Auflistung nach Schlagwort "Modelling"

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  • Abrasion monitoring and automatic chatter detection in cylindrical plunge grinding 
    Ahrens, M.; Fischer, R.; Dagen, M.; Denkena, Berend; Ortmaier, Tobias (Amsterdam : Elsevier, 2013)
    Using conventional grinding wheels, wheel-sided chatter vibration is one of the limiting factors in terms of productivity and surface finish. Initial vibration related to the dynamic behavior of the machine tool copy on ...
  • An Active Damping Method for Chatter Vibration in Plunge Grinding Using Electromagnetic Actuators 
    Ahrens, M.; Dagen, M.; Denkena, Berend; Ortmaier, Tobias (Amsterdam : Elsevier, 2016)
    Using conventional grinding wheels, self-excited vibrations are one of the most limiting factors in terms of productivity and process stability in cylindrical plunge grinding. Depending on the dynamic behavior of the ...
  • Automated extraction of the Antarctic coastline using snakes 
    Klinger, T.; Heipke, Christian; Ott, N.; Schenke, H.W.; Ziems, M. (Göttingen : Copernicus GmbH, 2010)
    In this paper we present an automatic approach for coastline detection from images which is based on parametric active contours (snakes). Snakes require the definition of an energy functional that reflects the underlying ...
  • A comparison of models to optimize Partial Rear Contact solar cells 
    Cuevas, Andres; Yan, Di; Haase, Felix; Petermann, Jan-Hendrik; Brendel, Rolf (Amsterdam : Elsevier, 2013)
    The optimization of solar cells with localized rear contacts usually requires numerical simulation. Here we compare Sentaurus Device to a simpler Conductive Boundary (CoBo) simulator and to an approximate Geometric model. ...
  • Design and Characterization of a 3D Printed Soft Pneumatic Actuator 
    Garcia Morales, Ditzia Susana; Ibrahim, Serhat; Cao, Benjamin-Hieu; Raatz, Annika (Cham : Springer, 2020)
    In soft robotics, the successful development of soft robots involves careful designing that can benefit from current technologies. The use of Finite Element Method (FEM) software and additive manufacturing is essential to ...
  • Estimation of Dynamic Grinding Wheel Wear in Plunge Grinding 
    Ahrens, M.; Damm, J.; Dagen, M.; Denkena, Berend; Ortmaier, T. (Amsterdam : Elsevier BV, 2017)
    Using conventional grinding wheels, self-excited vibrations are one of the most limiting factors in terms of productivity and process stability in cylindrical plunge grinding. Depending on the dynamic behavior of the ...
  • Evaluating The Ecological Sustainability Of Production Networks – A Data-based Approach 
    Schuh, Günther; Schmitz, Seth; Schlosser, Tino X.; Welsing, Martin (Hannover : publish-Ing., 2023)
    The design of global production networks influences the ecological sustainability of manufacturing operations, since it determines the environment with which a production process interacts. Historically sustainability has ...
  • Influence of the channel design on the heat and mass exchange of induction channel furnace 
    Baake, E.; Jakovics, A.; Pavlovs, S.; Kirpo, M. (Bingley : Emerald Group Publishing Ltd., 2011)
    Purpose - The purpose of this paper is to present in-depth numerical modelling of heat and mass exchange in industrial induction channel furnace (ICF). Design/methodology/approach - The turbulent heat and mass exchange in ...
  • Lateness in production systems - In a nutshell: How to determine the causes of lateness at work systems? 
    Mütze, Alexander; Hiller, Tobias; Nyhuis, Peter ([Amsterdam] : Elsevier ScienceDirect, 2024)
    Adherence to customer due dates is the yardstick for the performance of manufacturing companies. In the era of same-day delivery, consumers expect reliable delivery of ordered goods and short delivery times. Also, in the ...
  • A Linear Programming Model for Renewable Energy Aware Discrete Production Planning and Control 
    Adomat, Vincent; Kober, Christian; Ahanpanjeh, Maryam; Wulfsberg, Jens P. (Hannover : publish-Ing., 2023)
    Industrial production in the EU, like other sectors of the economy, is obliged to stop producing greenhouse gas emissions by 2050. With its Green Deal, the European Union has already set the corresponding framework in 2019. ...
