{"id":18301,"date":"2025-03-06T12:30:30","date_gmt":"2025-03-06T11:30:30","guid":{"rendered":"https:\/\/www.car.upm-csic.es\/?page_id=18301"},"modified":"2025-03-08T15:17:20","modified_gmt":"2025-03-08T14:17:20","slug":"localizacion-y-exploracion-para-sistemas-inteligentes","status":"publish","type":"page","link":"https:\/\/www.car.upm-csic.es\/en\/localizacion-y-exploracion-para-sistemas-inteligentes\/","title":{"rendered":"LOCALIZATION AND EXPLORATION FOR INTELLIGENT SYSTEMS"},"content":{"rendered":"<p>[et_pb_section fb_built=\u00bb1&#8243; admin_label=\u00bbsection\u00bb _builder_version=\u00bb4.16&#8243; global_colors_info=\u00bb{}\u00bb][et_pb_row admin_label=\u00bbrow\u00bb _builder_version=\u00bb4.16&#8243; background_size=\u00bbinitial\u00bb background_position=\u00bbtop_left\u00bb background_repeat=\u00bbrepeat\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_column type=\u00bb4_4&#8243; _builder_version=\u00bb4.16&#8243; custom_padding=\u00bb|||\u00bb global_colors_info=\u00bb{}\u00bb custom_padding__hover=\u00bb|||\u00bb][et_pb_image src=\u00bbhttps:\/\/www.car.upm-csic.es\/wp-content\/uploads\/2025\/03\/LOPSI.png\u00bb title_text=\u00bbLOPSI\u00bb _builder_version=\u00bb4.27.0&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb][\/et_pb_image][et_pb_text admin_label=\u00bbText\u00bb _builder_version=\u00bb4.27.0&#8243; background_size=\u00bbinitial\u00bb background_position=\u00bbtop_left\u00bb background_repeat=\u00bbrepeat\u00bb hover_enabled=\u00bb0&#8243; global_colors_info=\u00bb{}\u00bb sticky_enabled=\u00bb0&#8243;]<\/p>\n<h1><span>LOCALIZACI\u00d3N Y EXPLORACI\u00d3N PARA SISTEMAS INTELIGENTES\u00a0<\/span><\/h1>\n<p>El trabajo de investigaci\u00f3n del grupo Lopsi se centra en los Sistemas de Posicionamiento Local (SPL), que son similares al GPS en funcionalidad pero los SPL deben operar en lugares donde el GPS no est\u00e1 disponible, como dentro de edificios y \u00e1reas dif\u00edciles al aire libre. La actividad de investigaci\u00f3n del grupo incluye estudios fundamentales como el procesamiento de se\u00f1ales, t\u00e9cnicas matem\u00e1ticas para el posicionamiento preciso, dise\u00f1o e implementaci\u00f3n de prototipos y, finalmente, el estudio de los servicios basados \u200b\u200ben la ubicaci\u00f3n (SBP) que pueden ofrecer estas tecnolog\u00edas omnipresentes a las personas.<\/p>\n<p>En la actualidad, Lopsi dise\u00f1a y realiza investigaciones en varios tipos de sistemas SPL:<\/p>\n<p>1) Localizaci\u00f3n de personas en \u00e1reas interiores con sensores RF e inerciales: Trabajamos en Sistemas de Posicionamiento Local (SPL) capaces de localizar, rastrear y guiar a personas en entornos interiores, donde los dispositivos GPS no est\u00e1n operativos. Lo hacemos combinando tecnolog\u00eda RF (como RFID o UWB) y unidades de medici\u00f3n inercial (IMU) montadas en el pie, con t\u00e9cnicas de estimaci\u00f3n de peatones (PDR) o estimaci\u00f3n de estado bayesiano. Las aplicaciones actuales de este sistema son el desarrollo de Sistemas de Asistencia a Personas o Servicios de Inteligencia Ambiental y de Localizaci\u00f3n adicionales. Fuimos galardonados con el primer premio en el concurso internacional EvAAL 2012.<\/p>\n<p>2) Posicionamiento 3D de alta precisi\u00f3n con tecnolog\u00eda ultras\u00f3nica: Utilizamos ultrasonidos para posicionamiento 3D de alta precisi\u00f3n en \u00e1reas peque\u00f1as, mediante t\u00e9cnicas de multilateraci\u00f3n con los tiempos de vuelo de se\u00f1ales ultras\u00f3nicas que se propagan desde un conjunto de balizas a un nodo m\u00f3vil. Para una estimaci\u00f3n precisa del alcance y la capacidad de m\u00faltiples transductores, las se\u00f1ales ultras\u00f3nicas se modulan digitalmente y se codifican con los c\u00f3digos ortogonales utilizados en los sistemas de comunicaci\u00f3n CDMA, traduciendo esencialmente el dise\u00f1o del GPS a un sistema ultras\u00f3nico. Nuestro prototipo de posicionamiento ultras\u00f3nico logra una precisi\u00f3n t\u00edpica de unos pocos cent\u00edmetros en un espacio de unos pocos metros c\u00fabicos. Esta tecnolog\u00eda es \u00fatil para aplicaciones rob\u00f3ticas e industriales, as\u00ed como en el desarrollo de ayudas personales para tareas de posicionamiento preciso.<\/p>\n<p>En el futuro, nuestra investigaci\u00f3n se centrar\u00e1 en la mejora de las t\u00e9cnicas de localizaci\u00f3n, la fusi\u00f3n de tecnolog\u00edas de localizaci\u00f3n alternativas y en la localizaci\u00f3n cooperativa entre usuarios para lograr un posicionamiento y una navegaci\u00f3n precisos, que deben ser robustos y estar disponibles para personas en edificios complejos y de gran tama\u00f1o. Desarrollaremos demostradores experimentales utilizando plataformas comunes como los tel\u00e9fonos inteligentes.