Ponencia
A Prediction approach to introduce dead-time process control in a basic control course
Autor/es | Normey Rico, Julio Elías
Alamo, Teodoro Camacho, Eduardo F. |
Departamento | Universidad de Sevilla. Departamento de Ingeniería de Sistemas y Automática |
Fecha de publicación | 2006 |
Fecha de depósito | 2020-04-17 |
Publicado en |
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ISBN/ISSN | 9783902661074 1474-6670 |
Resumen | This paper presents a methodology to introduce the control of dead-time processes using a simple and intuitive predictive approach. A trivial solutionfor the control of a process with a dead-time is first proposed. From ... This paper presents a methodology to introduce the control of dead-time processes using a simple and intuitive predictive approach. A trivial solutionfor the control of a process with a dead-time is first proposed. From this strategythe idea of the predictor based controller is derived. Open-loop predictors andclosed-loop ones are then used to analyze the obtained solution. A simple tuningof the proposed structure for a first order plus dead-time process together with apolynomial approximation of the dead-time allows to derive apidcontroller. Thus,the approach based on the idea of prediction can be used to interpret the use of apidto control a dead-time process. It is illustrated how the performance of thepidcontroller is limited by the modelling error introduced in the approximation. Thepresented approach gives a measurement of the achievable performance. Severalsimulation examples illustrate the results. |
Identificador del proyecto | DPI 2005-04568 |
Cita | Normey Rico, J.E., Alamo, T. y Camacho, E.F. (2006). A Prediction approach to introduce dead-time process control in a basic control course. En IFAC Symposium on Advances in Control Education (211-216), Madrid, España: Elsevier. |
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