...合金；熔盐电解；反电动势；电流效率[gap=1308]Key words: Al-Li alloy; molten salt electrolysis; back electromotive force; current density...
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论文采用传统的“反电势法(Back Electromotive Force，简称BEMF)”控制技术，详细分析了“反电势法”无刷直流电机控制原理，深入研究了反电势过零检测方法，设计了简单而实用的反电势过...
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... 逆给予 back donation 逆电动势；反电动势 back electromotive force 逆萃取法；反萃取法 back extraction method ...
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电磁学&电子工程专业词汇英语翻译B-4-SCIdi... ... 后波瓣接收的回波信号 back echo 反电(动)势 back electromotive force 后视图 back elevation ...
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BEMF Back ElectroMotive Force 反电动势
back electromotive force cell 反压电池 ; 反电动势电池
back electromotive force coefficient 反电势系数
Back-electromotive force filtering 反电动势滤波
back electromotive force constant 反电动势常数
B back-electromotive force 逆起电力
Then the thesis detailedly dissertates its research pivot: the software realization of sensorless commutation detection based on the method of back electromotive force(Bemf) and open-loop commutation start-up. In this chapter, the method of BLDCM rotor position detection is first discussed.
然后，详细论述了本文的研究重点：基于反电动势法的五位置传感器换相检测和开环换相起动的软件实现。
参考来源 - 基于DSP的无刷直流电机数字控制系统研究Based on Sunplus high performance 16-bit MCU SPMC75F2313A, this system detects the rotor position by using the method of back electromotive force (EMF) to implement the control for position-sensorless BLDCM.
该系统基于凌阳高性能16位微处理器SPMC75F2313A，采用反电动势法检测转子位置信息，实现对五位置传感器无刷直流电机的控制。
参考来源 - 无位置传感器无刷直流电机调速系统的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
For the power in case of a power failure, back electromotive force of a spindle motor can be utilized.
对于在电源故障情况下的电力，可利用主轴电机的反电动势。
At first we established a test platform, making parameters adjustment of the electric machinery, testing In-Wheel-Motor back electromotive force, torque and the nt curve.
首先搭建了试验平台，对电机进行了参数调节，测试了轮毂电机的反电动势、转矩和NT曲线。
On this basis, back electromotive force without load and with load is researched, simulated and analyzed, and cogging torque is analyzed and calculated in different dimensions of magnetic steel.
在此基础上，仿真了空载和负载下的电机反电动势，并且对不同磁钢尺寸下的定位力矩进行了分析计算。
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