SERVOMOTOR CONTROLLER

PURPOSE:To reduce a control error between respective shafts, by varying the command degree of the servo-drivers of the respective shafts according to the control error between the respective shafts. CONSTITUTION:By a conversion function unit 8, feedback signal b(B) from the position detector 3B of a second shaft is converted to correspond with feedback signal b(A) from the position detector 3A of a first shaft. Then, the input of the output signal e of the conversion function unit 8 to a comparator 9 is provided, and is compared with the feedback signal b(A) from the position detector 3A of the first shaft, and the output of a control error between two shafts is generated. The input of the deviation signal f of the comparator 9, to the servo-driver command degree varying sections 7 of the respective shafts is provided. As a result, the value of the control error of the servo-system of the respective shafts can be controlled to be diminished.