A kind of closed loop timing control system based on position-sensorless control for axial blood pump of artificial heart brushless DC motor is introduced in this paper.
介绍一种用于人工心脏轴流式血泵的无位置传感器无刷直流电动机闭环调速控制系统的电路设计。
An idea is developed in the paper that position-sensorless BLDC motor is used as driver of EMA, with the advantages of maintenance and reliability besides small size and light weight.
提出了一种用无位置传感器的无刷直流电动机来作为电作动器的驱动电机的思想。
At startup, there is no back-EMF due to the stationary motor, and the motor position cannot be detected in sensorless mode.
在启动时，没有反电动势，在无传感器模式下电机的位置不能检测到。
Position detection of rotor in hybrid stepping motor servo system can use traditional outside position sensor or sensorless scheme based on theoretical algorism, but there are many problems produced.
混合式步进电动机伺服系统转子的位置检测，可以用传统的外配位置传感器或基于理论算法的无位置传感器方案，但是存在许多问题。
The armature-reaction in a sensorless brushless DC(SLBLDC) motor causes detection error of rotor position and consequently leads to advanced or lagged commutation.
无刷直流电机电枢反应造成反电势法无传感器控制中的转子位置检测误差。
Thus, sensorless control strategy which only according the sampling of the current and voltage to estimate the rotor position and speed by specific methods will be widely applied.
因此，在一些特殊及精度要求不高的场合，由只根据采样电流、电压等易测量，通过特定方法估算转子位置和转速的无位置传感器控制策略将得到广泛应用。
Based on the nonlinear fuzzy model, an improved method of detecting rotor position for sensorless control of SRMs has been developed.
提出了一种基于非线性模糊模型的开关磁阻电机(SRM)转子位置检测的方法。
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。
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。
Detecting back EMF is one of the most important methods for the detection of rotor position in square wave current drive BLDCM sensorless control.
方波电流驱动的BLDC电机无位置传感器控制检测转子位置的最重要方法是反电动势检测法。
In this paper, several typical methods of sensorless position for detecting the rotor position introduced in domestic and foreign documents are analyzed, and the basic principles...
本文分析了目前国内外文献介绍的几种典型的无位置传感器的转子位置检测方法，并对它们的基本原理、实现途径、改进策略、适用场合做了详细的说明。
Based on the nonlinear fuzzy model which will be online modified, an improved method of detecting rotor position for sensorless control of SRMs has been developed.
提出了一种基于非线性模糊模型并经在线调整的开关磁阻电机(SRM)转子位置检测的方法。
The paper introduces the control method of Brushless DC Moter. FeasiBle scheme of position sensorless is discussed. Control strategy of the BLDCM system which is based on DSP controller is introduced.
本文介绍了元刷直流电动机的控制方法，探讨了无位置传感器的可行性方案，介绍了以DSP为控制器的BLDCM系统的控制策略。
Therefore, it has important theoretical and practical value to study position sensorless control methods for BLDCM.
因此，研究无刷直流电机无位置传感器控制技术具有重要理论和实用价值。
Therefore, exploring useful sensorless-position-estimation SRD is an important and significant research work.
因此探索实用的无位置传感器SRD系统具有重要的研究意义。
Therefore, exploring useful sensorless-position-estimation SRD is an important and significant research work.
因此探索实用的无位置传感器SRD系统具有重要的研究意义。
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