In short: better performance, more precise controlling of the rotation speed
and of course longer lifetime. In a brushed motor you are rely on the
contacts of the brushes and the speed relies on the input voltage basically.
With brushless you control the whole with a proper electric device. With the
brushless motors you can even get an outrunner that gives much better
performance as the stator and the windings are standing still while only the
relatively light magnets are spinning.

Tamas


On 15/08/06, L030010 <l030010@singnet.com.sg> wrote:
>
> Hi all
>
> can anyone please advice me why is it good to use a brushless motor? and
> if
> i need a PID control of position is it a good choice?
>
> Regards
>
>
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