Abstract A design methodology is proposed for deployable tube flexures made of ultra-thin carbon fiber composite. The methodology is developed to achieve desired stowage and deployment performance in the absence of material failure. The cut-out shape in the tube flexure is determined by means of a Bayesian optimization technique. The objective function is defined based on both desired moment characteristics and Hashin failure criteria. Multiple cut-out parameterization schemes are presented. Bayesian optimization is shown to be effective and significant performance improvements are achieved thought use of spline-based optimization in comparison to more conventional forms. The efficiency of the approach is validated via experiment.
Highlights Novel parameterization of cut outs enables optimal tube flexure performance. Bayesian optimization allows flexures to be optimized in a highly nonlinear design space. Significant improvements in locking moment are achieved using this approach.
Optimal design of tube flexure cut-out geometries for deployment performance
Acta Astronautica ; 197 ; 35-45
2022-04-28
11 pages
Article (Journal)
Electronic Resource
English
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