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alvaro.hernandez

2012
Á. Hernández, et al., “Particle filter for merging internal and external positioning information in mobile robot navigation”, in 2012 International IEEE Intelligent Vehicles Symposium (IV 2012), 2012, p. 1-6. Abstract  Download: iv2012-odomus-dani_in-proceedings_publicoweb.pdf (518.19 KB)
J. Aparicio, C. Diego, Á. Hernández, A. Jiménez, and S. Holm, “Effect of CDMA techniques with Kasami codes on ultrasound-image quality parameters”, in 2012 IEEE International Instrumentation and Measurement Technology Conference (I2MTC 2012), Graz (Austria), 2012, p. 1833-1837.
J. Ureña, C. Diego, R. Escudero, Á. Hernández, M. C. del Pérez, and J. M. Villadangos, “Local Maximum Detection for Active Sensory Systems based on Encoding and Correlation Techniques”, in 2012 IEEE International Instrumentation and Measurement Technology Conference (I2MTC 2012), 2012, p. 1697-1702.
Á. Hernández, et al., “FPGA-Based Track Circuit for Railways Using Transmission Encoding”, IEEE Transactions on Intelligent Transportation Systems, vol. 13, no. 2, p. 437-448, 2012.
2011
F. Espinosa, et al., “FPGA-based Track Circuit for Railways using Transmission Encoding”, IEEE Transactions on Intelligent Transportation Systems, vol. 99, p. 1-12, 2011.
A. Jiménez, J. J. García, M. C. del Pérez, J. Ureña, Á. Hernández, and C. D. Marzziani, “Optimized correlator for ls codes-based CDMA systems”, IEEE Communications Letters , vol. 15, no. 2, p. 223-225, 2011.
C. Diego, Á. Hernández, A. Jiménez, F. J. Álvarez, R. Sanz, and J. Aparicio, “Ultrasonic Array for Obstacle Detection Based on CDMA with Kasami Codes”, Sensors, vol. 11, no. 12, p. 11464 - 11475, 2011. Abstract
F. D. Ruiz, J. Ureña, J. C. Garcia, A. Jiménez, Á. Hernández, and J. J. García, “LPS Auto-Calibration Algorithm with Predetermination of Optimal Zones”, Sensors, vol. 11, no. 11, p. 10398 - 10414, 2011. Abstract
J. M. Villadangos, et al., “Measuring Time-of-Flight in an Ultrasonic LPS System Using Generalized Cross-Correlation”, Sensors, vol. 11, no. 11, p. 10326 - 10342, 2011. Abstract
C. Diego, et al., “Reflector detection with ultrasonic array based on encoded transmission”, in 2011 International Conference on Indoor Positioning and Indoor Navigation (IPIN 2011), Guimaraes (Portugal), 2011, p. 1-4.
C. Diego, Á. Hernández, A. Jiménez, F. J. Álvarez, R. Sanz, and J. Aparicio, “Análisis de un array sensorial ultrasónico piezopolimérico para la detección de obstáculos”, in XVIII Seminario Anual de Automática, Electrónica Industrial e Instrumentación (SAAEI 2011), Badajoz (Spain), 2011, p. 873-878.
R. Escudero, M. C. del Pérez, Á. Hernández, J. Ureña, and J. Aparicio, “Detección de máximos locales en sistemas sensoriales activos basados en correlación”, in XVIII Seminario Anual de Automática, Electrónica Industrial e Instrumentación (SAAEI 2011), Badajoz (Spain), 2011, p. 903-908.
C. D. Marzziani, et al., “Protocolo de comunicación de datos acústico para sistema de posicionamiento relativo”, in XVIII Seminario Anual de Automática, Electrónica Industrial e Instrumentación (SAAEI 2011), Badajoz (Spain), 2011, p. 855-860.
Á. Hernández, et al., “FPGA-based Track Circuit for Railways using Transmission Encoding”, IEEE Transactions on Intelligent Transportation Systems, vol. 99, no. 1, p. 1-12, 2011.
C. D. Marzziani, et al., “A low cost reconfigurable sensor network for coastal monitoring”, in IEEE OCEANS 2011 Conference and Exhibition, Santander (Spain), 2011, p. 1-6.
J. Ureña, D. Ruiz, J. C. Garcia, J. J. García, Á. Hernández, and M. C. del Pérez, “LPS self-calibration method using a mobile robot”, in 2011 IEEE International Instrumentation and Measurement Technology Conference (I2MTC 2011), Hangzhou (Chine), 2011, p. 1-6.
