Integration of a fuzzy inference system to improve the usability of a water quality monitoring prototype in fish ponds.
Keywords:
Aquaculture, Monitoring Systems, Fuzzy Logic, Systems UsabilityAbstract
Water quality monitoring systems in aquaculture ponds are limited to providing parameter values as output information, which makes it difficult for the user to determine the water quality. This work addresses the improvement of the usability of these systems by integrating a fuzzy inference system (FIS) and representing it in an output interface based on traffic light colors. The development phases of this work consisted of, first, the migration of the FIS to the Arduino platform, followed by the implementation of the water quality traffic light on the monitoring prototype. Finally, the third phase consisted of evaluating the usability improvement. For this, a sample of 20 participants involved in aquaculture activities was selected. Two tests were applied: the first focused on measuring the speed of the participants to determine the water quality, timing the time spent in this activity; and the second aimed at measuring the participant's level of satisfaction in the use of the prototype by applying a survey based on a five-level Likert scale. The results show that the integration of the FIS into the water quality monitoring prototype has a positive impact on usability. Users reported a significantly improved user experience and were able to determine the water quality status three times faster compared to information provided in numerical format. This work highlights the importance of prioritizing usability in the implementation of technological products intended for the aquaculture sector to facilitate their technological transfer.
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