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This is a record of a document published elsewhere, first published by the United States Patent and Trademark Office, as US-12583121-B2, on 24 March 2026. OpenTechnical did not first disclose it. The identifier, hashes and timestamps below record what this library served and when, not when the material became public. View the original.

OT-2026-000001525

Calibration apparatus for calibrating mechanism error parameter for controlling robot

Published
Permanent URL
Classification
Robotics & Automation › Robot Architectures
Inventors
ARITA SOICHI, NAITOU YASUHIRO, YUELAI WANG
Assignee
FANUC CORP
Original source
US-12583121-B2, the United States Patent and Trademark Office, 24 March 2026
Document SHA-256
8d7cb222b3b81474891a5304164d084b6468e706079491ad4474007515066c7f

Abstract

A robot controller includes at least one memory that stores a plurality of mechanism error parameters including a first mechanism error parameter and a second mechanism error parameter. At least one processor of the robot controller acquires an actual measurement position and information on a status of a robot by driving the robot with a plurality of orientations at a plurality of positions based on the second mechanism error parameter. The at least one processor calculates a third mechanism error parameter by correcting a value of the first mechanism error parameter based on the acquired actual measurement position and information on the status of the robot. The robot is controlled based on the plurality of mechanism error parameters including the second mechanism error parameter and the third mechanism error parameter.

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Citation

OpenTechnical Publication OT-2026-000001525, “Calibration apparatus for calibrating mechanism error parameter for controlling robot,” published September 15, 2026 at 19:06:26 UTC, https://opentechnical.org/p/OT-2026-000001525.

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