本发明涉及一种对无刷直流电机的霍耳元件等结构的改良。
The present invention relates to the improvement of brushless DC motor with Hall element.
采用数值计算方法对无刷直流电机的电枢反应作了分析，指出了电枢反应对力矩波动的影响。
This paper analyzes the armature reaction of the brushless DC servo motor by means of finite element method (FEM), and points out that the armature reaction has great influence on torque ripple.
采用数值计算方法对无刷直流电机的电枢反应作了分析，指出了电枢反应对力矩波动的影响。
Verifying the effect of the friction between teeth on the output torque fluctuation of a spur gearing through the use of experimental method;
通过对无刷直流电机转子位置检测研究，提出了以TMS320F 2407芯片为内核的综合转子位置检测方法。
Based on the study of rotor position detecting of brushless DC motor, an integrated rotor position detecting method based on the TMS320F2407 DSP chip was proposed in this paper.
本文的研究内容，对无刷直流电机的具体分析工具、方法作了进一步的探索，对设计、生产实践具有一定的现实意义。
The research achievement bring out a accurate efficient way to analyzeand design the brushless DC motor. It give much convenience to the motor designers.
介绍了无刷直流电机控制系统中的四种PWM调制方式，详细分析了四种不同的调制方式对无刷直流电机换相转矩脉动的影响。
Four PWM modes used in the brushless DC motor control system are introduced and their different influences on the commutation torque ripple of BLDC motors are analyzed in detail.
对无传感器无刷直流电机的驱动系统进行了研究，详细论述了开关电容低通滤波器的设计方法。
In this paper a driving system with sensorless and brushless DC motor is studied, the lowpass design method for switching capacitor is discussed in detail.
通过对ML4428的介绍，分析了反电势感应技术在无刷直流电机中的应用，并给出了其中一些重要参数的计算方法。
The application of the technology of back EMF induction in BLDC are analyzed by introducing the IC ML4428. The calculation formulas of some important parameters are shown behind.
控制器对无刷直流电动机的转速控制至关重要，因此研究无刷直流电机的控制策略十分重要。
A good controller is crucial to speed control of brushless DC motor, so it is important for brushless DC motor to find out a good control method.
在此基础上，分析不同参数对轴向磁场无刷直流电机磁场的影响，对电机样机进行了优化和样机试制。
Further, the effect on the magnetic of axial magnetic BLDC is analyzed when the various parameters are changed, and prototype is optimized and trial-manufactured.
分析集中式绕组的无刷直流电机各结构设计参数对磁场的影响，尝试求取、分析空载漏磁系数，讨论如何削弱定位转矩。
The influence of a centralization winding brushless DC motor structural design parameter and magnetic field were analyzed, and a way to achieve the fix position angular force was brought out.
将稀土永磁无刷直流电机应用于试验车并进行了近千公里的道路试验，结果良好。对一种液体循环式锌-空气电池做了实验室与道路试验并进行了性能分析和评价。
A rare earth permanent magnetism brushless direct current motor is set in the test-EV and runs in order during a course of the test on roads near one thousand kilometers.
对永磁无刷直流电机的转矩脉动的产生机理进行了分析，并根据缝纫机控制器的特点，研究了缝纫机停机过程的换相转矩脉动情况。
The reasons of the torque ripple of BLDCM are presented. A BLDCM drive system used in industrial sewing machine is studied and stop precision of the system is analyzed in detail.
对永磁无刷直流电机的转矩脉动的产生机理进行了分析，并根据缝纫机控制器的特点，研究了缝纫机停机过程的换相转矩脉动情况。
The reasons of the torque ripple of BLDCM are presented. A BLDCM drive system used in industrial sewing machine is studied and stop precision of the system is analyzed in detail.
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