2D finite element method was used to analyze the starting period, the pulling into period and cogging torque of line-start permanent magnetic synchronous motor, contrasting with the experiment result, the calculation had good precision.
采用场路耦合的二维有限元法,对异步起动永磁同步电机的起动过程以及牵入过程、定位转矩等进行计算;通过与试验结果对比,得到场路耦合有限元法可以准确计算异步起动永磁同步电机的转矩特性的结论;并可以通过准确仿真计算得到电机的优化参数以及优化特性。
In single-phase brushless DC motors with high magnetic load, the typical asymmetric air-gap structure will lead to high cogging torque peaks, which will distort the torque envelope together with the high current peaks commonly found.
在具有较高磁负荷的单相无刷直流电动机中,不均匀气隙结构以及通常存在的电流尖峰将导致尖峰定位转矩的产生,从而造成合成转矩特性的严重畸变。
But this double salient structure also causes that the cogging torque in FRM is great,which can influence the smooth of t.
但该电机的自身双凸极结构决定了其定位转矩较大,对转动平稳性和噪音控制等都有很大影响,因此文中通过有限元方法详细地分析了电机定转子齿宽、永磁体高度和斜槽角度这些参数的变化对定位转矩的影响,并在此基础上设计得到了一款样机。
The effects of the Axial double cut iso-thick tile shape magnet to the position torque of the tooth-tough armature permanent-magnet motor and the induction EMF wave of the armature are analyzed in this paper by using the principle of 3 dimensional air-gap magnetic density wave of permanent-magnet motor.
利用永磁电机三维气隙磁密波形分析了轴向双削角等厚瓦形磁钢对齿槽电枢永磁电机定位转矩和电枢元件感应电势波形的影响 ,比较了各种改善电机性能的方法和利弊 ,认定这种特殊设计的磁极有理想的磁密波形 ,稳定的充磁性能 ,磁钢完全利用 ,且只需传统的电机结构和工艺就可实现优异电机性能。
Using the finite element method(FEM),the no load magnetic field in permanent magnetic micro servo-motor is calculated,therefrom the position torque can be difined.
用有限元法(FEM)对小功率微型永磁交流伺服电动杌的空载磁场进行了计算和分析,并由此计算了电机的定位转矩,阐述了 FEM 用于结构较复杂的微型永磁伺服电动杌的磁场计算中所呈现的特殊问题,以实例验证了用 FEM 来计算微型永磁伺服电动机的空载磁场和定位转矩,可获得较精确的结果。
Research on the Method of Data Sampling on the Opening and Closing Valve Torque Measure System;
阀门启闭动态转矩测定装置数据采集方案研究
Stator Flux Linkage and Rotor Speed Observation for PMSM DTC Based on EKF
基于EKF PMSM定子磁链和转速观测直接转矩控制
Qualitatively, a torque is a "twist".
定性地说,转矩就是扭转。
A research of the consruction of rotation matrix without approximate values in close-rang photogrammetry
近景摄影测量中不测定初始值的旋转矩阵构成方法研究
magnetoelastic torque measuring instrument
磁弹性式转矩测量仪
The Calculatiou of critical load by torsion angle-bending moment matix;
用转角弯矩矩阵确定压杆的临界荷载
A method of measuring the friction parameters of stabilized turntable driven by torque motor is proposed.
提出一种测量由力矩电机驱动的稳定转台摩擦参数的方法。
Research of Direct Torque Control System Based on Stator Flux Low Pass Filter Estimation;
基于定子磁链低通滤波观测的直接转矩控制系统研究
The Research of Sensorless Direct Torque Control System Based on the New Stator Flux Estimator
基于新型定子磁链观测器的无传感器直接转矩控制系统研究
Calibration of transform matrix between sun sensor measurement and cubic prism coordinate systems
太阳敏感器测量坐标系与立方镜坐标系转换矩阵的标定
Simulation Study of Three-level DTC Based on Torque Predictive Control
转矩预测在三电平直接转矩控制中的仿真研究
Study on the Digital High Precision Torque and Rev Measurement Instrument
数字式高精度转矩转速测量仪的研制
Measurement System Based on LabVIEW of Torque & Speed of Induction Motor;
基于LabVIEW的感应电机转速转矩测量系统
The Development of Intelligent Tester of Electrical Machinery Torque and Rotation-spee;
智能化电机转矩、转速测试仪的研制
Measuring the Torgue and Rotational Speed of Power Machinery and Recovering Energy;
动力机械的转矩转速测试及能量回收
Dynamic moment testing system based on AC servo motor torque control mode
基于伺服电机转矩模式的动态力矩测试系统
Symmetry of Moment of Inertia ang Magnetic Moment of Electrified Rigid Body Turning Around Axis;
定轴转动带电刚体的惯性矩与磁矩的对称性
Rotating Equipment's High Speed, High Torque Test Engineering Research
旋转设备的高转速、高转矩测试技术研究
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