Remote processor crash recovery
US4589090A · kind A · utility
23Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 1982 |
| Grant date | May 13, 1986 |
| Priority date | — |
| Expiry date | Sep 21, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/25381
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The present invention is a multiprocessor machine control system in which the failure of one of the processors to reset can be ignored by the rest of the control system. In particular, a software crash or other abnormality on one of the processors will generate a reset procedure. If the processor cannot be reset, this will indicate a processor board failure such as a hardware failure. If the processor and its controlled elements are not crucial to the machine operation, then the control wll ignore the failed processor as though it were not in the control system, and continue with machine operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.