Design Engineering

Servo Drive

B&R ACOPOS servo drive update detects and corrects following-error automatically.

May 13, 2014   by Design Engineering Staff

14-May-BR-Servo-control-360B&R has expanded the functionality of its ACOPOS line of servo drives, via a firmware update, to include repetitive control which improves the accuracy of production processes with stationary disturbances by using predictive following-error compensation. Embedded in the standard speed control loop for the ACOPOS drive family, repetitive control adjusts the torque setpoint of the drive in a way that reduces the periodic portions in the speed or following-error. The algorithm undergoes a constant learning process so that changes to the load profile – caused by wear, for example – have no effect on the drive due to predictive compensation for disturbances.

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