了解稀土永磁无刷直流电机的工作原理。
永磁无刷直流电机；
永磁无刷直流电机控制系统是多变量和非线性的。
The PM brushless DC motor is a multi-variable and non-linear system.
达松伐尔型永磁无刷直流电机本质上无起动转矩。
No torque is produced essentially at the beginning of starting d'ARSONVAL type permanent magnet brushless DC motor.
在永磁无刷直流电机中，转矩脉动是需要解决的主要问题之一。
To permanent magnetic brushless direct current motors, torque tipple is one of the major problems to be solved.
设计了基于永磁无刷直流电机的飞轮储能单元的能量转换控制系统。
In this paper, an energy converter system for flywheel energy storage system (FESS) using permanent magnet brushless DC motor (BLDCM) is designed.
磁悬浮飞轮用永磁无刷直流电机具有大气隙、小长径比的结构特点。
The brushless direct current motor used in magnetic suspending flywheel features a structure of large air and small ratio of length to diameter.
永磁无刷直流电机位置传感器和转矩波动的存在限制了它的应用范围。
For the being of the torque ripple and the position sensors, the application of brushless DC motors is limited.
介绍了人工心脏轴流式血泵永磁无刷直流电机换相转矩脉动变化过程。
This paper introduces Commutation torque ripple process of the axial blood pump of an artificial heart brushless DC motor.
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.
本文的主要研究目标就是采用新的控制策略来抑制永磁无刷直流电机转矩脉动。
The objective of this dissertation is to minimize the torque ripple of BLDC motor.
论文从研究永磁无刷直流电机的结构出发，详细论述了其工作原理及换相过程。
The paper start from studying Brushless DC motor's structure and then elaborated its principle of work and the phase change process in detail.
绕组电感参数的准确计算对于永磁无刷直流电机的动态性能分析具有重要的意义。
Accurate calculation of winding inductance parameter is important to the dynamic performance analysis of PM (permanent magnet) brushless DC machine.
因为永磁无刷直流电机是一种多变量、非线性的系统，得到准确的数学模型比较困难。
It is difficult to design an accurate model because BLDCM is a nonlinear and multivariable system.
分析了永磁无刷直流电机换相原理，提出了一种换相电流预测控制方法以抑制换相转矩脉动。
A commutation current prediction control scheme was proposed in brushless DC motor (BLDCM) to suppress the commutation torque ripples.
分析了稀土永磁无刷直流电机原理特性，提出了一种通过直接控制绕组换向时间进而控制电机转速的方法。
A strategy controlling winding commutation directly to control motor is proposed with respect to the principle of machine.
文章介绍了该混合动力电动汽车用稀土永磁无刷直流电机的结构特点和设计方法，通过样机试验验证了设计的合理性。
The structure peculiarity and design method of this brushless DC motor for HEV are introduced. It is shown that the design is rational by prototype trial of the brushless DC motor.
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.
比较了永磁无刷直流电机的各种起动方法，分析它们的优缺点，提出了适合光伏水泵系统的自寻最佳切换点的永磁无刷直流电机起动方法；
Different starting methods of permanent magnet brushless DC motor are compared, a starting method of self-search best commutation point of permanent magnet brushless DC motor is put forward.
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.
介绍了一种永磁无刷直流电机控制系统的设计方案，主要涉及速度闭环和功率模块驱动的硬件电路设计；并通过实验证明该设计可直接用于小型无刷直流电机的控制。
This article presents a design of permanent magnetic brushless DC motor control system and mainly involves the hardware circuit design of speed closed loop and power module drive.
永磁无刷直流电机具有结构简单、转矩大等显著优点，然而电机的换相过程会引起转矩波动增大、平均转矩下降等许多问题，随着电机速度的增加，这些问题会变得更为突出。
However some problems such as torque ripple increasing and average torque descending can be caused by phase commutation of the motor and may get even worse with the speed increasing.
本文介绍三绕组无刷永磁直流电机的工作原理，超频使用AT89C2051研制速度控制器，其电原理及软硬件设计、并给予讨论。
This article elaborates on the work principle of the three winding and brushless PMDC, developing speed controller with AT89C2051 at ultrahigh frequency, its electric circuit principles and software…
本文介绍三绕组无刷永磁直流电机的工作原理，超频使用AT89C2051研制速度控制器，其电原理及软硬件设计、并给予讨论。
This article elaborates on the work principle of the three winding and brushless PMDC, developing speed controller with AT89C2051 at ultrahigh frequency, its electric circuit principles and software…
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