{"id":2832,"date":"2025-09-19T07:44:05","date_gmt":"2025-09-19T05:44:05","guid":{"rendered":"https:\/\/www.ki-fortschrittszentrum.de\/?post_type=projekt&#038;p=2832"},"modified":"2025-11-03T10:47:49","modified_gmt":"2025-11-03T09:47:49","slug":"focus-bike-service-assist","status":"publish","type":"projekt","link":"https:\/\/www.ki-fortschrittszentrum.de\/en\/projekt\/focus-bike-service-assist\/","title":{"rendered":"FOCUS Bikes Service Assist"},"content":{"rendered":"<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-86663cd stk-block-background stk--has-background-overlay\" data-block-id=\"86663cd\"><style>.stk-86663cd {background-image:url(https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/HeaderFocus-scaled.jpg) !important;background-position:top center !important;min-height:520px !important;align-items:flex-end !important;padding-bottom:0px !important;margin-bottom:0px !important;display:flex !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-86663cd-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-5a28863\" data-v=\"4\" data-block-id=\"5a28863\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-5a28863-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-5a28863-inner-blocks\">\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-3e4895d\" data-block-id=\"3e4895d\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-3e4895d-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-a094f1e\" data-v=\"4\" data-block-id=\"a094f1e\"><style>@media screen and (min-width:690px){.stk-a094f1e {flex:var(--stk-flex-grow, 1) 1 calc(30% - var(--stk-column-gap, 0px) * 2 \/ 3 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-a094f1e-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-a094f1e-inner-blocks\"><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-ba57710\" data-v=\"4\" data-block-id=\"ba57710\"><style>@media screen and (min-width:690px){.stk-ba57710 {flex:var(--stk-flex-grow, 1) 1 calc(30% - var(--stk-column-gap, 0px) * 2 \/ 3 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-ba57710-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-ba57710-inner-blocks\"><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-4764f29 stk-block-background\" data-v=\"4\" data-block-id=\"4764f29\"><style>.stk-4764f29 {align-self:flex-end !important;background-color:var(--theme-palette-color-8, #ffffff) !important;padding-top:0px !important;padding-right:0px !important;padding-bottom:0px !important;padding-left:0px !important;}.stk-4764f29-inner-blocks{justify-content:flex-end !important;}.stk-4764f29:before{background-color:var(--theme-palette-color-8, #ffffff) !important;}@media screen and (min-width:690px){.stk-4764f29 {flex:var(--stk-flex-grow, 1) 1 calc(40% - var(--stk-column-gap, 0px) * 2 \/ 3 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-4764f29-container stk--no-background stk--no-padding\"><div class=\"stk--column-flex stk-block-content stk-inner-blocks stk-4764f29-inner-blocks\">\n<div class=\"wp-block-greenshift-blocks-container gspb_container gspb_container-gsbp-933ef16\" id=\"gspb_container-id-gsbp-933ef16\">\n<div class=\"wp-block-stackable-image stk-block-image has-text-align-right stk-block stk-1690316\" data-block-id=\"1690316\"><style>.stk-1690316 {margin-bottom:36px !important;}.stk-1690316 .stk-img-wrapper{width:50% !important;}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img\" src=\"https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/FOCUS_Bikes_Logo_wordmark_midnightgreen.svg\" width=\"50\" height=\"300\"\/><\/span><\/figure><\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-container gspb_container gspb_container-gsbp-eafe0ac\" id=\"gspb_container-id-gsbp-eafe0ac\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-d634667\" data-block-id=\"d634667\"><style>.stk-d634667 {align-items:flex-start !important;padding-top:0px !important;padding-bottom:0px !important;margin-top:0px !important;margin-bottom:0px !important;display:flex !important;}.stk-d634667 .stk-block-text__text{font-size:15px !important;font-weight:200 !important;}@media screen and (max-width:999px){.stk-d634667 .stk-block-text__text{font-size:15px !important;}}<\/style><p class=\"stk-block-text__text has-text-align-left\">FOCUS Bikes GmbH<\/p><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-container gspb_container gspb_container-gsbp-1fa6a74\" id=\"gspb_container-id-gsbp-1fa6a74\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-be1fdb3\" data-block-id=\"be1fdb3\"><style>.stk-be1fdb3 {padding-top:0px !important;padding-bottom:12px !important;margin-top:0px !important;margin-bottom:0px !important;}.stk-be1fdb3 .stk-block-text__text{font-size:15px !important;color:#ffffff80 !important;}@media screen and (max-width:999px){.stk-be1fdb3 .stk-block-text__text{font-size:15px !important;}}<\/style><p class=\"stk-block-text__text has-text-color has-text-align-left\">Contact at the AI Innovation Center<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-24ffa5e\" data-block-id=\"24ffa5e\"><style>.stk-24ffa5e {padding-top:0px !important;padding-bottom:0px !important;margin-top:0px !important;margin-bottom:0px !important;}.stk-24ffa5e .stk-block-text__text{font-size:15px !important;color:#ffffff !important;}@media screen and (max-width:999px){.stk-24ffa5e .stk-block-text__text{font-size:15px !important;}}<\/style><p class=\"stk-block-text__text has-text-color has-text-align-left\">David Blank<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-af007b4\" data-block-id=\"af007b4\"><style>.stk-af007b4 {padding-top:0px !important;padding-right:0px !important;padding-bottom:0px !important;padding-left:0px !important;margin-top:0px !important;margin-right:0px !important;margin-bottom:0px !important;margin-left:0px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-button-group\">\n<div class=\"wp-block-stackable-button stk-block-button is-style-plain stk-block stk-1cf8bea\" data-block-id=\"1cf8bea\"><style>.stk-1cf8bea .stk-button{padding-top:0px !important;padding-right:0px !important;padding-bottom:0px !important;padding-left:0px !important;background:transparent !important;}.stk-1cf8bea .stk-button:hover:after{background:transparent !important;opacity:1 !important;}:where(.stk-hover-parent:hover,  .stk-hover-parent.stk--is-hovered) .stk-1cf8bea .stk-button:after{background:transparent !important;opacity:1 !important;}.stk-1cf8bea .stk-button__inner-text{font-size:15px !important;color:var(--theme-palette-color-8, #ffffff) !important;font-weight:200 !important;}@media screen and (max-width:999px){.stk-1cf8bea .stk-button__inner-text{font-size:15px !important;}}<\/style><a class=\"stk-link stk-button stk--hover-effect-darken\" href=\"mailto:david.blank@iao.fraunhofer.de\" title=\"david.blank@iao.fraunhofer.de\"><span class=\"has-text-color stk-button__inner-text\">david.blank@iao.fraunhofer.de<\/span><\/a><\/div>\n<\/div><\/div>\n<\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-spacer stk-block-spacer stk--no-padding stk-block stk-56a43b6\" data-block-id=\"56a43b6\"><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-fc04401\" data-block-id=\"fc04401\"><style>.stk-fc04401 {padding-right:24px !important;padding-left:24px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-fc04401-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-a194320\" data-v=\"4\" data-block-id=\"a194320\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-a194320-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-a194320-inner-blocks\"><div data-block=\"hook:1248\" class=\"alignfull\"><article id=\"post-1248\" class=\"post-1248\"><div class=\"entry-content is-layout-constrained\">\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-fcd1a8a\" data-block-id=\"fcd1a8a\"><style>.stk-fcd1a8a {margin-bottom:24px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-button-group\">\n<div class=\"wp-block-stackable-icon-button stk-block-icon-button stk-block stk-82470ba is-style-ghost\" data-block-id=\"82470ba\"><style>.stk-82470ba .stk-button{background:transparent !important;}.stk-82470ba .stk-button:hover{background:transparent !important;opacity:1 !important;}:where(.stk-hover-parent:hover,  .stk-hover-parent.stk--is-hovered) .stk-82470ba .stk-button:after{background:transparent !important;opacity:1 !important;}.stk-82470ba .stk-button:before{border-style:solid !important;border-color:var(--theme-palette-color-9, #264e5d) !important;}.stk-82470ba .stk-button .stk--inner-svg svg:last-child, .stk-82470ba .stk-button .stk--inner-svg svg:last-child :is(g, path, rect, polygon, ellipse){fill:var(--theme-palette-color-11, #006e92) !important;}<\/style><a class=\"stk-link stk-button stk--hover-effect-darken\" href=\"javascript:window.history.back();\" title=\"Back\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\" aria-hidden=\"true\" width=\"32\" height=\"32\"><path d=\"M9.4 233.4c-12.5 12.5-12.5 32.8 0 45.3l128 128c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L109.3 288 480 288c17.7 0 32-14.3 32-32s-14.3-32-32-32l-370.7 0 73.4-73.4c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0l-128 