{"id":1528,"date":"2021-04-16T12:31:00","date_gmt":"2021-04-16T10:31:00","guid":{"rendered":"http:\/\/wordpress1906309.home.pl\/public_html\/autoinstalator\/aspen\/?p=1528"},"modified":"2022-08-10T07:53:12","modified_gmt":"2022-08-10T05:53:12","slug":"article-on-aspen-in-ieee-magazine","status":"publish","type":"post","link":"https:\/\/aspen.heller-consult.pl\/index.php\/en\/2021\/04\/16\/article-on-aspen-in-ieee-magazine\/","title":{"rendered":"Article on ASPEN in IEEE Magazine"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1528\" class=\"elementor elementor-1528\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6ce274b1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6ce274b1\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5fbf16f3\" data-id=\"5fbf16f3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-59bc445a elementor-widget elementor-widget-text-editor\" data-id=\"59bc445a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.23.0 - 25-07-2024 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p style=\"text-align: justify;\">For a few years now, we have been busy developing the Aspen system, which <a href=\"https:\/\/aspen.heller-consult.pl\/car\/\">measures the unevenness of roads with smartphones<\/a>. How does it work? How accurate is it? We address these questions in a scientific article\u00a0<strong><em>Road Roughness Estimation Through Smartphone Measured Acceleration. <\/em><\/strong>It was published in\u00a0<strong><em>IEEE Intelligent Transportation Systems Magazine<\/em><\/strong>. This paper describes the collection and processing of vibration and localization data and our approach to compute the International Roughness Index (IRI). We have shown that:<\/p><ul><li style=\"text-align: justify;\">Aspen gets a 70% correlation with reference IRI (for an 18.6 km route of urban roads).<\/li><li style=\"text-align: justify;\">Using many smartphones together or multiple rides we can increase the correlation to 85%.<\/li><li style=\"text-align: justify;\">The accuracy of spatial localization of the vehicle is as important as the analysis of its vibrations.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6f6465eb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6f6465eb\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7e1c834d\" data-id=\"7e1c834d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4bcc54cc elementor-widget elementor-widget-heading\" data-id=\"4bcc54cc\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.23.0 - 25-07-2024 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-default\">IEEE in numbers<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-62706f47 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"62706f47\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-14125c99\" data-id=\"14125c99\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-23e6a192 elementor-widget elementor-widget-text-editor\" data-id=\"23e6a192\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p style=\"text-align: justify;\"><strong><em>IEEE Intelligent Transportation Systems Magazine<\/em><\/strong>\u00a0is a very prestigious magazine for both scientific and professional readers. According to the <em>Scopus <\/em>database, it is in the top 10% of the most-cited journals in categories Automotive engineering\u00a0(#8\/91), \u00a0Mechanical Engineering\u00a0(#50\/585) and the top 15% in\u00a0Computer Science Applications\u00a0(#90\/636).\u00a0<\/p><p style=\"text-align: justify;\">Our paper is also an example of the beneficial cooperation of Heller Consult with scientists from the Systems Research Institute, Polish Academy of Sciences and the Faculty of Civil Engineering, Warsaw University of Technology.\u00a0<\/p><p style=\"text-align: justify;\">Below, we provide the abstract of the paper.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-18daf33d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"18daf33d\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-dcf171f\" data-id=\"dcf171f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-609af532 elementor-widget elementor-widget-heading\" data-id=\"609af532\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Authors<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2f14a6c5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2f14a6c5\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-61c94e8a\" data-id=\"61c94e8a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-64de4034 elementor-widget elementor-widget-text-editor\" data-id=\"64de4034\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Opara, K. R., Brzezi\u0144ski, K., Bukowicki, M., &amp; Kaczmarek-Majer, K. (2021). Road roughness estimation through smartphone-measured acceleration.\u00a0<em>IEEE Intelligent Transportation Systems Magazine<\/em>. 2021.\u00a0<a href=\"https:\/\/doi.org\/10.1109\/MITS.2021.3049382\">https:\/\/doi.org\/10.1109\/MITS.2021.3049382<\/a><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-55b394a4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"55b394a4\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-297ffb10\" data-id=\"297ffb10\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3e494a58 elementor-widget elementor-widget-heading\" data-id=\"3e494a58\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Article Abstract<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6b5ccbd7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6b5ccbd7\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7859d2c4\" data-id=\"7859d2c4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-51027a0 elementor-widget elementor-widget-text-editor\" data-id=\"51027a0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><em>Driving on an uneven road causes vibration of the vehicle. These vibrations affect the comfort of the road users but also convey information about the road profile. This study demonstrates the feasibility, accuracy, and repeatability of the accelerometer system for pavement evaluation that computes the international roughness index (IRI) using multiple smartphones to collect data. It uses quarter-car and half-car suspension models calibrated through rides on speed bumps or a section with a known profile. We report on a field test with eight runs over an 18.6-km route of urban asphalt roads. The correlation of our results with the reference laser profilometer IRI oscillates around 0.7 for a single measurement and reaches 0.85 in the case of using multiple sensors and repeated rides. We also demonstrate that inaccuracies in the spatial attribution of the road localization are a similarly important source of errors as the uncertainty related to mechanical models.<\/em><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-544a3d1d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"544a3d1d\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-21156dce\" data-id=\"21156dce\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5f946c8a elementor-widget elementor-widget-image\" data-id=\"5f946c8a\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.23.0 - 25-07-2024 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"653\" height=\"901\" src=\"https:\/\/aspen.heller-consult.pl\/wp-content\/uploads\/2022\/07\/iee2-1.jpg\" class=\"attachment-large size-large wp-image-1388\" alt=\"\" srcset=\"https:\/\/aspen.heller-consult.pl\/wp-content\/uploads\/2022\/07\/iee2-1.jpg 653w, https:\/\/aspen.heller-consult.pl\/wp-content\/uploads\/2022\/07\/iee2-1-217x300.jpg 217w, https:\/\/aspen.heller-consult.pl\/wp-content\/uploads\/2022\/07\/iee2-1-230x317.jpg 230w, https:\/\/aspen.heller-consult.pl\/wp-content\/uploads\/2022\/07\/iee2-1-350x483.jpg 350w, https:\/\/aspen.heller-consult.pl\/wp-content\/uploads\/2022\/07\/iee2-1-480x662.jpg 480w\" sizes=\"(max-width: 653px) 100vw, 653px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Scientific article Road Roughness Estimation Through Smartphone Measured Acceleration published in IEEE Intelligent Transportation Systems Magazine.<\/p>\n","protected":false},"author":6,"featured_media":1392,"comment_status":"closed","ping_status":"open","sticky":false,"template":"post-templates\/post_nosidebar.php","format":"standard","meta":{"_vp_format_video_url":"","_vp_image_focal_point":[],"footnotes":""},"categories":[26],"tags":[],"class_list":["post-1528","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news_news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.1 - 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