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#1
 
02-26-2010, 06:19 PM
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I'm thinking of building a simple PWM/DIR BLDC servo amplifier with current limiting to use with EMC2 in closed loop. This is what i have created so far, and i would like comments! http://dl.dropbox.com/u/699071/logic1.JPG http://dl.dropbox.com/u/699071/logic2.JPG I can detect the correct phase from the hall sensors in simulation. For example phase 1 output will go to DriveA LowIn and DriveB HighIn. DIR will switch the outputs of DriveA that go to a gate driver for the correct phase. Think this logic would work? I will fix so the DriveA outputs PWM later.  |
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