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Dive into the research topics where Hans-Georg Köpken is active.

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Featured researches published by Hans-Georg Köpken.


Production Engineering | 2010

Chatter suppression with an active workpiece holder

Christian Brecher; Dodwell Manoharan; Uwe Ladra; Hans-Georg Köpken

The productivity of machine tools is often limited due to chatter vibrations caused by relative displacements between the tool and the workpiece. The following article presents the systematic approach of the integration of an active workpiece holder with two high dynamic axes controlled by piezoelectric actuators onto a milling machine. With these additional highly dynamic axes near the tool center point, the active workpiece holder offers possibilities to prevent chatter vibrations.


IEEE Transactions on Industry Applications | 2013

Industrialization of AMB Systems With Standard Drive Technology

Joachim Denk; Dietmar Stoiber; Hans-Georg Köpken; Hartmut Walter

Around two decades ago, active magnetic bearings (AMBs) were introduced into oil and gas applications but never gained any relevant market share in large turbomachinery drive trains. This paper discusses how standard drive technology from machine tool applications can be used to control AMB systems. As a proof of the concept, results of prototype testing with a 5-MW induction motor are presented.


Automatisierungstechnik | 2015

Aktive Magnetlagerung für Turbomaschinen auf Basis von Standardantriebstechnik

Joachim Denk; Hans-Georg Köpken; Dietmar Stoiber; Frank Viering

Zusammenfassung Dieser Artikel beschreibt, wie zuverlässige Standardantriebsregelungstechnik und Standardleistungsteile, die in Werkzeugmaschinenanwendungen in hoher Stückzahl zum Einsatz kommen, genutzt werden können, um Magnetlager in Turbomaschinenanwendungen anzusteuern. Als Nachweis für die Tragfähigkeit des Ansatzes werden Ergebnisse von Prototypentests mit einem 5-MW-Asynchronmotor sowie eine Kundenprototypenanwendung mit einem 23-MW-Kompressorstrang präsentiert.


Archive | 2006

Roller Drive and Roller Transportation Device

Hans-Peter Krätz; Hans-Georg Köpken; Markus Müller; Günter Schwesig


Archive | 2006

Roller drive and roller transport device

Hans-Peter Krätz; Hans-Georg Köpken; Markus Müller; Günter Schwesig


Archive | 2006

Ermittlungsverfahren für ein Lagesignal

Roland Finkler; Hans-Georg Köpken


Archive | 2007

Magnetic bearing control device having a three-phase converter, and use of a three-phase converter for controlling a magnetic bearing

Joachim Denk; Hans-Georg Köpken; Dietmar Stoiber; Bernd Wedel


Archive | 2005

Method for The Evaluation of a First Analog Signal and a Second Analog Signal, and Evaluation Circuit Corresponding Therewith

Hans-Georg Köpken


Archive | 2012

Antriebssystem für ein batteriebetriebenes Fahrzeug

Hans-Georg Köpken; Stefan Völkel; Benno Weis


Archive | 2012

DRIVE SYSTEM AND METHOD FOR OPERATING SUCH A DRIVE SYSTEM

Hans-Georg Köpken; Günter Schwesig

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