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Sound Simulation and Visualization in virtual Manufacturing Systems

  • The noise issue in manufacturing system is widely discussed from legal and health aspects. Regarding the existing laws and guidelines, various investigation methods are implemented in industry. The sound pressure level can be measured and reduced by using established approaches in reality. However, a straightforward and low cost approach to study noise issue using existing digital factory models is not found. This thesis attempts to develop a novel concept for sound pressure level investigation in a virtual environment. With this, the factory planners are able to investigate the noise issue during factory design and layout planning phase. Two computer aided tools are used in this approach: acoustic simulation and virtual reality (VR). The former enables the planner to simulate the sound pressure level by given factory layout and facility sound features. And the latter provides a visualization environment to view and explore the simulation results. The combination of these two powerful tools provides the planners a new possibility to analyze the noise in a factory. To validate the simulations, the acoustic measurements are implemented in a real factory. Sound pressure level and sound intensity are determined respectively. Furthermore, a software tool is implemented using the introduced concept and approach. With this software, the simulation results are represented in a Cave Automatic Virtual Environment (CAVE). This thesis describes the development of the approach, the measurement of sound features, the design of visualization framework, and the implementation of VR software. Based on this know-how, the industry users are able to design their own method and software for noise investigation and analysis.

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Author:Xiang Yang
URN (permanent link):urn:nbn:de:hbz:386-kluedo-36687
Advisor:Jan Aurich
Document Type:Doctoral Thesis
Language of publication:English
Publication Date:2013/12/10
Date of first Publication:2013/11/28
Publishing Institute:Technische Universität Kaiserslautern
Granting Institute:Technische Universität Kaiserslautern
Acceptance Date of the Thesis:2013/02/26
Date of the Publication (Server):2013/12/16
Tag:Manufacturing System; Sound Simulation; Virtual Reality; Visualization
GND-Keyword:Manufacturing System; Sound Simulation; Virtual Reality; Visualization
Number of page:VI, 114
Source:Produktionstechnische Berichte aus dem FBK, Band 06/2013
Faculties / Organisational entities:Fachbereich Maschinenbau und Verfahrenstechnik
CCS-Classification (computer science):J. Computer Applications / J.6 COMPUTER-AIDED ENGINEERING / Computer-aided manufacturing (CAM)
DDC-Cassification:6 Technik, Medizin, angewandte Wissenschaften / 620 Ingenieurwissenschaften und Maschinenbau
Licence (German):Standard gemäß KLUEDO-Leitlinien vom 10.09.2012