SYSTEM FOR CONTROLLING THE ROTATION SPEED OF A BL MOTOR Russian patent published in 2023 - IPC G05D13/62 

FIELD: controlling.

SUBSTANCE: invention relates to the field of controlling a BL motor and can be used in any industrial electromechanical systems. System for automatically controlling the rotation speed of a BL motor comprises a control signal input unit (1), a speed control valve (2), a module allocation unit (3), a current control valve (4), a multiplication unit (5), a control signal generation unit (6), a power converter (7), a BL motor (8), a rotor position sensor (9), a speed sensor (10), current a sensor (11), and a power supply unit (12). The output of the control signal input unit is linked with the first input of the speed control valve, the second input whereof is linked with the output of the speed sensor, the output of the speed control valve is linked with the input of the module allocation unit and the second input of the multiplication unit, the output of the module allocation unit is linked with the first input of the current control valve, the second input whereof is linked with the output of the current sensor, the output of the current control valve is linked with the first input of the multiplication unit, the output of the multiplication unit is linked with the first input of the control signal generation unit, the second input whereof is linked with the output of the rotor position sensor, and the control outputs of the control signal generation unit are linked with the inputs of the power converter, the outputs whereof are linked with the phases of the BL motor.

EFFECT: simplified system for controlling the rotation speed of a BL motor, faster response of the system and higher reliability.

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