The objective of this dissertation is to minimize the torque ripple of BLDC motor.
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 control system use BLDC motor as servo device, take microcomputer as the processor.
该控制系统以无刷直流电动机为伺服驱动装置，以微型计算机为处理器。
The paper places emphasis on the closed-loop system of pressure based on BLDC motor and the correlative software.
文章重点阐述利用无刷直流电动机构建的井下压力闭环实验装置和以无刷直流电动机为控制核心的软件平台。
The emphasis of this paper is the commutation control of sensorless BLDC motor, which is used to drive Photovoltaic Pumps.
本文所研究的重点是无位置传感器直流无刷电机的换向控制，电机驱动的对象为光伏水泵系统。
Based on an in-depth study of specific chips BLDC motor controller, development the numeric intelligent controller based on DSP.
在研究了基于电机专用控制芯片的无刷直流电机模拟控制器的基础上，开发了基于DSP的全数字智能控制器。
The housing rotates to allow further adjustment of the index or fine alignment of the commutation channels to the BLDC motor windings.
旋转的房屋，使该指数或减刑渠道罚款的路线BLDC电机绕组的进一步调整。
The housing may be rotated to allow further adjustment of the index, or fine alignment of the commutation channels to the BLDC motor windings.
住房，可旋转，使该指数，或减刑渠道罚款的路线BLDC电机绕组的进一步调整。
As the driver of the micro multi-rotor craft, the micro BLDC motor was of simple structure, easy fabrication, non commutation spark and so on.
作为多旋翼微直升机的驱动器，微型无刷直流电动机具有结构简单、制造方便、无换向火花等特点。
The servo system for full-digital BLDC motor consists of DSP, memory subsystem based on TMS320F240 and the module for feedback signal acquisition.
基于DSP的全数字化无刷直流电机伺服系统，由包括DSP和片外存储器的以TMS320F240组成的小系统，及反馈信号采集模块2部分组成。
The technique of back EMF induction in BLDC motor is analyzed, the "virtual neutral point" method and the technique of "3-step" start are introduced.
主要分析了反电动势感应方法，并阐述了虚拟中点法和三段式起动技术。
The power produced by BLDC motor and pump is kind used by rotary steering drilling instrument, which has the characteristic of stabilization and easy controling.
前言：电机泵动力作为旋转导向钻井工具导向力的一种，有着动力稳定、 可控性好等优点。
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.
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。
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。
The SPWM algorithm using symmetrical sample in this controller, can alter its frequency and amplitude. The good performance of the BLDC Motor controller using DSP is verified by the experiment.
本文在分析了几种SPWM调制方法的基础上，将基于对称采样法的SPWM调制算法应用于本设计中，产生了可调频调幅的正弦波脉宽调制信号。
Followed, it analyses the course of changing phase and distributing of PWM signal. Based on these facts, we present the sensor solution for BLDC motor, design the hardware system and software system.
接着对直流无刷电机的基本组成环节、基本工作原理、运行特性和传递函数作了详细的介绍，分析了直流无刷电机的换相过程和PWM信号的分配情况。
The effect on the control system caused by the parameters of the BLDC torque motor is discussed.
讨论了无刷直流力矩电动机系统参数对整个控制系统的影响。
A simple modeling method with feasible parameter identification is proposed to meet characteristics of single-phase BLDC fan motor. The nonlinear rotor flux distribution is modeled by a look-up table.
本文提出简单的模型方法并配合适当的參數鉴别，建立符合单相无刷直流风扇马达特性的數学模型，其非线性的转子磁通量分布特色是利用建表的方式來代表。
A new four-switch brushless DC (BLDC) motor drive system with a low cost was proposed.
提出了一种新的低成本四开关无刷直流电动机驱动系统。
This paper presents a TMS320LF2407A DSP-based digital speed-control scheme of brushless direct current (BLDC) motor used in flywheel.
研究了基于TMS320 LF 2407a的飞轮用无刷直流电动机的数字化速度控制方案。
Permanent magnet brushless DC motor (BLDC) has been popularly used in drive area.
永磁无刷直流电动机在驱动领域得到了越来越广泛的应用。
Brushless DC motor (BLDC) with permanent magnet excitation, in which electrical commutation is used instead of mechanical, has the same good characteristics of speed control as traditional DC motor.
无刷直流电动机利用电子换相代替机械换相，不但具有直流电动机的调速性能，而且体积小效率高，在许多领域已得到了广泛应用。
Brushless DC motor (BLDC) with permanent magnet excitation, in which electrical commutation is used instead of mechanical, has the same good characteristics of speed control as traditional DC motor.
无刷直流电动机利用电子换相代替机械换相，不但具有直流电动机的调速性能，而且体积小效率高，在许多领域已得到了广泛应用。
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