直流电机

A bilateral permanent magnet brushless DC linear motor with short-pitch concentrated windings can be manufactured easily and with great thrust,but the back electromotive forceof its stator windings influences the thrust significantly and need careful analysis.

摘 要：短距集中绕组双边型永磁无刷直流直线电机制作简单、推力大。其定子绕组的反电势波形对推力影响较大，需要加以分析。

A bilateral permanent magnet brushless DC linear motor with short-pitch concentrated windings can be manufactured easily and with great thrust,but the back electromotive forceof its stator windings influences the thrust significantly and need careful analysis.

作者：赵宏涛，吴峻摘要：短距集中绕组双边型永磁无刷直流直线电机制作简单、推力大。其定子绕组的反电势波形对推力影响较大，需要加以分析。

A simple and high-performance brushless DC generator consisting of a controlled rectifying circuit and permanent magnet square wave motor is presented.

文摘：提出了一种可控整流电路，它与永磁方波电机联合构成一种简单、高性能的无刷直流发电机。

A simple and high-performance brushless DC generator consisting of a controlled rectifying circuit and permanent magnet square wave motor is presented.

提出了一种可控整流电路，它与永磁方波电机联合构成一种简单、高性能的无刷直流发电机。

The power loss of the electrical driving system has been measured under different exciting current of the motor and duty cycle of the dc converter.

并针对不同负载下系统稳态损耗和电机励磁电流和直流变换器占空比的关系进行了实验研究。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。