1. The so-called positioning is to let the servo motor go to a confirmed position.
2. This direction can be so incremental, or so ***. For example, if we are on the road now, we have to go 10 meters forward, which means that our bearing will increase by 10 meters, and this 10 meters is an increment.
3. And if we want to go to a local coffee shop on this street, we need to know its cut address, assuming that the address of this street is not the house number, but from one end of the street to 0 meters (base direction), so that we can confirm the address of each direction on the street, for example, the address of this coffee shop is 100 meters of this street, then this 100 meters is a *** direction, no matter which direction we are in, we can find this coffee shop by walking to the direction of 100 meters of this street.
4. In the positioning instruction, it is divided into incremental INC instruction and *** ABS instruction.
5. Increment (INC) method: Locate by specifying the direction and amount of movement starting from the direction in which it stopped at that time.
6. *** value (ABS) method: locate to the specified address, which is the direction based on the origin.
7. Therefore, when we need to carry out *** positioning, we need to have an address on the corresponding mechanical system, which also needs a datum orientation, through which the address of each azimuth on the mechanical system can be confirmed. And this datum orientation is called the origin in the servo positioning system.
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