无刷直流电机的换相和控制都需要准确的转子位置信息，然而安装转子位置传感器有其难以克服的缺点。
The exact rotor position is required while a brushless DC motor (BLDCM) is under commutation and control. Howere, posi2 tion sensors have some fatal defects.
电测系统：主要功能是处理由传感器来的电信号，显示出转子不平衡量所处的位置和大小。
The electric measuring system: the main function is to process electrical signals by the sensor, shows the unbalance of rotor position and size.
文中比较了现有的无位置传感器电机转子位置的估计方法及启动方法，并分析了其优缺点。
This paper compares existing methods of rotor position estimation and stating methods from standstill, and analysis their advantages and disadvantages.
提出了一种利用谐波反电势信号实现电机转子位置检测的新方法，设计了与电机一体化的新型位置传感器。
A novel method that USES the harmonic back EMF signal to extract the rotor position is put forward, and a new position sensor merged into an organic whole with the motor is designed.
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。
The armature-reaction in a sensorless brushless DC(SLBLDC) motor causes detection error of rotor position and consequently leads to advanced or lagged commutation.
本系统的转子位置测量采用了电涡流传感器。
The system of the rotor position using the eddy current measurement sensors.
当前，在大多数调速驱动系统中，最常用的方法是在转子轴上安装位置传感器。
At present, in mostly regulation drive systems, the mostly method is to install a position sensor in the rotor shaft.
主要研究一种无传感器磁轴承转子位置自检测的方法，该方法不需要专用的位移传感器。
A method of automatically detecting rotor position of self-sensing magnetic bearing is studied, in this method, no special displacement sensors are used.
该方法可以实现转子位置的精确估计并具有一定鲁棒性和可靠性，可取代直接的位置传感器。
The proposed algorithm can realize exact estimation of the rotor position with certain robustness and reliability and can directly replace the sensor of 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。
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.
介绍一种无位置、速度传感器的交流伺服系统的设计方法，它采用自适应滑模观测器来估算转子的位置及速度。
This paper introduce a method to design the no-place, velocity sensor ac servo system, use self-adapt slid mode observer to estimate the place and velocity of rotor.
一般来说，在电动机调速控制系统中需要在转子轴上安装机械传感器，测量电动机的速度和位置。
Generally speaking, in the PMSM (Permanent-magnet synchronous motors) control system, mechanical sensor on the rotor shaft is required to detect the position and speed of the rotor.
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。
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.
状态观测器可以利用较低精度的位置传感器来准确观测负载转矩、转子位置和转速。
The state observer observes the precise load torque, rotor position and speed with only a low accuracy position sensor.
永磁无刷伺服电机的换相和控制都需要准确的转子位置信息，然而位置传感器有其难以克服的缺点。
The exact rotor position is required while a permanent magnet brushless servo motor (PMBSM) is under commutation and control. Howere, position sensors have some fatal defects.
位置传感器的跟踪转子与电动机转轴相联结。
本文介绍了一种应用于航空发动机上的转子位置跟踪方法，即采用霍尔传感器完成压气机转子部件的位置跟踪。
A method that is applied to track rotor position in aero - engine by using the hall sensor to achieve the tracking the position for a certain aero -engine compressor rotor parts is introduced.
介绍了无刷直流电机无位置传感器转子位置检测的一种新方法。
Describes a novel method of detecting for rotor flux position of the brushless DC motor (BLDCM).
在永磁无刷直流电机中，霍尔位置传感器经常用来测量电机的转子位置和转速。
In a BLDCM, Hall position sensors (HPS) are usually used to detect the rotor's position and rotary speed.
在传统的电梯曳引系统中，通常采用高精度的位置和速度传感器来检测转子的位置和速度信息，增加了系统的成本，降低了系统的可靠性。
In conventional elevator controls, high accurate sensors of position and speed are used for this purpose. However these additional sensors increase the cost of system and decrease the reliability.
包括带A/D转换器的单片机及取自电动机定子绕组的反电动势的三个转子磁钢位置传感器信号。
The utility model comprises a SCM provided with A/D convertor and 3 rotor magnet steel position sensor signals taken from the counter electromotive force of the motor rotor winding.
介绍了无刷直流电机无位置传感器转子位置检测的一种新方法。
This paper describes a novel method of detecting for rotor flux position of the brushless DC motor (BLDCM).
采用耐高温的锁定型霍尔元件和钐钴永磁转子分别构成位置与速度传感器，并设计相应的速度信号倍频电路与位置信号译码电路。
Fireresistant Hall device and SmCo rotor is used to design position and speed sensor, and the corresponding doubling circuit and decoding circuit is designed.
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。
A novel method of rotor position detect for sensorless brushless DC motor was introduced, that was the method of speed-independent position function.
针对无刷直流电机在静止和低速状态下检测转子位置困难，提出了无刷直流电机采用无位置传感器控制策略时转子位置检测的一种新方法。
A novel method for detecting the rotor position of Senseless Brushless DC Motor was presented in view of the deficiency in rotor position detecting at standstill or low-speed.
给出了应用线性霍尔传感器敏感转子位置和应用线性霍尔传感器代替旋转变压器两种简易正弦驱动方法，并对其原理和性能进行了分析。
Two simplesinedriving methods that the rotor position detected by the linear Hall sensor and that the revolver is replaced by linear Hall sensor are proposed.
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。
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.
然后分析研究无位置传感器无刷直流电机控制系统的几项关键技术：转子位置检测、启动和PWM控制技术等。
And then it studies a number of key technologies around the sensor less brushless DC motor control system: Rotor position detection, motor starting and the PWM control technology.
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。
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。
Detecting back EMF is one of the most important methods for the detection of rotor position in square wave current drive BLDCM sensorless control.
应用推荐