Model-free adaptation of a process controller
US6970750B2 · kind B2 · utility
13Cited by
11References
50Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 19, 2002 |
| Grant date | Nov 29, 2005 |
| Priority date | — |
| Expiry date | Oct 9, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B13/024
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An adaptive process controller drives a process variable to be substantially equivalent to a set point and adapts the controller gain, the controller reset, and/or the controller rate, based on model free adaptation. The adaptive controller combines a controller gain computed from an oscillation index with a controller gain computed from a steady state estimate and that adapts the controller reset/rate by forcing the ratio of two of the controller proportional, integral or derivative terms to be equal to a predetermined value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.