Application of Ubiquitous Computing Technology to the Steel-Plate Piling Process of Ship Construction
A gigantic ship is constructed by assembling various types of ship blocks, each of which is made by the cut and paste of the steel-plates. The steel-plate piling process as the very initial stage of ship construction sorts and manages the steel-plates acc
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Abstract. A gigantic ship is constructed by assembling various types of ship blocks, each of which is made by the cut and paste of the steel-plates. The steelplate piling process as the very initial stage of ship construction sorts and manages the steel-plates according to the ship blocks that the steel-plates are used to make. This process poses some problems such as process delay due to piling errors, safety vulnerability due to the handling of extra heavy-weight objects, and the uncertainty of work plan caused by lack of information in the pile spaces. We constructed a steel-plate piling process system by employing the ubiquitous computing technology to resolve such problems. The system was experimented on a work simulator that can simulate the steel-plate piling process. Workers can receive an appropriate or intelligent service through the context information of the smart work space that is managed in real time. Keywords: Smart space, context, ubiquitous, manufacturing, ship construction.
1 Introduction The interest in applications of the ubiquitous computing (hereafter referred to as UbiCom) technology to various industrial fields including manufacturing plants and construction facilities has been increasing. One application is the bridge monitoring system that monitors the safety status of a bridge and gives a timely warning against lapses in regular maintenance [1]. We apply the ubiquitous computing technology to the steel-plate piling process, the initial stage of ship construction that has been known as a bottleneck degrading ship construction productivity severely. The UbiCom environment advocated by Mark Weiser [2] was defined as "the computing and information environment where human beings receive an intelligent service according to the current situation, and work efficiency and knowledge sharing are improved by realizing the integration of computers, objects, human beings, and information through the computing elements pervaded into the physical objects spread in our daily life" [3]. The UbiCom environment includes a parsing agent that interprets the meaning of environmental data, a context-aware agent that produces a *
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This research was supported by the Ministry of Information and Communication, Korea, under the ITRC(Information Technology Research Center) support program supervised by the IITA(Institute of Information Technology Assessment)(IITA-2007_C1090-0701-0039)). Corresponding author.
N.T. Nguyen et al. (Eds.): KES-AMSTA 2008, LNAI 4953, pp. 624–633, 2008. © Springer-Verlag Berlin Heidelberg 2008
Application of Ubiquitous Computing Technology to the Steel-Plate Piling Process
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context, the collection of information resulted from the analysis and synthesis of the data obtained from environment, and a service providing agent that provides an intelligent service by exploiting the contexts [4]. Although there have been researches related to the UbiCom technology, MS EasyLiving [5, 6], iRoom [7], AwareHome [8], HP CoolTown [9], and MIT Oxygen [10] were constructed to conduct fundamental o
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