Persona: Díaz Martínez, José Manuel
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Díaz Martínez
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José Manuel
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Publicación About Identification of Mathematical Models for High Speed Crafts(Automation for the Maritime Industries, 2004-01-01) Dormido Bencomo, Sebastián; Muñoz Mansilla, María del Rocío; Aranda Almansa, Joaquín; Díaz Martínez, José Manuel; Dormido Canto, SebastiánPublicación Comparison of H∞ with QFT applied to an Altitude Command Tracker for an UAV(European Control Conference 2007, July 2-5, 2007, Kos, Greece, 2007-11-29) López, J.; Gómez, J. P.; Dormido Bencomo, Sebastián; Dormido Canto, Raquel; Díaz Martínez, José ManuelPublicación QFT Robust Control Design by Interactive Approach(44th IEEE Conference on Decision and Control, and the European Control Conference 2005 Seville, Spain, December 12-15, 2005, 2005-12-12) Dormido Bencomo, Sebastián; Díaz Martínez, José Manuel; Aranda Almansa, JoaquínPublicación Interactive computer-aided control design using quantitative feedback theory: the problem of vertical movement stabilization on a high-speed ferry(Taylor and Francis, 2005-07-20) Dormido Bencomo, Sebastián; Díaz Martínez, José Manuel; Aranda Almansa, JoaquínIn a first approximation, the vertical acceleration associated with pitch motion can be considered as the main cause of motion sickness, which is without a doubt one of the most unpleasant disadvantages of maritime transport. The reduction of motion sickness can be stated as a monovariable regulation problem of a highly perturbed system. This work presents the design of a monovariable robust controller with quantitative feedback theory (QFT) for reducing the vertical movement on a high-speed ferry. The different stages of QFT methodology have been done with the help of the software tool QFTIT (Quantitative Feedback Theory Interactive Tool). This is a free software tool that is characterized by its ease of use and interactive nature. The designed regulator is validated experimentally in sea behaviour trials with a scaled down replica 1/25 the size of a high-speed ferry. The designed regulator is also compared with a gain-scheduling scheme using a proportional and derivative controller (PD).Publicación AN INTERACTIVE SOFTWARE TOOL TO LEARN ROBUST CONTROL DESIGN USING THE QFT METHODOLOGY(2007-01-01) Dormido Bencomo, Sebastián; Díaz Martínez, José Manuel; Aranda Almansa, JoaquínPublicación An analysisof models identification methods for high speed crafts(Journal of Maritime Research, 2005-01-01) Dormido Bencomo, Sebastián; Aranda Almansa, Joaquín; Muñoz Mansilla, María del Rocío; Dormido Canto, Sebastián; Díaz Martínez, José ManuelTwo different approaches of the system identification method have been proposed in order to estimate models for heave, pitch and roll dynamics of a high speed craft. Both of them resolve the identification subject as an optimization problem to fit the best model. The first approach uses genetic algorithms and nonlinear least squares with constraints methods applied in the frequency domain. The second one suggests a new parameterization which facilitates obtaining high quality starting values and avoids non-quadratic functions in the cost function. At last it is shown an example in which the two approximations are applied and compared.Publicación INTERACTIVE EDUCATIONAL ENVIRONMENT FOR DESIGN BY QFT METHODOLOGY(2001-01-01) Dormido Bencomo, Sebastián; Aranda Almansa, Joaquín; Díaz Martínez, José Manuel; Dormido Canto, SebastiánPublicación Interactive software tools for robust control: application to marine systems(Robotics and Automation in the Maritime Industries, 2006-01-01) Dormido Bencomo, Sebastián; Díaz Martínez, José Manuel; Aranda Almansa, Joaquín; Dormido Canto, Sebastián; Muñoz Mansilla, María del Rocío; Chaos García, Dictino