128z\"><\/path><\/svg><\/div><\/span><\/a><\/div>\n<\/div><\/div>\n<\/div><\/article><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-5cbd537\" id=\"quick-check\" data-block-id=\"5cbd537\"><style>.stk-5cbd537 {margin-bottom:0px !important;}<\/style><h1 class=\"stk-block-heading__text\">FOCUS Bikes Service Assist<\/h1><\/div>\n\n\n\n<div class=\"wp-block-stackable-icon-label stk-block-icon-label stk-block stk-9c593c0\" id=\"quick-check\" data-block-id=\"9c593c0\"><style>.stk-9c593c0 .stk-inner-blocks{gap:8px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content\">\n<div class=\"wp-block-stackable-icon stk-block-icon has-text-align-left stk-block stk-624347f\" data-block-id=\"624347f\"><style>.stk-624347f .stk--svg-wrapper .stk--inner-svg svg:last-child{height:16px !important;width:16px !important;}.stk-624347f .stk--svg-wrapper .stk--inner-svg svg:last-child, .stk-624347f .stk--svg-wrapper .stk--inner-svg svg:last-child :is(g, path, rect, polygon, ellipse){fill:var(--theme-palette-color-10, #25bae2) !important;}<\/style><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg style=\"height:0;width:0\"><defs><lineargradient id=\"linear-gradient-624347f\" x1=\"0\" x2=\"100%\" y1=\"0\" y2=\"0\"><stop offset=\"0%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-624347-f-color-1)\"><\/stop><stop offset=\"100%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-624347-f-color-2)\"><\/stop><\/lineargradient><\/defs><\/svg><svg data-prefix=\"fa\" data-icon=\"star\" class=\"svg-inline--fa fa-star fa-w-18\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 576 512\" aria-hidden=\"true\" width=\"32\" height=\"32\"><path fill=\"currentColor\" d=\"M259.3 17.8L194 150.2 47.9 171.5c-26.2 3.8-36.7 36.1-17.7 54.6l105.7 103-25 145.5c-4.5 26.3 23.2 46 46.4 33.7L288 439.6l130.7 68.7c23.2 12.2 50.9-7.4 46.4-33.7l-25-145.5 105.7-103c19-18.5 8.5-50.8-17.7-54.6L382 150.2 316.7 17.8c-11.7-23.6-45.6-23.9-57.4 0z\"><\/path><\/svg><\/div><\/span><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-cdc2d3f\" id=\"span-data-stk-dynamic-current-page-post-taxonomy-term-projektformat-contenteditable-false-class-stk-dynamic-content-post-taxonomy-placeholder-span\" data-block-id=\"cdc2d3f\"><p class=\"stk-block-heading__text\">Quick Check<\/p><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-c21bed1\" id=\"ausgangssituation\" data-block-id=\"c21bed1\"><h2 class=\"stk-block-heading__text\">Initial situation<\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-65e3563\" data-block-id=\"65e3563\"><style>.stk-65e3563 {column-count:1 !important;}<\/style><p class=\"stk-block-text__text\">Modern bicycles with carbon frames offer many advantages, especially in terms of lightness and malleability. Faults, defective components or wear are usually noticeable through noise when riding or during servicing. Due to the resonance behavior of carbon frames, the noises are often audible in completely different places and make localization very difficult or even impossible. In addition, there are noises that only occur while riding, e.g. on the saddle or bottom bracket under load. For example, it can happen that something is wrong with the gears but seems to be audible at the front of the stem, so that the owner or mechanic is misguided and looks in the wrong place. This costs a lot of time, parts and patience.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-8b61625\" data-block-id=\"8b61625\"><p class=\"stk-block-text__text\">Will it be possible in future to detect faults using just one sensor mounted on (or in future in) the frame, such as a microphone and a smartphone?<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-8c26049\" id=\"losungsidee\" data-block-id=\"8c26049\"><h2 class=\"stk-block-heading__text\">Solution idea<\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-ab6a506\" data-block-id=\"ab6a506\"><style>.stk-ab6a506 {column-count:1 !important;margin-bottom:12px !important;}<\/style><p class=\"stk-block-text__text\">Research questions for the Quick Check:<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-icon-list stk-block-icon-list stk-block stk-aa91ae9\" data-block-id=\"aa91ae9\"><svg style=\"display:none\"><defs><g id=\"stk-icon-list__icon-svg-def-aa91ae9\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 320 512\"><path d=\"M80 160c0-35.3 28.7-64 64-64h32c35.3 0 64 28.7 64 64v3.6c0 21.8-11.1 42.1-29.4 53.8l-42.2 27.1c-25.2 16.2-40.4 44.1-40.4 74V320c0 17.7 14.3 32 32 32s32-14.3 32-32v-1.4c0-8.2 4.2-15.8 11-20.2l42.2-27.1c36.6-23.6 58.8-64.1 58.8-107.7V160c0-70.7-57.3-128-128-128H144C73.3 32 16 89.3 16 160c0 17.7 14.3 32 32 32s32-14.3 32-32zm80 320a40 40 0 1 0 0-80 40 40 0 1 0 0 80z\"\/><\/svg><\/g><\/defs><\/svg><ul class=\"stk-block-icon-list__ul stk-block-icon-list--column\">\n<li class=\"wp-block-stackable-icon-list-item stk-block-icon-list-item stk-block stk-49e15d8\" data-block-id=\"49e15d8\"><div class=\"stk-block-icon-list-item__content\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg aria-hidden=\"true\" width=\"32\" height=\"32\"><use xlink:href=\"#stk-icon-list__icon-svg-def-aa91ae9\"><\/use><\/svg><\/div><\/span><span class=\"stk-block-icon-list-item__text\">Where should the sensor be installed to ensure optimum detection?