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    Item type:Publication, Access status: with files ,
    Analyse und Optimierung von Suchvorgängen in der industriellen Produktion
    (2023)
    Steenwerth, Philipp
    ;
    Lödding, Hermann
    In industrial production, search processes appear whenever material or information is needed. Although searching is a fundamental activity within production processes, existing models within production management are not capable of analyzing search processes. This work presents an approach for modeling industrial search processes and describes an analysis procedure for evaluating search efforts in production. In addition, an improvement procedure for systematically deriving measures to reduce search efforts is described. The entire method was successfully applied and evaluated in a low-volume, high-variance production environment.
    Publicationtype: Doctoral Thesis
      71  198
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    Item type:Publication, Access status: without files ,
    Sensorgestützte Analyse der Maschinenbedienung in der Kleinserienfertigung
    (2022)
    Steenwerth, Philipp
    ;
    Lödding, Hermann
    This paper describes an approach to simultaneously analyze the labour and machine productivity at machine worksta-tions using low-cost technologies and existing data sources. The concept is based on combining information from different data sources and deriving status information for both the machine and the worker. For this purpose, a web application was developed that allows the analysis to be configured for each use case. The core of the analysis is the recording of defined events by suitable sensors, existing information sources (e. g. machine data collection) and a web app. Within the application, the analysis data is auto-matically processed and visualized. The waiting times per machine and worker are highlighted. In addition, the composition of the waiting times is evaluated. The modular structure and the use of low-cost technologies enable an efficient and economical analysis of machine workplaces.
    Publicationtype: Journal Article
      49
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    Item type:Publication, Access status: without files ,
    A Generic Approach to Model and Analyze Industrial Search Processes
    (2019)
    Steenwerth, Philipp
    ;
    Lödding, Hermann
    Search processes are omnipresent. In the field of industrial production they occur whenever material or information is needed. While searching is a fundamental activity within production processes, existing models and methods in the field of production management are not designed for modelling or analyzing industrial search processes. This paper presents a generic phase model that can be used to describe industrial search processes. Furthermore, an analysis method is proposed to determine and prioritize fields of action for the optimization of search processes.
    Publicationtype: Conference Paper
      204