您要查找的是不是:
- The cogging torque can be reduced efficiently by suitable selection of the relative angle between dual stators. 选择合适的内外定子相对位置,可有效地削弱齿槽转矩。
- However, their cogging torque or unbalanced radial force is usually high, deteriorating the machine performance. 但是这种电机的齿槽定位转矩或不对称径向力一般也比较高。
- The results showed that suitable magnet poles notching could reduce the cogging torque effectively. 结果表明,适当的磁极开槽可有效削弱永磁电动机的齿槽转矩。
- An optimal design for cogging torque reduction based on the superposition model is made. 利用此模型对永磁电机槽口进行优化设计,使得齿槽转矩通过叠加抵消达到最小化;
- 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。
- Cogging torque is one of the most important parameters of PM motors,which causes torque ripple,vibration and acoustic noise. 齿槽转矩是永磁电机最重要的参数之一,它的存在会造成电机的转矩波动、振动和噪声。
- The cogging torque was the main factor that causes a PM stepping motor to be vibrated, noisy and even influences its safe operation. 摘要齿槽转矩是引起永磁步进电机振动、噪声甚至影响其安全运行的主要因素。
- 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。
- Cogging torque is one of the most important parameters of PM motors, which causes torque ripple, vibration and acoustic noise. 摘要齿槽转矩是永磁电机最重要的参数之一,它的存在会造成电机的转矩波动、振动和噪声。
- Wang Xinghua, Li Qingfu, Wang Shuhong.Analytical calculation of cogging torque in brushless DC motor[J].Proceedings of the CSEE,2002,22(10):104-108. [10]王兴华;励庆孚;王曙鸿.;永磁无刷直流电机磁阻转矩的解析计算方法[J]
- In this paper, a simple model of cogging torque, using torque superposition of waveforms phase-shifted from torque waveform of one poletransition over one slot, is presented. 采用一种简单的转矩计算模型,即一个磁极中心经过一个槽口所产生的齿槽拉力波形的移相叠加来近似整个永磁电机的齿槽转矩;
- It analyzed the influence of construction on performance characteristics such as cogging torque and output voltages,drawm some valuable conclusions to guide the design of PMSG. 分析了电机结构对运行特性的影响,如齿槽转矩和输出电压,得出了一些对设计有指导作用的结论。
- A 64-pole, 60-slot permanent-magnet synchronous generator is chosen.The 1.0667 slot-to-pole ratio can not only achieve greater magnetic efficiency, but also reduce cogging torque. 永磁式同步发电机选用64极60槽之结构,其极槽比为1.;0667,不但磁通利用率高,且能抑制顿转矩之产生。
- It should be emphasized that this method can be applicable to all permanent magnet machines having sinusoidal back-EMF and relatively higher cogging torque. 该控制方法也可拓展应用到其它反电动势为正弦且定位力矩较大的永磁电机驱动系统。
- To minimize the cogging torque, a global optimization algorithm(zooming algorithm) and the finite element method(FEM) are combined to find the best pole arc combination. 为使齿槽转矩最小,采用全局优化方法与有限元相结合以获得最优极弧系数组合。
- In this paper, the influence of rotor-skewing on the machine performance, such as the unbalanced radial force, cogging torque and back EMF, is analyzed, with two different prototypes being comparatively studied. 分析了转子斜极对其不对称径向力、齿槽定位转矩和反电势等性能的影响,并用两种不同结构的电机进行对比研究。
- A design example for using in semiconductor conveying equipments is illustrated, which performs better than the existing design on the cogging torque, torque ripple, and torque density. 本文之成果有助于马达与齿轮减速机整合设计的创新研发,并提供工程设计人员一解析与设计该机电整合装置的有效工具。
- It s more complicated to calculate the cogging torque precisely,because it s related to many effects,such as the number of poles and tooth,poles-arc coefficient,kinds of slot and so on. 齿槽转矩是由永磁体磁场与磁槽之间相互作用而产生的,它会引起转矩脉动,甚至可能发生与电机共振的现象。
- 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。
- Beside its cogging torque is also calculated.Finally, The experimental data is given and compared with the magnetic field computation results to prove the method above is available. 给出了样机实验数据,并与磁场计算结果进行了对比分析,比较结果说明以上方法是有效的。