Next is software design of the system, including overall system flow chart, throttle position detection map and the step motor commutation and the point of sub-flow chart.
系统的设计除了硬件还需要软件来支撑，软件设计包括系统整体流程图、油门位置检测图和步进电机换相及角度细分流程图。
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。
This paper introduces Commutation torque ripple process of the axial blood pump of an artificial heart brushless DC motor.
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。
Serious commutation lag occurs when a Brushless DC Motor (BLDCM) operates at high speeds, and this leads to torque decline with ripple.
高速条件下，无刷直流电动机的电流换向产生严重滞后，导致转矩下降并伴随脉动。
The test results show that commutation performance of the D. C. motor is better.
试验结果表明这种直流电动机的换向性能是较好的。
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。
In allusion to the key problem on the control of BLDCM, the thesis discuss some methods about control of it in aspects of commutation of motor, closed-loop control and the disturbance restraint.
论文针对无刷直流电动机无传感器控制中存在的问题，分别从电机的换相、闭环控制和抗干扰等方面来探讨永磁无刷直流电动机的无传感器控制。
The results of research and manufacture show that if fulfils the specification of aero high voltage REPM DC motor after commutation problem is solved, and it is possible to use traditional structure.
解决了高空换向难题之后电动机能满足航空电机的技术要求，采用传统的有刷结构是完全可行的。
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。
Motor having electronic commutation, especially for driving fluid discharge device, particular in hair-dryer mounted such motor.
带有电子换向的电动马达，特别是用于驱动—排出流体的机器，尤其是装有这样马达的头发干燥器。
The maximun overload capacity of the motor depends essentially on the synchronous reactance along the quadrature axis and on the commutation reactance.
电动机的最大过载倍数主要是和交轴同步电抗和换流电抗有关。
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.
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。
A commutation current prediction control scheme was proposed in brushless DC motor (BLDCM) to suppress the commutation torque ripples.
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。
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.
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；
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 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。
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.
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。
Using the motor control special chip ML4428, the counter electromotive force detection and back-EMF commutation were realized.
所设计的无刷直流电机稳速控制系统用电机控制专用芯片ML4428实现了反电势的检测、换相和功率驱动；
The brushless DC motor has excellent characteristics of good start and timing performance, but it is a nonlinear system owing to commutation process and armature reaction.
虽然无刷直流电机具有良好的启动和调速性能，但是由于换相以及电枢反应等因素，它属于非线性系统。
Direct Torque Control (DTC) has the advantages of less reference frame commutation-computation and less influence by motor parameter variations in AC drives system.
交流调速中直接转矩控制具有坐标变换运算量小和受电机参数变化影响小的特点。
A strategy controlling winding commutation directly to control motor is proposed with respect to the principle of machine.
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。
The torque ripple caused by diode freewheeling of the inactive phase during non-commutation state of PM brushless DC motor(BLDCM)when using the PWM_ON type of pulse width modulation was analyzed.
分析了传统的PWM_ON调制方式对无刷直流电动机在非换相期间由于截止相的反并联二极管续流而导致转矩脉动的原因。
The cause of producing the commutation torque ripple was mainly found by means of analyzing the commutation process of permanent magnet brushless DC motor in theory.
主要对永磁无刷直流电动机换相过程进行理论分析，得到引起换相转矩脉动的原因。
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.
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。
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。
According to torque ripple of brushless DC motor, the different PWM modulation mode and overlapping commutation method are used to minimize torque pulsation when current commutation is considered.
针对无刷直流电动机的转矩脉动，提出采用不同的PWM调制方式以及不同的重叠换相角减小换相电流所引起的转矩脉动。
According to torque ripple of brushless DC motor, the different PWM modulation mode and overlapping commutation method are used to minimize torque pulsation when current commutation is considered.
针对无刷直流电动机的转矩脉动，提出采用不同的PWM调制方式以及不同的重叠换相角减小换相电流所引起的转矩脉动。
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