Patent ID: 9106169
Filing Date: 2015-08-11
Classification: B23Q,G05B,H02P

Abstract:
1. A controller structure for a plurality of drive units mechanically coupled to a movable element, comprising: a single position measuring device configured to determine an actual position of the movable element; and a position controller configured to calculate a setpoint speed valid for all drive units from a setpoint position and the actual position; wherein the position measuring device and the position controller are configured to jointly serve all of the drive units, each drive unit including a speed controller; wherein one drive unit is configured as a higher-order master, and each drive units subordinated to the master is configured as a slave and includes an MMS controller configured to provide a speed correction value for the master and the slave; and wherein the plurality of drive units are mechanically coupled to the movable element and are configured to simultaneously advance the movable element in one direction.