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ESTUDIOS DE I+D+I Número 51 Proyecto SIRAU. Servicio de gestión de información remota para las actividades de la vida diaria adaptable a usuario Autor/es: Catalá Mallofré, Andreu Filiación: Universidad Politécnica de Cataluña Contacto: Fecha: 2006 Para citar este documento: CATALÁ MALLOFRÉ, Andreu (Convocatoria 2006). “Proyecto SIRAU. Servicio de gestión de información remota para las actividades de la vida diaria adaptable a usuario”. Madrid. Estudios de I+D+I, nº 51. [Fecha de publicación: 03/05/2010]. <http://www.imsersomayores.csic.es/documentos/documentos/imserso-estudiosidi-51.pdf> Una iniciativa del IMSERSO y del CSIC © 2003 Portal Mayores http://www.imsersomayores.csic.es Resumen Este proyecto se enmarca dentro de una de las líneas de investigación del Centro de Estudios Tecnológicos para Personas con Dependencia (CETDP – UPC) de la Universidad Politécnica de Cataluña que se dedica a desarrollar soluciones tecnológicas para mejorar la calidad de vida de las personas con discapacidad. Se pretende aprovechar el gran avance que representan las nuevas tecnologías de identificación con radiofrecuencia (RFID), para su aplicación como sistema de apoyo a personas con déficit de distinta índole. En principio estaba pensado para personas con discapacidad visual, pero su uso es fácilmente extensible a personas con problemas de comprensión y memoria, o cualquier tipo de déficit cognitivo. La idea consiste en ofrecer la posibilidad de reconocer electrónicamente los objetos de la vida diaria, y que un sistema pueda presentar la información asociada mediante un canal verbal. Consta de un terminal portátil equipado con un trasmisor de corto alcance. Cuando el usuario acerca este terminal a un objeto o viceversa, lo identifica y ofrece información complementaria mediante un mensaje oral. Para ello los objetos han de estar debidamente etiquetados por el fabricante. Para facilitar la interacción (interfaz), se ha desarrollado un sistema de acceso a la memoria de todos los elementos de lectura de etiquetas inteligentes, ya sea de modo inalámbrico mediante Wifi, o por cable, mediante Ethernet, a un servidor remoto para obtener la información de una etiqueta concreta y el producto al que va asociado. Consecuentemente se ha desarrollado un sistema de etiquetaje inteligente de todos los productos. La tendencia del mercado es que se imponga un sistema de etiquetaje global. Este sistema en un futuro será una forma más de identificación como ahora puedan ser un número de serie o un código de barras. Con un servicio remoto se ofrece la posibilidad de que el fabricante (en el caso de medicamentos) o terceras personas autorizadas puedan modificar la información útil para el usuario acerca del producto etiquetado. Otro de los objetivos del proyecto es el de desarrollar un sistema de etiquetado único y homogéneo, con un único diseño, flexible y adaptable, partiendo de la identificación cuidadosa de los usuarios. Aunque se ha confeccionado un modelo provisional de usuario, queda pendiente una futura línea de investigación de corte etnográfico, en la que se tenga en cuenta la heterogeneidad sociodemográfica del colectivo de usuarios. Portal Mayores http://www.imsersomayores.csic.es INFORME FINAL SIRAU (Servicio de gestión de Información Remota para las Actividades de la vida diaria, adaptable a Usuario) (IMSERSO 103/06) COORDINADOR PROYECTO: Andreu Català Mallofré Proyecto SIRAU INDICE 1. Introducción .................................................................................................................................................. 1 2. Estado de la tecnología y futuro en RFID. ......................................................................................... 5 2.1 Introducción ........................................................................................................................................ 5 2.2 Análisis de las tecnologías ............................................................................................................. 7 2.3 Frecuencia de operación. ............................................................................................................... 8 2.4 La etiqueta. ......................................................................................................................................... 10 2.5 Estándares. ......................................................................................................................................... 14 2.5.1 Introducción. ............................................................................................................................ 14 2.5.1.1 EPC (Electronic Product Code) Global Clase I Gen2 ............................................... 17 2.6 Estándares. ......................................................................................................................................... 20 2.7 Conclusiones y perspectivas de futuro ................................................................................... 23 3. Texto a voz (TTS Text‐to‐Speech). ..................................................................................................... 25 3.1 Introducción ...................................................................................................................................... 25 3.2 Síntesis de voz ................................................................................................................................... 25 3.2.1 Visión general de la tecnología de síntesis de voz .................................................... 25 3.2.2 Historia ....................................................................................................................................... 26 3.2.3 Tecnologías de síntesis ........................................................................................................ 27 3.2.4 El front‐end .............................................................................................................................. 31 3.2.4.1 Normalización de texto ....................................................................................................... 3 1 3.2.4.2 Sistemas Texto a fonema .................................................................................................... 32 3.3 Sintetizadores de voz disponibles libremente .................................................................... 33 3.4 Sintetizadores de voz disponibles comercialmente .......................................................... 34 4. Proyecto SIRAU .......................................................................................................................................... 35 4.1 Introducción. ..................................................................................................................................... 35 4.2 Sistema ................................................................................................................................................. 35 4.3 Prototipo HF ...................................................................................................................................... 37 4.4 Prototipo UHF ................................................................................................................................... 39 4.5 Servicio proveedor de información. ........................................................................................ 41 4.5.1 Servidor Global ....................................................................................................................... 43 4.5.2 Servidor Local.......................................................................................................................... 43 4.5.3 Base de datos en el terminal ............................................................................................. 44 5. Informe de Usabilidad ............................................................................................................................. 45 5.1 Introducción ...................................................................................................................................... 45 5.2 Informe usabilidad .......................................................................................................................... 48 5.2.1 Introducción ............................................................................................................................. 48 5.2.2 Primera fase: determinación de perfiles de usuarios y análisis contextual de tarea 50 5.2.2.1 Perfiles de usuarios ............................................................................................................... 51 5.2.2.2 Determinación de principios para el diseño. .............................................................. 52 5.2.2.3 Requerimientos funcionales .............................................................................................. 54 5.2.2.3.1 Escalabilidad. ...................................................................................................................... 54 5.2.2.3.2 Ajuste a actividades. ......................................................................................................... 56 5.2.3 Segunda fase: Evaluación de la usabilidad integrada en el desarrollo ............ 56 5.2.3.1 Descripción prototipo SIRAU ............................................................................................ 56 Proyecto SIRAU 5.2.3.2 Test con usuarios ..................................................................................................................
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