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Dive into the research topics where Nina Fietz is active.

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Featured researches published by Nina Fietz.


Proceedings of SPIE | 2012

Industrial Raman mapping spectroscopy for mining applications

Martin De Biasio; Thomas Arnold; Gerald McGunnigle; Raimund Leitner; Andreas Tortschanoff; Nina Fietz; Lars Weitkämper; Dirk Balthasar; Volker Rehrmann

A Raman mapping system for detecting and discriminating minerals such as dolomite, marble, calcite and pyrite is demonstrated. The system is built from components that are suitable for industrial conditions. Together with a signal processing and a classier the system was shown to be capable of discriminating between several important classes of mineral. The technique is a potential alternative to sensing methods currently used for mineral sorting.


Archive | 2014

LIBS - A New Approach on Automating Extraction Machinery in Firedamp Atmospheres

Karl Nienhaus; Nina Fietz

The efficient extraction of mineral and coal deposits without the presence of humans has been a topic of special interest within the last years. Reasons for that are various. Among them are the efforts to reduce wear and tear of the equipment as well as to optimize extraction processes and the safety of the personnel.


Archive | 2018

Konzept für die explosionsgeschützte Materialanalyse von Staub-Wasser-Gemischen

Nina Fietz; Oliver Langefeld; Karl Nienhaus


Mining report | 2017

Acoustic Emission Technology and Thermal Imaging for Material Flow Characterization in Mining

Tobias Vraetz; Nina Fietz; Ralph Baltes; Karl Nienhaus


Mining report | 2016

Latest Developments in LIBS for Distinction of Coal and Waste Rock in Explosive Areas

Nina Fietz; Thomas Bartnitzki


SME Annual Conference & Expo | 2015

Pushing automation of shearer loaders to the next level : Horizon control through usage of cutting-induced dust

Nina Fietz; Thomas Bartnitzki; Karl Nienhaus


World of mining, surface & underground | 2014

Developments and emerging applications of activated rock excavation technologies

Karl Nienhaus; Nina Fietz; Matthias Philipp


Mining report : Glückauf | 2014

Nutzbarmachung von Staub in Strebbetrieben mit schneidenden Gewinnungsmaschinen

Karl Nienhaus; Nina Fietz; Matthias Philipp


16th IFAC Symposium on Control, Optimization and Automation in Mining, Minerals and Metal Processing | 2014

Studies on the feasibility of laser-induced breakdown spectroscopy in explosion proof atmospheres

Karl Nienhaus; Nina Fietz; Thomas Bartnitzki


10. Aachener Kolloquium für Instandhaltung, Diagnose und Anlagenüberwachung | 2014

Möglichkeiten zur Nutzbarmachung von Kohlestäuben für die Automatisierung von Walzenladern

Nina Fietz; Karl Nienhaus

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Dirk Balthasar

University of Koblenz and Landau

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Volker Rehrmann

University of Koblenz and Landau

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