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- Title
SIMULATION-BASED DESIGN OF DUAL-MODE CONTROLLER FOR NON-LINEAR PROCESSES.
- Authors
Jong Min Lee; Lee, Jay H.
- Abstract
This paper presents a simulation-based approach for designing a non-linear override control scheme to improve the performance of a local linear controller. The higher-level non-linear controller monitors the dynamic state of the system and calculates an override control action whenever the system is predicted to move outside an acceptable operating regime under the local controller. The design of the non-linear override controller is based on a cost-to-go function, which is constructed by using simulation or operation data. The cost-to-go function delineates the admissible region of state space within which the local controller is effective, thereby yielding a switching rule.
- Subjects
DYNAMIC programming; NONLINEAR systems; PREDICTIVE control systems; INVARIANT sets; DIFFERENTIABLE dynamical systems; LINEAR control systems
- Publication
Canadian Journal of Chemical Engineering, 2007, Vol 85, Issue 4, p506
- ISSN
0008-4034
- Publication type
Article
- DOI
10.1002/cjce.5450850412