Documents disponibles écrits par cet auteur

New paradigm for supporting life-cycle engineering / Naka Yuji in Industrial & engineering chemistry research, Vol. 50 N° 9 (Mai 2011) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 50 N° 9 (Mai 2011) . - pp. 4907-4914 Titre : New paradigm for supporting life-cycle engineering Type de document : texte imprimé Auteurs : Naka Yuji, Auteur Année de publication : 2011 Article en page(s) : pp. 4907-4914 Note générale : Chimie industrielle Langues : Anglais (eng) Mots-clés : Life  cycle  (environment) Résumé : Existing engineering strategies have been developed for how to support lean production by considering product quality and safety protection design. Consequently, plant operations become sophisticated. In addition, social requirements such as safety regulations as well as new market demands force planets and/or their operations to be revamped so as to satisfy demands. There are few methodologies to support life-uycle engineering (LCE) as a whole. Therefore, we have proposed a concept to support LCE and relevant engineering environments at PSE-ESCAPE, Trondheim, in 1997 (Lu et al., 1997). This paper describes our engineering scope for supporting Plant Life-Cycle Engineering with safety-conscious production based on relationships of methodology development and the Engineering Activity Model (EAM) and reports some of our results. DEWEY : 660 ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=24128623 [article] New paradigm for supporting life-cycle engineering [texte imprimé] / Naka Yuji, Auteur . - 2011 . - pp. 4907-4914. Chimie industrielle Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 50 N° 9 (Mai 2011) . - pp. 4907-4914 Mots-clés : Life  cycle  (environment) Résumé : Existing engineering strategies have been developed for how to support lean production by considering product quality and safety protection design. Consequently, plant operations become sophisticated. In addition, social requirements such as safety regulations as well as new market demands force planets and/or their operations to be revamped so as to satisfy demands. There are few methodologies to support life-uycle engineering (LCE) as a whole. Therefore, we have proposed a concept to support LCE and relevant engineering environments at PSE-ESCAPE, Trondheim, in 1997 (Lu et al., 1997). This paper describes our engineering scope for supporting Plant Life-Cycle Engineering with safety-conscious production based on relationships of methodology development and the Engineering Activity Model (EAM) and reports some of our results. DEWEY : 660 ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=24128623

Optimizing control of CSTR/distillation column processes with one material recycle / Hiroya Seki ; Naka Yuji in Industrial & engineering chemistry research, Vol. 47 n°22 (Novembre 2008) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 47 n°22 (Novembre 2008) . - p. 8741–8753 Titre : Optimizing control of CSTR/distillation column processes with one material recycle Type de document : texte imprimé Auteurs : Hiroya Seki, Auteur ; Naka Yuji, Auteur Année de publication : 2008 Article en page(s) : p. 8741–8753 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : CSTR/Distillation Résumé : Control system design for recycle processes that are composed of a continuous stirred tank reactor (CSTR) and a distillation column is discussed. It is shown that the reflux ratio control, which has been known to serve as a self-optimizing control for the process with the elementary chemistry A → B, can be also applied to processes with more-general types of chemistry that involves side reactions. Using the self-optimizing control as the basis, control systems that seek economically optimal operations are hierarchically constructed for example processes with different types of process chemistry. Particularly, for a process that exhibits tradeoff between product yield and separation cost, a linear model predictive controller design example is given with simulation results. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie800183a [article] Optimizing control of CSTR/distillation column processes with one material recycle [texte imprimé] / Hiroya Seki, Auteur ; Naka Yuji, Auteur . - 2008 . - p. 8741–8753. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 47 n°22 (Novembre 2008) . - p. 8741–8753 Mots-clés : CSTR/Distillation Résumé : Control system design for recycle processes that are composed of a continuous stirred tank reactor (CSTR) and a distillation column is discussed. It is shown that the reflux ratio control, which has been known to serve as a self-optimizing control for the process with the elementary chemistry A → B, can be also applied to processes with more-general types of chemistry that involves side reactions. Using the self-optimizing control as the basis, control systems that seek economically optimal operations are hierarchically constructed for example processes with different types of process chemistry. Particularly, for a process that exhibits tradeoff between product yield and separation cost, a linear model predictive controller design example is given with simulation results. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie800183a