This paper presents an adaptive sliding-mode observer for speed-sensorless field-oriented control of induction motors.
介绍了用于异步电动机无速度传感器的磁场定向控制的一种自适应滑动模式观测器。
Based on vector control system of Bearingless Permanent Magnet Synchronous Motor (BPMSM), a speed-sensorless control strategy using Extended Kalman Filter (EKF) was presented.
基于无轴承永磁同步电机的矢量控制系统，提出了采用扩展卡尔曼滤波器实现无速度传感器运行的控制策略。
This paper obtains a new speed-sensorless direct torque control scheme for induction motor based on calculating the stator flux vector increment to determine the stator reference voltage.
在直接转矩控制理论基础上，推导出一种基于定子磁链矢量增量来确定定子参考电压矢量的新型无速度传感器直接转矩控制方案。
A mutual model reference adaptive method for the rotor speed and stator resistance identification is proposed in this paper to implement a speed sensorless direct torque control of induction motors.
本文介绍了一种可互换模型参考自适应方法实现对电机转速和定子电阻的辨识，并将其应用于异步机的无速度传感器直接转矩控制中。
The speed estimation is core question of the speed sensorless direct torque control system.
速度辨识是无速度传感器直接转矩控制的核心问题。
The problems concerning speed sensorless control in high-power electric traction drives was studied.
研究了无速度传感器控制技术在大功率电力牵引传动系统中应用问题。
In a speed sensorless vector control system, the precision of speed estimation is relied on the precision of motor parameter.
在无速度传感器矢量控制系统中，转速估算的精度在很大程度上依赖于电机参数。
The new three-phase drive control strategy SITRAC combines dynamic torque control, robustness and optimized modulation withselfadjustment and allows speed sensorless operation.
新的交流传动调节方法SITRAC融合动力学、耐用性和具有自调节的最佳调制为一体，其运行可不用速度传感器。
Sensorless speed observation can increase system redundancy effectively and can reduce the hardware design complexity, which becomes a focus of current research works.
无速度传感器转速观测能有效提高系统的冗余，使系统硬件设计得以简化，是目前电机控制研究热点。
A speed sensorless vector control system of induction motor with estimated rotor speed and rotor flux using a new reduced order extended Kalman filter is proposed.
提出一种估计异步电机转子速度和转子磁链的新型降阶推广卡尔曼滤波器算法，建立了基于此算法的异步电机无速度传感器矢量控制系统。
A sensorless vector control method for permanent magnet synchronous motor (PMSM) drive at very low speed was presented.
介绍了一种极低速段永磁同步电机无速度传感器矢量控制方法。
The speed sensorless vector control of induction motor technology enhances the reliability of AC driving system, and reduces the realization cost.
异步电机无速度传感器矢量控制技术提高了交流传动系统的可靠性，降低了系统的实现成本。
The experiment method on sensorless speed estimation in DC motor and three special cases of DC motor with different number of poles and different number of commutator bars were presented.
介绍了直流电动机无传感器测速的实验方法，并选取了三台不同结构的直流电动机进行实验。
The speed sensorless technique which can simply the hardware structure of the variable speed system and reduce the system cost is a very hotspot of current research works.
无速度传感器技术能够简化调速系统的硬件结构，降低系统的成本，是近年来交流调速领域的研究热点。
The accuracy of the rotor speed estimation in speed sensorless vector control system of induction motor under load is sensitive to parameter errors of the internal machine model.
在感应电动机无速传感器矢量控制系统中，在负载条件下转子速度估计的精确度对电机内部模型参数误差非常敏感。
The study on speed sensorless is an important research field.
无速度传感器技术的研究是一个很重要的方向。
In the sensorless control system, a specified high frequency signal is injected in to trace the magnetic anisotropy of the motor, by which we can get the value of rotor speed and position.
研究采用高频注入法的无传感器直接转矩控制系统，通过注入特定的高频信号来追踪电机转子的空间凸极效应，以此得到转子位置和速度值。
The speed sensorless vector control system was established based on the fundamental equations of induction motor for vector control.
以异步电机矢量控制的基本方程序为基础，构建了一个无速度传感器矢量控制系统。
In this thesis, a slid frequency vector control system and a speed sensorless vector control system based on reactive power are investigated and analyzed.
本文研究分析了转差频率型矢量控制和基于无功功率的无速度传感器矢量控制。
Because of requiring no speed detecting devices, this method is effective, simple and practical conception for the electrical parameter measurement of sensorless vector control system.
该方法不需要速度检测元件，从而为无速度传感器矢量控制系统的电气参数测试提供了一种有效、可行的方案。
A speed sensorless direct torque control (DTC) system that USES TMS320LF2407A DSP as its core is designed in this paper.
本文实现了以TMS320 LF 2407ADSP为控制核心的无速度传感器直接转矩控制系统。
An improved rotor flux estimator based on voltage model was proposed for speed sensorless field-oriented vector controlled induction motor drives.
针对感应电机无速度传感器磁场定向控制系统，提出一种基于电压模型的改进转子磁链观测方法。
The sensorless of induction motor field-oriented control employing stator voltages and currents has difficulty in estimating rotor flux in the low-speed range.
在低速范围内，对无传感器感应电动机进行矢量控制时用定子电压和电流推算转子磁通是比较困难的。
A novel method of rotor position detect for sensorless brushless DC motor was introduced, that was the method of speed-independent position function.
介绍了一种新的无位置传感器无刷直流电动机的转子位置检测方法-速度无关位置函数法。
Two problems must be solved in the speed sensorless Field Oriented Control of induction motor drive: the speed estimation and rotor flux observation.
异步电机无速度传感器矢量控制系统需解决两个问题：转速的估计和转子磁链的观测。
Motor speed was estimated on line base on Lyapunov's stability theory, and in this the speed sensorless direct torque control emulation system was designed.
基于全阶观测器，采用李亚普诺夫稳定性理论对电机转速进行在线辨识，实现了异步电机无速度传感器直接转矩控制系统。
Motor speed was estimated on line base on Lyapunov's stability theory, and in this the speed sensorless direct torque control emulation system was designed.
基于全阶观测器，采用李亚普诺夫稳定性理论对电机转速进行在线辨识，实现了异步电机无速度传感器直接转矩控制系统。
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