  • Model assisted identification of N2O mitigation strategies for full-scale reject water treatment plants 
    Beier, M.; Feldkämper, I.; Freyschmidt, A. (Bristol : IWA Publishing, 2021)
    In a 3-year research project, a new approach to forecast biological N2O formation and emission at high-strength reject water treatment has been developed (ASM3/1_N2OISAH). It was calibrated by extensive batch-tests and ...
  • Model reduction of parasitic coupling networks of mixed-signal VLSI circuits 
    Ludwig, Stefan; Mathis, Wolfgang (Bingley : Emerald Group Publishing Ltd., 2011)
    Purpose: This paper aims to present a method for the efficient reduction of networks modelling parasitic couplings in very-large-scale integration (VLSI) circuits. Design/methodology/approach: The parasitic effects are ...
  • Model-based feedforward control in industrial robotics 
    Grotjahn, Martin; Heimann, Bodo (London : SAGE Publications Ltd., 2002)
    Simple linear joint controllers are still used in typical industrial robotic systems. The use of these controllers leads to non-negligible dynamic path deviations for applications that require high path accuracy. These ...
  • Modelling for Decision-making in Dynamical Line-less Assembly Systems 
    Grunert, Dennis; Göppert, Amon; Hort, Simon; Rachner, Jonas; Grahn, Lea; Schmitt, Robert H. (Hannover : publish-Ing., 2021)
    The shift towards electro mobility has a significant impact on the entire value chain of the automotive industry. The parallel production of Internal Combustion Engine, Battery Electric and Plug-in Hybrid Electric Vehicles ...
  • Multiple model approach to modelling of Escherichia coli fed-batch cultivation extracellular production of bacterial phytase 
    Roeva, Olympia; Pencheva, Tania; Tzonkov, Stoyan; Arndt, Michael; Hitzmann, Bernd; Kleist, Sofia; Miksch, Gerchard; Friehs, Karl; Flaschel, Erwin (Valparaiso : Pontificia Universidad Catolica de Valparaiso, 2007)
    The paper presents the implementation of multiple model approach to modelling of Escherichia coli BL21(DE3)pPhyt109 fed-batch cultivation processes for an extracellular production of bacterial phytase. Due to the complex ...
  • Multiple-model based verification of japanese road data 
    Ziems, M.; Fujimura, H.; Heipke, Christian; Rottensteiner, Franz (Göttingen : Copernicus GmbH, 2010)
    This paper describes a semi-automatic system for road verification from high resolution orthophotos in an urban context. The system combines several road detection and road verification approaches from current literature ...
  • A New Framework for Production Planning and Control to Support the Positioning in Fields of Tension Created by Opposing Logistic Objectives 
    Schmidt, Matthias; Schäfers, Philipp (Wuhan : Scientific Research Publishing, 2017)
    This paper presents an approach for modelling the connection between the tasks of production planning and control (PPC) and a supply chain’s logistic objectives. Therefore a new production planning and control framework ...
  • Numerical simulation of electromagnetic stirring in continuous casting of wires 
    Turewicz, P.; Baake, E.; Umbrashko, A. (Bingley : Emerald Group Publishing Ltd., 2011)
    Purpose - The purpose of this paper is to describe how electromagnetic stirring during continuous casting of ferrous and non-ferrous metals is applied in order to increase the homogeneity and the material properties by ...
  • Numerical studies of the melting process in the induction furnace with cold crucible 
    Umbrasko, A.; Baake, E.; Nacke, B.; Jakovics, A. (Bingley : Emerald Group Publishing Ltd., 2008)
    Purpose - Aims to present recent activities in numerical modeling of cold crucible melting process. Design/methodology/approach - 3D numerical analysis was used for electromagnetic problem and 3D large eddy simulation (LES) ...
  • Particle transport in recirculated liquid metal flows 
    Kirpo, M.; Jakovičs, A.; Nacke, B.; Baake, E. (Bingley : Emerald Group Publishing Ltd., 2008)
    Purpose - Aims to present recent activities in numerical modeling of turbulent transport processes in induction crucible furnace. Design/methodology/approach - 3D large eddy simulation (LES) method was applied for fluid ...