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- The thesis first expounds the basic components, running principles of Brushless DC Motor as well as the basic principles and methods of sensorless commutation detection based on back electromagnetic force (BEMF). 文章首先对无刷直流电机的基本组成环节、工作原理作了论述,并介绍了无刷直流电机反电动势法转子位置检测的基本原理和方法。
- 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. 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。
- commutation detection 换相检测
- Commutation is distinct from reprieve. 减刑不同于缓刑。
- He appealed for (a) commutation of the death sentence to life imprisonment. 他已上诉请求将死刑减为无期徒刑。
- I look for my commutation ticket. 我找月票。
- Pertaining to the detection and isolation of a malfunction or mistake. 用于修饰或说明与故障或错误的检测和隔离有关的特性。
- This trick escaped detection at the time. 这骗局那时候没被发觉。
- The criminal adopted ruse to escape detection. 这罪犯采取诈术来逃避侦破。
- British trucks have a small camo detection radius. 英军卡车获得小范围的反伪装能力。
- Commutation failures are one of the common faults in HVDC systems. 换相失败是直流系统的最常见故障之一。
- Our main detection device is sonar. 我们主要的探测装置是声波定位仪。
- The second commutation process was much longer than the first one. 相间换流速度快,幅度大,同臂号晶闸管间的分流速度慢,幅度小;
- Nose is a remarkable sensitive detection device. 鼻子是一种非常灵敏的探测器官。
- What if they dodged my detection? 要是他们躲开我怎么办?
- Early detection of cancers is vitally important. 癌症的早期查出是极为重要的。
- Many problems, however, escape detection. 然而许多问题却未被察觉。
- My commutation ticket came back to me with a dark stain from his hand. 我的月季票递还给我时上面留下了他手上的黑汗渍。
- Click "Retry" to retry cartridge detection. 要重新检测墨盒,请单击“重试”。
- WHEEL WELL FIRE DETECTION ELEMENT. 轮舱火警探测元件。