• Every fuzzy variable consists of a series of fuzzy subsets and a fuzzy vector. The fuzzy vector is used to describe these series of fuzzy subset membership function.

    每个模糊变量包括一系列模糊子集和一个模糊向量,这个模糊向量用来描述这一系列模糊子集的隶属函数。

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  • Based on real-time estimation of noise matrix and grey clustering of state variable, filter or gain matrix is modulated so as to get an estimation of the state vector.

    实时估计出系统噪声方差矩阵和量测噪声方差矩阵,对状态变量进行灰色聚类,并对滤波矩阵和增益矩阵进行实时自适应调整,计算出状态向量的递推估计值。

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  • That could be extended to all discrete random variable and vector with the infinited countable distribution series.

    并且将它推广到任意具有可数无限分布列的离散型随机变量和随机向量。

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  • New variable is introduced based on energetic equation, the period of vibration of three wire pendulum is studied using the method of rotating vector.

    由能量方程出发,引入新变量,用旋转矢量法讨论了三线摆大角度摆动时的周期。

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  • Based on vector control theory, a fully digital variable speed system is designed.

    基于矢量控制理论设计了一套全数字变频调速系统。

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  • Then via the analysis of a special state variable weight vector, an essential relation between state variable weight vector and balance function is interpreted further.

    通过分析一类特殊的状态变权向量,进一步揭示了状态变权向量与均衡函数之间的内在联系。

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  • The results show that the interference-free tool path can be generated with polar projection method and the even variable cutter axis vector can be obtained.

    结果表明,极坐标投影法可以得到无干涉的五轴加工刀位数据,并可以获得均匀变化的刀轴矢量。

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  • Based on vector control theory, a full digital variable speed system is designed. The system structure and method for designing the software and hardware are introduced.

    基于矢量控制理论设计了一套全数字变频调速系统,介绍了系统结构及软硬件设计方案。

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  • As far as this method is concerned, each fuzzy variable is projected to the fuzzy weight vector and the result is judged in accordance with the projection coefficient.

    该方法是将每个模糊变量向量投影到模糊权重矢量上,以投影系数来确定结果的优劣。

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  • The vector magnetic potential is regarded as a variable to gain the two-dimension solution of excitation magnetic field and armature response magnetic field.

    并以矢量磁位作为求解变量得到励磁磁场和电枢反应磁场的二维解。

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  • Simulations show that the proposed observer can track rotor flux vector in a large speed range and be robust to the variable rotor time constant.

    仿真结果表明该转子磁链观测器可以在较大速度范围内跟踪转子磁链矢量的变化,同时对变化较大的转子时间常数具有一定的鲁棒性。

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  • Sonic concepts such as grey mapping, white mapping, generalized vector and symbol variable are applied to deal with ths design of crankshaft.

    本文将灰色映射、白色映射、广义矢量、符号变量等概念应用于处理曲轴设计问题;

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  • Variable voltage and variable frequency system based on vector control is applied widely in high speed train.

    基于矢量控制的变压变频调速在高速列车中得到广泛应用。

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  • In this paper, on the basis of structural regression models the estimation of the population-averaged treatment effects is given when the response variable is a multi-dimensional vector.

    在可交换条件下,当响应变量为多维时,利用结构回归模型研究总体平均处理效应的估计。

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  • The technique of induction motor vector control is a way to realize the decoupling control of stator current excitation and torque variable through coordinates transform.

    感应电动机矢量控制技术是通过坐标变换,实现对定子电流的励磁分量与转矩分量的解耦控制。

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  • The standard system matrix vector equations on multi-variable control system are educed.

    导出了多变量控制系统的标准化系统矩阵向量方程。

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  • The technique of induction motor vector control is a way to realize the decoupling control of stator current excitation and torque variable using coordinates transform.

    异步电机矢量控制技术是通过坐标变换,实现对定子电流的励磁分量与转矩分量的解耦控制。

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  • To ensure the system robustness, a multi-variable decoupling controller was designed based on the vector transform model of AC motor.

    为保证闭环控制系统的鲁棒性,设计了基于交流电机的矢量变换模型的多变量解耦控制器。

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  • In this paper, a slip-frequency vector control system using a single-chip micro - computer 8031 of MCS-51 family for variable frequency speed control of induction motor is introduced.

    本文介绍了一种采用MCS—51系列单片机8031对异步机实行滑差频率矢量控制的调速系统。

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  • The variable part of the parameter vector is projected onto the signal subspace to identify intrinsic structural features of the scene and estimate the RCS.

    信号子空间中包含目标边界特征,将参数向量中非直流部分投影到信号子空间,得到场景内目标细节信息,然后据此估计场景各点的雷达反射截面(RCS)。

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  • A strategy of speed control for vector-controlled asynchronous motor drive system using sliding mode variable structure control with an integral action was proposed.

    针对滑模变结构控制的抖振问题,提出一种用于异步电动机矢量控制系统的积分滑模变结构速度控制方法。

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  • Based on the rotor flux vector control as a kind of variable speed system control method, with very good dynamic and static performance, received extensive attention.

    基于转子磁链定向矢量控制作为交流调速系统中的一种的控制方法,以非常优良的动态和静态性能,受到了广泛的关注。

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  • Based on the basic equation of A. C. exciting alternator, the vector chart and power flow chart of the alternator are studied, and a method of variable-speed and constant frequency (VSCF) is proposed.

    从交流励磁发电机的基本方程出发,通过对其矢量图和功率流程的研究,提出了变速恒频的实现方法。

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  • Speed estimator of sensorless vector control system based on variable argument PI adaptive mechanism;

    根据感应电机无速度传感器矢量控制原理,采用遗传算法进行转速辨识。

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  • The special feature of variable rate reaching law is that it is directly proportional to the norm of state vector and can result in a sector-shaped switching region.

    以变速趋近律为到达条件,可产生扇形切换区,并可期待原点的稳定性。

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  • Quantile regression is a basic tool for estimating conditional quantiles of a response variable Y given a vector of regressors X.

    分位数回归是给定 回归变量X,估计响应变量Y条件分位数的一个基本方法。

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  • In this paper, a vector-control system using a 8-bit microcomputer for variable frequency speed-control of induction motor is presented.

    本文介绍了一种用一台八位微机实现的异步机变频调速矢量控制系统。

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  • The optimal support vector machine was proposed in this paper by applying particle swarm optimization searching the complex multi-variable space in SVM model, in order to modeling the better QSAR.

    为了建立HIV 蛋白酶抑制剂Q SAR的优良模型,本文采用粒子群优化法搜索支持向量机的多参数复杂模型空间,以此形成最优支持向量机。

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  • The optimal support vector machine was proposed in this paper by applying particle swarm optimization searching the complex multi-variable space in SVM model, in order to modeling the better QSAR.

    为了建立HIV 蛋白酶抑制剂Q SAR的优良模型,本文采用粒子群优化法搜索支持向量机的多参数复杂模型空间,以此形成最优支持向量机。

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