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case study 1 - Eureka 415 tags

Traceability for the Peugeot 206 & 307

An important aspect of vehicle manufacture is to be able to deliver to a dealer network accurately and on time, a wide range of vehicles to a consumer orientated customer base. This means that, from a scheduling point of view, there must be a reliable means to provide the dealers with up to date information on orders that are placed.

peugeot logo


peugeot 307 car  Vehicle manufacturers are very proactive in investing in the latest technology to ensure they remain efficient and effective in an extremely competitive market. Utilising state-of-the-art technology demonstrates a commitment to customer care, and, in an industry where costs are closely monitored, selecting automatic identification, in particular RFID, provides the high level of control needed.

Peugeot Car Plant, Poissy France

The Peugeot car plant at Poissy began manufacturing in the 1940's and has been building cars ever since. The plant aims to manufacture 1,000 cars every day with a target of more than 200,000 cars a year.

Integral to their automated systems are a network of over 80 Eureka Decoders which process data from in excess of 2000 Eureka 415 Read / Write Tags. These Tags are fitted to the bare chassis of a car at the start of the production line, and follow the car through the complete build process.

Every point of identification is connected via a serial link to the Peugeot manufacturing system main frame , which monitors and controls the information received from the Eureka 415 Tags.


The Eureka 415 Tag

Each Eureka 415 Tag operates in a high temperature environment as a radio frequency read-write transponder. The Tag's thermal characteristics enable it to be used for extended periods in conjunction with appropriate cooling cycles, typically 200°C for 1 hour.

It is normally in a quiescent state, but when it comes within range of a radio frequency field produced by the interrogating antenna, it is activated and transmits its data back to the decoder via the antenna. The radio frequency communications to and from the Tag, utilise low frequency inductive coupling, and can therefore function through most non-conductive materials, allowing Tag operation in very difficult and harsh environments. A long-life lithium battery maintains the Tag's data memory, and provides the small amount of power needed to transmit data from the Tag. Because of this the Tag is referred to as an "Active Transponder".

Eureka 415 High Temperature Tag


System Operation

Peugeot cars are built to a production schedule based on order intake from a dealer network spread throughout Europe. At the start of the production line a Eureka 415 Tag is fixed to the chassis of every car body providing a unique ID. This is then used to track the build of the car on a power-and-free conveyor system via several antennas', which activate and receive data from the Tags.
Eureka Antenna Working  At several points on the production line, including before and after the paint ovens, the Eureka Decoders are instructed, via their antenna's, to read and/or write data to and from the Tags, sending the result to the controlling system, which is linked to the manufacturing database.

At the end of the production line just prior to the car being driven off for road tests the Tag is removed and recycled for further use in the plant.


Conclusion

By using Eureka 415 Active Tags to uniquely identify car bodies the intricacies of production scheduling are streamlined and automated.
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