Re: [CAD_CAM_EDM_DRO] Building your own PM AC servo driver? (was: AC Servo Motors and Drives)

See:
http://groups.yahoo.com/group/osmc/

They are designing 3 phase drives right now...

- Steven Ciciora

<snip>

</snip>

>Has anyone here tried to build their own drive for a Permanent Magnet
>AC servo motor? There are several microcontrollers and DSP chips out
>there with multiple PWM channel outputs. Texas Instruments, Motorola
>and Analog Devices all make dedicated DSPs with built in encoder
>inputs, six PWM channels, A/D channels for measuring current in the
>windings etc. I can buy single pieces (a TI one, the TMS320LF2407A),
>at my local electronics shop for about $25.
> TI also has several application notes on the subject, for
>example "SPRA588 - Implementation of a Speed Field Oriented Control
>of 3-phase PMSM Motor using TMS320F240". Field Oriented Control (FOC)
>seems to be the latest in servo drives, and gives very precise
>control over the motor.
>
>Any thoughts about this?
>
>// Arvid Brodin
>
>
>
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