The main body of the DC brushless motor and the driver constitute a typical example of mechatronics. The stator windings of the motor are mostly made in a three-phase symmetrical star connection, which is very similar to a three-phase asynchronous motor. The working principle is as follows.

The core issue here is: the difference between PMSM and BLDC. The distinction between the two has been mentioned in my column before. To put it simply.

With the progress of society and the rapid development of technology, people's living standards have been improving significantly. Vacuum cleaners have gradually become an integral part of people's lives. For vacuum cleaners, there is an important component inside, which is the vacuum cleaner motor. There are many types of vacuum cleaner motors on the market. When consumers choose, what should they do?

To enhance the professional knowledge and capabilities of the R&D personnel and further improve work efficiency to adapt to the current development of motor technology, and to maintain the long-term dynamic advantage of the overall ability of the employees. On March 26, 2019, Infineel Electronics held a training lecture titled "Design of Permanent Magnet DC Motors". The lecture was given by Professor Huang Daxu, the former director of Xiwui Institute. All R&D personnel, as well as some employees from the procurement and sales departments, participated in the training.

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To become a formal embedded motherboard design and development engineer is a challenging process that requires developers to maintain and manage every bit and byte of the system. From a well-defined development cycle to strict implementation and system checks, there are many techniques for developing high-reliability embedded systems. Today, I will introduce 7 easy-to-follow and long-lasting techniques that are very helpful for ensuring that the system runs more reliably and captures abnormal behaviors.