Distributed control system
US4542479A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1982 |
| Grant date | Sep 17, 1985 |
| Priority date | — |
| Expiry date | Apr 14, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B9/03
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A distributed control system wherein a plurality of controlled objects are normally controlled by independent controllers, respectively, and each of the controllers has a monitoring function to monitor status of at least one of other controllers and a backup control function to control the controlled object normally controlled by the one controller when the one controller becomes out of order is arranged such that a main transmission path is provided which has sections respectively corresponding to the controllers and the signal transmission necessary for normal control of the controlled object associated with each controller, monitoring of status of at least one of other controllers and backup control of the one controller is effected by using the section of the main transmission path corresponding to the one controller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.