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Silva, RN, L. M. Rato, J. M. Lemos, and F. Coito. "Cascade control of a distributed collector solar field." Journal of Process Control. 7 (1997): 111-117. Abstract
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SCUTARU, G., F. SANDU, E. COCORADA, M. PAVALACHE, D. KRISTALY, L. Gomes, F. Coito, A. K. MÖRSKY-LINDQUIST, S. CSEREY, M. DASCĂLU, and others EDUCATIONAL REPORT., 2010. Abstract

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SCUTARU, G., F. SANDU, E. COCORADA, M. PAVALACHE, D. KRISTALY, L. Gomes, F. Coito, A. K. MÖRSKY-LINDQUIST, S. CSEREY, M. DASCĂLU, and others RELAZIONE SUGLI ASPETTI FORMATIVI. IDENTITY; 229930-CP-1-2006-1-RO-MINERVA-M, 2010. Abstract

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SCUTARU, G., F. SANDU, E. COCORADA, M. PAVALACHE, L. Gomes, F. Coito, A. K. MÖRSKY-LINDQUIST, S. CSEREY, M. DASCĂLU, V. NEUNDORF, and others RAPORT EDUCATIONAL., 2010. Abstract

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SCUTARU, G., F. SANDU, E. COCORADA, M. PAVALACHE, L. Gomes, F. Coito, A. K. MÖRSKY-LINDQUIST, D. TALABA, V. NEUNDORF, V. FEDAK, and others Konsoliderad rapport ang{\aa}ende användning av VR och fjärrexperiment i utbildning., 2007. Abstract

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SCUTARU, G., F. SANDU, E. COCORADA, M. PAVALACHE, D. KRISTALY, L. Gomes, F. Coito, A. K. MÖRSKY-LINDQUIST, S. CSEREY, M. DASCĂLU, and others RELATÓRIO EDUCATIVO. IDENTITY; 229930-CP-1-2006-1-RO-MINERVA-M, 2010. Abstract

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SCUTARU, G., F. SANDU, E. COCORADA, M. PAVALACHE, L. Gomes, F. Coito, A. K. MÖRSKY-LINDQUIST, D. TALABA, V. NEUNDORF, V. FEDAK, and others Relatório de consolidação relativo à utilização de realidade virtual e de experimentação remota em educação. IDENTITY; 229930-CP-1-2006-1-RO-MINERVA-M, 2007. Abstract

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Santos, TO, RB Caetano, J. M. Lemos, and FJ Coito. "Multipredictive adaptive control of arc welding trailing centerline temperature." Control Systems Technology, IEEE Transactions on. 8 (2000): 159-169. Abstract
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Santos, TO, RB Caetano, J. M. Lemos, and FJ Coito. "Adaptive Regulation of Arc Welding Temperature with Parallel Integral Action." (2000). Abstract
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Rato, L., RN Silva, J. M. Lemos, and F. Coito. "Multirate MUSMAR cascade control of a distributed solar field." Proc. of the European Control Conference ECC97. Brussels, Belgium (1997). Abstract
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Pinheiro-Pita, HJ, F. Coito, A. Steiger-Garção, R. Gonçalves, and L. Palma. "O projecto OCTOPUS: Modelo da Arquitectura de Software." Jornadas de Engenharia de Telecomunicações e Computadores – JETC99. 1999. Abstract

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Pereira, P., M. Fino, F. Coito, and M. Ventim-Neves. "GADISI–Genetic Algorithms Applied to the Automatic Design of Integrated Spiral Inductors." Emerging Trends in Technological Innovation (2010): 515-522. Abstract
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Pereira, P., A. Sallem, M. Fakhfakh, M. H. Fino, and F. Coito. "A Technology-Aware Optimization of RF Integrated Inductors." (2012). Abstract
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Pereira, P., F. Coito, and H. Fino. "PSO-Based Design of RF Integrated Inductor." Technological Innovation for Value Creation (2012): 475-482. Abstract
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Pereira, P., M. H. Fino, and F. V. Coito. "Using discrete-variable optimization for CMOS spiral inductor design." Microelectronics (ICM), 2009 International Conference on. IEEE, 2009. 324-327. Abstract
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Pereira, P., H. Fino, F. Coito, and M. Ventim-Neves. "Optimization-Based Design of Nano-CMOS LC-VCOs." Technological Innovation for Value Creation (2012): 453-464. Abstract
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Pereira, P., H. Fino, F. Coito, and M. Ventim-Neves. "ADISI-An efficient tool for the automatic design of integrated spiral inductors." Electronics, Circuits, and Systems, 2009. ICECS 2009. 16th IEEE International Conference on. IEEE, 2009. 799-802. Abstract
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Pereira, P., M. Helena Fino, F. Coito, and M. Ventim-Neves. "RF integrated inductor modeling and its application to optimization-based design." Analog Integrated Circuits and Signal Processing (2011): 1-9. Abstract
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Palma, L., F. Coito, and R. Neves-Silva. "Neural Observer-Based Approach to Fault Diagnosis applied to a Liquid Level System." (2003). Abstract
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Palma, L. B., and F. V. Coito. "Tuning PCA controllers based on manual control data." Emerging Technologies & Factory Automation (ETFA), 2011 IEEE 16th Conference on. IEEE, 2011. 1-4. Abstract
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Palma, L. B., P. S. Gil, F. V. Coito, and H. Duarte-Ramos. "Dealing with Complexity in Supervision Systems." (2008). Abstract
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Palma, L. B., F. Coito, and R. Neves-Silva. "A combined approach to fault diagnosis in dynamic systems." (2004). Abstract
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Palma, L. B., F. Coito, and R. Neves-Silva. "Sensor fault diagnosis based on neural observers and parameter estimation–application to the three-tank benchmark." VI Portuguese Conf. on Automatic Control, Faro. Indexed at ISI Web of Science (2004). Abstract
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Palma, L. B., F. V. Coito, and RN Silva. "Fault diagnosis based on black-box models with application to a liquid-level system." Emerging Technologies and Factory Automation, 2003. Proceedings. ETFA'03. IEEE Conference. Vol. 2. IEEE, 2003. 739-746. Abstract
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Palma, L. B., and F. V. Coito. "MODELING AND HYBRID CONTROL OF A NONLINEAR DC SERVOMOTOR." 4th Portuguese COnference on Automatic Control - Controlo 2000. SPCA, 2000. Abstract

A nonlinear DC servomotor model with friction, saturation, backlash and motor starting voltage is presented in this paper. Traditionally the position of a servo is controlled with a PD-controller. In the presence of disturbance, PID control results with overshoot and long recovery time. In simulations, the integral time of the controller is modified to fasten the recovery time. To control the position of the servomotor is proposed a Hybrid Control Architecture using a nonlinear PID controller and a Fuzzy PID controller. Simulation results with the Hybrid Controller are presented.