Research project by iba AG and the Johannes Gutenberg University in Mainz

Flat products in metal processing industry are produced in several steps. The individual process steps are usually not interconnected directly, but are separated by transportation routes and interim storage facilities. When the coils are supplied to the next process step, they might be mixed up. For identifying the coils, iba AG has developed in cooperation with the Johannes Gutenberg University in Mainz mathematical algorithms and processes that are based on geometrical parameters like thickness and length. The research was sponsored by the German Federal Ministry of Economics and Technology (BMWi). Based on the results of this research project the ibaDatawyzer-ICC software can detect mix-ups and alarm the operator.

For identifying the coils clearly, they are marked or laminated with a coil number. There might occur errors, e.g. by an incorrect data input by the marking machine or a wrong timing in the production process. Also in the coil-yard, it might occur that a coil is stored at a wrong position. As a result, the coil might be processed in a next process step incorrectly under a wrong identity.

Instead of the external markings, ibaDatawyzer-ICC uses the geometrical properties of a coil (e.g. thickness or width) for identifying it - similar to the human fingerprint. ibaDatawyzer-ICC uses the measurement data that have been recorded by means of the process data recording system ibaPDA, analyzes these values automatically and extracts the required information.

Each thickness or width longitudinal profile has its own characteristic features. This was shown by the analysis of several thousand coils from different rolling mills.

However, the measurement data are recorded by different measurement devices from various manufacturers (e.g. radiometric thickness measuring systems with x-ray or isotope rays or optical thickness measuring devices) that can have different time constants, sampling rates and length resolutions. As a result, the measurement values have to be prepared and pre-processed adequately before the characteristic features can be extracted. By means of these characteristic features, the users can verify if two measured longitudinal profiles originate from the same coil. For this purpose, features (matches) that are sufficiently matching are determined for both profiles and the longitudinal positions are compared. Hence, coils that have been produced incorrectly can be blocked and the coil that has not been produced, yet, can be marked correctly and supplied correctly to production.

ibaDatawyzer-ICC works fully automatic, but offers an interactive user interface, where the current results are visualized and the applications can be configured. Interactive queries can be made for analyzing the production.

iba AG based in Fuerth (Northern Bavaria), is considered globally to be a leading specialist for high-quality, PC-based systems for data acquisition and analysis, signal processing and automation. Iba products are used in steel and metal industries, pulp and paper industries, in the field of transportation systems, for test benches as well as for power supply and wind turbines. The main feature of iba products is their distinct connectivity to other systems and bus technologies. An iba data acquisition system can be connected to almost every common automation system.

For further information and product details, please see:
www.iba-ag.com

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Dr. Ulrich Lettau - CEO
iba AG
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90762 Fuerth
Tel.: +49 (911) 972 82-0
Fax: +49 (911) 97282-33
ulrich.lettau@iba-ag.com

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Michaela Wassenberg
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Fax: +49 911 / 598 398-18
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This release was published on openPR.