在控制器中引入了饱和函数,降低了控制增益的大幅切换,保证了定子电压的稳定性。
Introduces the saturation function into controller, reduces the wide-range switch of control gain, ensures the stability of stator voltage.
同时对变结构控制律中包含的符号函数项,采取了用饱和函数来代替的方法以尽可能地抑制变结构系统所带来的抖振。
The symbolic function in the variable structure control is replaced by the saturation function to reduce the chattering which is brought by the variable structure control system.
在设计控制系统时,滑模控制滑模面通过最小化最优价值函数得到,控制器采用饱和控制器。
In the process of control design, the sliding surface of sliding mode control is determined by minimizing the optimal cost function, and the controller is the saturation controller.
该技术充分利用了PN结反向饱和电流是温度敏感函数的特性,使用简单的电路结构,达到了很好的温度特性和电源抑制性能。
The sensitive temperature characteristics of PN junction inverse saturation current is fully utilized to obtain good temperature coefficient and PSRR with simple circuit structure.
采用饱和型标量函数构成非线性滑模建立直流伺服机器人控制系统的自适应变结构数学模型。
Mathematical model of adaptive variable structure of control system for DC servo robot was established with nonlinear sliding mode formed with saturation type scalar functions.
函数将目标的色调和饱和度分量设置为0。
The VI sets hue and saturation component of the destination to 0.
强激发光产生的饱和激发会改变激光诱导荧光的空间分布函数,从而影响荧光关联谱的测量结果。
Saturated excitation by a strong excitation beam will alter the spatial distribution function of the laser induced fluorescence, therefore affect the results of FCS measurements.
对于等同配位体的相互作用,以纯矩阵代数方法,得到饱和曲线,分子构象-配位体曲线以及某些关连函数等等。
For homotopic interaction, the saturation curve, molecular conformation vs ligand curve and certain correlation functions etc. are obtained by means of pure matrix algebra.
提出了蒸汽相对饱和湿度(过渡函数)的定义并采用了分区计算的方法。
The relative saturation wetness (transition function) is defined and the approach by distinguishing different thermal property zones is developed.
分析了预测函数控制在具有参数饱和限制环节的伺服系统中的实施算法。
The paper analyses the implemented algorithm of the predictive functional control in servo system with tache of restrictive saturated parameters.
通过构筑PM空间密度函数,求出饱和岩石的应力—应变状态方程,并模拟了其轴向应变—径向应变滞后回线。
Through constitution of PM space density function, the stress-strain state equation for saturated rocks has been defined and the hysteresis loops of axial stress-radial stress has been simulated.
相对于修正反正切函数模型,能更为合理地预测铁芯深度饱和后的特性。
Compared with modified arc tangent function model, it is more reasonable for predicting the slope of the characteristic of the core at deep saturation.
详细分析了预测函数控制在具有参数饱和限制环节和滞后的机电伺服系统中的实施算法,分析了系统的闭环性能,并得到了其稳定鲁棒性条件。
The paper analyses the implementary arithmetic in the servo system with saturation and lag segment, and analyses the performance of the close loop to obtain the condition of stability and robustness.
从非饱和土土水特征曲线方程出发,根据渗透函数和土水特征曲线的关系,推导出了非饱和土渗透函数方程。
Based on the equation of soil water feature curve and the relationship between soil water feature curve and permeability function, the permeability function equation of unsaturated soil is derived.
本文首次提出电机饱和磁场的无内节点亚参三角形有限元计算问题,并给出了构造其形状函数的有效方法。
First the paper addresses the problem that subparametric triangular finite elements without inner points are used to calculate the saturated magnetic fields in electric machines.
土壤水分特征函数空间异质性是定量研究土壤非饱和带水分运动以及溶质运移的先决条件。
Spatial variability of soil water retention function is a primary prerequisite for quantitative research on water movement and solution transfer in unsaturated zone.
在宏观尺度上,弹性模量和塑性参数,包括对塑性孔隙塌陷机理和塑性剪切机理,被表达成水饱和度的函数。
On the macroscopic scale, the elastic modulus and the plastic parameters for both pore collapse and plastic shearing processes are expressed as functions of water saturation degree.
通过回归C1~C16 16种饱和烷烃的饱和蒸气压值,提出了低对比温度下PRSV方程的新温度函数关联式。
Through regression of saturated vapor pressure of C1-C16 , a new alpha function for PRSV equation at low relative temperatures was proposed.
将此目标函数应用到血氧饱和度无创测量系统中,提高了系统的信噪比。
This optimization object function was applied to the blood oxygen saturation measurement system and a higher signal-noise ratio was achieved.
运用复变函数法,在Biot波动理论的基础上,对饱和土中的圆形衬砌结构进行分析。
Based on Biot's dynamic theory, the method of complex variable functions is used to solve the problem of scattering of elastic waves by circular cavity with lining in saturated soil.
铵态氮水平运移的浓度受非饱和土壤水扩散率的影响,并随非饱和土壤水扩散率的升高而呈幂函数曲线下降。
The concentration of ammonium nitrogen in horizontal migration decreased with the increase in unsaturated soil water diffusivity in power function.
锥形激光放大器的增益和饱和分别是工作温度和注入电流的函数。
The gain and saturation of tapered laser amplifier are the function of temperature and injection current.
辐射性能参数包括脉冲噪声、记忆效应、扫描相关偏移、一致噪声、随机噪声、丢失行、不可操作探测器、饱和探测器、调制传递函数、系统分辨率。
The parameters contain impulse noise, memory effect, scan correlated shift, coherent noise, random noise, dropped lines, inoperable detectors, saturated detectors, MTF, system resolution.
通过对合成氨变换工段循环热水系统以饱和塔出口半水煤气温度最大为目标函数进行优化计算,证明本文方法是成功的。
The new method has been successfully applied to the optimization of the flowrate of circulating water for the CO shift section in ammonia synthesis.
函数设置目标的亮度分量为源值的模,并且设置色调和饱和度分量为0。
The VI sets the real component of the destination to the source value. The VI sets the imaginary component of the destination to 0.
结果表明:饱和重量含水量随容重的增加而减小,与容重成反比关系,饱和导水率随着容重的增加呈现幂函数形式递减。
Effects of bulk density on the two parameters were analyzed. The results showed that saturated mass water content decreased with the increment of bulk density and was inverse to bulk density.
结果表明,非饱和黄土的水分特征曲线可用幂函数关系描述;吸着水含量与毛细管水含量随基质吸力的增大而减小;基质吸力由吸着力和毛细管力形。
The water content of attraction and capillary decreased with the increase of the matrix suction, which consisted of attraction and capillary powers.
结果表明,非饱和黄土的水分特征曲线可用幂函数关系描述;吸着水含量与毛细管水含量随基质吸力的增大而减小;基质吸力由吸着力和毛细管力形。
The water content of attraction and capillary decreased with the increase of the matrix suction, which consisted of attraction and capillary powers.
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