Model predictive controller
US5740033A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 13, 1992 |
| Grant date | Apr 14, 1998 |
| Priority date | — |
| Expiry date | Oct 13, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B13/048
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A model predictive controller for a process control system which includes a real-time executive sequencer and an interactive modeler. The interactive modeler includes both a process model and an independent disturbance model. The process model represents the dynamic behavior of the physical process, while the disturbance model represents current and future deviations from the process model. The interactive modeler estimates current process states from the process model and input data received from the executive sequencer. The executive sequencer then projects a set of future process parameter values, which are sought to be controlled, over a predetermined control horizon. The interactive modeler then solves a set of equations as to how the physical process will react to control changes in order to determine an optimized set of control changes. As a result, the process control system will be able to accurately track a predetermined set-point profile in the most effective and cost efficient manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.