Looking for your car keys, the remote, or the cat is fast becoming analogous in an industrial facility to finding a vehicle, sensor, or tank car. What was originally associated with the radio frequency identification (RFID) world has evolved into the more appropriate real-time location service (system), or RTLS, arena. While you could think of RFID as a database management system with readers who could inform the database as to where it last observed a tag, RTLS brings the realm of tracking devices into the industrial world. Vendors are touting several technologies as optimal for industrial asset (racking, especially end users in petrochemical (on-shore/off-shore), pharmaceutical manufacturing, power systems (generation and distribution), and pulp and paper processing.
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