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Grading the PVC material by solving a static inverse problem with genetic algorithm

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mec_Vol2_N52_11-16_Puisa.pdf (408.8Kb)
Date
2005
Author
Puiša, Romanas
Belevičius, Rimantas
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Abstract
When developing hi-tech medical equipment the exact technical properties of its components must be known. Such an equipment as volumetric pump uses peristaltic mechanism compressing an intro-vein set, which is made from PVC material. Since needed mechanical properties of PVC material are not provided by its manufacturer, we aimed at finding them by solving an inverse static problem. The inverse problem appeared to be an optimization problem, therefore Genetic algorithm was chosen as an optimizer, which also let to investigate the problem landscape. In addition, a study of mechanical properties of PVC material helped to calculate optimal stiffness of the springs used in the mentioned peristaltic mechanism.
 
Projektuojant medicinos įrangą, būtina žinoti jos komponentų mechanines savybes. Tokia įranga, pvz., voliumetrinis siurblys, naudoja peristaltinį mechanizmą, suspaudžiantį vadinamąjį IV agregatą, gaminam1 iš PVC. Kadangi gamintojas PVC mechaninių savybių nenurodo, bandyta jas nustatyti sprendžiant atvirkštinį statinį uždavinį. Atvirkštinis uždavinys faktiškai yra optimizavimo uždavinys, kuriam spręsti parinktas genetinis algoritmas, kartu leidžiantis ištirti ir uždavinio tikslo funkcijos pavidalą. Be to, kartu apskaičiuotas ir optimalus peristaltinio mechanizmo spyruoklių standis.
 
Issue date (year)
2005
URI
https://etalpykla.vilniustech.lt/handle/123456789/139072
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  • Straipsniai Web of Science ir/ar Scopus referuojamuose leidiniuose / Articles in Web of Science and/or Scopus indexed sources [7946]

 

 

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