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Dive into the research topics where Patricia Stock is active.

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Featured researches published by Patricia Stock.


Archive | 2005

Integrating Human Aspects in Production Management

Gert Zülch; Harinder S. Jagdev; Patricia Stock

Human Resource Planning.- Modelling Human Systems in Support of Process Engineering.- Human Aspects of IT-Supported Performance Measurement System.- Competence and Preference-based Workplace Assignment.- Personnel Development and Assignment Based upon the Technology Calendar Concept.- Reorganising the Working Time System of a Call-Centre with Personnel-oriented Simulation.- Human Aspects in the Digital Factory.- Impact of the Digital Factory on the Production Planning Process.- Integrating Human Aspects into the Digital Factory.- Human Aspects in Manufacturing Process Management.- Human Aspects in Production Planning and Control.- Human Factors in Production Planning and Control.- Human Factors Aspects in Set-Up Time Reduction.- Influences of Human Operators on the Logistics of Manufacturing Cells.- Simulation of Disassembly and Re-assembly Processes with Beta-distributed operation Times.- Strategic Analysis of Products Related to the Integration of Human Judgement into Demand Forecasting.- Workplace Injury Risk Prediction and Risk Reduction Tools for Electronics Assembly Work.- Knowledge Management.- Effectiveness of Knowledge Management.- Practical Knowledge and Collaboration in Engineering.- Work Process Knowledge.- Knowledge Management Issues For Maintenance of Automated Production Systems.- Factory Planning Modules for Knowledge Sharing among Different Locations.- A Competence Approach in the Experience Feedback Process.- Management of Distributed Work.- Learning for an Agile Manufacturing.- Competency Development in Distributed Work Environments.- New Approach for Global Education - Simulating Supply Chains by Applying World Wide Web.- Overcoming Cultural Barriers in Distributed Work Environments.- Developing a Web Enabled Gaming Approach to Mediate Performance Skills in Interorganisational Learning and Collaboration to Engineers.- A Platform for Technical Consultation of Service Providers in Rapid Prototyping.- The Evolution of Outsourced Operations - A Five-Phase Model.- Service Engineering.- Implementing the Service Concept through Value Engineering.- Service Management in Production Companies.


A Quarterly Journal of Operations Research | 2007

Process Optimization and Efficient Personnel Employment in Hospitals

Gert Zülch; Patricia Stock; Jan Hrdina

The hospital field in Germany, with its 1.1 million employees and 62 billion Euro annual turnover (figures from 2001), represents a large and socially important field of activities [3, pp. 13]. If one considers the patients as “action object”, the work system (cf. [4, p. 81]) “hospital” is characterized by a number of particularities: First, treatment decision have to be made based on incomplete information and the treatment sequences must be carried out individually, meaning that they can only be planned to a limited degree. Furthermore, the complex treatment sequences must fulfil the treatment order reliably and efficiently. On the other hand, treatment processes must also take occupational health and safety and hygiene requirements of the medical and nursing personnel into account [10, p. 224].


APMS | 2005

Simulation of Disassembly and Re-assembly Processes with Beta-distributed operation Times

Jörg Fischer; Patricia Stock; Gert Zülch

In the case of designing or improving industrial disassembly and repair shops, a special characteristic to be considered is the stochastic nature of disassembly, diagnosis and re-assembly times. Because of this special characteristic, the reorganisation of such work systems shall be supported by using a simulation method which considers distributed operation times. A question to be answered is the type of distribution which should be used. The problem is that during the data collection phase of a simulation project, the parameters of the often suggested Normal- or Gamma-distribution are normally not available. In contrary the parameters of the Beta-distribution are easy to get, because it could be characterised by the optimistic, the pessimistic and the most common time value. The following investigates in which way the different distributions effect the quantitative evaluation of a modelled repair shop compared with fixed operation times. Finally disadvantages and advantages of the use of different distributions in a simulation study will be discussed.


APMS | 2005

Reorganising the Working Time System of a Call-Centre with Personnel-oriented Simulation

Patricia Stock; Gert Zülch

The configuration of a working time model is a very complex task due to the fact that different restrictions concerning work demands and employee preferences have to be taken into account. The use of a simulation tool is a promising approach as it allows for an objective, quantitative, efficient and prospective assessment of alternative working time models during the design phase. This paper presents a simulation study within a call-centre of manufacturer of electric devices.


Archive | 2013

Simulationsunterstützte Gestaltung flexibler Arbeitszeitmodelle

Michael Leupold; Patricia Stock; Gert Zülch

Zur Entwicklung eines Arbeitszeitmodells mussen die verschiedensten Rahmenbedingungen des betrachteten Betriebsbereiches berucksichtigt werden. Neben gesetzlichen und tariflichen Bestimmungen und arbeitswissenschaftlichen Empfehlungen konkurrieren hierbei betriebliche, mitarbeiter- und kundenorientierte Ziele miteinander (Knauth 2002, S. 51 ff.) [1], wodurch sich i.d.R. nicht alle Ziele in gleichem Mase realisieren lassen. Erschwert wird die Arbeitszeitgestaltung zudem dadurch, dass meist nicht nur ein einzelnes Arbeitszeitmodell, sondern ein Arbeitszeitsystem gefunden werden soll. Unter diesem Begriff versteht man die Zusammenstellung aller Arbeitszeitmodelle im betrachteten Betriebsbereich.


