2010/1/7 Chris Morley <chrisinnana...@hotmail.com>: >> There was a company in BC Canada selling small brushless servo motor >> systems very cheaply.
> Yes what is the link please? I think he is referring to http://www.dmm-tech.com/ Which do look tempting. Anyway, my take on how brushless servos work: They are effectively just the same as a DC servo, except instead of the commutator determining which windings are energised, and in which direction, the driver board does that using the hall sensors to determine the rotor position. So, the hall sensors tell the drive which wires to energise to achieve clockwise or anticlockwise torque, and the feedback controller (either in the drive, or in EMC, or anywhere else you choose to run it) decides how much torque and in what direction is needed to achieve position. -- atp ------------------------------------------------------------------------------ This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers http://p.sf.net/sfu/verizon-dev2dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
