{"id":13872,"date":"2019-08-23T10:00:05","date_gmt":"2019-08-23T09:00:05","guid":{"rendered":"https:\/\/www.engineernewsnetwork.com\/blog\/?p=13872"},"modified":"2019-08-20T16:26:54","modified_gmt":"2019-08-20T15:26:54","slug":"navigation-by-light","status":"publish","type":"post","link":"https:\/\/www.engineernewsnetwork.com\/blog\/navigation-by-light\/","title":{"rendered":"Navigation by light"},"content":{"rendered":"\n

In a German Federal Ministry of Education & Research (BMBF) joint project, OSRAM, G\u00f6tting, KEB Automation and Fraunhofer IEM have researched the possibilities of light-based positioning, particularly for use in industrial applications. <\/p>\n\n\n\n

At the end of the project, the team came to a promising conclusion: navigating by light is practical, flexible and reliable \u2013 and promises great potential for Industry 4.0.<\/p>\n\n\n\n

The results of the three-year collaborative research project is a positioning system that navigates driverless transport vehicles by light through a logistics or production hall. <\/p>\n\n\n\n

Positioning takes place using LED lights mounted on the hall ceiling, each of which emits a clear identifier via modulated (ie, specific pulsating) light. This modulation is completely invisible to the human eye, so no changes are necessary to the existing lighting situation.<\/p>\n\n\n\n

Explaining the advantages of the solution, Christian Fechtelpeter, scientist at Fraunhofer IEM, commented: \u201cEasy and flexible navigation for autonomous vehicles is possible using light-based positioning. If, in the future, we link these to the existing LED ceiling lighting, the technology could be a key driver for Industry 4.0.\u201d<\/p>\n\n\n\n

For illustrative purposes, navigation was implemented in the modular transport system KATE (Kleine autonome Transporteinheit = small autonomous transport unit) from the company G\u00f6tting. <\/p>\n\n\n\n

While the standard version of the vehicle is controlled using optical guidelines and transponders installed on the floor, track guidance can now be achieved using the new system. <\/p>\n\n\n\n

OSRAM modified standard industrial LED lights and developed a camera-based sensor system to receive the modulated light. An in-vehicle evaluation unit developed by G\u00f6tting processes the camera and other sensor data to facilitate navigation via a user interface. <\/p>\n\n\n\n

The inter-disciplinary development of the complete system was coordinated by Fraunhofer IEM using various methods of system engineering. <\/p>\n\n\n\n

The primary factors for success were the model-based specification of the overall architecture, as well as the test case planning.<\/p>\n\n\n\n

As an application partner, KEB used its own electronic production processes to illustrate \u2013 and therefore validate \u2013 the application in use under real conditions. This shows that light-based positioning offers advantages over other navigation technologies when it is ready for market. <\/p>\n\n\n\n

Companies can easily use their existing lighting infrastructure. Since obstacles on the production floor do not interrupt communication between sender and receiver, navigation is largely trouble-free. The route taken by driverless transport systems can be flexibly reprogrammed, which allows processes to be streamlined and workflows smoothed.<\/p>\n\n\n\n

The LiONS project (light sensor-based positioning and navigation services for autonomous systems)<\/a><\/strong> was funded from October 2015 to December 2018 by BMBF as part of the announcement of the promotion of Sensor-based Electronic Systems for Applications for Industry 4.0 (SElekt I4.0).<\/p>\n\n\n\n

Project partners<\/strong><\/p>\n\n\n\n

OSRAM developed both the modified LED lights and the corresponding sensors for the transport vehicle.<\/p>\n\n\n\n

G\u00f6tting KG is developing a special evaluation module in the project for its driverless transport system KATE.<\/p>\n\n\n\n

As an application partner, KEB used its own production processes to illustrate \u2013 and thus validate \u2013 the application in use under real conditions.<\/p>\n\n\n\n

Fraunhofer IEM was responsible for the overall system design, as well as test case planning and coordinated the entire project. <\/p>\n\n\n\n

In the sense of model-based systems engineering, the system of light-based positioning was conceived on a holistic and model-assisted basis, whereby all necessary departments were included from the beginning.<\/p>\n\n\n\n


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In a German Federal Ministry of Education & Research (BMBF) joint project, OSRAM, G\u00f6tting, KEB Automation and Fraunhofer IEM have researched the possibilities of light-based positioning, particularly for use in industrial applications.  At the end of the project, the team came to a promising conclusion: navigating by light is practical, flexible and reliable \u2013 and …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[105,199],"tags":[5034],"class_list":["post-13872","post","type-post","status-publish","format-standard","","category-design","category-news-views-and-opinion","tag-keb-automation"],"yoast_head":"\nNavigation by light - Engineer News Network<\/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.engineernewsnetwork.com\/blog\/navigation-by-light\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Navigation by light - 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