<\/span><\/div><\/li>\n\n\n\n<li class=\"wp-block-stackable-icon-list-item stk-block-icon-list-item stk-block stk-2f25b72\" data-block-id=\"2f25b72\"><div class=\"stk-block-icon-list-item__content\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg aria-hidden=\"true\" width=\"32\" height=\"32\"><use xlink:href=\"#stk-icon-list__icon-svg-def-aa91ae9\"><\/use><\/svg><\/div><\/span><span class=\"stk-block-icon-list-item__text\">Can one or two error cases be recognized and distinguished?<\/span><\/div><\/li>\n\n\n\n<li class=\"wp-block-stackable-icon-list-item stk-block-icon-list-item stk-block stk-87e91f7\" data-block-id=\"87e91f7\"><div class=\"stk-block-icon-list-item__content\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg aria-hidden=\"true\" width=\"32\" height=\"32\"><use xlink:href=\"#stk-icon-list__icon-svg-def-aa91ae9\"><\/use><\/svg><\/div><\/span><span class=\"stk-block-icon-list-item__text\">What is the effort and process involved in training more cases?<\/span><\/div><\/li>\n\n\n\n<li class=\"wp-block-stackable-icon-list-item stk-block-icon-list-item stk-block stk-b76d328\" data-block-id=\"b76d328\"><div class=\"stk-block-icon-list-item__content\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg aria-hidden=\"true\" width=\"32\" height=\"32\"><use xlink:href=\"#stk-icon-list__icon-svg-def-aa91ae9\"><\/use><\/svg><\/div><\/span><span class=\"stk-block-icon-list-item__text\">How can the algorithms be transferred to other bikes?<\/span><\/div><\/li>\n<\/ul><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-76475ee\" id=\"nutzen\" data-block-id=\"76475ee\"><h2 class=\"stk-block-heading__text\">Benefit<\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-3e86ca0\" data-block-id=\"3e86ca0\"><p class=\"stk-block-text__text\">The training of error cases offers the opportunity to create an application that increases the quality of bicycles, service and safety. The application could also be used as early as the development stage. The Quick Check provides information on whether and how the opportunities could be used to offer previously unprogrammable assistance for different groups, possibly even across manufacturer boundaries. It is even conceivable that such an application could contribute to the sustainability of bicycles if it were also possible to detect wear without having to install additional sensors on the parts, so that parts such as brake pads or tires could be replaced at the right time.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-1474c38\" data-block-id=\"1474c38\"><p class=\"stk-block-text__text\">The project also provides information on user interaction with AI and safety on bicycles and in road traffic.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-1e747a7\" id=\"umsetzung\" data-block-id=\"1e747a7\"><h2 class=\"stk-block-heading__text\">Implementation<\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-d745445\" data-block-id=\"d745445\"><p class=\"stk-block-text__text\">Two microphones were attached to the frame of the test bike. One microphone directly on the frame and another on the steering wheel. The microphone recordings were analyzed to assess the potential and feasibility of such a solution. Various faults and problems were defined for this purpose. The aim was to detect a loose brake caliper, for example. The recordings can be analyzed in a variety of ways and give an idea of the potential that can be tapped by an intelligent, adaptive system.