Perfection and adjustment according to system properties , it combines genetic algorithms with fuzzy control , detailed analyzes the problem of designing fuzzy controller and proposes two advanced schemes : first scheme : the change - of - variables are emerged into input variables of the simple fuzzy controllers of oil feeding pump system as one variable , and one pi block is connected after output of fuzzy controllers , consequently the structure of the improved fuzzy controller is analyzed , finally genetic algorithms with adaptive probabilities of crossover and mutation is applied to optimize membership functions and fusing factors of the fuzzy controllers , and the simulation results of before and after optimization are compared 由于在模糊控制器的设计过程中存在较多的人为因素，为了实现根据系统特性对模糊规则和隶属函数进行自动修正、完善和调整，本文将遗传算法和模糊控制结合起来，并针对前面设计的模糊控制器中所存在的问题进行了详细分析，提出了两种改进方案： 1在简单模糊控制器的输入变量中加入了变量变化率的信息，即将输入变量和变量的变化率融合为一个输入量，并在模糊控制器的输出端加入比例、积分环节，然后分析了这种改进后的模糊控制器的解析结构，最后采用改进后的自适应遗传算子的遗传算法对模糊控制器中的隶属函数和融合因子进行优化，并将优化前后的结果作了比较和分析。 2
The stress is basing coal - fired boiler inflammation system feature and control demand to design a kind of fuzzy - pi controller on based of genetic algorithm to control it . the controller refers the error and its variety rate as its inputs . and , in order to make the control qualities much better , concerns them as the performance index to optimize the membership function of the fuzzy variables and the pi ' s controller parameter by means of online adjujsting the genetic algorithm , inflammation system steam pressure loop and economic inflammation loop 重点是针对燃煤锅炉燃烧系统的特点和控制要求，设计了一种基于遗传算法的模糊- pi复合控制器对其进行控制，该控制器以偏差、偏差变化率作为输入量，通过遗传算法在线调整模糊控制器的模糊变量隶属度函数和pi控制器的参数，从而达到优化模糊控制规则和pi控制器参数的目的，实现燃烧系统的蒸汽压力回路和经济燃烧回路的控制要求。
A fuzzy controller with two input variables and one output variable is considered to be suitable to control weld pool width . the input variables of the fuzzy controller are the variation of the welding pool width and its rate , and the output variable is the welding currert 本文对熔宽模糊控制器的结构以及模糊控制变量的选择进行了讨论，在此模糊控制系统中采用双输入单输出的模糊控制器模型，即采用熔宽的变化及其变化率作为模糊控制器的两输入量，采用焊接电流作为模糊控制器的输出量。
Abstract : a methodology to reduce the input fuzzy sets with the hyperplane of generalized state error is discussed in this paper based on sliding mode control ( smc ) theory , a method of varying nonlinear fuzzy sets range using some parameter is proposed , and some internal properties of fuzzy controller is analyzed to show that the fuzzy controller outperform the pid controller , such as the stability and steady - state error 文摘:根据滑动模态原理，将模糊控制系统的输入量简化为广义跟踪误差的一个超平面，并基于三角形的非线性划分语言变量的隶属度，分析了模糊控制系统的某些性质，表明在系统稳定性、稳态误差等指标方面，模糊控制器优于一般的pid控制器
The gpss have one output and two inputs which are speed error and its derivative . selecting triangular function as fuzzy variable ' s membership function , mamdani max - min synthetic method as fuzzy inference method and centroid method as denazification method , fuzzy control rules are given according to the control expectation of governor and the experience of operating staff 这种模糊gpss采用二输入单输出结构，以机组转速误差及其导数为输入量，以三角形函数作为模糊量的隶属函数，根据水电机组稳定控制要求和操作人员的经验制定控制规则，以mamdani的max - min合成法和重心法分别作为模糊推理方法和清晰化方法。
According to these , the paper put forward some countermeasures : select low carbon steel or low metal alloy steel with lower intensity , like 20r steel ; while welding , adopt strict craft measures with lower welding heat to input ; after jointing , proceed the whole hot dissolving on time ; control each welding joint with hardness hb 185 ; add 0 . 25 % water into the liquid ammonia as decay eclipse ; enhance checking in operation , repairing equipment in time through regular interior and exterior checking 针对上述原因提出了防止氨冷器类临氨压力容器产生应力腐蚀裂纹的对策：选用强度稍低，但抗裂性较好的低碳钢和低合金钢，如用20r钢制造；焊接时应采用严格的工艺措施和较低的焊接热输入量；焊后应及时进行整体消除应力热处理；控制焊接接头各区硬度hb 185 ；在液氨中添加0 . 25 %的水作为缓蚀剂；在运行中加强检查，及时进行停车检修时的内外部检查和定期检验。
In this paper , author built a comprehensive diagnosis expert system mathematical model . the surroundings factors 、 in - out of object 、 infrared signal and other signal are used as input , and case comparing is referred , all the this cause the real comprehension of system 在本文中，作者构建了一个综合诊断专家系统数学模型，作者采用了环境因素、设备输入输出量、红外信号、以及其他检测方式(例如dga )所得的信号作为输入量，同时还参考案例比较的结论，做到了专家系统真正的综合。
In the succedent two chapters , the principle of strain gauge torque instrument is firstly analyzed and researched . then the proportional relations between torque input of torque sensor and voltage output . at last , the research and calculation of every mechanical part of strain gauge torque measuring instrument are done in detail 在随后的两章中，首先对应变式扭矩仪的工作原理进行了研究和分析，推导出了扭矩传感器扭矩输入量与输出电压值之间的比例关系，然后，对应变式扭矩测量仪机械结构的各个组成部分作了详细的研究和计算。
In the process of parameters identification , the stator voltag is considered as input quantity and the stator current and motor rotate speed are considered output quantities . the rotor resistance and leakage inductance are estimated on - line and the identification results is got at last 在参数辩识过程中，以电机起动时的定子电压为输入量，定子电流和电机转速为输出量，对复合笼条转子感应电动机转子电阻和漏感进行在线估计，最后得到转子电阻和漏感的辨识结果。
In this thesis , the author analyses the deficiency in detecting and controlling function of the computer detecting and controlling system utilized in present transforming station . the strategy of design of software on operation and direction of 5 00kv transformer station is presented . it points out that we can deduce the mathematic analytical formula using the current , voltage and power of two terminals of transmission line as input . on this basis , we do realtime calculation of 500kv transmission line ' s parameter . we can also deduce the linear analytical formula of three - winding autotransformer ' s resistence using its current , voltage and power as input . the corresponding software is programmed on this basis 论文提出以输电线路本端和对端电流、电压、功率作为输入量，导出了超高压长线的波阻抗和传播常数的数学解析式，在此基础上进行了500kv输电线路实时参数计算；提出以三绕组自耦变压器的电流、电压、功率为输入量，导出了自耦变压器绕组的电阻、电抗的线性解析式并进而对变压器的实时参数进行计算；在此基础上编制了相应的软件。
