University of Twente Student Theses


Radiolocalisation at construction sites

Braak, J.C. ter (2016) Radiolocalisation at construction sites.

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Abstract:On construction sites, there are unsolved security concerns. Equipment misplacement and theft, labour fraud and regulatory constraints require construction companies to keep a close watch on personnel and equipment, in order to prevent unnecessary costs. Due to the opaque nature of constructions sites and their workflow, this is very labour-intensive to achieve, mitigating the potential savings. Video surveillance partly solves this problem by keeping watch over construction sites for undesired activity, however much of unwanted activity remains unseen by cameras. A localisation system is required to keep better track of people and equip- ment, however the constraints imposed by typical construction sites prevent us from using existing localisation systems. The localisation system should be low-cost, low- infrastructure and low-maintenance. We show that our design is capable of fulfilling these requirements, among others, and achieve good progress towards an acceptable accuracy. The solution we devise is capable of working with only a single reference node position, low-cost blind nodes without any meaningful processing power, and without an extensive set-up and calibration phase. Our study includes field tests to measure the performance of the design. Future work is recommended to improve the design in order to fully fulfill the requirements, however the current design is already reasonably satisfactory. By using the design on construction sites, construction companies will gain increased insight into the placement and movement of employees and equipment.
Item Type:Essay (Master)
Faculty:EEMCS: Electrical Engineering, Mathematics and Computer Science
Subject:54 computer science
Programme:Internet Science and Technology MSc (60032)
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