Online Identification of Dominant Characteristic Modes of Small Signal Disturbance and Selection of Strong Correlative Units 电力系统在线小干扰主导特征模式识别及强相关机组选择方法
Population dynamics and reproduction characteristic of mid-day gerbil under farmland disturbance in desert region 荒漠区开垦干扰下子午沙鼠种群数量动态与繁殖特征
Characteristic Wave of Meso-β Scale Disturbance in Shear Basic Flow 切变基流中β中尺度扰动的特征波动
Then under the MATLAB environment, author has done system simulation experiments by altering given value, changing controlled object characteristic and adding random disturbance. 在MATLAB环境下分别进行设定值改变、对象特性改变和加随机扰动三个环节的系统仿真实验。
This paper studies out the solving method of characteristic equation of disturbance motion by using the exact solution of quartic equation, and discusses some problems needing attention in computer programming. 用一元四次方程精确解的解析公式,研究飞机扰动运动特征方程的求解方法,并讨论计算机编程中应注意的若干问题。
Stabilized turntable rejection characteristic analysis against its base angular rate disturbance 稳定平台对基座角速率扰动的抑制能力
Characteristic waves of transversal disturbance at baroclinic shear flow ⅱ: spectral function 斜压切变基流中横波型扰动的特征波动Ⅱ:谱函数
The Exact Solution of Characteristic Equation of Flight Disturbance Motion 飞机扰动运动方程特征根的数值求解
The Characteristic and Prevention of Disturbance of High Frequency Sealer to CATV 高频机对有线电视干扰的特性及抑制措施
Compaction characteristic of flyash is studied under artifical disturbance and vibration compression. 研究了粉煤灰在人工扰动加密和平板振动器振密后的压实特性。
The result of static characteristic test and disturbance test on follower system in factory demonstrates that this system has excellent static and dynamic performance. 在实验室进行静特性试验,随动系统扰动试验,证明了其具有较优的控制性能。
When Watt-hour meter data is transmitted through communication channel, data transmission errors are often taken place because of the affection by communication medi-um's inner characteristic and various environment disturbance. 在电能表数据传输过程中,由于受传输信道介质自身特性和外界环境干扰的影响,导致数据传输错误。
According to the characteristic that active disturbance rejection controller ( ADRC) classifies systems by the principle of time scale, a new method is presented for ADRC parameters adjustment and optimization based on time scale model identifying and genetic algorithm ( GA). 根据自抗扰控制器(ADRC)对系统按所谓“时间尺度”来进行分类的特点,提出一种基于“时间尺度”模型识别和遗传算法的ADRC参数自整定及优化的方法。
And object feature was classified by using characteristic of disturbance and vegetation. This technology and method can provide accurate data support for the dynamic monitoring of feature changing in opencast coal mine and the rebuilding and reclamation of land. 该技术与方法为露天矿地物变化动态监测以及土地复垦与生态重建均提供了准确数据支持。
And if the characteristic equations are equal, the disturbance responses of the systems are also identical. But because the control input is limited in practice, the system with disturbance observer is preferable. 如果使二者的特征方程也相等,则这两个等价系统的扰动响应也完全相同,但从实际控制系统考虑,由于控制输入信号受限,用扰动观测器进行扰动补偿的效果更佳。
That the controlled object in HVAC field ( air-conditioning room) has large inertia, pure lag and nonlinear characteristic, and the uncertain disturbance factor is large. 暖通空调领域中的被控对象(空调房间)大多具有大滞后、慢时变、非线性特点,且受各种不确定因素影响,经典控制方法难以实现精确控制。
It was the results that acted as tree biological characteristic, tree adaptive tactics and disturbance factors for broad-leaved Korean pine forest pattern change from clumped distribution pattern to random distribution pattern in its different growth period respectively. 林木由聚集分布趋向随机分布,是阔叶红松林在发育过程中树种生物学特性、树种适应对策和干扰状况共同影响的结果。
APD describes the characteristic of the radio disturbance source more practically and more completely. APD能更真实、更完整地反映无线电骚扰的特性。
The experimental results show that the multiresolution algorithm has the characteristic of high accuracy and high disturbance resistibility. 实验结果说明,多分辨率分析法具有精度高、抗干扰能力强的特点。
It not only possesses the characteristic of the common electro-hydraulic servo system, but also has the characteristic of movement disturbance, so its controller design is more difficult. 它不仅具有一般电液伺服系统的非线性等特性,还具有强运动干扰这一特性,因此其控制器设计难度更大。
With this method the depth variance of plow, the variance of the revs and the torque of engine can be calculated, according to the given characteristic of stochastic disturbance. 这个计算方法,根据给定的系统随机输入的统计特征,可计算各犁铧耕深的方差、发动机转速和扭矩的方差。
Considering resistance characteristic in disturbance, the different frequency method is feasible and practical. 并从抗干扰的角度来考虑,差频法是更切实可行的方法。
This paper makes an analysis of the characteristic of the surge disturbance. 分析了浪涌实验中浪涌骚扰的特性。
Then the simulation model of power unit was constructed by joining the module in library and research on its dynamic characteristic under disturbance of full load. 利用模块库搭建机组仿真模型,研究分析机组模型在满负荷下加入扰动后,各参数的响应。
The probability model of the blade load is studied. In addition, the probability relationship between the fluctuation characteristic of gear stress and the disturbance of wind speed is deduced under the condition of non-constant external load. 从测风数据入手建立叶片受力概率模型,推导非恒定外载荷条件下齿轮应力波动和风速波动之间的概率特性关系。
The electronic components with the characteristic of low temperature drift, disturbance resistance and high precision are used in systerm and these have a rise in accuracy. 系统使用精密的测量元件和高精度、低温漂的电子器件,提高了系统的测量精度。
The major works of this paper are summarized as follows: 1. The status and characteristic of active disturbance control and temperature control have been studied. 2. 论文的主要工作有:1.研究了自抗扰技术和温度控制的现状以及温度控制的特点。
The eddy current sensor with a rectangular excitation coil is designed which can convert eddy current field in the surface of UUT to a uniform field. Defect characteristic can be identified by detecting the disturbance field which arises from defects. 设计矩形激励线圈的涡流传感器,将被检对象表面的涡流场转变为匀强场,通过检测缺陷引起的扰动场,识别缺陷特征参数。
We analyze the sources, properties and characteristic of sudden disturbance based on the classification research. 对突发扰动进行了分类,在此基础上分析了突发扰动的来源、性质和特点。