针对典型电机伺服系统的性能要求,提出一种基于复合非线性反馈(CNF)控制和扩展状态观测器(eso)的控制方案。
A new control scheme was proposed, which combines a composite nonlinear feedback (CNF) control technology with an extended state observer (ESO).
该方法先考虑输入具有饱和非线性的线性系统一般形式,再通过构造低增益部分、高增益非线性部分及复合非线性控制律三步完成设计。
The normal form of the linear systems with input saturation was considered; and then the control law was designed by constructing low-gain, high-gain and CNF gradually.
并对装设有svc的两区域四机电力系统进行计算机数字仿真,结果表明基于神经网络逆系统方法设计出的复合非线性控制器可以有效地改善SVC控制性能。
The simulation of the two-area four-machine SVC system verifies that the compound nonlinear controller designed by the proposed method can effectively improve the control ability of SVC system.
缓冲材料的非线性对复合地板的隔声性能也有明显的影响。
The non-linear of buffer material has a distinct effect on the sound insulating property of the composite floor, too.
由于准则方程的高次非线性和复杂性,文中利用复合函数求导法则,直接针对基本随机变量求解。
Because of the complexity and high order nonlinear property of the criterion, a derivative method for compound function is used to get reliability.
本文的目的是叙述构造矢量李亚普诺夫函数的方法和应用于线性与非线性复合系统的稳定性分析。
This article is intended to develop a method for constructing Vector Lyapunov functions and the application to the stability analysis of linear and nonlinear composite systems.
复合材料的桥联模型本构理论考虑了基体材料的非线性特性。
Nonlinear characteristic of matrix material is considered in the bridging model constitutive theory of composite materials.
根据一个有效的非线性粘弹模型,导出复合固体推进剂微分形式本构方程和应变速率关系式。
Based on an effective nonlinear viscoelastic model, the differential constitutive equation and strain-rate equation of solid composite propellants are induced.
分析了非线性变换对图像产生的影响,提出一种复合变换补偿的方法。
This paper analyzed the effect of general nonlinear transformation to images, and proposed a composite transformation method.
针对焦炉温度的大惯性、纯滞后、非线性和时变性等特点,提出了一种新的模糊复合控制方法。
Aiming at the coke oven temperature characteristics of great inertia, pure time-delay, non-linear and time changeable, a fuzzy compound control method is proposed.
本文研究用煤矿钻井法钻凿竖井时钢板-混凝土复合井壁内钢板的非线性失稳问题。
The non-linear stability problem occurred in the interior steel sheet of a steel-concrete composite bored shaft lining in coal mines is discussed.
利用光学吸收谱和Z -扫描技术研究了该复合薄膜的线性和三阶非线性光学性能。
Optical absorption spectroscopy and Z-scan technique were used to measure linear absorption and third-order optical nonlinearity of the films.
从理论上研究了由几个混沌系统复合而构成的新系统的非线性动力学特性和分岔序列。
In this paper, the nonlinear dynamical behaviors and bifurcation series of complex systems are studied.
本文中给了非线性行波和驻波的严格解,并用于包括热声堆和温度梯度的复合管中。
Nonlinear sound wave propagation is solved rigorously for progressive and standing waves and applied to composite tubes including thermoacoustic stacks with temperature gradient.
结论综合利用小波变换不同尺度进行非线性变换所得到的模板可以显著提高QRS复合波的检测率。
Conclusion QRS detection rate can be greatly improved when specific QRS template is obtained from the nonlinear transformation of the different wavelet scales.
利用割线方法还研究了该类复合材料的非线性有效性质。
Nonlinear dielectric property was also examined by means of secant method.
采用电泳沉积工艺,在非线性形状金属表面成功制备出了羟基磷灰石(HA)—生物玻璃(BG)复合涂层。
The technology of preparing Hydroxyapatite (HA) - Bioglass (BG) compound coating on a non-line-sight titanium alloy substrate was realized by electrophoretic deposition (EPD).
采用有限元方法研究复合材料层合板结构在线性温度场作用下非线性热振动特性。
By using the Finite Element Method (FEM), the nonlinear thermal vibration characteristics of composite laminated plates under linear temperature field were investigated.
为了给工程应用提供简便而有效的数值计算方法,提出了橡胶-帘线复合材料的一种非线性数值模型。
In order to provide a simple and effective numerical computation method, a rubber-cord composite model is presented in this article.
对于平纹机织复合材料,剪切变形是最主要的变形形式,其本构关系具有非线性的特征。
The shear deformation, as in a nonlinear constitutive relation, is the most principal deformation mode for plain woven textile composites.
研究了基于新型补偿结构和非线性PID控制器的被动式电液伺服加载复合控制方法。
A hybrid control method for passive electro-hydraulic servo loading system was proposed based on new compensation structure and nonlinear PID controller.
在色散线性方面,光栅光谱仪基本线性,棱镜光谱仪的短波非线性问题可通过复合棱镜进行补偿。
In the dispersion linearity aspect, the spectrometers with grating are linear. The nonlinear problem of shortwave for spectrometers with prisms can be solved through double-prisms.
准静态下纤维增强复合材料在偏轴拉伸和剪切时有明显的非线性。
Nonlinear behaviour occurs when partial tension and shear are exerted on quasi-static fibre reinforced composite.
运用非线性有限元分析技术,对由多层正交各向异性复合材料组成的某型空气弹簧进行了应力和模态分析。
The Nonlinear Finite Element Analysis was applied to study the stress and modal of an air spring, which is composed of composites with multiple orthotropic materials.
约束复合形法是求解约束非线性最优问题的一种重要方法。
The constrained complex method is one of the important ways to resolve the problem of nonlinear optimization.
文中应用简单高阶剪切层合理论和大变形理论对各向异性纤维增强的矩形橡胶复合材料层合板进行了几何非线性分析。
Using the Simple High order Shear Deformation Laminate Theory and large deformation theory, the geometric nonlinear analysis of rubber rectangular composite laminate plate is presented.
然后采用非线性干扰观测器逼近复合干扰。
Then, a nonlinear disturbance observer is used to approximate compound disturbance.
实验数据表明:大编织角复合材料在单向拉伸作用下的破坏形式较为复杂,其应力-应变曲线呈现非线性特性。
The experiment results show that composites with large braiding Angle have complex crack forms under uniaxial tensile loading and the tensile stress-strain curves take on nonlinear characters.
本文采用退化的等参壳元分析了复合材料板、壳结构的几何非线性特性。
Applying degenerate isoparametric element, this paper has studied geometrical nonlinear response of composite plates and shells.
本文采用退化的等参壳元分析了复合材料板、壳结构的几何非线性特性。
Applying degenerate isoparametric element, this paper has studied geometrical nonlinear response of composite plates and shells.
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