1) continuation of magnetic field
磁场换算
1.
Application of genetic algorithm in continuation of magnetic field of submarines in high areas
一种基于遗传优化算法的潜艇高空磁场换算方法
2) magnetic field commutator
磁场换向
1.
This principle of magnetic field commutator is introduce though using MATLAB simulator and real local data.
通过介绍磁场换向原理,使用MATLAB仿真并结合现场实际的数据,讨论了全数字磁场换向直流调速系统中应注意的一些问题。
3) commutation fi
换向磁场
1.
Thus the dynamic process of commutation field is shown in a steady form.
在应用有限元法分析电机电磁场的过程中 ,根据直流电机换向理论 ,采用定转子相对位置不变 ,而换向元件电流变化的方法 ,把换向磁场的动态问题用稳态的形式表现出来。
4) magnetic field calculation
磁场计算
1.
The electromagnetic model of the multi-solenoid superconducting magnet for the optimization is worked out based on the magnetic field calculation for the single solenoid magnet, and the stray field and the maximum fields of the multipl.
以单螺线管磁场计算为基础,用矢量叠加的方法计算多螺线管磁体的漏磁和最大磁场,从而建立了用于优化的螺线管型超导磁体的电磁模型。
2.
The claw pole alternator design is very complicated because of rotor s 3D construction,and the magnetic field calculation of the claw pole alternator is fundamental to the design and analysis of the alternator such as parameters calculation, performance analysis, and the design of hybrid claw pole alternator with new type permanent magnet.
爪极电机的设计是比较复杂的问题 ,因为其转子结构和磁场分布呈三维性 ;而爪极电机的磁场计算又是分析、设计爪极电机的基础 ,它对于爪极电机的参数计算、性能设计和采用永磁材料设计新型混合式爪极电机都具有十分重要地意义。
5) magnetic field computation
磁场计算
1.
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。
2.
The movement of the rotor is necessary for magnetic field computation of electric machines.
电机磁场计算中转子的转动十分必要,转子移动时气隙网格将发生畸变影响计算精度。
3.
A numerical-analytical method is applied to the two-dimensional magnetic field computation in rotating electric machines in this paper.
以一台永磁无刷电机的磁场计算为例,通过与有限元法的计算结果比较,验证了本文方法的正确性和有效性。
6) magnetic field extrapolation
磁场推算
1.
In order to master the submarine s magnetic field distribution in the air completely and exactly,and study the submarine s magnetic-concealed performance,the mathematics model of submarine s magnetic field extrapolation was built by using boundary element method.
为了解和掌握潜艇空间磁场的分布,以研究潜艇的磁隐身性能,利用边界元法建立潜艇空间磁场推算的数学模型,设计试验测量得到用于建模的潜艇模型周围某包络面上的3分量磁场值,然后用3分量测磁仪测量得到艇模上方不同高度上的磁场数据。
2.
In order to effectively overcome the difficulties,which are often met in magnetic field extrapolation by traditional continuation methods, a direct model for magnetic field extrapolation based on equivalent surface magnetic charge intensity was derived from the boundary theory.
为有效解决舰艇传统磁场推算方法中存在的困难,从边界元理论出发,推导了基于等效面磁荷密度的磁场推算正演模型。
补充资料：换向机构
利用不同控制方法使从动件改变运动方向的机构，常与其他机构联合使用。这种机构的具体形式很多，如利用皮带、齿轮、摩擦轮、棘轮、螺旋或离合器等换向。刨床、冲床、车床和汽车等都广泛应用换向机构。图为三星齿板换向机构。当三星齿板处于位置Ⅰ时，主动齿轮通过惰轮1、2使从动齿轮反向转动;当三星齿板处于位置Ⅱ时,惰轮1与主动齿轮脱开,从动齿轮不转；当三星齿板处于位置Ⅲ时,惰轮2与主动齿轮和从动齿轮同时啮合，使从动齿轮与主动齿轮同向转动。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条