Development of Pill Detection System for Automatic Medicine Dispenser
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Abstract
This research is the study and development of a highly accurate pill detection system for an automatic medicine dispenser. We chose eight different types of pills, which varied in both shape and size for our experiment. The study determined various parameters that affected the systems performance, which included the friction coefficient between the pill and the developed system, the appropriate inclination of the slope for pill dispensing, the test of the infrared sensor signal, and the overall efficiency evaluation of the developed system. The results showed that the friction coefficients between the pill samples and the developed system, were approximately 0.47 to 0.70, and the most suitable inclination angle for dispensing the pills, was 35 degrees. The combination of the slope plate with a vibrating motor exhibited the most efficient way for dispensing the pills. The infrared sensor signal detection level was set at 50% of the normal signal amplitude, to achieve a high accuracy detection system. The overall efficiency evaluation of the pill detection system, demonstrated a 100% accuracy of all the tested samples. In conclusion, our developed pill detection system demonstrated high accuracy results, which can be further implemented for automated pill dispensers.
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