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Production line, taking on the most production task, is the important part in manufacturing enterprise. Under determinate resource, the running state of the production line has a great impact on the production capacity. This paper, aiming the aero-engine casing production line, makes a systematic study on production line simulation, builds the model of aero-engine casing production line, and makes...
Digital factory is a new technology to construct a virtual plant framework to integrate manufacturing process planning with manufacturing execution. Object-Oriented technology is introduced to simulate complicated discrete production system. And a virtual factory is constructed in digital environment. In this paper, manufacturing resource library is built to manage manufacturing equipments and all...
Digital factory is a new technology to construct a virtual plant environment to implement integration between process planning and manufacturing execution. Object-oriented technology is introduced to simulate complicated discrete-events system with constructing four basic objects including product, process, planning and resource in digital factory environment. Especially manufacturing resource library...
Advanced manufacturing and network technologies have impacted on every aspect of product development significantly. Meanwhile, the increasing product complexity and globalization manufacturing bring manufacturing enterprise to adapt advance manufacturing mode and some digital technology for satisfying new requirement. In order to satisfy the production development requirements, a lot of precious manufacturing...
The gaps between the metafrontier production function and the firm-specific frontier production function is caused mainly by the technology heterogeneity or the difference in technology and production techniques employed by different firms. Different from the routine way to estimate the technology gaps by data envelopment analysis, this study uses the varying coefficients regression model to estimate...
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