磁矩

Special functions established in different reference frames served as the reference model and the adjustable model of MRAS, and the steady-state electric torque considering to be known and thereby employed to achieve on-line identification of the induction motor mutual inductance.

该方法采用一种特殊形式函数，将该函数同时建立在2种不同的参考坐标系下，分别作为MRAS的参考模型和可调模型，同时利用稳态电磁转矩并将其作为已知量，实现了对感应电机励磁互感的在线辨识。

Based on a 5th-order model and the electromagnetic characteristics of an induction motor, we prove that the coefficient matrix is nonsingular, confirming the existence of the inverse decoupling control of stator flux and torque in any conditions.

本文从异步电动机的5阶模型及其固有的电磁特性出发，证明了其系数矩阵的非奇异性，进而结合逆系统理论证明定子磁链与电磁转矩的逆解耦在任何状态下都是存在的。

Many factors are related to this fluctuate, one of them is the permanent magnet flux fluctuate.

造成转矩波动的因素有很多，其中永磁体磁链波动是一个重要原因。

Utilizing parameters adjust arithmetic of positive and real error transfer function the paper designs a rotor flux adaptive observation.

运用MATLAB的工具软件SIMULINK对转矩的磁通闭环的矢量控制系统进行仿真分析，给出了仿真结果。

The mathematical methods to calculate the theoretical models of satellite magnetic anomalies, spherical harmonic analysis, spherical cap harmonic analysis, rectangular harmonic analysis and equivalent source method, were introduced in this paper.

本文介绍了计算卫星磁异常理论模型的数学方法，即球谐分析方法、冠谐分析方法、矩谐分析方法和等效源方法。

The function of voltage vectors on the stator flux and torque is investigated.

并且具体分析了电压矢量对转矩和磁链的作用。

The zero voltage space vector is used to keep the steady state and reduce frequency of inverter.

并且，零电压矢量被引入以保证在一定的情况下保持当前的转矩和磁链状态，减少逆变器开关次数。

The problems of vibration noise and torque ripple limit the application of switched reluctance motors. Previously various efforts for solving problems in these two aspects are isolative.

开关磁阻电机的振动噪声和转矩脉动问题制约了其推广应用，先前这2个方面的研究都彼此孤立。

There are many parameters that they influence the maximum transmittable torque, such as the number of poles, the rate of length and diameter, gap and magnetic material etc.

影响永磁齿轮传动机构最大转矩的因素很多，主要有永磁齿轮的极对数、长径比、齿轮间的气隙大小、制造永磁齿轮所用的磁钢、磁极的形状以及充磁方式等等。

The fuzzy controllers were used to replace PID torque adjustor and PID flux adjustor of VVVF vector control system.

用模糊控制器代替VVVF矢量控制系统的PID转矩调节器和PID磁链调节器。

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。