On this base, the closed - loop control method of hybrid step motor using the harmonic back EMF is investigated, and the microcomputer control system of step motor is designed.
在此基础上研究了利用谐波反电势信号实现混合式步进电动机闭环控制的方法,设计了步进电动机的微机控制系统。
In this paper, the closed-loop control method of hybrid step motor using the harmonic back EMF is investigated.
研究了利用谐波反电势信号实现混合式步进电动机闭环控制的方法。
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.
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。
The magnetic network model of hybrid step motor is established according to the air gap late permeance method, and the expression of the harmonic back EMF is deduced.
利用气隙比磁导法建立了混合式步进电动机的磁网络模型,推导出谐波反电势的表达式。
Aiming at the steering gear machinery in some missiles, adopting the combined configuration of small rare earth torque motor and harmonic drive reducer, a combined control strategy is designed.
针对某型号弹上舵机采用的小型稀土力矩电机与谐波减速器的组合方案,本文设计了一种组合式分段控制算法。
The new thought of comprehensive reactive, harmonic compensation via synchronous motor was proposed.
提出了一种用同步电机进行无功、谐波综合补偿的新思路。
Motor Drive ICs, to be one of the important branches of the applications of SPIC, have symbolized the harmonic combination of the Controlled IC and Power IC within a single chip.
光碟机马达驱动芯片作为功率集成电路的一个重要分支,充分体现了控制集成电路与功率器件在单一芯片上的有机结合。
The formula of harmonic torque of this motor is obtained and the characteristics of every order harmonics are discussed by adopting the principle of magnet coenergy.
采用能量法的观点,从宏观、总体的角度分析得出了电机的谐波转矩公式,研究了各次谐波的特性。
The operating status of three-phase three-wire HAPF(Hybrid Active Power Filter) in harmonic suppression and reactive power compensation for variable-frequency motor are introduced.
介绍了三相三线制混合型有源电力滤波器在变频调速电动机谐波治理和无功补偿方面的运行情况。
Firstly, a whole design project, that a direct current motor and a harmonic drive reducer are used to drive the actuator is determined.
本文首先提出了直流电机驱动、锥齿轮换向及谐波传动减速的系统整体设计方案。
Finally the harmonic leakage of FTPMM is analyzed quantitatively, which provides a foundation for subsequent motor control and heat calculation.
最后,对永磁容错电机内谐波漏感进行了量化分析,为后续的电机控制及其热分析打下基础。
This paper introduced the theory of harmonic gear and one reducing transmission from the middle of motor and reducer , which has the same shaft for output and input and a simple structure .
介绍了谐波齿轮传动的工作原理,输入与输出同轴、结构简单、且输出在电机与减速器中间的减速传动。
PWM inverter AC motor bring the harmonic current, It pollute electric power systems.
PWM逆变器驱动电机时,对电源端产生谐波电流,给电力电网造成污染。
In the design of voltage PWM inverter, the existence of dead-time will arouse the in-crease of output harmonic, the pulsation of the motor torque, and even the oscillation of the motor.
设计电压型PW M变频器时死区时间的设定会造成输出谐波增加、负载电动机转矩脉动,严重时甚至引起电动机震荡。
Faraday rings are incorporated into the ultra-low distortion motor, further reducing? Harmonic distortion by as much as 20db.
超低失真马达采用法拉第振铃,进一步降低谐波失真达20分贝之多。
In this paper, firstly the mathematic model for variable frequency motor is developed, and harmonic wave is analyzed when variable frequency motor is fed by inversion.
本文首先建立变频电动机的数学模型,对逆变器供电时的谐波进行了分析。
AC servo motor with harmonic drive is used to drive the robot manipulators and the synchro-belt drive is used to drive the wrist after the present robot is analyzed.
通过分析现有机器人的结构,机械臂驱动采用交流伺服电机驱动谐波齿轮传动方式实现,腕部结构则采用同步带传动结构方式。
The constitute of harmonic back EMF is analysed, the position detection circuit and the microcomputer control system of step motor is designed.
分析了谐波反电势信号的构成,设计了相应的位置信号检测电路及步进电动机的微机控制系统。
In the mechanical structure on the turbine worm reducer me, screw, the stepper motor, rail, harmonic gear, and other parts of the selection.
在机械结构上论述了蜗轮蜗杆减速箱、丝杠、步进电机、导轨、谐波齿轮等零件的选型。
It is an effective solution to overcome the deficiency mentioned above that introducing the harmonic drive technology into conventional motor driven by giant magnetostrictive material.
将谐波传动技术应用于超磁致伸缩电动机中,研制新型超磁致伸缩谐波电动机将可以有效克服这些缺陷。
According to the problems of harmonic disturbance caused by the inverter in the motor speed adjustment system, the article made some analysis combined with the reality.
本文针对变频器在电机调速系统中的谐波干扰问题,结合实际进行了一些分析。
In this paper, the magnetic network model of hybrid step motor is established according to the air gap rate permeance method, and the expression of the harmonic back EMF is deduced.
利用气隙比磁导法建立了混合式步进电动机的磁网络模型,推导出谐波反电动势的表达式。
Then the harmonic torque and performance of concentrated winding single-phase induction motor is calculated. The modal is applied to a single-phase induction motor.
分析了转子斜槽对谐波参数的影响,最终计算出集中绕组单相电机的谐波转矩和电机性能。
The simulation results show that the speed ratio of the motor mostly affects the total harmonic distortion of the current and the displacement power factor.
仿真结果表明,电机转速比是影响交交变频轧机系统网侧基波功率因数与电流总畸变率的关键原因。
On the basis of analysis of operation performance of AC motor, the harm of harmonic wave of electric net work to electric motor is summarized in the paper.
在分析交流电机工作特性的基础上,阐述了电网谐波对电机的危害。
Further along, the influence of harmonic wave of magnetic conductivity of air gap and saturation of motor on wave pattern of wind electric current of micro-step driving was analyzed.
进而分析了气隙磁导谐波及电机饱和对微步驱动电流波形的影响。
This paper analyzes the harmonic torque of the 2-phase hybrid stepping motor and puts forword a method of using current feedforword control to reduce the harmonic torque.
分析了二相混合式步进电动机的谐波转矩,提出了一种采用电流前馈控制来减小谐波转矩的方法,并建立二相混合式步进电动机的模型,进行了仿真。
Test results proved that the motor had lower current harmonic, more efficient use of DC supply voltage than SPWM, less switch loss of power switch.
实验结果证明,系统电动机电流的谐波失真较小,直流母线电压利用率比常规的正弦波脉宽调制(SPWM)有了较大的提高,功率器件的开关损耗较小。
Test results proved that the motor had lower current harmonic, more efficient use of DC supply voltage than SPWM, less switch loss of power switch.
实验结果证明,系统电动机电流的谐波失真较小,直流母线电压利用率比常规的正弦波脉宽调制(SPWM)有了较大的提高,功率器件的开关损耗较小。
应用推荐