution methods are studied.

本文在分析传统质量功能配置方法采用精确数字标度无法有效处理模糊性问题的不足基础上，基于质量屋输入信息的语言变量表达形式和质量屋构建过程的主观评估方式，建立了完整的模糊质量屋理论框架，并围绕质量屋建立与分析中各部分的信息模糊化处理以及模糊环境下的质量屋决策研究解决方法。

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。

Smoking cigarettes adds to the Computer Desk Computer manufacturer computer mouse Computer Computerized collar knitter machine Conduit Bodies construction board Container Bag Control Arm Cooking Thermometer general levels of air pollution as well as damaging our health.

吸烟不仅对健康有害，而且增加空气污染程度。香烟雾含有多种有害物质：不仅有致癌化学物质、有某种能阻止氧气进入血液的气体，还有引起血压增高、心速加快的被称为尼古丁的物质。

He is one of my favorite actors.

他是我最喜欢的男演员之一。