查询词典 magnetic torque

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。

To permanent magnetic brushless direct current motors, torque tipple is one of the major problems to be solved.

在永磁无刷直流电机中，转矩脉动是需要解决的主要问题之一。

Its thought is to change the model of the asynchronous motor through the coordinate, make it become direct current motor model, divided the electric current vector of the stator into according to the weight of two pieces of direct current with directional magnetic field of the rotor and controls, realize magnetism coherent and torque solve lotus root control , in the hope of the control result of the direct current reaching machine.

其思想就是将异步电动机的模型通过坐标变化，使之成直流电动机模型，将定子电流矢量分解为按转子磁场定向的两个直流分量并分别加以控制，从而实现磁通和转矩的解藕控制，以期达到直流电机的控制效果。

The result of experiment validated the mathematical models and simulation methods. On the basis of theoretical models and experimental data, the least square technique was used to identify the indeterminable parameters in torque motor and parameters of magnetic fluid.

在理论模型和实验数据的基础上，用最小二乘参数辨识的方法对力矩马达中的不确定参数及磁流体参数进行辨识，从而对添加磁流体的力矩马达进行了实验建模。

The aluminum sheets has the purpose to reverse the Lenz Law effect and by this way to create an asymmetrical flow of magnetic energy which produce a continous torque on the rotor.

铝薄板有目的，以扭转楞次定律效应和由这种方式产生一种非对称流磁能产生连续扭矩对转子。

A simulation with MATLAB/Simulink is carried out, simulation results show that it effectively reduces the pulsation of torque and magnetic flux linkage.

通过MATLAB/Simulink对该系统进行仿真，仿真结果表明：空间矢量脉宽调制直接转矩控制能够有效地减少电动机转矩和磁链的脉动。

In the software,it studies 3/2 transform module,magnetic flux linkage and torque estimate module,M/T velocity measurement module,PI module,fuzzy control and start module,PWM module in detailed.

对软件中3/2变换模块、磁链和转矩估算模块、M/T测速模块、PI模块、模糊控制与启动模块、PWM模块进行详细的研究。

The simulation results show that the control systems realize decoupling between magnetic flux and torque, and transient and stable performance of the control system is all right.

论文对所设计的间接矢量控制系统进行了MATLAB的建模与仿真，仿真结果表明该控制系统实现了磁通与转矩解耦，系统的静、动态性能良好。

Lastly, it optimizes magnetic pole shape to minimize the torque ripple of

通过有限元分析和比较，确定了最终的优化方案。

The change of viscosity of magnetic fluid considered, we closely reasoned the torque formula of magnetic fluid rotation sealing at low temperature from Navier-Stokes equation and analyzed the experimental results with the formula.

从一般形式的Navier-Stokes方程出发，考虑磁性液体在低温下的粘度变化，推导了低温大直径磁性液体旋转密封扭矩公式，并对实验结果进行了理论分析。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。