查询词典 fuzzy

A fuzzy sliding mode control method for the attitude control of an interceptor, which is derived by improving the quasi sliding mode conrol method with fuzzy control, is discussed.

摘要对拦截器姿态控制系统进行研究，用模糊控制方法对准滑模控制方法加以改进，形成了一种模糊滑模变结构控制方法。

Then, smooth actions of three controllers are assured. Using the definition of 'fuzzy transfer function', the approximate corresponding relationship between well-tuned parameter of PID liner controller and scaling gains of fuzzy controller is established.

在模糊控制器的参数整定上，借助于模糊传递函数的定义，建立了模糊控制器比例因子与PID线性控制器整定参数的近似对应关系，于是模糊控制器的最佳参数便可通过较少的试凑被整定出来，简化了模糊控制器的设计。

This article uses MATLAB the fuzzy logic toolbox design fuzzy control system for example transformer substation voltage reactive integrated control.

本文利用MATLAB的模糊逻辑工具箱对实例变电站的电压无功综合控制设计模糊控制系统。

Fuzzy optimization design of worm gear in new type valve actuator;2. Fuzzy optimization method was applied to design the worm gear in valve actuator.

将模糊优化设计方法应用于电动装置的蜗杆传动设计，建立了模糊优化数学模型，并对其求解方法进行了详细的说明，通过实例表明模糊优化设计可以使蜗杆传动更加符合客观实际，从而进一步减小电动装置的体积，提高电动装置的效率。

The result indicates that fuzzy optimum design method based on fuzzy synthetic judge of automobil transmission shaft is more practical value.

结果表明，基于模糊综合评判的汽车传动轴模糊优化设计，是一种更具有工程实用价值的综合设计方法。

Fuzzy mathematics is an effective tool in analyzing and treating fuzzy information in these problems with uncertainty or arisen from noise.

模糊数学在不确定性、不精确性及噪声引起的问题上，有其特有的计算分析操作，能有效地分析和处理模糊信息。

In view of the lack of consideration for the random and the fuzzy of design parameters in traditional optimal design for the machine tool spindle,the fuzzy reliability is introduced into the process, and then a mathematical model is estadlished in the light of the optimal design theory.

针对机床主轴常规优化设计不考虑设计参数的随机性和模糊性，提出将模糊可靠性引入到主轴的优化设计中，在常规优化设计的基础上建立了机床主轴模糊可靠性优化设计的数学模型。

This paper has researched the airplane ground job operation using earliness and tardiness scheduling with distinct due windows,the mathematic model is established by fuzzy programming ,the uncertain processing time are denoted by the triangle fuzzy numbers,and simulation using particle swarm optimization is given to illustrate the efficiency of the presented models and the optimal algorithms.

对具有不同时间窗的提前/拖期调度方法应用于飞机地面作业调度进行了研究，用模糊规划建立数学模型，用三角模糊数表示了地面作业中时间的不确定性，应用粒子群优化算法对模型进行了仿真。

In this paper,based on study of Fuzzy control algorithm and PID algorithm,and for the advantages and disadvantages of this tow algorithm,putting forward the Fuzzy-PID compound control for swivel table control system.

基于对模糊控制算法和PID控制算法的研究，和鉴于两种算法的优缺点，提出了模糊-PID复合控制算法用于转台控制系统中，这种控制算法将大大提高转台抗外部干扰和内部参数变化的鲁棒性能，改善了转台的动、静态特性。

This paper makes use of PID control, Fuzzy- PID control based on single parameter these two control strategies to simulate the systems model. Compared with common vehicle, the results of simulation show that the vehicle equipped with the electromagnetic power steering system has better yaw velocity frequency response characteristic under condition with step input of steering wheel, so it has more betterhandling stability; Compared with PID control strategy, the results show that the Fuzzy-PID control strategy has the advantages, such as response fast, stabilize itself quickly and less over-altitude.

本文使用了PID、单参数自整定Fuzzy-PID两种控制策略对系统模型进行控制，仿真结果表明：相对于普通汽车，装有电磁式助力转向系统的汽车在方向盘转角阶跃输入的情况下，汽车横摆角速度频率响应特性更好，因此具有更好的操纵稳定性；而相对于采用PID控制，采用单参数自整定Fuzzy-PID控制又可以使系统响应更迅速、超调量更小、稳定更快。

Researches reveal that students who suffer from corporal punishment tend to resort to violence in their future life.

研究表明遭受过肉体惩罚的孩子倾向于在他们今后的人生中使用暴力。

Total sugar of sarcocarp and chlorophyll of pericarp increased firstly, and then decreased afterward along with altitude; Titratable acidity, ascorbicacid and anthocyanin of pericarp were increased along with altitude; The content of protein increased firstly and decreased afterward along with altitude; Carotenoid of pericarp were decreased along with altitude.

果肉总糖和果皮叶绿素含量随海拔高度升高先升高后降低；可滴定酸、维生素C和果皮花青苷含量均随海拔升高而升高；蛋白质在1720m处最大，1420m处最小；果皮类胡萝卜素随海拔升高而降低。