According to coordinate transformation and united torque control theorem, the article gives general analysis on vector control based on the rotor orientation of rare-earth single-phase permanent synchronous motor used in rare-earth air-conditioners compressor, with a control system frame presented.
通过坐标变换和统一转矩控制原理,对稀土永磁单相同步电动机按转子位置定向控制作了一般性分析,并给出了其控制系统框图。
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。
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。
Qualitatively, a torque is a "twist".
定性地说,转矩就是扭转。
phase difference torque transducer
相位差式转矩传感器
ratio of running torque
转动力矩比-电位器的
The SIR increased with Fov,flip angle,matrix,angle of slice position.
结果:随着翻转角、视野、矩阵、层面定位角度的增大,SIR值增大。
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
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
rectangular indexable carbide insert
矩形可转位硬质合金刀片
magnetoelectric phase difference torque measuring instrument
磁电相位差式转矩测量仪
magnetoelectric phase difference torque transducer
磁电相位差林转矩传感器
A matrix formed by interchanging the rows and columns of a given matrix.
转置矩阵通过使一个给定的矩阵的行和列互换而形成的矩阵
static torque calibuation stand
转矩[扭矩] 静校台
The rotation of the lower extremities of the torso, hips and legs against the relatively stable shoulder girdle and upper torso allows one to create power, or torque, in the stroke.
躯干的低端(和腿)旋转相对于较稳定的肩部以上部位能使人在划水中产生力量或扭矩。
Also, in prior years, adjustment of the signal-generator and torque-generator stator mechanical radial positions was required.
前些年对信号发生器和转矩发生器定子的机械半径位置也要进行调整。
The moment of a force;the measure of a force's tendency to produce torsion and rotation about an axis, equal to the vector product of the radius vector from the axis of rotation to the point of application of the force.
转矩,力矩一种测量产生扭转和绕轴旋转趋势的力的单位,等于从旋转轴到力作用点的旋转矢量
Torque Balance Speed-Regulation System Based on Torque Setpoint Limit System for Spiral Welded Pipelines Electromotor
基于转矩给定限幅的螺旋焊管线电机转矩平衡控制调速系统
Research on stability-control technique for Boost torque controller
Boost型转矩控制器的稳定控制技术研究
Design of Smart and Dynamic Positioning System for Printing Press
胶印机智能动态规矩定位系统的设计