Fault-tolerant control by means of moving horizon virtual actuators: Concepts and experimental investigation
| Autor: | Luís Cláudio Oliveira-Lopes, Rafael Ribeiro Sencio, Thiago V. Costa, Flávio Vasconcelos da Silva |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
0209 industrial biotechnology
Computer science Applied Mathematics Horizon 020208 electrical & electronic engineering Process (computing) Fault tolerance 02 engineering and technology Fault (power engineering) Computer Science Applications Model predictive control 020901 industrial engineering & automation Control and Systems Engineering Control theory Position (vector) 0202 electrical engineering electronic engineering information engineering Electrical and Electronic Engineering Actuator |
| Zdroj: | Control Engineering Practice. 107:104683 |
| ISSN: | 0967-0661 |
| DOI: | 10.1016/j.conengprac.2020.104683 |
| Popis: | This work presents a moving horizon virtual actuator (MHVA) as an extension of the classical virtual actuator technique. Featuring the same properties of the well-known model predictive control (MPC), the MHVA represents a viable candidate to provide practical use of fault-tolerant control in the process industry, where MPC technology is widely applied. Experimental application of the proposed technique was demonstrated in a pH neutralization process subject to actuator fault scenarios such as lock in position and loss of effectiveness. The proposed strategy allowed the system to recover performance under fault conditions and restore the overall nominal behavior, while coping with operational constraints and allowing the nominal controller to remain functional. |
| Databáze: | OpenAIRE |
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