The paper puts forth detailed optimization procedure for number of lobes of an innovative 'Low Cost' design of staircase climbing platform. Total new concept of specially designed wheels is put forth. The said configuration uses 'Lobbed' driving wheels with the shape of each lobe, conjugate with the profile of steps. There was an open choice to select number of lobes. Hence it was necessary to decide optimum number of lobes for the proposed design. Universal method of 'Design of Experiments' is used for the said optimization and the results are presented in last section of this paper.
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