SYSTEM FOR CONTROLLING OPERATION OF BRUSHLESS MOTORS Russian patent published in 2006 - IPC H02P8/34 H02P6/16 

FIELD: electric engineering, possible use in system for automatic synchronization of step motors.

SUBSTANCE: system for controlling operation of brushless motor receiving power by current in accordance to given electric cycle, providing movement of rotor, has device for indicating mechanical position of rotor, connected to detecting device, forming together with the latter a device for incremental encoding of mechanical position of rotor. System also has block for controlling operation of motor, consisting of means for processing rotor mechanical position encoding signals, while rotor is connected to means for adjusting power of stator windings set. Device for indicating mechanical position of rotor has at least one series of rotor mechanical position indicators, appropriate to passage of stator electric cycle, as result of which incremental encoding device outputs into processing means a synchronization signal for all electric cycles.

EFFECT: simplification and decreased operation costs of systems for controlling operation of step motor and also increased steepness of motor characteristic.

13 cl, 8 dwg