The simulated results indicate that , the self - adaptive pid controller based on fuzzy control has the self - adapt coefficient , thus can self - adapt the control regulations , greatly adapts the wide range of the controlled object ' s parameters " changing , while the control traits changes little . therefore it has high robustness and adaptive ability 仿真结果表明，基于模糊自适应pid的控制器具有自动调整因子，从而能够调整控制规则，可以很好地适应受控对象参数在大范围内变化，而控制性能的变化不大的情况，因此它具有很强的鲁棒性和自适应性。
Firstly , influence factors of generalization of neural network are presented in this thesis , in order to improve neural network ’ s generalization ability and dynamic knowledge acquirement adaptive ability , a structure auto - adaptive neural network new model based on genetic algorithm is proposed to optimize structure parameter of nn including hidden layer nodes , training epochs , initial weights , and so on ; secondly , through establishing integrating neural network and introducing data fusion technique , the integrality and precision of acquired knowledge is greatly improved . then aiming at the incompleteness and uncertainty problem consisting in the process of knowledge acquirement , knowledge acquirement method based on rough sets is explored to fulfill the rule extraction for intelligent diagnosis expert system , by completing missing value data and eliminating unnecessary attributes , discretization of continuous attribute , reducing redundancy , extracting rules in this thesis . finally , rough sets theory and neural network are combined to form rnn ( rough neural network ) model for acquiring knowledge , in which rough sets theory is employed to carry out some preprocessing and neural network is acted as one role of dynamic knowledge acquirement , and rnn can improve the speed and quality of knowledge acquirement greatly 本文首先讨论了影响神经网络的泛化能力的因素,提出了一种新的结构自适应神经网络学习算法,在新方法中,采用了遗传算法对神经网络的结构参数(隐层节点数、训练精度、初始权值)进行优化,大大提高了神经网络的泛化能力和知识动态获取自适应能力;其次,构造集成神经网络,引入数据融合算法,实现了基于集成神经网络的融合诊断,有效地提高了知识获取的全面性、完善性及精度;然后,针对知识获取过程中所存在的不确定性、不完备性等问题,探讨了运用粗糙集理论的知识获取方法,通过缺损数据补齐、连续数据的离散、冲突消除、冗余信息约简、知识规则抽取等一系列的算法实现了智能诊断的知识规则获取;最后,将粗糙集理论与神经网络相结合,研究了粗糙集-神经网络的知识获取方法。
Avoiding the use of mathematic models , the fuzzy logical control ( flc ) system meets the control demands of the tunnel ventilation process well which is a nonlinear distribution system . but because of its lacking of learning and adaptive ability , many problems has emerged when using flc : the membership functions of the fuzzy variables cannot be changed , the fuzzy logical rules cannot be modified automatically when environmental variables such as traffic model , average exhaust , etc , are changed . for this reason , the paper uses fuzzy neural network control ( fnnc ) system to improve the control process 模糊控制系统避开了数学模型，能很好适应公路隧道通风系统非线性和分布式参数特征，但是模糊控制系统本身的学习和适应能力差，导致了模糊变量各语言值隶属函数和控制规则不能随着环境参数(如交通量、基准排放量等)的改变而自动调整和修改等问题，本文将具有强大学习能力的神经网络融合到模糊控制系统中，研究和探讨了隧道通风模糊神经控制方法。
3 . by using the vr technology , the system gives a raft vibration - isolating unit assembling process to users for the first time . the simulation system having adaptive ability provides a simulation way , improves traditional design way . besides , all of designing and analyzing processes in this system are lifelike by using vr and 3 - dimensional simulating technology 本仿真系统的研制成功为浮筏隔振装置的方案设计提供一种仿真手段，并具有自适应能力，改善和提高了传统的设计方法，并用虚拟现实技术和三维仿真技术，使所有的设计、分析过程形象逼真、栩栩如生。
The fact that the xerop - hyte grows naturally in desert presents that the sprout of xerophyte has special adaptive ability to endure the first draught season in its life . it is the most essential factor for the sprout of the xerophyte going through the first hot summer to build up the xeromorphic structure and physiological function 在水分条件渐减乃至干旱、炎热的立地条件中，幼苗能否及时适应? ?旱生结构的迅速形成与生理功能的迅速完善，是决定旱生植物能否在荒漠气候条件下继续生长的至关重要的因素。
The system would regulate feed rate instantly to maintain cutting power invariability depend on monitoring the whole machining process at any time . the intelligent control system enhance nc machine adaptive ability and intelligent level . the machining efficiency is improved and the cost of machined workpiece is reduced with the quality guaranteed 该系统对整个加工过程进行实时检测，根据检测到的加工状态实时调整进给速度，维持切削功率约束值不变，以提高数控机床在切削加工过程中的适应能力和智能水平，旨在充分发挥加工中心的加工潜力，在保证加工精度的条件下，提高切削效率，降低工件的制造成本。
Occupational interest and vocational values play an important role in peoples " occupational behaviors . if the work one does fits well to his or her work envionment , one is most likely to exert his or her full skill and bring the explorating and creating desire into play . they can also strenthen the adaptive ability , stability and satisfaction of one ' s career 职业兴趣和职业价值观在人的职业活动中起着重要的作用，个人的职业兴趣和职业价值观与所从事的职业类型和职业环境相匹配，可以促进人能力的发挥，激发人的探索和创造欲望，增强人的职业适应性、稳定性和工作满意度。
The adaptive front - end has the adaptive ability for the magnitude and frequency of input signals . it can prefilter for the input signals , eliminate the useless signals , and improve the dynamic range of receiver system . it can lessen the burden of digital signal processing in the back - end of receiver , and improve the performance of receiver system 自适应接收机前端对输入信号有自适应能力? ?频率自适应和幅度自适应,这样的前端就可将系统的接收中心频率和带宽自适应到输入信号的频率和带宽,其实就是对输入信号进行一次预分选、预滤波,剔除对接收系统毫无作用的信号;同时对大信号自动减小增益,对小信号增加增益,提高系统的动态范围;而且可以对干扰信号进行压制。
It is pointed out that organization structure , organization culture , information technology , enterprise type , technological type and enterprise scale are the main factors that influence organizational learning ; there is a relationship between organization structure and organizational learning , which is interacted by factors like enterprise technology type and information technology ; organizational learning helps enterprise to realize its vision such as improve environment adaptive ability , technical innovative advantage , mean productive efficiency , business administrative capacity and competitive advantage in the industry ; organizational flexibility helps enterprise to realize its organizational learning vision , while formalization , complication and centralization of organization structure have no relationship with organizational learning vision 认为组织结构、企业文化、信息技术、企业性质、技术类型、企业规模是影响组织学习的主要因素；组织学习与组织结构有一定的关系，但两者关系受技术类型和信息技术水平等变量的交互作用影响；组织学习能帮助企业实现提高环境适应能力、技术创新优势、平均生产效率、经营管理水平和行业竞争优势等组织学习愿景；组织结构的灵活性有助于实现组织学习愿景，而组织结构的规范性、复杂性、集权度与实现组织学习愿景没有必然联系。
It includes the adaptive ability , the market holding ability and the profit ability of agricultural products . it also includes the agricultural sustainable development ability , the agricultural development anti - risk ability as well as the market latent competitive ability through industrial structure optimization and production organization innovation 它包括满足市场需要的农业生产适应能力、农产品对市场的占有能力、农业生产的赢利能力、农业可持续发展能力、农业发展的抗风险能力以及通过产业结构优化、生产组织创新等方式所产生的潜在的竞争能力。
