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Browsing by UPV Unit "Universitat Politècnica de València. Departamento de Ingeniería de Sistemas y Automática - Departament d'Enginyeria de Sistemes i Automàtica"

Now showing items 1-20 of 758

"Diseño y desarrollo de controles de robots mediante métodos numéricos basados en teoría de álgebra lineal. Aplicación a robots moviles

Mora Carrión, Sergio (2018-09-07)

[ES]En los últimos años el control de robots en general y la navegación de robots móviles en particular es un área de interés para investigadores y desarrolladores industriales. De esta forma, si se aborda el control ...
4-Dimensional deformation part model for pose estimation using Kalman filter constraints

Martínez Bertí, Enrique; Sánchez Salmerón, Antonio José; Ricolfe Viala, Carlos (SAGE Publications, 2017)

[EN] The goal of this research work is to improve the accuracy of human pose estimation using the deformation part model without increasing computational complexity. First, the proposed method seeks to improve pose estimation ...
[Book Review] H.K. Lam and F.H.F. Leung (2011) Stability Analysis of Fuzzy-Model-Based Control Systems: Linear-Matrix-Inequality Approach, Springer

Sala, Antonio (Elsevier, 2013-08-16)

This is a book review of Stability Analysis of Fuzzy-Model-Based Control Systems, H.K. Lam, F.H.F. Leung. Springer (2011), ISBN: 978-3642178436
A 3-PRS parallel manipulator for ankle rehabilitation: towards a low-cost robotic rehabilitation

Vallés Miquel, Marina; Cazalilla, J.; Valera Fernández, Ángel; Mata Amela, Vicente; Page Del Pozo, Alvaro Felipe; Díaz Rodríguez, Miguel Ángel (Cambridge University Press, 2015-03-13)

This paper presents the design, kinematics, dynamics and control of a low-cost parallel rehabilitation robot developed at the Universitat Polit`ecnica de Valencia. Several position and force controllers have been tested ...
A car-seat example of automated anthropomorphic testing of fabrics using force-controlled robot motions

Valera Fernández, Ángel; Benimeli Andreu, Francisco Javier; Solaz Sanahuja, José Salvador; De Rosario Martínez, Helios; Robertsson, Anders; Nilsson ., Klass; Zotovic Stanisic, Ranko; Mellado Arteche, Martín (Institute of Electrical and Electronics Engineers (IEEE), 2011-04)

For the last years, automation is widely used to relieve humans from repetitive tasks, primarily and firstly within manufacturing. However, for products with less ideal (or hard to model) properties, and when forces depends ...
A comparative study of codification techniques for clustering heart disease database

Barceló Rico, Fátima; Diez Ruano, José Luís; Bondía Company, Jorge (Elsevier, 2011-01)

[EN] This paper compares various proposals for codifying categorical attributes in a heart disease database so that numerical clustering algorithms can be applied to them. An approach for the codification of categorical ...
A delay-dependent dual-rate PID controller over an ethernet network

Cuenca Lacruz, Ángel Miguel; Salt Llobregat, Julián José; Sala Piqueras, Antonio; Pizá Fernández, Ricardo (Institute of Electrical and Electronics Engineers (IEEE), 2011-02)

n this paper, a methodology to design controllers able to cope with different load conditions on an Ethernet network is introduced. Load conditions induce time-varying delays between measurements and control. To face these ...
A Discrete Approach for Pairwise Matching of Archaeological Fragments

Vendrell Vidal, Eduardo; Sánchez Belenguer, Carlos (Association for Computing Machinery (ACM), 2014-04)

This article addresses the problem of automatic reconstruction of ancient artifacts from archaeological fragments. The technique described here focuses on pairwise matching of flat fragments (typically fresco fragments), ...
A family of seventh-order schemes for solving nonlinear systems

Abad Rodríguez, Manuel Francisco; Cordero Barbero, Alicia; Torregrosa Sánchez, Juan Ramón (Société des Sciences Mathématiques de Roumanie, 2014)

[EN] This paper focuses on solving nonlinear systems numerically. We propose an efficient family of three-step iterative schemes with seventh-order of convergence. The proposed methods are obtained by using the weight ...
A flexible packaging station for micro-bulk-forming applications based on a standard carrier

Sánchez Salmerón, Antonio José; Ricolfe Viala, Carlos (Springer Verlag (Germany), 2012-07)

