Application of MOORA and MEREC methods to select the best schema of scissors mechanisms
446 viewsDOI:
https://doi.org/10.54939/1859-1043.j.mst.FEE.2022.177-184Keywords:
Lift table; Optimal design; MCDM; MOORA method; MEREC method.Abstract
A lift table is a very common device in industry. To lift goods or people, this device employs a scissors mechanism. There are numerous designs for the scissors mechanism. Each schema will produce a different set of output responses when given the same set of input parameters. As a result, determining the best scheme is critical when designing an optimal lift table. The results of a study that used the multi-criteria decision making (MCDM) technique to determine the best scheme for designing a lift table to meet two criteria at the same time: minimum lifting time and maximum lifting force are presented in this paper. To achieve this, nine different scissor lifting mechanism diagrams were analyzed using the Multi-Objective Optimization Ratio Analysis (MOORA) method to solve the MCDM problem and the Method based on the Removal Effects of Criteria (MEREC) to calculate the weights of criteria. Finally, the most effective lift table design scheme has been suggested.
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