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Visualization for Simulation-Based Decision Support in Manufacturing

  • Nowadays, the increasing demand for ever more customizable products has emphasized the need for more flexible and fast-changing manufacturing systems. In this environment, simulation has become a strategic tool for the design, development, and implementation of such systems. Simulation represents a relatively low-cost and risk-free alternative for testing the impact and effectiveness of changes in different aspects of manufacturing systems. Systems that deal with this kind of data for its use in decision making processes are known as Simulation-Based Decision Support Systems (SB-DSS). Although most SB-DSS provide a powerful variety of tools for the automatic and semi-automatic analysis of simulations, visual and interactive alternatives for the manual exploration of the results are still open to further development. The work in this dissertation is focused on enhancing decision makers’ analysis capabilities by making simulation data more accessible through the incorporation of visualization and analysis techniques. To demonstrate how this goal can be achieved, two systems were developed. The first system, viPhos – standing for visualization of Phos: Greek for light –, is a system that supports lighting design in factory layout planning. viPhos combines simulation, analysis, and visualization tools and techniques to facilitate the global and local (overall factory or single workstations, respectively) interactive exploration and comparison of lighting design alternatives. The second system, STRAD - standing for Spatio-Temporal Radar -, is a web-based systems that considers the spatio/attribute-temporal analysis of event data. Since decision making processes in manufacturing also involve the monitoring of the systems over time, STRAD enables the multilevel exploration of event data (e.g., simulated or historical registers of the status of machines or results of quality control processes). A set of four case studies and one proof of concept prepared for both systems demonstrate the suitability of the visualization and analysis strategies adopted for supporting decision making processes in diverse application domains. The results of these case studies indicate that both, the systems as well as the techniques included in the systems can be generalized and extended to support the analysis of different tasks and scenarios.

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Author:Diana Fernandez-Prieto
URN (permanent link):urn:nbn:de:hbz:386-kluedo-52720
Advisor:Hans Hagen, Bahram Ravani, Jan Aurich
Document Type:Doctoral Thesis
Language of publication:English
Publication Date:2018/05/30
Year of Publication:2018
Publishing Institute:Technische Universität Kaiserslautern
Granting Institute:Technische Universität Kaiserslautern
Acceptance Date of the Thesis:2018/03/26
Date of the Publication (Server):2018/05/30
Tag:Decision Support Systems; Manufacturing; Simulation; Visualization
Number of page:VIII, 124
Faculties / Organisational entities:Fachbereich Informatik
CCS-Classification (computer science):H. Information Systems / H.4 INFORMATION SYSTEMS APPLICATIONS
H. Information Systems / H.5 INFORMATION INTERFACES AND PRESENTATION (e.g., HCI) (I.7) / H.5.m Miscellaneous (NEW)
I. Computing Methodologies / I.3 COMPUTER GRAPHICS / I.3.8 Applications
I. Computing Methodologies / I.6 SIMULATION AND MODELING (G.3) / I.6.6 Simulation Output Analysis
I. Computing Methodologies / I.6 SIMULATION AND MODELING (G.3) / I.6.7 Simulation Support Systems
DDC-Cassification:0 Allgemeines, Informatik, Informationswissenschaft / 004 Informatik
Licence (German):Creative Commons 4.0 - Namensnennung, nicht kommerziell, keine Bearbeitung (CC BY-NC-ND 4.0)