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Smart city article details
| Title | From Data To Value In Smart Waste Management: Optimizing Solid Waste Collection With A Digital Twin-Based Decision Support System |
|---|---|
| ID_Doc | 27181 |
| Authors | Barth L.; Schweiger L.; Benedech R.; Ehrat M. |
| Year | 2023 |
| Published | Decision Analytics Journal, 9 |
| DOI | http://dx.doi.org/10.1016/j.dajour.2023.100347 |
| Abstract | The importance of waste management, including collection, separation, recovery, and recycling, increases with the growing amount of waste. Technological innovations such as smart connected products, the Internet of Things, and digital twins are driving the development of smart management systems. Investments in necessary product-service systems are justified by cost savings and improved service quality, especially in affluent societies like Switzerland. However, there is a trade-off between cost savings and service quality that raises the question of optimal balance. Using a Swiss municipality as an example, this paper models the trade-off between cost savings and service quality using waste bin sensor modules. Simulation results demonstrate the impact of cost savings on service quality reduction and that substantial cost savings are possible without a service quality compromise. We also introduce a digital process twin as a decision support system that is able to leverage a growing database. These results contribute to research, firstly through the field study with 98 waste bins equipped with fill level sensor modules, secondly through the model-based analysis of the trade-off between cost savings and service quality, and thirdly by conceptualizing a digital twin-based decision support system. The results further contribute to practice, firstly by providing benchmarks for implementing similar systems in other municipalities without having to create their own simulations, secondly by presenting an innovative key performance indicator to measure service quality, and thirdly with a model that can be used for simulations to determine the individual optimum between costs and service quality. © 2023 The Authors |
| Author Keywords | Digital process twin; Digital twin; Internet of Things; Smart cities; Waste management |
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