While you can certainly design your own control board, you can also start with the SimpleFOC motor shield for a single motor pulling up to 5 A of current.
SimpleFOC has been implemented to extend to a variety of possible implementations. With the library at your fingertips, you don’t have to! And with that, the hardest part of brushless motor control has been made simpler with a solution that’s almost plug-in-and-play. Implementing the algorithm, though, can get a bit tricky since it touches bits of linear algebra, motor physics, and control theory. Doing so requires that your processor measure both motor current (think: shunt resistor) and rotor position (think: encoder). The sum of their efforts is captured into the SimpleFOC Project in the aim of bringing precision BLDC control to a wide community of new hackers.įield-Oriented Control is a BLDC motor control scheme that involves using a microprocessor to control the stator winding current in such a way that it always applies torque to the rotor.
They’ve taken the field-oriented control algorithm and encapsulated it into a compact Arduino library, added a host of examples, and minted a stackable BLDC motor control shield to boot. The control schemes needed to run them slowly or precisely go deep into motor theory and might put these motors out of reach for your next homebrew robot project. Brushless DC (BLDC) motors are standard fare in low-precision, speedy RC applications.
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