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:
Aug. 22, 2017

Filed:

Jun. 01, 2012
Applicants:

Junmin Wang, Dublin, OH (US);

Madhu Soodhanan Govindarajan, Columbus, OH (US);

James W. Post, Ii, Dublin, OH (US);

Andrew John Fox, Powell, OH (US);

Inventors:

Junmin Wang, Dublin, OH (US);

Madhu Soodhanan Govindarajan, Columbus, OH (US);

James W. Post, II, Dublin, OH (US);

Andrew John Fox, Powell, OH (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C 21/00 (2006.01); G01C 21/20 (2006.01); G01B 7/004 (2006.01); G06T 11/00 (2006.01); G01B 11/02 (2006.01); G05D 1/02 (2006.01);
U.S. Cl.
CPC ...
G01C 21/20 (2013.01); G01B 7/004 (2013.01); G01B 11/028 (2013.01); G01C 21/206 (2013.01); G05D 1/024 (2013.01); G06T 11/005 (2013.01);
Abstract

A localization scheme and method using a laser sensor for indoor wheeled mobile robots (IWMR), which need to localize themselves for working autonomously, is provided. In this method, a laser sensor moves inside an onboard guide way and its distance measurements are used to robustly detect and recognize a unique target based on edge detection and pattern recognition techniques. From the distance measurements with respect to the recognized target, a kinematic model is developed to determine the IWMR orientation and location in the global co-ordinates (in 2-D). Such target recognition and localization methods are validated with experimental results.


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