自适应理论 meaning in Chinese
adaptation theory
Examples
- The thesis , applies the auto - adaptive theory to the arithmetic for mese ( maximum entropy spectral estimation ) , and presents new lsll arithmetic for mese , which is based on method of the recursive least square with forgetting factor
将自适应理论引入最大熵谱估计的算法研究中,提出带遗忘因子的基于最小平方准则的最大熵谱估计lsll格梯型算法。最大熵谱估计算法的定阶准则研究。 - This paper has built more precision mathematical model for the valve controlled asymmetrical cylinder system based on the simulink simulation flat , then according to actual need and combining self - adaptive control theory , we choose a mathematic model which has good performance to be the reference model of our adaptive control and adopt velocity system of asymmetric cylinder controlled by symmetric valve as controlled device to design the adaptive controller
本文建立了基于simulink仿真平台上的阀控非对称缸系统较精确的非线性模型,然后根据对系统提出的性能指标要求,结合自适应理论选取性能良好的数学模型作为自适应控制的参考模型。以阀控非对称缸速度系统作为被控对象,设计自适应控制系统。 - The dissertation refers to comparatively full literatures in the field of vsc , and the development history and characteristics of vsc are summarized , and the elementary concepts , elementary definitions , elementary properties , elementary principles and design methods are particularly introduced , and the causes of the chattering phenomenon are systematically analysed , and the study status of the chattering phenomenon and the main methods to eliminate the chattering are elaborated . for the deficiencies of traditionary methods , three improved methods are developed , which are improved exponent reaching law solution , variable boundary layer solution and the solution by adding an auxiliary continuous control term . for uncertain linear systems , an adaptive fuzzy integral variable structure control stategy ( afivsc ) is put forward to eliminate the chattering around the sliding plane , which introduces fuzzy logic to soften the non - linear discontinuous sig nal in the control variable and utilizes adaptive theory to adjust output membership function according to how much the uncertainty of the system is
比较全面地查阅了关于变结构控制理论的文献,总结了滑模变结构控制的发展历史和特点,详细介绍了变结构控制的基本概念、基本定义、基本性质、基本原理以及设计方法;系统分析了变结构控制系统抖振产生的机理,并阐述了国内外目前对抖振问题的研究现状以及消除抖振的主要方法;针对传统抑制和消除抖振方法的不足,改进了传统方法,得到了三种新的消除抖振的方法? ?即改进的指数趋近律法、可变边界层法和附加连续项法;针对不确定性线性系统,在变结构控制策略中引入模糊逻辑和自适应理论来消除滑动平面上的抖振,提出了一种自适应模糊积分变结构控制方案( afivsc ) ,利用模糊逻辑来柔化控制量中非线性不连续部分,采用自适应理论,根据系统不确定性大小在线调整模糊输出量的隶属函数,另外,鉴于模糊控制本质上是有静差的,所以本文选择了带积分项的切换函数,由于积分项的存在使系统较正为无静差系统。 - This paper considers the ilc from an adaptive control viewpoint . two kinds of new algorithm are proposed for ilc of essential nonlinear systems , which avoid some drawbacks and restricted assumptions of traditional ilc , based on lyapunov stability theory and backstepping technique of nonlinear system
本文利用自适应理论设计迭代学习控制,基于lyapunov稳定性理论,结合本质非线性系统的backstepping设计方法,提出了两类本质非线性系统的迭代学习控制新算法,这些算法克服了传统迭代学习控制的许多缺陷,放松了传统算法的一些限制性假设。 - Later on the base of development of electronics and its application , pid steer appeared which integrated control technology and electronic parts . in the late 1960 ' s , adaptive theory and computer technology developed speedily , then adaptive steer came forth by using adaptive theory in shipping maneuvering . neither pid steer nor adaptive steer shares the character flaws , which results in unassuring effects
后来随着电子学和伺服机构理论的发展和应用,集控制技术和电子器件的发展成果于一体,出现了pid操舵仪; 20世纪60年代末,由于自适应理论和计算机技术得到了发展,将自适应理论引入船舶操纵成为可能,于是形成了自适应自动舵。