Patent · US Active

Control method for a robot

US7872436B2 · kind B2 · utility

15Cited by

6References

47Claims

0Family size

Assignee

ABB AB · SE

Inventors

Sönke Kock · Hagfors, SE
Christian Muller · Ladenburg, DE
Torgny Brogardh
Jesper Bergsjö · Hagfors, SE
Andreas Olevik · Hagfors, SE
Stig Moberg · Visby, SE

Key dates

Filing date	May 19, 2004
Grant date	Jan 18, 2011
Priority date	—
Expiry date	Jan 28, 2027

Classification

Technology area (CPC G)Physics
CPC primaryG05B2219/41156
WIPO fieldControl
WIPO sectorInstruments

Abstract

An apparatus, a method and a control system for controlling an industrial robot with at least one axis of rotation and/or translation. The robot includes at least one actuator or motor at each of the axes for driving a movement of an arm of the robot and at least one sensor at each of the rotatable shafts. A dither-signal generator for generation of a periodic signal is used to provide a varying dither signal to a servo of the actuator. Automatic adaption of the dither signal is provided. A computer program for carrying out the method and a graphical user interface.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.