Smartphone Drifters

Integratie van een smartphone RTK-GPS systeem in een drifter

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Abstract

Due to the advancements made in the GPS technology, a new smartphone RTK-GPS system can be used to do measurements with high accuracy, while the equipment is much cheaper than before. In addition, the equipment is relatively small. This makes the system useful for measuring the velocity of the water currents with the use of a drifter. Currently there are no cheap drifters available in which the RTK-GPS smartphone system is integrated. Therefore, such a drifter must be designed. The design needed to be compact, lightweight, watertight and must be designed for use in rivers and small streams. Concept drifters have been made to test the shape, dimensions, material and watertightness of different designs. Using the obtained knowledge, a final drifter design for the bachelor thesis was made, which met most of the requirements for a working design. All the steps taken in the design process of the drifter are described in the report. Further steps in the process of designing a drifter with an integrated smartphone RTK-GPS system have been described in the conclusion of the report.