C. D. Marzziani, et al., “Recursive algorithm to directly obtain the sum of correlations in a CSS”, Signal Processing, vol. 91, no. 5, p. 1343 - 1346, 2011. Abstract
M. C. del Pérez, C. D. Marzziani, A. Jiménez, J. Ureña, Á. Hernández, and J. J. García, “Optimized correlator for ls codes-based CDMA systems”, IEEE Communications Letters , vol. 15, no. 2, p. 223-225, 2011.
2010
E. Garcı́a, J. J. Garcia, J. Ureña, M. C. del Pérez, and Á. Hernández, “Generation algorithm for multilevel LS codes”, Electronics Letters, vol. 46, no. 21, p. 1465, 2010.
M. C. del Pérez, J. Ureña, C. D. Marzziani, Á. Hernández, J. J. Garcia, and F. J. Álvarez, “Very efficient correlator for loosely synchronised codes”, Electronics Letters, vol. 46, no. 16, p. 1127, 2010.
J. J. Garcia, et al., “Efficient Multisensory Barrier for Obstacle Detection on Railways”, IEEE Transactions on Intelligent Transportation Systems, vol. 11, no. 3, p. 702 - 713, 2010.
Á. Hernández, M. C. del Pérez, J. M. Villadangos, A. Jiménez, C. Diego, and R. Trejo, “Ultrasonic LPS: architecture, signal processing, positioning and implementation.”, in 2010 IEEE International Symposium on Industrial Electronics (ISIE 2010)., 2010, p. 430-431.
J. J. Garcia, et al., “Sensory system for obstacle detection on high-speed lines”, Transportation Research Part C: Emerging Technologies, vol. 18, no. 4, p. 536 - 553, 2010.
F. J. Álvarez, et al., “Accurate 3D localization of reflectors with an EMFi sensor array.”, in 2010 IEEE International Symposium on Industrial Electronics (ISIE 2010)., 2010, p. 2823-2827.
C. Diego, et al., “Bearing estimation algorithm based on spectral analysis of the ultrasonic received echoes”, in 2010 IEEE International Symposium on Industrial Electronics (ISIE 2010)., 2010, p. 1-4.
V. Sáez, et al., “FPGA implementation of grid synchronization algorithms based on DSC, DSOGI_QSG and PLL for distributed power generation systems.”, in 2010 IEEE International Symposium on Industrial Electronics (ISIE 2010)., 2010, p. 2765-2770.
C. Diego, I. Gude, A. Jiménez, Á. Hernández, and J. Aparicio, “Localización de reflectores puntuales mediante el análisis espectral del eco ultrasónico”, in XVII Seminario Anual de Automática, Electrónica Industrial e Instrumentación (SAAEI 2010)., 2010, p. 389-394.
D. Ruiz, J. Ureña, J. C. Garcia, Á. Hernández, E. García, and J. Aparicio, “Posicionamiento de un robot móvil y autocalibración de un LPS simultánea en espacios inteligentes.”, in XVII Seminario Anual de Automática, Electrónica Industrial e Instrumentación (SAAEI 2010)., 2010, p. 130-135.
A. Felipe, et al., “Simulador de circuito de vía para la detección bidireccional de la presencia de tren.”, in XVII Seminario Anual de Automática, Electrónica Industrial e Instrumentación (SAAEI 2010)., 2010, p. 823-828.
D. Ruiz, J. Ureña, J. C. Garcia, Á. Hernández, E. García, and J. Aparicio, “Simultaneous mobile robot positioning and LPS self-calibration in a smart space.”, in 2010 IEEE International Symposium on Industrial Electronics (ISIE 2010)., 2010, p. 2865-2870.
I. Gude, A. Jiménez, Á. Hernández, D. Ruiz, C. Diego, and J. Aparicio, “Sistema sensorial ultrasónico basado en EMFi para localización de reflectores.”, in XVII Seminario Anual de Automática, Electrónica Industrial e Instrumentación (SAAEI 2010)., 2010, p. 559-564.
2009
C. D. Marzziani, et al., “Acoustic Sensor Network for Relative Positioning of Nodes”, Sensors, vol. 9, no. 11, p. 8490 - 8507, 2009. Abstract
J. J. Garcia, et al., “Sensory system for obstacle detection on high-speed lines”, Transportation Research Part C: Emerging Technologies, vol. On-line, p. 1-18, 2009. Abstract
Á. Hernández, et al., “Advanced adaptive sonar for mapping applications.”, Journal of Intelligent & Robotic Systems., vol. 55, p. 81-106, 2009.