<\/p>\n<p>Los problemas y dificultades a corto-medio plazo son fundamentalmente de personal (reducci\u00f3n del n\u00famero de investigadores) y de financiaci\u00f3n de gastos generales (importantes recortes financieros en los proyectos), sin embargo no hay necesidades especiales de equipamiento cient\u00edfico a gran escala, ni de espacio para investigaci\u00f3n ni de apoyo administrativo, porque actualmente est\u00e1 cubierto por el centro CAR.<\/p>\n<p>&nbsp;<\/p>\n<h3><a href=\"https:\/\/lopsi.car.upm-csic.es\/\">M\u00e1s informaci\u00f3n<\/a><\/h3>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>LOCALIZACI\u00d3N Y EXPLORACI\u00d3N PARA SISTEMAS INTELIGENTES\u00a0 El trabajo de investigaci\u00f3n del grupo Lopsi se centra en los Sistemas de Posicionamiento Local (SPL), que son similares al GPS en funcionalidad pero [&hellip;]<\/p>\n","protected":false},"author":2997,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"The research work of Lopsi group\u00a0 focuses on Local Positioning Systems (LPS), which are similar to GPS in functionality but LPS must operate in places where GPS is not available, such as inside buildings and difficult areas outdoors. The research activity of the group includes fundamental studies such as signal processing, mathematical techniques for accurate positioning, design and implementation of prototypes, and finally, the study of location-based services (LBS) that can be offered by these pervasive technologies to people.\r\n\r\nAt present, Lopsi designs and performs research on several kinds of LPS systems:\r\n\r\n1) Localization of people in indoor areas with RF and inertial sensors: We work in Local Positioning Systems (LPS) capable of locating, tracking, and guiding people in indoor environments, where GPS devices are not operative. We do so by combining RF technology (like RFID or UWB) and\u00a0 foot-mounted inertial measurement units (IMUs), with pedestrian dead reckoning techniques (PDR) or Bayesian state estimation. Current applications of this system are the development of Assistance Systems for people or additional Ambient Intelligence and Location-Based Services. We were awarded with the first prize in the international 2012 EvAAL competition.\r\n\r\n2) High accuracy 3D positioning with ultrasonic technology:\u00a0 We use ultrasound for high accuracy 3D positioning in small areas, by using multilateration techniques with the times of flight of ultrasonic signals propagating from a set of beacons to a mobile node. For accurate range estimation and multiple transducer capability, the ultrasonic signals are digitally modulated and encoded with the orthogonal codes used in CDMA communication systems, essentially translating the GPS design to an ultrasonic system. Our ultrasonic positioning prototype achieves a typical accuracy of a few centimeters in a space of a some cubic meters. This technology is useful for robotic and industrial applications, as well as in the development of personal aids for precise positioning tasks.\r\n\r\nIn the future, our research will focus on improving localization techniques, the fusion of alternative location technologies, and in cooperative localization between users in order to achieve an accurate positioning and navigation, that must be robust and available for people in complex and large buildings. We will develop experimental demonstrators using common platforms such as smartphones.\r\n\r\nThe problems and difficulties is the short-medium term are primarily of personnel (reduced number of research students) and funding for general costs (significant financial cuts in projects), however there aren\u2019t special needs for large-scale scientific equipment, or research space or administrative support, because it is currently covered by CAR center.","_et_gb_content_width":"","footnotes":""},"class_list":["post-18301","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>LOCALIZACI\u00d3N Y EXPLORACI\u00d3N PARA SISTEMAS INTELIGENTES - Centro de Autom\u00e1tica y Rob\u00f3tica<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.car.upm-csic.es\/en\/localizacion-y-exploracion-para-sistemas-inteligentes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LOCALIZACI\u00d3N Y EXPLORACI\u00d3N PARA SISTEMAS INTELIGENTES - 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