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Switching Circuit For A Permanent Magnet Dc Motor, Alex Boatman
Switching Circuit For A Permanent Magnet Dc Motor, Alex Boatman
Electrical Engineering
The project is a circuit that will basically supply current from the battery to the different stator coils at opportune moments. With a hall-effect sensor on the shaft as a feedback to a microcontroller, I was able to toggle switches based on the position of the shaft at the moments where we would be using as little power as possible. The operation of the control circuit works similar to a stepper motor; it takes a signal from the microcontroller that is sent to some FET drivers, which in turn sends signals to the FETs to open or close as the …