Browsing by Author "Bergfors, Linus"
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Item Energy efficiency optimisation in heat treatment process design(Springer New York LLC, 2013) Mendikoa, Iñigo; Sorli, Mikel; Armijo, Alberto; Garcia, Laura; Erausquin, Luis; Insunza, Mario; Bilbao, Jon; Friden, Hakan; Björk, Anders; Bergfors, Linus; Skema, Romualdas; Alzbutas, Robertas; Iesmantas, Tomas; RENOVABLES OFFSHORE; Tecnalia Research & Innovation; DIGITALIZACIÓN Y AUTOMATIZACIÓN DE LA CONSTRUCCIÓN; Centros PRE-FUSION TECNALIA - (FORMER)Information and Communication Technology (ICT) tools to support design in terms of energy efficiency optimisation are beginning to come into the market, in particular for energy savings and management in buildings, however little has yet been developed for manufacturing. The work here described is related to the enhancement of existing manufacturing process design methodology and tools with a set of ICT components developed allowing process knowledge based design, simulation and optimisation in terms of energy efficiency. In particular the work described is focused on the heat treatment process of steel casting parts. This process design traditionally consists of a suitable predefined temperature-time curve selection based on personal experience and given customer requirements (material and mechanical properties), yet this curve can actually be optimised in terms of energy consumption and maintenance cost, while keeping required mechanical properties.Item Energy efficient heat treatment process design and optimisation(Trans Tech Publications Ltd, 2014) Mendikoa, Iñigo; Sorli, Mikel; Armijo, Alberto; García, Laura; Erausquin, Luis; Insunza, Mario; Bilbao, Jon; Friden, Hakan; Björk, Anders; Bergfors, Linus; Skema, Romualdas; Alzbutas, Robertas; Iesmantas, Tomas; RENOVABLES OFFSHORE; Tecnalia Research & Innovation; DIGITALIZACIÓN Y AUTOMATIZACIÓN DE LA CONSTRUCCIÓN; Centros PRE-FUSION TECNALIA - (FORMER)Currently ICT (Information and Communication Technology) solutions are being developed for energy saving in buildings and, to some extent, for the manufacturing domain as well. This paper describes an approach and ICT tool developed for manufacturing process energy efficiency design and optimization, in particular focused on the heat treatment process of steel casting parts. Traditionally this manufacturing process is designed based on experts experience selecting a predefined temperature-time curve provided customer specifications for the resulting steel parts. However this curve can actually be optimised in terms of energy consumption while keeping required mechanical properties. This improved design is what the tool here described provides, using knowledge based approach for process design and multivariate optimisation and simulation techniques for process optimisation.