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Indoor positioning system based on bluetooth low energy technology and a nature-inspired optimization algorithm
Primož Bencak, Darko Hercog, Tone Lerher, 2022, original scientific article

Abstract: Warehousing is one of the most important activities in the supply chain, enabling competitive advantage. Effective management of warehousing processes is, therefore, crucial for achieving minimal costs, maximum efficiency, and overall customer satisfaction. Warehouse Management Systems (WMS) are the first steps towards organizing these processes; however, due to the human factor involved, information on products, vehicles and workers may be missing, corrupt, or misleading. In this paper, a cost-effective Indoor Positioning System (IPS) based on Bluetooth Low Energy (BLE) technology is presented for use in Intralogistics that works automatically, and therefore minimizes the possibility of acquiring incorrect data. The proposed IPS solution is intended to be used for supervising order-picker movements, movement of packages between workstations, and tracking other mobile devices in a manually operated warehouse. Only data that are accurate, reliable and represent the actual state of the system, are useful for detailed material flow analysis and optimization in Intralogistics. Using the developed solution, IPS technology is leveraged to enhance the manually operated warehouse operational efficiency in Intralogistics. Due to the hardware independence, the developed software solution can be used with virtually any BLE supported beacons and receivers. The results of IPS testing in laboratory/office settings show that up to 98% of passings are detected successfully with time delays between approach and detection of less than 0.5 s.
Keywords: warehousing, indoor positioning systems, bluetooth low energy, particle swarm optimization, nature–inspired algorithm, intralogistics
Published in DKUM: 17.08.2023; Views: 432; Downloads: 49
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Design and development of a mobile application for configuring and using wildlife trackers : master's thesis
Vid Rajtmajer, 2021, master's thesis

Abstract: The number of Internet of Things devices has been increasing rapidly in the recent few years, which opens possibilities for many new use cases. One of those is tracking assets, specifically for the conservation of endangered animals. This is the main goal of the OpenCollar tracking device. Its features and communication technologies are described in this master’s thesis. The device supports a variety of configuration options enabling users to tweak it for their specific usage. The main focus of the thesis was to design, implement, and test a cross-platform mobile application that would simplify the configuration process of such a device. All aspects of the application are described with a focus on the communication protocol. In the end, we present the results and conclude that the implemented application greatly simplifies the management of OpenCollar devices.
Keywords: Internet of Things, mobile application, Bluetooth low energy, Long Range
Published in DKUM: 28.01.2022; Views: 1023; Downloads: 64
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Uporaba mreže Bluetooth na operacijskem sistemu Zephyr : diplomsko delo
Jaka Purg, 2021, undergraduate thesis

Abstract: Namen diplomskega dela je bil vzpostaviti mrežo Bluetooth za krmiljenje LED diod na mikrokrmilnikih iz stikala brez klasične točkovne povezave. Poleg funkcionalnosti same mreže smo v nalogi raziskovali tudi primernost realnočasovnega operacijskega sistema Zephyr, ki v zadnjih letih odločno pridobiva na popularnosti. Najprej smo predstavili teoretično podlago za tehnologijo Bluetooth Low Energy in mrežo Bluetooth ter poleg predstavitve prej omenjenega operacijskega sistema pripravili še primerjavo s FreeRTOS, nato pa opisali implementacijo in zmogljivosti ter možne izboljšave.
Keywords: mreža Bluetooth, Zephyr, realnočasovni operacijski sistem, Bluetooth Low Energy, krmiljenje luči
Published in DKUM: 18.10.2021; Views: 995; Downloads: 100
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