electromagnets

The electromagnets would require only an initial power input to start the current in their coils.

这种电磁铁只要馈入一个初始功率就能起动线圈里的电流。

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An electromagnet behaves like a permanent magnet. Large electromagnets are used for lifting heavy iron object.

电磁铁能像磁铁般有吸力, 可用于搬勋重的铁.

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Electromagnets find frequent application in research, industry, medical, and consumer products.

电磁铁在研究, 工业, 医学, 和消耗品上有广泛的应用.

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The generator represents magnetron , packaged with constants and electromagnets ( 2 coils magnetic ) in the magnetic-shielded ceramic-metal execution.

该磁控管的设计采用电磁石,封装采用金属陶瓷.

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Other electromagnets would push and pull the train along the track.

其他的电磁铁会在轨道上拉或者推火车.

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Electromagnets would be used to dissipate the energy of an anti-tank missile.

电磁体是用来消散 反 坦克导弹的能量的.

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A numerical analysis of the attractive force characteristics of solenoidal electromagnets

螺管式电磁铁吸力特性的数值分析

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In the system of hybrid suspension with electromagnets and permanent magnets, a method of producing two complementary PWM wave with dead-time using CPLD is proposed.

研究电磁永磁混合悬浮系统中，利用CPLD产生两路互补、带死区的PWM波的方法。

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Electromagnets are very useful in our daily lives.

电磁铁在日常生活中用处非常大.

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Consequently, BEC researchers got accustomed to surrounding their vacuum cells with powerful but cumbersome electromagnets.

因此, BEC的研究人员习惯在真空腔旁,绕上强力却笨重的电磁铁.

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The primary contents and original contributions of this thesis are as follows: ( 1) In view of the problems of magnetic bearing, a hybrid active magnetic bearing system is proposed by a permanent magnet generate static bias magnetic field and electromagnets provide the control magnetic field.

针对目前电磁轴承中存在的问题，提出了利用永久磁铁提供偏置磁场、电磁铁提供控制磁场的混合式主动磁悬浮轴承系统。

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The former combines radial magnetic bearing with a motor magnetically to realize driving torque as well as two radial degree magnetic suspension, and the latter utilizes electromagnets together with a homopolar, permanent magnet bias topology to support the shaft in two radial degrees and one axial degree.

其中无轴承电机将悬浮绕组与转矩绕组叠绕在一起，同时实现转矩驱动和转子两自由度径向悬浮；三自由度磁轴承利用单极永磁偏置磁场实现转子轴向悬浮以及两自由度径向悬浮。

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This paper presents a microstroke mechanism driven by electromagnets and its control circuit design.

介绍一种电磁铁驱动的微进给机构及其控制电路设计.

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Electromagnets in the wings below the guideway are attracted upward toward iron bars in the guideway.

导轨下方两[翼]中所藏之电磁铁受吸力引向导轨中的铁条.

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It is customary to use electromagnets rather than permanent magnets for the field.

在实际使用中.普遍的方法是用电磁代替永久磁体.

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The field may be provided by permanent magnets or by electromagnets.

外地可能提供的永磁材料,或由电磁铁.

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Then center control module produces corresponding control information and transmits to each executive module through MVB bus. The executing module controls the current and makes electromagnets force equilibrium between the wheel/ rail. Each executive module uses PID algorithm to control magnetic effectively.

然后由中心控制模块产生相应的控制信息，通过MVB总线传送到各执行模块，由执行模块来控制电磁铁的电流，使左右轮轨间受力趋于平衡。

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Abrasion comparison test between symmetric and asymmetric electromagnets is made. The test results show that the asymmetric structure is worn much more uniformly.

开展了对称与非对称结构电磁体对比磨损试验，试验结果表明，非对称结构电磁体磨损均匀，验证了非对称结构电磁体理论分析的正确性。

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