At present, there are 3 mainstream types of kitchen robot motor solutions on the market: 

switched reluctance motors, 

AC universal motors, 

brushless DC motors.

The brushless dc motor gets the same performance with AC universal motor at high speed, and big torque with SR motor at low speed, so the kitchen robot will be smaller size when using a brushless dc motor, the high efficiency and long life of a brushless dc motor is the guarantee of a kitchen robot