Robot system and method for calibration
US9457470B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 5, 2013 |
| Grant date | Oct 4, 2016 |
| Priority date | — |
| Expiry date | Apr 5, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S901/09
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A method and a system for calibrating a first coordinate system Rf of a robot unit with a second coordinate system Cf of an object identification unit, wherein the robot unit includes a robot arm with an end effector and the object identification unit includes a camera unit. The calibration is performed using a calibration marker on the end effector. The method determines the intrinsic and the extrinsic parameters of the camera unit in two steps, a first step where the intrinsic parameters and a rotational part of the extrinsic parameters are determined, and a second step where a translational part of the extrinsic parameters are determined.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.