20.500.12556/RUL-127810 Optimization of running blade prosthetics utilizing crow search algorithm assisted by artificial neural networks Optimizacija listnate tekaške proteze z vraninim iskalnim algoritmom in podporo umetne nevronske mreže A crow search algorithm (CSA) was applied to perform the optimization of a running blade prosthetics (RBP) made of composite materials like carbon fibre layers and cores of acrylonitrile butadiene styrene (ABS). Optimization aims to increase the RBP displacement limited by the Tsai-Wu failure criterion. Both displacement and the Tsai-Wu criterion are predicted using artificial neural networks (ANN) trained with a database constructed from finite element method (FEM) simulations. Three different cases are optimized varying the carbon fibre layers orientations: -45°/45°, 0°/90°, and a case with the two-fibre layer orientations intercalated. Five geometric parameters and a number of carbon fibre layers are selected as design parameters. A sensitivity analysis is performed using the Garzon equation. The best balance between displacement and failure criterion was found with fibre layers oriented at 0°/90°. The optimal candidate with -45°/45° orientation presents higher displacement; however, the Tsai-Wu criterion was less than 0.5 and not suitable for RBP design. The case with intercalated fibres presented a minimal displacement being the stiffer RBP design. The damage concentrates mostly in the zone that contacts the ground. The sensitivity study found that the number of layers and width were the most important design parameters. optimization crow search algorithm artificial neural networks running blade prosthetics Tsai-Wu criterion finite element method optimizacija vranin iskalni algoritem umetne nevronske mreže tekaške listnate proteze kriterij Tsai-Wu metoda končnih elementov true false false Angleški jezik Slovenski jezik Članek v reviji 2021-06-23 11:43:57 2021-06-23 11:44:03 2022-09-06 03:53:15 0000-00-00 00:00:00 2021 0 0 Str. 88-100 no. 3 Vol. 67 Mar. 2021 0000-00-00 Zaloznikova Objavljeno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 615.477.2:519.6 0039-2480 67976707 RAZ_Rosel_Solis_Nanuel_Javier_2021.pdf RAZ_Rosel_Solis_Nanuel_Javier_2021.pdf 1 C71226BFD8D6D447A338BD922C029D5D 57b6279110d34d3021c84d7f08fe69d2f72e64b16320bd62398ad52049d03f42 9784fe85-d407-11eb-a523-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=144354 https://www.sv-jme.eu/sl/article/optimization-of-running-blade-prosthetics-by-means-of-crow-search-algorithm-assisted-by-artificial-neural-networks/ 1 70be5c65-d407-11eb-a523-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=144353 Fakulteta za strojništvo Strojniški vestnik 0 0 0