Linear matrix inequalities in multirate control over networks

This paper faces two of the main drawbacks in networked control systems: bandwidth constraints and timevarying delays. The bandwidth limitations are solved by using multirate control techniques. The resultant multirate controller must ensure closed-loop stability in the presence of time-varying dela...

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Detalles Bibliográficos
Autores: Cuenca, Ángel|||0000-0003-4466-2666, Salt Llobregat, Julián José|||0000-0002-9640-2658, Sala, Antonio|||0000-0002-5691-8772, Pizá, Ricardo
Tipo de recurso: artículo
Fecha de publicación:2012
País:España
Institución:Universitat Politècnica de València (UPV)
Repositorio:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Idioma:inglés
OAI Identifier:oai:riunet.upv.es:10251/35917
Acceso en línea:https://riunet.upv.es/handle/10251/35917
Access Level:acceso abierto
Palabra clave:Bandwidth constraint
Bandwidth limitation
Closed loop stability
Experimental environment
Multirate control
Profibus
Stability condition
State feedback controller
Time-varying delay
Linear matrix inequalities
Magnetic levitation
Networked control systems
State feedback
INGENIERIA DE SISTEMAS Y AUTOMATICA
Descripción
Sumario:This paper faces two of the main drawbacks in networked control systems: bandwidth constraints and timevarying delays. The bandwidth limitations are solved by using multirate control techniques. The resultant multirate controller must ensure closed-loop stability in the presence of time-varying delays. Some stability conditions and a state feedback controller design are formulated in terms of linear matrix inequalities. The theoretical proposal is validated in two different experimental environments: a crane-based test-bed over Ethernet, and a maglev based platform over Profibus. © 2012 Ángel Cuenca et al.