Patent ID: 8587247
Filing Date: 2013-11-19
Classification: G05B,H02P

Abstract:
1. A synchronous control apparatus to synchronously control a plurality of motors with respect to a control subject, comprising: a command device comprising: a plurality of motor control devices each comprising: wherein the control subject is a gantry mechanism including two motors as the plurality of motors, and wherein when the work position is expressed by an XY-axes coordinate system, the first position controller in the command device is configured to perform proportion integration control with respect to a difference between the position command and one of axis coordinate system positions of the work position, and when a distance between the movable axes of the two motors is defined as 1, a value obtained by multiplying a ratio in the distance between the axes by one of the plurality of position information, and a value obtained by multiplying a remaining ratio by another position information among the plurality of position information are added to each other, thereby computing the one of the axis coordinate system positions of the work position.