Automation systems diagnostics and predictive failure detection
US7973508B2 · kind B2 · utility
6Cited by
4References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 10, 2007 |
| Grant date | Jul 5, 2011 |
| Priority date | — |
| Expiry date | Nov 29, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/42311
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention discloses a system and method for monitoring and diagnosing a robot mechanism. This requires adding intelligence to the diagnostics by parameters of physical robot arm linkages respecting component relative rotation or load transfer; storing rotation or translation relationship parameters characteristic of resonant frequencies between at least one mechanical link; receiving servo motor signals; digitizing and storing servo known normal data time histories; performing a time domain to frequency domain transformation on signal to identify components which are out-of band limit pre-sets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.