A. Jimenez, et al., “Aqueous-liquids Characterization Based on Encoded Ultrasonic Signals”, in 6th IEEE International Symposium on Intelligent Signal Processing (WISP 2009), 2009, p. 99-104.
M. C. del Perez, J. Ureña, Á. Hernández, A. Jimenez, and C. D. Marzziani, “Efficient Generation and Correlation of Sequence Pairs With Three Zero-Correlation Zones”, IEEE Transactions on Signal Processing, vol. 57, no. 9, p. 3450 - 3465, 2009. Abstract
M. C. del Pérez, et al., “Efficient hardware implementation for detecting CSS-based Loosely Synchronous codes in a Local Positioning System”, in 2009 IEEE Conference on Emerging Technologies & Factory Automation (ETFA 2009), 2009, p. 1-4.
F. J. Álvarez, et al., “Encoding Ultrasonic Signals with Kasami Sequences to perform Spectrum-based Localization”, in 6th IEEE International Symposium on Intelligent Signal Processing (WISP 2009), 2009, p. 49-54.
Á. Hernández, et al., “Implementation of a Transmission Encoding System for a Track Circuit”, in 2009 IEEE Conference on Emerging Technologies & Factory Automation (ETFA 2009), 2009, p. 1-4.
M. C. del Pérez, et al., “Performance Comparison of Different Codes in an Ultrasonic Positioning System using DS-CDMA”, in 6th IEEE International Symposium on Intelligent Signal Processing (WISP 2009), 2009, p. 125-130.
A. Ochoa, J. Ureña, Á. Hernández, M. Mazo, J. A. Jimenez, and M. C. del Perez, “Ultrasonic Multitransducer System for Classification and 3-D Location of Reflectors Based on PCA”, IEEE Transactions on Instrumentation and Measurement, vol. 58, no. 9, p. 3031 - 3041, 2009. Abstract
E. García, et al., “Ultrasonic Positioning System by using UWB techniques”, in 2009 IEEE Conference on Emerging Technologies & Factory Automation (ETFA 2009), 2009, p. 1-4.
A. Gardel, I. Bravo, J. L. Lazaro, J. Baliñas, and Á. Hernández, “Verification of FPGA Internal Resources”, in 6th IEEE International Symposium on Intelligent Signal Processing (WISP 2009), 2009, p. 137-142.
C. D. Marzziani, et al., “Relative Localization and Mapping combining Multidimensional Scaling and Levenberg-Marquardt optimization”, in 6th IEEE International Symposium on Intelligent Signal Processing (WISP 2009), 2009, p. 43-48.
F. J. Rodriguez, C. Girón, E. Bueno, and Á. Hernández, “Remote Laboratory of experimentation with multilevel power converters”, IEEE Transactions on Industrial Electrónics , vol. 56, p. 2450 - 2463 , 2009.
Á. Hernández, et al., “Estimating bearing angles by encoding ultrasonic transmissions at different frequencies”, in 2009 IEEE International Instrumentation and Measurement Technology Conference (I2MTC 2009), 2009, p. 1429-1433.
D. Ruiz, et al., “Data processing for the calibration of an acoustic local position system”, in IEEE International Instrumentation and Measurement Technology Conference (I2MTC 2008), 2009, p. 2085-2090.
E. Bueno, Á. Hernández, F. J. Rodríguez, C. Girón, R. Mateos, and S. Cobreces, “A DSP- and FPGA-based industrial control with high-speed communication interfaces for grid converters applied to distributed power generation systems”, IEEE Trans. on Industrial Electronics., vol. 56, no. 3, p. 654-669, 2009.
M. C. del Perez, “Generación y correlación eficiente de códigos binarios derivados de conjuntos de secuencias complementarias para sistemas ultrasónicos”, 2009. Abstract  Download: tesis_abstract_carmen_fuentes.pdf (10.59 MB); TesisMCarmenPerez-parte1.pdf (10.78 MB); TesisMCarmenPerez-parte2.pdf (9.75 MB)
J. J. García, J. Ureña, M. Mazo, and Á. Hernández, “IR Barrier Data Integration for Obstacle Detection”, in Sensor and data fusion, Vienna: , 2009, p. 71 - 88.

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