ROBOT CONTROL DEVICE AND CALIBRATION METHOD

WIPO Patent Application WO/2018/163450

A1

A robot control device (2) is provided with: a robot control unit (20) which uses calibration data to control an operation of a robot (1); an image processing unit (21) which acquires camera coordinates of a reference marker (5) from image data acquired by a vision sensor (3); an error calculating unit (22) which obtains an error on the basis of a difference between the camera coordinates of the reference marker corresponding to the calibration data and the current camera coordinates of the reference marker; a calibration data calculating unit (24) which calculates new calibration data if the absolute value of the error is greater than a threshold; and a calibration data storage unit (26) which stores the new calibration data. The calibration data calculating unit is caused to calculate new calibration data a plurality of times, with the robot operation interposed therebetween, and the plurality of sets of calibration data are stored in the calibration data storage unit.

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SAKURAMOTO YASUNORI (JP)

PCT/JP2017/021349

September 13, 2018

June 08, 2017

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MITSUBISHI ELECTRIC CORP (JP)

B25J9/10; B25J13/08

JP2006035384A	2006-02-09
JP2016078195A	2016-05-16
JP2014069272A	2014-04-21
US5297238A	1994-03-22

TAKAMURA, Jun (JP)

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