The GINSENG project develops performance-controlled wireless sensor networks that can be used for... more The GINSENG project develops performance-controlled wireless sensor networks that can be used for time-critical applications in hostile environments such as industrial plant automation and control. GINSENG aims at integrating wireless sensor networks with existing enterprise resource management solutions using a middleware. A cornerstone is the evaluation in a challenging industrial environment - an oil refinery in Portugal. In this paper we first present our testbed. Then we introduce our solution to access, debug and flash the sensor nodes remotely from an operations room in the plant or from any location with internet access. We further present our experimental methodology and show some exemplary results from the refinery testbed.
Page 1. FUZZY SUPERVISOR AND FEEDFORWARD CONTROL OF A SOLAR POWER PLANT USING ACCESSIBLE DISTURBA... more Page 1. FUZZY SUPERVISOR AND FEEDFORWARD CONTROL OF A SOLAR POWER PLANT USING ACCESSIBLE DISTURBANCES Alberto Cardoso, Jorge Henriques and António Dourado CISUC - Centro de Informática ...
This work proposes an indirect adaptive nonlinear control scheme based on a recurrent neural netw... more This work proposes an indirect adaptive nonlinear control scheme based on a recurrent neural network and the output regulation theory.The neural model is first trained off-line, being further improved by means of an on-line learning strategy using the Lyapunov and nonlinear observation theories.The regulation problem is solved by an iterative strategy, formulated as an eigenvalue assignment problem, ensuring the convergence
Page 1. * Email: alberto@dei.uc.pt , **Email: dourado@dei.uc.pt Robust Model-Based Fault Tolerant... more Page 1. * Email: alberto@dei.uc.pt , **Email: dourado@dei.uc.pt Robust Model-Based Fault Tolerant Control of a Mobile Structure - Application to an Inverted Pendulum Alberto Cardoso* and António Dourado** CISUC-Centro ...
Solar power plants are characterised by the fact that the primary energy source, the solar radiat... more Solar power plants are characterised by the fact that the primary energy source, the solar radiation, varies throughout the day causing changes in plant dynamics which leads to distinct several main operating points. Therefore it is difficult to obtain an acceptable performance over the total operating range with a fixed controller. This paper presents the investigation of a fuzzy switching
The GINSENG project develops performance-controlled wireless sensor networks that can be used for... more The GINSENG project develops performance-controlled wireless sensor networks that can be used for time-critical applications in hostile environments such as industrial plant automation and control. GINSENG aims at integrating wireless sensor networks with existing enterprise resource management solutions using a middleware. A cornerstone is the evaluation in a challenging industrial environment - an oil refinery in Portugal. In this paper we first present our testbed. Then we introduce our solution to access, debug and flash the sensor nodes remotely from an operations room in the plant or from any location with internet access. We further present our experimental methodology and show some exemplary results from the refinery testbed.
Page 1. FUZZY SUPERVISOR AND FEEDFORWARD CONTROL OF A SOLAR POWER PLANT USING ACCESSIBLE DISTURBA... more Page 1. FUZZY SUPERVISOR AND FEEDFORWARD CONTROL OF A SOLAR POWER PLANT USING ACCESSIBLE DISTURBANCES Alberto Cardoso, Jorge Henriques and António Dourado CISUC - Centro de Informática ...
This work proposes an indirect adaptive nonlinear control scheme based on a recurrent neural netw... more This work proposes an indirect adaptive nonlinear control scheme based on a recurrent neural network and the output regulation theory.The neural model is first trained off-line, being further improved by means of an on-line learning strategy using the Lyapunov and nonlinear observation theories.The regulation problem is solved by an iterative strategy, formulated as an eigenvalue assignment problem, ensuring the convergence
Page 1. * Email: alberto@dei.uc.pt , **Email: dourado@dei.uc.pt Robust Model-Based Fault Tolerant... more Page 1. * Email: alberto@dei.uc.pt , **Email: dourado@dei.uc.pt Robust Model-Based Fault Tolerant Control of a Mobile Structure - Application to an Inverted Pendulum Alberto Cardoso* and António Dourado** CISUC-Centro ...
Solar power plants are characterised by the fact that the primary energy source, the solar radiat... more Solar power plants are characterised by the fact that the primary energy source, the solar radiation, varies throughout the day causing changes in plant dynamics which leads to distinct several main operating points. Therefore it is difficult to obtain an acceptable performance over the total operating range with a fixed controller. This paper presents the investigation of a fuzzy switching
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