Machine material handling is complicated in micromanufacturing since standards are not applied and existing handling systems are not flexible. Usually, machine handling systems are highly dependent of microcomponent ...
A generalized smith predictor for unstable time-delay SISO systems

Sanz Díaz, Ricardo; García Gil, Pedro José; Albertos Pérez, Pedro (Elsevier, 2017)

[EN] In this work, a generalization of the Smith Predictor (SP) is proposed to control linear time-invariant (LTI) time-delay single-input single-output (SISO) systems. Similarly to the SP, the combination of any stabilizing ...
A Hadamard product involving inverse-positive matrices

Gasso Matoses, María Teresa; Torregrosa Sánchez, Juan Ramón; Abad Rodríguez, Manuel Francisco (De Gruyter Open, 2015-08-05)

In this paperwe study the Hadamard product of inverse-positive matrices.We observe that this class of matrices is not closed under the Hadamard product, but we show that for a particular sign pattern of the inverse-positive ...
A hybrid approach based on genetic algorithms to solve the problem of cutting structural beams in a metalwork company

Gracia Calandin, Carlos Pablo; Andrés Romano, Carlos; Gracia Calandin, Luis Ignacio (Springer Verlag (Germany), 2013-04)

This work presents a hybrid approach based on the use of genetic algorithms to solve efficiently the problem of cutting structural beams arising in a local metalwork company. The problem belongs to the class of one-dimensional ...
A modular neural network scheme applied to fault diagnosis in electric power systems

Flores, Agustin; Quiles Cucarella, Eduardo; García Moreno, Emilio; Morant Anglada, Francisco José; Correcher Salvador, Antonio (Hindawi Publishing Corporation, 2014-08-25)

This work proposes a new method for fault diagnosis in electric power systems based on neural modules. With this method the diagnosis is performed by assigning a neural module for each type of component comprising the ...
A multiple local models approach to accuracy improvement in continuous glucose monitoring.

Barceló Rico, Fátima; Bondía Company, Jorge; Diez Ruano, José Luís; Rossetti ., Paolo (Mary Ann Liebert, 2012)

[EN] Background: Continuous glucose monitoring (CGM) devices estimate plasma glucose (PG) from measurements in compartments alternative to blood. The accuracy of currently available CGM is yet unsatisfactory and may depend ...
A Multirate Control Strategy to the Slow Sensors Problem: An Interactive Simulation Tool for Controller Assisted Design

Salt Llobregat, Julián José; Cuenca Lacruz, Ángel Miguel; Palau, Francisco; Dormido, Sebastian (MDPI, 2014-03)

[EN] In many control applications, the sensor technology used for the measurement of the variable to be controlled is not able to maintain a restricted sampling period. In this context, the assumption of regular and uniform ...
A new algorithm for dual-rate systems frequency response computation in discrete control systems

Salt Llobregat, Julián José; Sala Piqueras, Antonio (Elsevier, 2014-12-01)

This paper addresses an easy computation of the multiple components of the response to a sinusoidal input of a dual-rate linear time-invariant discrete system from the Bode diagram of LTI systems arising from a lifted ...
A non-uniform multi-rate control strategy for a Markov chain-driven Networked Control System

Cuenca Lacruz, Ángel Miguel; Ojha, Unnati; Salt Llobregat, Julián José; Chow, Mo-Yuen (Elsevier, 2015-05-10)

[EN] In this work, a non-uniform multi-rate control strategy is applied to a kind of Networked Control System (NCS) where a wireless path tracking control for an Unmanned Ground Vehicle (UGV) is carried out. The main aims ...
A non-uniform predictor-observer for a networked control system

Cuenca Lacruz, Ángel Miguel; García Gil, Pedro José; Albertos Pérez, Pedro; Salt Llobregat, Julián José (Springer Verlag (Germany), 2011-12)

This paper presents a Non-Uniform Predictor-Observer (NUPO) based control approach in order to deal with two of the main problems related to Networked Control Systems (NCS) or Sensor Networks (SN): time-varying delays and ...
A path conditioning method with trap avoidance

Gracia Calandin, Luis Ignacio; Sala, Antonio; Garelli, Fabricio (Elsevier, 2012-06)

This work presents a sliding-mode method for robotic path conditioning. The proposal includes a trap avoidance algorithm in order to escape from trap situations, which are analogous to local minima in potential field-based ...