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image has-text-align-left stk-block stk-2fa484b\" data-block-id=\"2fa484b\"><style>.stk-2fa484b .stk-img-figcaption{font-size:12px !important;}@media screen and (max-width:999px){.stk-2fa484b .stk-img-figcaption{font-size:12px !important;}}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch stk--has-lightbox\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-2845\" src=\"https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/wave-plot.png\" width=\"1700\" height=\"400\" srcset=\"https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/wave-plot.png 1700w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/wave-plot-400x94.png 400w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/wave-plot-698x164.png 698w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/wave-plot-768x181.png 768w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/wave-plot-1536x361.png 1536w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/wave-plot-18x4.png 18w\" sizes=\"auto, (max-width: 1700px) 100vw, 1700px\" \/><\/span><figcaption class=\"stk-img-figcaption\">Display of an audio recording of several switching operations<\/figcaption><\/figure><\/div>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image has-text-align-left stk-block stk-e52a2f9\" data-block-id=\"e52a2f9\"><style>.stk-e52a2f9 .stk-img-figcaption{font-size:12px !important;}@media screen and (max-width:999px){.stk-e52a2f9 .stk-img-figcaption{font-size:12px !important;}}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch stk--has-lightbox\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-2842\" src=\"https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/dft-plot.png\" width=\"1700\" height=\"400\" srcset=\"https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/dft-plot.png 1700w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/dft-plot-400x94.png 400w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/dft-plot-698x164.png 698w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/dft-plot-768x181.png 768w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/dft-plot-1536x361.png 1536w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/dft-plot-18x4.png 18w\" sizes=\"auto, (max-width: 1700px) 100vw, 1700px\" \/><\/span><figcaption class=\"stk-img-figcaption\">Frequency spectrum over the entire recording<\/figcaption><\/figure><\/div>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image has-text-align-left stk-block stk-70589f1\" data-block-id=\"70589f1\"><style>.stk-70589f1 .stk-img-figcaption{font-size:12px !important;}@media screen and (max-width:999px){.stk-70589f1 .stk-img-figcaption{font-size:12px !important;}}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch stk--has-lightbox\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-2843\" src=\"https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/mel-spektrogramm.png\" width=\"1700\" height=\"500\" srcset=\"https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/mel-spektrogramm.png 1700w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/mel-spektrogramm-400x118.png 400w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/mel-spektrogramm-698x205.png 698w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/mel-spektrogramm-768x226.png 768w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/mel-spektrogramm-1536x452.png 1536w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/mel-spektrogramm-18x5.png 18w\" sizes=\"auto, (max-width: 1700px) 100vw, 1700px\" \/><\/span><figcaption class=\"stk-img-figcaption\">Display of audio features with the help of an MEL spectrogram <\/figcaption><\/figure><\/div>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image has-text-align-left stk-block stk-b03de01\" data-block-id=\"b03de01\"><style>.stk-b03de01 .stk-img-figcaption{font-size:12px !important;}@media screen and (max-width:999px){.stk-b03de01 .stk-img-figcaption{font-size:12px !important;}}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch stk--has-lightbox\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-2901\" src=\"https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-stft.png\" width=\"1700\" height=\"500\" srcset=\"https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-stft.png 1700w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-stft-400x118.png 400w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-stft-698x205.png 698w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-stft-768x226.png 768w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-stft-1536x452.png 1536w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-stft-18x5.png 18w\" sizes=\"auto, (max-width: 1700px) 100vw, 1700px\" \/><\/span><figcaption class=\"stk-img-figcaption\"> MEL spectrogram with Short-Time Fourier Transformation (STFT)<\/figcaption><\/figure><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-b129aab\" data-block-id=\"b129aab\"><style>.stk-b129aab-column{--stk-column-gap:48px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-b129aab-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-da6ce59\" data-v=\"4\" data-block-id=\"da6ce59\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-da6ce59-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-da6ce59-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image has-text-align-left stk-block stk-9e5dd2f\" data-block-id=\"9e5dd2f\"><style>.stk-9e5dd2f .stk-img-figcaption{font-size:12px !important;}.stk-9e5dd2f .stk-img-wrapper{width:100% !important;}@media screen and (max-width:999px){.stk-9e5dd2f .stk-img-figcaption{font-size:12px !important;}}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch stk--has-lightbox\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-2847\" src=\"https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-antrieb-scaled.png\" width=\"2560\" height=\"1809\" srcset=\"https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-antrieb-scaled.png 2560w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-antrieb-400x283.png 400w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-antrieb-698x493.png 698w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-antrieb-768x543.png 768w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-antrieb-1536x1085.png 1536w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-antrieb-2048x1447.png 2048w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-antrieb-18x12.png 18w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/span><figcaption class=\"stk-img-figcaption\">Difference between with or without motor support<\/figcaption><\/figure><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-1e9cfd4\" data-v=\"4\" data-block-id=\"1e9cfd4\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-1e9cfd4-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-1e9cfd4-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image has-text-align-left stk-block stk-fa9245d\" data-block-id=\"fa9245d\"><style>.stk-fa9245d .stk-img-figcaption{font-size:12px !important;}@media screen and (max-width:999px){.stk-fa9245d .stk-img-figcaption{font-size:12px !important;}}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch stk--has-lightbox\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-2897\" src=\"https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-bremsen-io-nio-scaled.png\" width=\"2560\" height=\"1724\" srcset=\"https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-bremsen-io-nio-scaled.png 2560w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-bremsen-io-nio-400x269.png 400w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-bremsen-io-nio-698x470.png 698w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-bremsen-io-nio-768x517.png 768w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-bremsen-io-nio-1536x1035.png 1536w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-bremsen-io-nio-2048x1379.png 2048w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-bremsen-io-nio-18x12.png 18w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/span><figcaption class=\"stk-img-figcaption\">The loose brake caliper causes a distinct noise when actuated<\/figcaption><\/figure><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image has-text-align-left stk-block stk-3b89032\" data-block-id=\"3b89032\"><style>.stk-3b89032 .stk-img-figcaption{font-size:12px !important;}@media screen and (max-width:999px){.stk-3b89032 .stk-img-figcaption{font-size:12px !important;}}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch stk--has-lightbox\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-2846\" src=\"https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-schalten.png\" width=\"2137\" height=\"732\" srcset=\"https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-schalten.png 2137w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-schalten-400x137.png 400w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-schalten-698x239.png 698w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-schalten-768x263.png 768w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-schalten-1536x526.png 1536w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-schalten-2048x702.png 2048w, https:\/\/www.ki-fortschrittszentrum.de\/wp-content\/uploads\/2025\/09\/spektrogramm-schalten-18x6.png 18w\" sizes=\"auto, (max-width: 2137px) 100vw, 2137px\" \/><\/span><figcaption class=\"stk-img-figcaption\">Display of switching operations<\/figcaption><\/figure><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<p>In addition to the