The Effect of Minimum Actuation Limit in Shape Control of a Single-Layer Dome Frame
DOI:
https://doi.org/10.23918/eajse.v10i1p7Keywords:
Dome Structures, Actuators, Actuation, Optimization, Structural ControlAbstract
This paper describes the significance of the minimum actuation limit per actuator while controlling the shape of a single-layer frame dome. The algorithms that perform optimum shape controlling allow the user to assign the minimum allowable actuation per actuator, which means the actuators with an actuation of less than the assigned amount are assumed to be passive; thus, they are excluded. In this study, the deformed shape of a numerical model of a single-layer dome is reshaped. At the same time, the minimum limit is assumed to vary between 0.1mm and 1 mm to investigate how the outcomes are affected. The results show that changes in the minimum allowable actuation significantly affect the number of necessary actuators and the final form of the structure in terms of nodal displacements and stresses. The study suggests using the limit of 0.7 mm, which provides the optimum number of actuators while the nodal displacements are controlled.
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