Multi-closed-loop control system of FOC algorithm and motor control method

The invention discloses a multi-closed-loop control system of an FOC algorithm and a motor control method, the multi-closed-loop control system comprises a speed loop, a current loop and a position loop, the speed loop is a speed set value, the speed loop is a rotating speed feedback of a motor, error value calculation is carried out on the calculated motor speed and the speed set value, the error value is substituted into a PID speed loop, and the position loop is a position loop. The method comprises the steps that a speed loop and a corresponding position loop are calculated, the calculated result is used as a reference value input by the current loop, the current loop and the corresponding position loop are arranged behind the speed loop, the current loop further comprises a current sampler, a magnetic encoder and a motor, the model of the current sampler is INA2180, and the model of the magnetic encoder is MT6701, and the invention relates to the technical field of motor control. The multi-closed-loop co