2011年8月19日 星期五

Servo motor | Why can not put the origin of the middle to put the limit at the negative side!?!?

Servo motor | Why can not put the origin of the middle to put the limit at the negative side!?!?


Origin are generally placed next to the limit in the negative, almost no one put the middle, is why!?

Servo motors in the past to find the origin, only to find a direction.

If the motor stop position is at the origin of the positive direction, negative direction to find no problem.

However, if the motor stop position is at the origin of the negative direction,
To find the origin or to the negative direction, it will hit the limit.

Although the servo drive has been to find the origin, the encounter limit, will go the opposite direction to find the origin of the function.
However, the relative waste of time will be longer.

People may say, I recorded the coordinates, if it is at the origin of the positive, negative to go aboard,
If it is at the origin of the negative, go out walking.
The question is: first to the positive or the negative go!? For motor after the positive or negative to!?

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