无刷直流电机控制

Thisapplicationnotediscussesthestepsofdeveloping

severalcontrollersforbrushlessmotors.Wecoversen-

sored,sensorless,open-loop,andclosed-loopdesign.

Thereisevenacontrollerwithindependentvoltageand

speedcontrolssoyoucandiscoveryourmotor’schar-

acteristicsempirically.AN857BrushlessDCMotorControlMadeEasyAuthor:WardBrownment.ThefinalcodecanthenbeportedtooneoftheMicrochipTechnologyInc.smaller,lessexpensive,PICmicrocontrollers.TheportingtakesminimaleffortbecausetheinstructionsetisidenticalforallPIC14-bitcoredevices.INTRODUCTIONItshould