منابع مشابه
Lattices and collaborative design in shipbuilding
Outsourcing and offshoring have become viable strategies of global firms. The success and necessity of usage of these strategies is stipulated by quick development in information and communication technlogies. The prior research has shown that firms which use offshoring have better chances to survive than firms which rely solely on domestic suppliers and performing works in-house. The paper con...
متن کاملMultiobjective design of sewer networks
The sewer layout in flat areas significantly influences the construction and operational costs as well as reliability of the network performance. To find an optimum design of sewer networks for flat areas, this study presents a multi-objective optimization problem with the objective functions of 1- the cost and 2- the reliability. The reliability criterion is defined as the effect of a clogging...
متن کاملOptimum Design of Sewer Collection Networks
Various methods have been used to economically design wastewater and stormwater collection systems. In this article, Discrete Differential Dynamic Programming (DDDP) which is a subsection of dynamic programming (DP) was used. For each pipe network, various alternatives such as depth and slope of pipe laying and various diameters could be considered to satisfy hydraulic and engineering constrain...
متن کاملOptimum Design of Sewer Collection Networks
Various methods have been used to economically design wastewater and stormwater collection systems. In this article, Discrete Differential Dynamic Programming (DDDP) which is a subsection of dynamic programming (DP) was used. For each pipe network, various alternatives such as depth and slope of pipe laying and various diameters could be considered to satisfy hydraulic and engineering constrain...
متن کاملRecognizing shipbuilding parts using artificial neural networks and Fourier descriptors
A pattern recognition system is described for recognizing shipbuilding parts using artificial neural networks and Fourier descriptors. The system uses shape contour information that is invariant of size, translation, and rotation. Fourier descriptors provide information, and the neural networks make decisions about the shapes. A brief review of the current state of the art is included, and resu...
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ژورنال
عنوان ژورنال: Procedia CIRP
سال: 2019
ISSN: 2212-8271
DOI: 10.1016/j.procir.2019.02.093