Abstract
In a smart factory, location-aware functions are an important feature. An asset’s position provides the context for making decisions in the factory. In this study, we have proposed a technique for positioning metal parts using a passive RFID (Radio-frequency identification) system. We applied the fingerprinting method using RSSI (Received Signal Strength Indicator) values of the tag to estimate its position. The position was estimated with an accuracy of 89% in an area of 3.6x3.6 m. This provides a potentially more affordable means of tracking metal parts in a factory, with acceptable accuracy at lower costs than other indoor positioning techniques.
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