The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 23, 2021

Filed:

Jul. 19, 2018
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventor:

Takayuki Yoshizumi, Tokyo, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B25J 9/16 (2006.01);
U.S. Cl.
CPC ...
B25J 9/1687 (2013.01); B25J 9/161 (2013.01); B25J 9/1633 (2013.01); G05B 2219/39342 (2013.01); G05B 2219/39343 (2013.01); G05B 2219/40032 (2013.01); G05B 2219/40392 (2013.01);
Abstract

A computer-implemented method executed by a robotic system for performing a positional search process in an assembly task is presented. The method includes applying forces to a first component to be inserted into a second component, detecting the forces applied to the first component by employing a plurality of force sensors attached to a robotic arm of the robotic system, extracting training samples corresponding to the forces applied to the first component, normalizing time-series data for each of the training samples by applying a variable transformation about a right tilt direction, creating a time-series prediction model of transformed training data, applying the variable transformation with different directions for a test sample, and calculating a matching ratio between the created time-series prediction model and the transformed test sample.


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