Temperature and Position Effect on Readability of Passive Uhf Rfid Labels for Beverage Packaging (original) (raw)

2017, Chemical engineering transactions

The radio frequency identification (RFID) of food items improves production process efficiency as well as optimises the management of the monitoring and the logistics along the production chain (Barge et al., 2014). Moreover, interest in UHF RFID tags adoption is growing in particular applications such as anti-counterfeiting systems. The readability of passive UHF RFID tags is well known to be critical when applied to products at high water content. Nevertheless, the effect on readability of solutions of water and other organic (e.g. ethanol, sugars, organic acids) or inorganic (salts) compounds, which are typical of food and beverage composition, has not yet been studied. Furthermore, as in the case of beverages that must be chilled for their conservation (i.e. fruit juice, fresh milk and other pasteurised beverages), the temperature can compromise tag readability. RFID systems efficiency may also be affected by tag-to-reader antenna misalignment, which often occurs for cylindrical...