New insights on the override control problem

Elizabeth Villota, Suhada Jayasuriya

Producción científica: Capítulo del libro/informe/acta de congresoContribución a la conferenciarevisión exhaustiva


This paper considers the override (OR) control strategy, employed for systems possessing limits on the plant variables (states and output). The aim of this work is to analyze the OR control problem on the basis of the well studied anti-windup (AW) control problem in order to facilitate transparency and systemati-zation in the OR control system design. The performance objective related to the OR control problem is first defined and a general structural representation for OR control, comprising potential static and dynamic configurations as special cases, is then presented. The effect of OR control on the closed-loop is evaluated in terms of a general framework, termed conditioning of the plant, which permits the unification and comparison of all OR control schemes. A difference system describing the mismatch between the OR control system and the ideal output constrained system responses is further employed for comparison of OR control schemes and for synthesis of compensators as it readily quantifies the OR control objective. Finally, an optimal LMI-based optimization method for designing static OR controllers is provided and the resulting performance of the design strategy is shown by a simulation example.

Idioma originalInglés
Título de la publicación alojadaMechanical Systems and Control
EditorialAmerican Society of Mechanical Engineers (ASME)
Número de páginas10
ISBN (versión digital)0791843033
EstadoPublicada - 2007
Publicado de forma externa
EventoASME 2007 International Mechanical Engineering Congress and Exposition, IMECE 2007 - Seattle, Estados Unidos
Duración: 11 nov. 200715 nov. 2007

Serie de la publicación

NombreASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)


ConferenciaASME 2007 International Mechanical Engineering Congress and Exposition, IMECE 2007
País/TerritorioEstados Unidos


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