presumed detection of faults, it is also possible to detect whether gear changes have been made at the right moment. If the rider shifts under load, i.e. with an active motor, a lot of force is transferred to the chain. This leads to increased wear of the chain and the sprockets, especially with a powerful motor, and in the worst case can lead to breakage. <\/p>\n\n\n\n<p>Based on the audio recordings and the analysis, the following possibilities arise, for example:<\/p>\n\n\n\n<div class=\"wp-block-stackable-icon-list stk-block-icon-list stk-block stk-f582fae\" data-block-id=\"f582fae\"><svg style=\"display:none\"><defs><g id=\"stk-icon-list__icon-svg-def-f582fae\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 190 190\"><polygon points=\"173.8,28.4 60.4,141.8 15.7,97.2 5.1,107.8 60.4,163 184.4,39 173.8,28.4\"\/><\/svg><\/g><\/defs><\/svg><ul class=\"stk-block-icon-list__ul stk-block-icon-list--column\">\n<li class=\"wp-block-stackable-icon-list-item stk-block-icon-list-item stk-block stk-6226326\" data-block-id=\"6226326\"><div class=\"stk-block-icon-list-item__content\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg aria-hidden=\"true\" width=\"32\" height=\"32\"><use xlink:href=\"#stk-icon-list__icon-svg-def-f582fae\"><\/use><\/svg><\/div><\/span><span class=\"stk-block-icon-list-item__text\">Detection of continuous changes to the bicycle, e.g. wear, loss of pressure<\/span><\/div><\/li>\n\n\n\n<li class=\"wp-block-stackable-icon-list-item stk-block-icon-list-item stk-block stk-c88d8dc\" data-block-id=\"c88d8dc\"><div class=\"stk-block-icon-list-item__content\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg aria-hidden=\"true\" width=\"32\" height=\"32\"><use xlink:href=\"#stk-icon-list__icon-svg-def-f582fae\"><\/use><\/svg><\/div><\/span><span class=\"stk-block-icon-list-item__text\">Detection of defects e.g. loose brake caliper<\/span><\/div><\/li>\n\n\n\n<li class=\"wp-block-stackable-icon-list-item stk-block-icon-list-item stk-block stk-ba85f8e\" data-block-id=\"ba85f8e\"><div class=\"stk-block-icon-list-item__content\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg aria-hidden=\"true\" width=\"32\" height=\"32\"><use xlink:href=\"#stk-icon-list__icon-svg-def-f582fae\"><\/use><\/svg><\/div><\/span><span class=\"stk-block-icon-list-item__text\">Detection of maintenance requirements, e.g. greasing the fork or seat post maintenance<\/span><\/div><\/li>\n\n\n\n<li class=\"wp-block-stackable-icon-list-item stk-block-icon-list-item stk-block stk-2ad54bd\" data-block-id=\"2ad54bd\"><div class=\"stk-block-icon-list-item__content\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg aria-hidden=\"true\" width=\"32\" height=\"32\"><use xlink:href=\"#stk-icon-list__icon-svg-def-f582fae\"><\/use><\/svg><\/div><\/span><span class=\"stk-block-icon-list-item__text\">Detection of the current surface and information on the appropriate tire pressure<\/span><\/div><\/li>\n\n\n\n<li class=\"wp-block-stackable-icon-list-item stk-block-icon-list-item stk-block stk-fabb1a0\" data-block-id=\"fabb1a0\"><div class=\"stk-block-icon-list-item__content\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg aria-hidden=\"true\" width=\"32\" height=\"32\"><use xlink:href=\"#stk-icon-list__icon-svg-def-f582fae\"><\/use><\/svg><\/div><\/span><span class=\"stk-block-icon-list-item__text\">Recording of switching behavior, maintenance requirements or future automatic readjustment of the circuit<\/span><\/div><\/li>\n<\/ul><\/div>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Teaching faults via a single sensor on the bike offers the opportunity to increase the quality of bikes, service and safety. <\/p>","protected":false},"author":4,"featured_media":2918,"template":"","format":"standard","meta":{"_acf_changed":true,"_gspb_post_css":".gspb_container-id-gsbp-1fa6a74,.gspb_container-id-gsbp-933ef16,.gspb_container-id-gsbp-eafe0ac{flex-direction:column;box-sizing:border-box}#gspb_container-id-gsbp-1fa6a74.gspb_container>p:last-of-type,#gspb_container-id-gsbp-933ef16.gspb_container>p:last-of-type,#gspb_container-id-gsbp-eafe0ac.gspb_container>p:last-of-type{margin-bottom:0}#gspb_container-id-gsbp-933ef16.gspb_container{position:relative;padding:24px}#gspb_container-id-gsbp-eafe0ac.gspb_container{position:relative;display:block;margin-left:auto}#gspb_container-id-gsbp-1fa6a74.gspb_container{position:relative;display:block;margin:0;padding:24px;background-color:var(--wp--preset--color--palette-color-11, var(--theme-palette-color-11, 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