Robot cleaner coordinates compensation method and a robot cleaner system using the same
US7438766B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2005 |
| Grant date | Oct 21, 2008 |
| Priority date | — |
| Expiry date | Aug 26, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D1/0255
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A coordinates compensation method of a robot cleaner using an angle sensor compensates coordinates of the robot cleaner with reference to absolute coordinates of a recharging station, so as to improve robot cleaner's path following. The robot cleaner is in a standby mode at the recharging station, and moves to an operation area to perform a given job. The robot cleaner stops the given job upon determining an accumulative angle exceeding a predetermined level, and returns to the recharging station. Current coordinates of the robot cleaner are aligned with reference coordinates of the recharging station, and the robot cleaner moves to a previous spot where it was before it returns to the recharging station, and resumes the work from where it stopped.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.