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A pareto-based genetic algorithm search approach to handle damped natural frequency constraints in turbo Generator rotor system design
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Material- och solidmekanik.ORCID-id: 0000-0001-6016-6342
2004 (engelsk)Inngår i: Journal of engineering for gas turbines and power, ISSN 0742-4795, E-ISSN 1528-8919, Vol. 126, nr 3, s. 619-625Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The detailed design of a turbo generator rotor system is highly constrained by feasible regions for the damped natural frequencies of the system. A major problem for the designer is to find a solution that fulfills the design criterion for the damped natural frequencies. The bearings and some geometrical variables of the rotor are used as the primary design variables in order to achieve a feasible design. This paper presents an alternative approach to search for feasible designs. The design problem is formulated as an optimization problem and a genetic algorithm (GA) is used to search for feasible designs. Then, the problem is extended to include another objective (i.e., multiobjective optimization) to show the potential of using the optimization formulation and a Pareto-based GA in this rotordynamic application. The results show that the presented approach is promising as an engineering design tool

sted, utgiver, år, opplag, sider
2004. Vol. 126, nr 3, s. 619-625
HSV kategori
Forskningsprogram
Datorstödd maskinkonstruktion; Hållfasthetslära
Identifikatorer
URN: urn:nbn:se:ltu:diva-14956DOI: 10.1115/1.1760529ISI: 000223466200020Lokal ID: e66541d0-6f64-11db-962b-000ea68e967bOAI: oai:DiVA.org:ltu-14956DiVA, id: diva2:987929
Merknad
Validerad; 2004; 20060924 (cira)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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Angantyr, AndersAidanpää, Jan-Olov
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