Fraunhofer-Institut für Produktionsanlagen und Konstruktionstechnik IPK

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Modellgestützte Maschinendiagnose, Prozeßüberwachung und Ferndiagnose

1997 , Krüger, J. , Menevidis, Z. , Suwalski, I.

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Steuerungsintegration von Überwachungsverfahren

1995 , Spur, G. , Krüger, J. , Suwalski, I.

Integration of monitoring procedures into the CNC. The mounting demands made on the performance of modern machine tools require an ever growing amount of functionality to be included into the machine's environment. Here, monitoring of the machining process plays a vital part. This article discusses the criteria for integrating machine monitoring systems into the CNC and describes the resulting demands on the monitoring system and on open controls.

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CNC-integrierte Werkzeugüberwachung

1993 , Spur, G. , Krüger, J. , Suwalski, I. , Straubinger, W. , Heinrich, A.

The article introduces a procedure for the automatic recognition of tool wear and breakage which was developed in close cooperation between a lathe manufacturer and a research institute and was fully integrated into the control of different versions of automatic lathes. The procedure is beeing applied industrially since May of this year.

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Neuro-Fuzzy-Technologien zur Prozeßsicherung

1996 , Adam, W. , Suwalski, I. , Krüger, J.

Neuro-fuzzy technologies for process assurance. In the past, approaches for a solution of artificial intelligence have been applied to numerous problems occuring on the sector of automation engineering. After a phase of euphoria, the results obrained were frequently unsatisfactory. In the beginning of the nineties, the new concept "Neuro Fuzzy" emerged. The present article discusses principles and major methods at an example from the sector of tool monitoring.

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Ohne Sensoren geht's auch. Computergestützte Machinendiagnose. Tl.1.

1993 , Krüger, J. , Suwalski, I.

The complexity of machines in automated production is increasing steadyly. Thus the supervision of functions and the probable repair of faults is expensive. The article describes, how the computer can support for this task.

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Mit dem PC Fehler beheben. Computergestützte Maschinendiagnose. Tl.2.

1993 , Krüger, J. , Suwalski, I.

For the final inspection of machine, tests with different tools and applications have to be made. Nowadays, a PC can integrate a lot of this functions and can thus present a high amount of information in an advantegeous manner.

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Werkzeugüberwachung mit Neuro-Fuzzy-Methodik

1996 , Adam, W. , Suwalski, I. , Krüger, J.

Tool monitoring with the Neuro Fuzzy method. Intelligent systems are conquering wide areas of automation engineering. With their help, a number of partly complex tasks can be better solved than before. Today, Neuro Fuzzy techniques are among the currently discussed approaches in this area but they are not yet well established. The article describes the working procedure and application of a Neuro Fuzzy algorithm by taking an example from the tool monitoring sector.

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Sensorlose Werkzeugüberwachung für die CNC-Drehbearbeitung

1993 , Spur, G. , Krüger, J. , Suwalski, I.

Die im Beitrag vorgestellte Verwendung der Achsantriebsströme zur automatischen Werkzeugüberwachung stellt eine besonders kostengünstige Lösung dar. Dies liegt zum einen am Wegfall jeglicher Sonsorik, zum anderen an der ausschließlichen Nutzung der steuerungsinternen Prozessorkapazität. Bei der Drehbearbeitung ist mit den vorhandenen Softwaremodulen eine sichere Überwachung von Schrupp-, Plan- und Abstechvorgängen durch ein CNC-internes Softwarepaket möglich. Durch die Integration in die Steuerung ist die Kommunikation zwischen NC-Programm und Überwachungsroutine vereinfacht, wodurch bei Werkzeugbruch kürzeste Reaktionszeiten möglich sind. Minimierte Anforderungen an Speicher- und Prozessorkapazität schaffen die Voraussetzung für eine Implementierung in offene Steuerungssysteme.

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