[논문]Estimating Production Metric for Ship Assembly Based on Geometric and Production Information of Ship Block Model

Choi, Won-Seok; Kim, Dong-Ham; Nam, Jong-Ho; Kim, Min-Jun; Son, Young-Bin

doi:10.3390/jmse9010039

Estimating Production Metric for Ship Assembly Based on Geometric and Production Information of Ship Block Model 원문보기

Journal of marine science and engineering, v.9 no.1, 2021년, pp.39 -

Choi, Won-Seok (Naval Architecture and Ocean Systems Engineering, Korea Maritime & Ocean University, Busan 49112, Korea) , Kim, Dong-Ham (Autonomous & Intelligent Maritime Systems Research Division, Korea Research Institute of Ships & Ocean Engineering, Daejeon 34103, Korea) , Nam, Jong-Ho (Naval Architecture and Ocean Systems Engineering, Korea Maritime & Ocean University, Busan 49112, Korea) , Kim, Min-Jun (Naval Architecture and Ocean Systems Engineering, Korea Maritime & Ocean University, Busan 49112, Korea) , Son, Young-Bin (Naval Architecture and Ocean Systems Engineering, Korea Maritime & Ocean University, Busan 49112, Korea)

Abstract ▼ AI-Helper

To secure technological competitiveness in shipbuilding and offshore industries, the continuous application and development of various technologies is essential. Efficient scheduling in shipyards is an important management task, whereby materials and manpower are allocated at the appropriate time and to the correct workspace. Although some large shipyards ensure effective scheduling and production management through simulations employing advanced technologies, most shipbuilding industries, including small- and medium-sized shipyards, continue to use an index based on past experiences. However, this legacy index, termed the basic unit, involves poor engineering logic; therefore, it does not appropriately reflect a shipyard’s working environment, which changes rapidly in response to technological developments. Although this has led to a demand for improvements in the basic unit, a clear solution has not been presented thus far. In this study, a method for calculating the man-hours required for assembly, which is the basis for preparing the basic unit, is proposed. First, the assembly process is analyzed, and individual activities involved in the assembly process are quantified and formulated into working hours, which is defined as a production metric. Based on a ship’s computerized block model, the geometric properties and production information required for calculating the metric are generated automatically as far as possible; this is to establish a convenient production metric calculation system. The proposed method features complete applicability in new shipyards through a customization. It also serves as a tool for predicting the metric of new ships or comparisons with those of existing ships.

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Estimating Production Metric for Ship Assembly Based on Geometric and Production Information of Ship Block Model 원문보기

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Estimating Production Metric for Ship Assembly Based on Geometric and Production Information of Ship Block Model 원문보기

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