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Passive RFID UHF technology for vehicle identification at the BLG Autoterminal Bremerhaven | Part 1

Use Cases | By Dirk Werthmann | 15 July 2013
Test runs with differently adjusted RFID antennas to assess different transponder positions and to derive an efficient gate configuration Test runs with differently adjusted RFID antennas to assess different transponder positions and to derive an efficient gate configuration Photo: BIBA

Many labels, one solution

A constituent element of the science project RFID based Automotive Network (RAN) was to check which hardware is required to reliably detect vehicles with different transponder positions in logistic processes. BLG, Daimler, Opel, Siemens and BIBA performed tests identifying different vehicles passing differently configured RFID gates to find the most economical solution.

By Dennis Brandwein and Dirk Werthmann, Scientific Staff at BIBA – Bremer Institut für Produktion und Logistik GmbH in the scientific section Intelligent Production and Logistics Systems (IPS)

Among the entire network 18 project partners agreed on using passive UHF technology as well as displaying the whole vehicle identification number (VIN) on the RFID chip to detect the vehicles. There are different approaches regarding applied „container formats“ used to save the VIN on the transponder.

Custom manufacturer and user solutions

Due to various applications and product strategies there are also different spots for manufacturers to place the transponder on or in the vehicle. In the section for quality assurance Daimler installed transponders in the upper area of the windshield to localize the vehicles with a positioning system after the assembly was completed. Furthermore Daimler supplemented the label, which was temporarily mounted for distribution, with a transponder for automatic identification in logistics processes for other vehicle series. On the other hand Opel looked for a position which allows to mount the transponder on the bodyshell during the production process. Using a permanently mounted transponder enables to manage already production processes RFID based. No additional transponder would be required for distribution and even after delivery, further usage for inspection purposes for instance could be possible.

Preliminary studies on vehicle identification

During the three year project the BIBA examined together with project partners if the capacity of customary RFID systems meets the requirements of reliable vehicle identification. Studies carried out in the BLG Autoterminal Hamburg proved that the tested transponders are very resistant to chemical, mechanical and thermal influences typical of distribution, which occur at the car wash prior to the retail delivery, for instance.

High speed test in the Opel Test Center Dudenhofen

Also high speed tests in the Opel Test Center Dudenhofen showed how efficient RFID systems are nowadays. At the tests passive tags on and in a vehicle could be read from a distance of up to five meters at a speed of more than 260 kilometers per hour. The logistics service provider must be able to apply the right decoding rule each time because both manufacturers save the VIN according to different number systems at the transponder. The front part of the number systems marks the following idents as well as their position and size in the transponder memory. As a result the middleware was able to allocate the appropriate valid decoding rule in a simple way so the VIN was shown in plain writing.

Also read part 2: Passive RFID UHF technology for vehicle identification at the BLG Autoterminal Bremerhaven

Der komplette Beitrag ist in der Aprilausgabe 2013 des Fachmagazins „RFID im Blick“ erschienen.

Treffen Sie das BIBA, als Aussteller auf dem RFID-Kongress 2013 am 10. September 2013 in Düsseldorf, organisiert von „RFID im Blick“. Matthias Kalverkamp, Wissenschaftlicher Mitarbeiter, beim BIBA bietet das SpeedLab "Werkzeuge zur Entwicklung individueller RFID-Lösungen, Unternehmen gestalten ihre Industrie 4.0 Umgebung" an.

Translated by "RFID im Blick".

Last modified on Wednesday, 21 October 2015 17:18
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