International Journal of Production Research | 2012

Reactive manufacturing control using the ant colony approach

Patricia Stock; Gert Zülch

As a reaction to the volatile market demands with regards to the number and variants of products offered, ever more complex procedures for manufacturing control are being developed. Most recently, self-organising procedures, which often mimic the behaviour of natural systems, have arisen. The method of ant colony optimisation (ACO), which was inspired by ants, can provide the necessary fundamentals in order to realise self-organising manufacturing control. In this context, the ifab-Institute has developed the AntControl tool for self-organising manufacturing control based on ACO. In order to investigate the potential of ACO, several concepts have been developed and integrated into the existing OSim simulation tool to create the new OSim-Ant tool. An exemplary simulation study within a manufacturing system has been carried out to evaluate the behaviour of AntControl. This paper presents this tool as well as the results of the simulation study.


IFAC Proceedings Volumes | 2006

Holonic manufacturing control using multi ant colony systems

Gert Zülch; Patricia Stock

Abstract The complexity of production management as well as manufacturing control has advanced exceptionally in the past years. In order to cope with the perpetually changing requirements, novel concepts and procedures have been developed. Since the beginning of the nineties, the trend is moving to self-organizing concepts of manufacturing control, like the holonic manufacturing. The Multi Ant Colony Systems, which are inspired by biological ants, can provide the necessary fundamentals in order to realise a holonic manufacturing control. This papers presents a procedure for the short-term, operative manufacturing control based on the Multi Ant Colony Systems.


Archive | 2004

Simulationsbasierte Gestaltung von Arbeitszeitmodellen im industrienahen Dienstleistungsbereich

Gert Zülch; Patricia Stock; Thomas Bogus; Jörg Fischer; Marco Steih

Seit einigen Jahren ist die Organisationsentwicklung im Bereich der Stuckguter-industrie durch zwei Trends gekennzeichnet: Einerseits handelt es sich darum, den gesamten Lebenszyklus eines Erzeugnisses von der Erzeugnisentwicklung und -herstellung uber die Nutzungsphase bis zum Recycling zu begleiten. Des Weiteren ist man bestrebt, nicht nur Erzeugnisse herzustellen und abzusetzen, sondern dies mit Dienstleistungen zu verbinden. Es wird damit nicht nur das eigentliche Erzeugnis angeboten, sondern letztlich dessen Nutzung. Dies kann als ein Trend zu einem erweiterten Erzeugniskonzept bezeichnet werden (vgl. Abb. 1).


Arbeitszeit - Zeitarbeit : Flexibilisierung der Arbeit als Antwort auf die Globalisierung. Hrsg.: M. Bornewasser | 2013

Belastungen und Beeinträchtigungen der Work-Life-Balance durch Arbeitszeitflexibilisierung

Patricia Stock; Gert Zülch

Als „Arbeitszeitmodell“ wird die Festlegung von definierten Gestaltungselementen, wie z. B. Dauer und Lage der Arbeitszeit, verstanden (vgl. REFA 1997, S. 45) [1]. Dabei konnen in einem Betrieb oder in einer Abteilung verschiedene Arbeitszeitmodelle gleichzeitig gelten. Unter dem Begriff „Arbeitszeitsystem“ wird eine solche Gesamtheit der in einer Organisationseinheit praktizierten Arbeitszeitmodelle bezeichnet (Bogus 2002, S. 29) [2].


Archive | 2010

Integrationsaspekte der Simulation: Technik, Orgnisation und Personal, Karlsruhe, 7. und 8. Oktober 2010 = Integration Aspects of Simulation: Equipment, Organization and Personnell, Karlsruhe, 7th and 8th October 2010

Gert Zülch; Patricia Stock

Die Integration technischer, organisatorischer und personalorientierter Aspekte in Simulationsverfahren ist das Leitthema der 14. Fachtagung der Arbeitsgemeinschaft Simulation (ASIM) innerhalb der Gesellschaft fur Informatik, die vom Institut fur Arbeitswissenschaft und Betriebsorganisation im Oktober 2010 ausgerichtet wurde. Der vorliegende Tagungsband gibt somit einen vertiefenden Einblick in neue Entwicklungen und Beispiele guter Praxis der Simulation uber den deutschsprachigen Raum hinaus.

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Gert Zülch

Karlsruhe Institute of Technology

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Thomas Bogus

Karlsruhe Institute of Technology

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Michael Leupold

Karlsruhe Institute of Technology

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Jan Hrdina

Karlsruhe Institute of Technology

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Jörg Fischer

Karlsruhe Institute of Technology

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Thilo Gamber

Karlsruhe Institute of Technology

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