A cogging torque measurement system was proposed, which was composed of stepping motor, torque sensor, etc.
提出了一种由步进电机、转矩传感器等元件组成的齿槽转矩测试系统。
The calculation formula of the cogging torque are derived by the Fourier decomposition and the virtual displacement method.
利用傅里叶分解及能量虚位移法，推导了磁阻转矩的计算公式。
The accurate calculation of cogging torque assists in optimizing the design of claw pole permanent magnet synchronous motors.
脉动转矩的准确计算是爪极永磁同步电动机优化设计的基本前提之一。
Two methods of reducing cogging torque, namely, the stator tooth notching and the two rotor pole stacks shifting are presented.
介绍了定子齿面加辅助凹槽和转子磁极分段移位两种抑制磁阻转矩的方法。
Factors influencing noise of the motor systems such as cogging torque, HALL signal errors and armature magnetic field are analyzed.
本文分析了影响永磁同步电机噪声的因素，如定位力矩，霍尔信号的误差以及电枢反应磁场等。
Accordingly, a cogging torque and noise are reduced without reducing a back-electromotive force, thereby obtaining a high efficiency.
因此，在不减小反电动势的情况下减小了顿转扭矩和噪音，由此获得高效率。
It is found that if the slot number per pole is not an integer, new lower harmonics of cogging torque may be introduced when PM shifting is adopt.
因此要通过磁极偏移减小齿槽转矩，除了减小永磁体对称时存在的齿槽转矩谐波外，还要减小新引入的低次谐波。
The FEM results show that the magnitude of cogging torque in both motors is less than 0.1% that of the rated torque after optimization with proposed method.
有限元计算结果显示，优化设计后，齿槽转矩的幅值不足额定转矩的0.1%。
Because of the differences on structure and operational principle, the ways of reducing cogging torque in DSPM is different from other permanent magnet motor.
与其他永磁电机相比，由于结构和运行原理的不同，双凸极永磁电机齿槽转矩的削弱方法也有所不同。
The effects of different combinations of slot number and pole number on cogging torque are also investigated. The study shows that the cogging torque could be gr…
研究表明，采用偏心磁极结构可有效地削弱齿槽转矩，而对每极磁通影响较小，本文提出的方法是有效的。
Based on three dimensional finite element analyses of magnetic fields, the cogging torque of a prototype motor is calculated using the virtual work and Maxwell stress tensor methods.
在电机内磁场三维有限元数值分析的基础上，采用虚位移和麦克斯韦张量两种不同的方法计算了电机的脉动转矩。
Due to the interaction between the permanent magnet and slotted armature lamination, there exists cogging torque in slotted permanent magnet motors, which may cause noise and vibration.
永磁电机中永磁体与有槽电枢铁心之间相互作用，产生齿槽转矩，引起电机振动和噪声。
The effects of stator and rotor eccentricity on the magnetic field distributions, cogging torque and unbalanced force were calculated in this paper by using finite element method (FEM).
采用有限元法计算分析了定子偏心与转子偏心对无刷直流电动机的气隙磁场、定位力矩及单向磁拉力的影响。
On this basis, back electromotive force without load and with load is researched, simulated and analyzed, and cogging torque is analyzed and calculated in different dimensions of magnetic steel.
在此基础上，仿真了空载和负载下的电机反电动势，并且对不同磁钢尺寸下的定位力矩进行了分析计算。
Parameters of the induced electromotive force and the electromagnetic torque and so on of the novel motor have been calculated, and it is not difficult to catch the maximum value of cogging torque.
计算了复合电机的感应电动势和电磁转矩，捕捉了齿槽定位转矩的最大值等电机参数。
They are also preferred in applications where no cogging and minimal torque ripple is important.
他们也应用于无波动或最小转矩脉动领域。
They are also preferred in applications where no cogging and minimal torque ripple is important.
他们也应用于无波动或最小转矩脉动领域。
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