Compared with other motors, Permanent Magnet Synchronous motor (PMSM) has the advantages of low inertia, high torque-current ratio, low noise, no excitation loss.
永磁同步电机与其它电机相比具有低转动惯量、高转矩电流比、低噪声、无励磁损耗等一系列的优点。
The Paice patent covers a way to supply torque to a car’s wheels from both an electric motor and internal combustion engine using a combination of high voltage and low current.
帕斯专利包括通过高电压和低电流从电动马达和内燃引擎向汽车车轮提供力转矩的方法。
A pulsating torque component can be compensated by inject a selected harmonic component to the phase current.
消除转矩脉动可以通过对定子电流加入谐波的方式完成。
Later, the control strategy and the software have been designed, the primary target is to get the assisting table, assisting torque of the motor and PID control of the current.
随后进行了控制策略和控制软件的设计，完成了助力表、电机目标转矩和电机电流的PID控制。
This thesis uses the linearity relation of output torque and excitation current to control the tension.
本文利用磁粉制动器输出转矩与激磁电流成线性这一特性来实现对张力的恒值控制。
The relationship between detection current and electromagnetic torque was analyzed in each state and it's testified by experiment.
分析了电机绕组在各种状态下检测电流与电机电磁转矩的关系，并进行了实验验证。
It has many advantages such as small starting current, heavy starting torque, stable starting running and good control effect.
该方法具有启动电流小、启动转矩大、启动平滑、运行稳定、控制效果好的特点。
The technique of induction motor vector control is a way to realize the decoupling control of stator current excitation and torque variable through coordinates transform.
感应电动机矢量控制技术是通过坐标变换，实现对定子电流的励磁分量与转矩分量的解耦控制。
Firstly, discussion focuses on configuration of BLDCM, and its running principles as well as necessary existence of torque ripple when current commutes.
本文首先从BLDCM的结构出发，介绍了其工作原理，并从理论上给出了BLDCM在电流换相过程中转矩脉动存在的必然性。
The technique of induction motor vector control is a way to realize the decoupling control of stator current excitation and torque variable using coordinates transform.
异步电机矢量控制技术是通过坐标变换，实现对定子电流的励磁分量与转矩分量的解耦控制。
Finally, a solution to restraining the harmonic current and ripple torque is suggested, ie a larger modulation frequency ratio of 3k is to be adopted, as it is used in SPWM.
文中还提出了抑制谐波电流和脉动转矩的方法，如在SPWM生成中，采用较大的3的整数倍调制比。
In this paper, a current control algorithm using Fourier series coefficients is proposed. This algorithm can minimize torque ripple obviously.
文中提出应用傅立叶级数系数的电流控制算法，能明显减少转矩波动。
Frequency of this pulsating torque is six times as high as that of the fundamental current.
这种脉动转矩的频率为基波电流频率的六倍。
The rotation speed is filtered by a frequency which is defined based on a combustion frequency of the engine (10) to obtain a value corresponding to a current torque.
借助根据发动机(10)的燃烧频率所限定出的频率来过滤旋转速度，以得到与目前转矩相对应的值。
Analysis and experiment show that the topology can detect motor's torque current simply and effectively and has magnificent significance to reduce torque ripple of motor.
分析和实验证明，该拓扑能够简单、有效的检测出电机的力矩电流，对抑制电机转矩脉动具有重要意义。
The driving circuits adopt constant current chopping for the purpose of improving rotating torque and increasing working efficiency of the stepper motor.
驱动电路采用恒流斩波方式，提高了步进电机的运转扭矩和工作效率。
In view of the current technical status of automotive driving motor in China, the effect of motor output torque error on straight line driving stability is discussed in detail in the article.
针对目前国内车用驱动电机性能的现状，分析了电机输出转矩误差对车辆直线行驶稳定性的影响。
Aiming to minimize the torque ripple in condition of non-perfect BEMF waveform, the dissertation present a optimum current tracking control technique.
针对这种反电动势波形偏离理想波形的情况，本文提出了一种最优电流跟踪法来抑制转矩脉动。
When motor running in blocked torque , the armature current is called peak torque current.
与峰值堵转转矩相应的电枢电流称为峰值堵转电流。
A new equipment for simulated the performance of propeller load is introduced in this paper, it's an all digital DC torque servo system using torque closed loop and current closed loop control.
介绍一种新型的螺旋桨特性负载模拟装置，它是全数字控制的直流转矩伺服系统，采用转矩电流双闭环控制方式。
The breakdown of transmission shaft in the main drive system is due to too high roll torque. Overpower protection mode of motor current does not reflect the true dynamic character of roll torque.
轧制力矩过大是轧机主传动系统传动轴断裂的主要原因，传统的电机电流过载保护方式不能真实反映轧机主传动系统扭矩的动力学特性。
Then the components between torque and magnetic field of stator winding current are decoupled which uses the rotor-field-oriented technology.
利用转子磁场定向的矢量控制技术，实现了异步电机定子电流的转矩分量和励磁分量的解耦。
The continuous rotating magnet field is transformed into discrete step field in the torque vector control and the electromagnet torque is controlled by means of regulating the stator current.
在矩角控制过程中将连续的旋转磁场离散为步进磁场，通过控制电机定子电流实现对电磁转矩的控制。
The torque controller system feeds back an assumed motor torque calculated by using the secondary magnetic flux and the torque current detected from current sensors of the primary currents.
该控制器通过检测定子电流，由转矩磁通和转矩电流动态推算电动机转矩，并以此作为反馈量。
Current fluctuation is analyzed during coil commutation time and electromagnetic torque is computed and method is given to restrain ripple of electromagnetic torque.
对绕组换相时电流波动进行了分析，并计算了电机电磁转矩，给出了抑制电磁转矩脉动的方法。
The relations between load torque and overload current, load torque and staring time, load torque and current of phase failure are given.
得出了负载转矩与电流过载倍数、负载转矩与启动时间、负载转矩与断相电流的关系曲线。
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。
The current estimated normalized magnetic field direction, corrected for the fields generated by the torque coils.
目前经由修正转矩线圈产生的磁场而估计到的正规化磁场方向。
The current estimated normalized magnetic field direction, corrected for the fields generated by the torque coils.
目前经由修正转矩线圈产生的磁场而估计到的正规化磁场方向。
应用推荐