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Combining Fill-Level Sensing with Route Optimization for a More Efficient Waste Collection

  • We tackle the problem that collecting all the waste of modern cities within the scheduled time spans becomes increasingly challenging, while the waste collection team is not supplemented accordingly in many places, e.g. by more staff or vehicles. Separating waste has become natural for urban populations, as recycling is ecologically necessary. However, the separation also leads to a continuously increasing number of containers which are logistically unmanageable without computer-aided collection scheduling. Regensburg recently introduced a new program for the collection of biological waste, which extends the private collection of such waste by a few hundred public biological waste containers. Computer support was pretty basic so far, i.e. the collection times were recorded and the routes were sporadically rescheduled manually in an Excel sheet. We show that much shorter waste collection routes can be found automatically using a dynamic version of the classic Ant Colony Optimization (ACO) algorithm for shortening the collection routes. Moreover, we sketch an loT (lnternet-of-Things) approach to "lntelligent Waste Containers" which we equip with ultrasonic sensors monitoring the fill levels, which allows us to skip poorly used containers during the collection and reposition them on demand. By means of a computer simulation with online visualization, we illustrate that our optimized and dynamically adapted collection routes lead to significant time savings. Indeed, more than twice the number of currently used containers can be collected within the same time. We also report about the first experiments that we conducted with real sensors. The presented work is the result of a cooperation between four contributing parties: 1) Technical University of Regensburg (OTH); 2) Ara Institute of Canterbury; 3) Regensburg's Governmental Department of Waste Management; and 4) an industry partner (kpit.com). We compare the outcome of our project with related work and we sketch some future perspectives and ideas for transforming Regensburg into an even more automatized, environmentally friendly "smart city".

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Metadaten
Author:David Burger, Amit Sarkar, Konstantin Kirsch, Jan DünnweberORCiDGND
ISBN:9781912764037
Parent Title (English):ECDG 2018 - European Conference on Digital Government, 2018, Santiago De Compostela, Spain
Editor:Ramón Bouzas Lorenzo
Document Type:conference proceeding (article)
Language:English
Year of first Publication:2018
Release Date:2021/11/10
Tag:Ant Colony Optimization; e-waste; loT; smart city; smart government; wireless sensor networks
First Page:24
Last Page:31
Institutes:Fakultät Informatik und Mathematik
Fakultät Informatik und Mathematik / Labor Parallele und Verteilte Systeme
research focus:Produktion und Systeme