，就要把它的各种型号都搞明白，那么，其型号都有哪些呢？ If you want to understand the miniature DC motor
, you must understand its various models. So, what are their models? Let's take a look at the miniature DC motor models:
Micro DC motors can be divided into special motors, electromagnetic motors and permanent magnet motors. Special motors generally have no windings, and their driving is more complicated. As a kind of motor, it has its own system. Electromagnetic motors have different characteristics due to different excitation methods. The performance of the permanent magnet motor is similar to that of the electromagnetic parallel-excitation motor. The starting torque is large, the mechanical characteristics are hard, and the speed changes little when the load changes. It is suitable for low-power DC drives, such as electric toys, power tools, audio equipment, and automotive electrical appliances. Wait.
The motor of this miniature DC motor has only two leads, which can adjust the supply voltage or current to adjust the speed. The polarity of the two leads is changed, and the motor is commutated. The drive circuit is controlled by a single chip microcomputer. Generally, it is required to be able to perform forward and reverse rotation and speed Drive, and the volume should not be too large.
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